cli_test.v

1module tests23import net4import net.http5import os6import time7import src.exchange8import src.storage910const root = @VMODROOT11const binary = os.join_path(root, 'build', 'koh3')1213struct Result {14mut:15	code int16	out  string17	err  string18}1920fn testsuite_begin() {21	os.mkdir_all(os.join_path(root, 'build')) or { panic(err) }22	build := os.execute('v -o ${q(binary)} ${q(os.join_path(root, 'src', 'koh.v'))}')23	if build.exit_code != 0 {24		panic('could not build koh3: ${build.output}')25	}26}2728fn q(s string) string {29	return "'${s.replace("'", "'\\''")}'"30}3132fn temp_repo(name string) string {33	dir := os.join_path(os.temp_dir(), 'koh3-cli-${name}-${time.now().unix_nano()}')34	os.mkdir_all(dir) or { panic(err) }35	return dir36}3738fn run(repo string, args ...string) Result {39	home := temp_repo('home')40	defer { os.rmdir_all(home) or {} }41	return run_home(repo, home, ...args)42}4344fn run_home(repo string, home string, args ...string) Result {45	stamp := '${os.getpid()}-${time.now().unix_nano()}'46	base := os.join_path(os.temp_dir(), 'koh3-cli-${stamp}')47	out_path := '${base}.out'48	err_path := '${base}.err'49	code_path := '${base}.code'50	mut command := 'HOME=${q(home)} ${q(binary)}'51	for arg in args {52		command += ' ${q(arg)}'53	}54	shell := 'cd ${q(repo)} && ${command} </dev/null >${q(out_path)} 2>${q(err_path)}; printf "%s" \$? >${q(code_path)}'55	result := os.execute(shell)56	if result.exit_code != 0 {57		panic('could not run test command: ${result.output}')58	}59	code := os.read_file(code_path) or { panic(err) }60	out := os.read_file(out_path) or { '' }61	err := os.read_file(err_path) or { '' }62	os.rm(out_path) or {}63	os.rm(err_path) or {}64	os.rm(code_path) or {}65	return Result{66		code: code.int()67		out:  out68		err:  err69	}70}7172// shown is what a terminal leaves on screen: on each line, only what follows its73// last carriage return, so a progress line cleared in place does not count.74fn shown(out string) []string {75	return out.split('\n').map(it.trim_right('\r').all_after_last('\r')).filter(it.trim_space() != '')76}7778fn run_pty_home(repo string, home string, answers []string, args ...string) Result {79	stamp := '${os.getpid()}-${time.now().unix_nano()}'80	transcript := os.join_path(os.temp_dir(), 'koh3-pty-${stamp}.txt')81	script_path := os.join_path(os.temp_dir(), 'koh3-pty-${stamp}.exp')82	defer {83		os.rm(transcript) or {}84		os.rm(script_path) or {}85	}86	mut script := 'log_file -noappend {${transcript}}\nset timeout 20\nspawn -noecho env {HOME=${home}} NO_COLOR=1 {${binary}}'87	for arg in args {88		script += ' {${arg}}'89	}90	script += '\n'91	// Each answer waits for its prompt: typed ahead, it would be flushed when the pager takes the92	// terminal raw. `close` ends a run that is still asking, so `wait` can never hang the suite.93	for answer in answers {94		script += 'expect -re {› \$|message: \$|confirm: \$|\\[y/N\\] \$|q quit}\nsend -- "${answer}\\r"\n'95	}96	script += 'expect eof\ncatch close\nset status [wait]\nexit [lindex $status 3]\n'97	os.write_file(script_path, script) or { panic(err) }98	result := os.execute('cd ${q(repo)} && expect -f ${q(script_path)}')99	return Result{100		code: result.exit_code101		out:  os.read_file(transcript) or { '' }102		err:  result.output103	}104}105106fn init_repo(repo string) {107	r := run(repo, 'init')108	assert r.code == 0109	assert os.exists(os.join_path(repo, '.koh'))110	assert os.exists(os.join_path(repo, '.kohignore'))111}112113fn write(repo string, path string, text string) {114	full := os.join_path(repo, path)115	os.mkdir_all(os.dir(full)) or { panic(err) }116	os.write_file(full, text) or { panic(err) }117}118119fn read_json_has(text string, key string) {120	if !text.contains(key) {121		panic('missing JSON key ${key}: ${text}')122	}123}124125fn test_init_and_usage() {126	dir := temp_repo('init')127	defer { os.rmdir_all(dir) or {} }128	r := run(dir, 'init', '--json')129	assert r.code == 0130	read_json_has(r.out, 'repo')131	read_json_has(r.out, 'ignore_created')132	assert run(dir, 'init').code == 1133	assert run(dir, 'unknown-command').code == 2134	assert run(dir, 'unknown-command').err.contains('unknown command')135	// An agent asking for JSON gets JSON for a usage mistake too, exit 2.136	for args in [['unknown-command', '--json'], ['save', '--json'], ['save', 'x', '--nope', '--json']] {137		r2 := run(dir, ...args)138		assert r2.code == 2139		assert r2.out == ''140		assert r2.err.starts_with('{"error":'), r2.err141	}142}143144// The help screen is commands and plain words: every flag lives in `koh man`.145// this_platform is the platform name for the machine the tests run on, so a146// build test does not depend on which machine that is.147fn this_platform() string {148	machine := os.uname().machine149	arch := if machine in ['arm64', 'aarch64'] { 'aarch64' } else { 'x86_64' }150	return '${os.user_os()}-${arch}'151}152153// `koh build` builds with `koh.build`: the version and platform fill the output154// path, and each artifact is printed with its size.155fn test_build_builds_the_named_platforms() {156	dir := temp_repo('build_ok')157	defer { os.rmdir_all(dir) or {} }158	init_repo(dir)159	host := this_platform()160	write(dir, 'VERSION', '1.2.3\n')161	write(dir, 'koh.build', 'command = mkdir -p out && printf built > out/demo-1.2.3-${host}162output = out/demo-{version}-{platform}163platforms = ${host}164')165	one := run(dir, 'build')166	assert one.code == 0, one.err167	assert one.out.contains('version 1.2.3')168	assert one.out.contains('out/demo-1.2.3-${host}')169	assert os.exists(os.join_path(dir, 'out/demo-1.2.3-${host}'))170171	// --platform picks one, --all takes every platform the file names.172	write(dir, 'koh.build', 'command = mkdir -p out && printf m > out/demo-macos-aarch64 && printf l > out/demo-linux-aarch64173output = out/demo-{platform}174platforms = macos-aarch64, linux-aarch64175')176	all := run(dir, 'build', '--all', '--json')177	assert all.code == 0, all.err178	assert all.out.contains('"platform":"macos-aarch64"')179	assert all.out.contains('"platform":"linux-aarch64"')180	assert os.exists(os.join_path(dir, 'out/demo-linux-aarch64'))181	picked := run(dir, 'build', '--platform', 'linux-aarch64')182	assert picked.code == 0, picked.err183	assert picked.out.contains('out/demo-linux-aarch64')184	assert !picked.out.contains('out/demo-macos-aarch64')185}186187// The item's exit check, as a test: `koh build` builds Koh 3 itself with the188// real toolchain, in a copy, and the binary it produces runs.189// `koh update` refuses a command line that cannot be answered: JSON cannot carry190// the question, and a stray argument is a mistake. Both are settled before any191// source is read, so no network is needed here.192fn test_update_refuses_a_command_line_it_cannot_answer() {193	dir := temp_repo('update_args')194	defer { os.rmdir_all(dir) or {} }195	init_repo(dir)196	json_without_yes := run(dir, 'update', '--json')197	assert json_without_yes.code == 2198	assert json_without_yes.err.contains('needs --yes')199	assert run(dir, 'update', 'extra').code == 2200}201202fn test_build_builds_koh_itself() {203	dir := temp_repo('selfbuild')204	defer { os.rmdir_all(dir) or {} }205	// Only what a build reads: the copy needs no history and no archive.206	for item in ['src', 'vendor', 'docs', 'v.mod', 'VERSION'] {207		os.cp_all(os.join_path(root, item), os.join_path(dir, item), true) or { panic(err) }208	}209	write(dir, 'koh.build', 'command = mkdir -p zig-out/bin && v -o zig-out/bin/koh3 src/koh.v210output = zig-out/bin/koh3211platforms = ${this_platform()}212')213	init_repo(dir)214	built := run(dir, 'build')215	assert built.code == 0, built.err216	assert built.out.contains('zig-out/bin/koh3')217	fresh := os.join_path(dir, 'zig-out/bin/koh3')218	assert os.exists(fresh)219	version := os.read_file(os.join_path(dir, 'VERSION'))!.trim_space()220	assert os.execute('${q(fresh)} --version').output.trim_space() == 'koh ${version}'221}222223fn test_build_refuses_what_it_cannot_do() {224	dir := temp_repo('build_bad')225	defer { os.rmdir_all(dir) or {} }226	init_repo(dir)227	missing := run(dir, 'build')228	assert missing.code == 1229	assert missing.err.contains('koh.build')230231	write(dir, 'koh.build', 'command = true232output = out/demo233platforms = macos-aarch64234')235	no_version := run(dir, 'build')236	assert no_version.code == 1237	assert no_version.err.contains('VERSION')238239	write(dir, 'VERSION', '1.2.3\n')240	not_listed := run(dir, 'build', '--platform', 'linux-aarch64')241	assert not_listed.code == 1242	assert not_listed.err.contains('does not build for')243244	unknown := run(dir, 'build', '--platform', 'amiga')245	assert unknown.code == 1246	assert unknown.err.contains('amiga')247248	both := run(dir, 'build', '--all', '--platform', 'macos-aarch64')249	assert both.code == 2250	assert both.err.contains('cannot be combined')251252	write(dir, 'koh.build', 'command = true253output = out/demo254platforms = macos-aarch64, amiga255')256	bad_platform := run(dir, 'build')257	assert bad_platform.code == 1258	assert bad_platform.err.contains('amiga')259260	write(dir, 'koh.build', 'command = sh -c \'echo "no toolchain" >&2; exit 1\'261output = out/demo262platforms = ${this_platform()}263')264	failed := run(dir, 'build')265	assert failed.code == 1266	assert failed.err.contains('no toolchain')267}268269fn test_the_help_screen_lists_commands_and_no_flags() {270	dir := temp_repo('help')271	defer { os.rmdir_all(dir) or {} }272	help := run(dir, '--help')273	assert help.code == 0274	names := ['save', 'checkpoint', 'status', 'view', 'diff', 'undo', 'revert', 'load', 'offer',275		'steal']276	for name in names {277		assert help.out.contains('  ${name} '), name278	}279	assert help.out.contains('koh man <command>')280	assert help.out.contains('  status      where things stand\n')281	assert help.out.contains('  diff        what changed\n')282	assert help.out.contains('Asha Software · asha.software')283	// No flag text anywhere on the screen.284	assert !help.out.contains('--'), help.out285	lines := help.out.split_into_lines()286	for line in lines {287		assert line.runes().len <= 80, line288	}289	// Each command has its own paragraph, a blank line above it.290	for name in names {291		for i, line in lines {292			if line.starts_with('  ${name} ') {293				assert i > 0 && lines[i - 1] == '', line294			}295		}296	}297	// A bare `koh` keeps its stream and exit code; `-h` shows the same screen.298	bare := run(dir)299	assert bare.code == 2300	assert bare.out == ''301	assert bare.err.contains('koh man <command>')302	short := run(dir, '-h')303	assert short.code == 0304	assert short.out == help.out305}306307// Colour on the screen follows NO_COLOR, as it does everywhere else.308fn test_the_help_screen_has_no_colour_when_it_is_off() {309	dir := temp_repo('help_plain')310	defer { os.rmdir_all(dir) or {} }311	home := temp_repo('help_plain_home')312	defer { os.rmdir_all(home) or {} }313	out_path := os.join_path(os.temp_dir(), 'koh3-help-${os.getpid()}-${time.now().unix_nano()}')314	defer { os.rm(out_path) or {} }315	code := os.system('cd ${q(dir)} && HOME=${q(home)} NO_COLOR=1 ${q(binary)} --help > ${q(out_path)}')316	assert code == 0317	text := os.read_file(out_path) or { panic(err) }318	assert !text.contains('\x1b'), text319	assert text.contains('  save        snapshot your work')320}321322// The binary embeds VERSION while saves bump v.mod; they drifted once.323fn test_version_matches_the_manifest() {324	dir := temp_repo('version')325	defer { os.rmdir_all(dir) or {} }326	version := run(dir, '--version').out.trim_space().all_after('koh ')327	manifest := os.read_file(os.join_path(root, 'v.mod')) or { panic(err) }328	assert manifest.contains("version: '${version}'"), version329}330331fn test_save_checkpoint_and_status() {332	dir := temp_repo('save')333	defer { os.rmdir_all(dir) or {} }334	init_repo(dir)335	write(dir, 'tracked.txt', 'one\n')336	r := run(dir, 'save', 'first message', '--agent', 'agent-7', '--session', 'session-a', '--json')337	assert r.code == 0338	for key in ['id', 'parent', 'message', 'created_at', 'machine', 'is_checkpoint', 'agent', 'session',339		'files', 'size_bytes'] {340		read_json_has(r.out, key)341	}342	assert r.out.contains('"message":"first message"')343	assert r.out.contains('"agent":"agent-7"')344	assert r.out.contains('"session":"session-a"')345	assert r.out.contains('"is_checkpoint":false')346	assert run(dir, 'save', 'again').code == 1347	assert run(dir, 'save', 'again').err.contains('nothing has changed since the last save')348	assert run(dir, 'save').code == 2349	assert run(dir, 'save', 'x', '--bogus').code == 2350	cp := run(dir, 'checkpoint', 'still first', '--json')351	assert cp.code == 0352	assert cp.out.contains('"is_checkpoint":true')353	assert cp.out.contains('"parent":')354	clean := run(dir, 'status')355	assert clean.code == 0356	assert clean.out.contains('no changes')357	write(dir, 'tracked.txt', 'two\n')358	write(dir, 'new.txt', 'new\n')359	os.rm(os.join_path(dir, 'tracked.txt')) or { panic(err) }360	write(dir, '.kohignore', '*.log\n')361	status := run(dir, 'status')362	assert status.code == 0363	assert status.out.contains('+')364	assert status.out.contains('~') || status.out.contains('-')365	assert status.out.contains('added')366	js := run(dir, 'status', '--json')367	assert js.code == 0368	for key in ['head_id', 'head_msg', 'dirty', 'modified', 'added', 'deleted', 'ignore_changed',369		'saves', 'size_bytes', 'head_flagged'] {370		read_json_has(js.out, key)371	}372	assert js.out.contains('"ignore_changed":true')373	// What the shell prompt shows: saves on the line, the .koh size, the flag.374	assert js.out.contains('"saves":2')375	assert js.out.contains('"size_bytes":${os.file_size(os.join_path(dir, '.koh'))}')376	assert js.out.contains('"head_flagged":false')377	head := js.out.all_after('"head_id":"').all_before('"')378	assert run(dir, 'flag', head, '--reason', 'bad').code == 0379	assert run(dir, 'status', '--json').out.contains('"head_flagged":true')380}381382fn test_status_requires_repo_and_ignore_rules() {383	dir := temp_repo('status')384	defer { os.rmdir_all(dir) or {} }385	assert run(dir, 'status').code == 1386	init_repo(dir)387	write(dir, '.kohignore', '*.log\nbuild/\n')388	write(dir, 'keep.txt', 'keep\n')389	write(dir, 'ignored.log', 'ignore\n')390	write(dir, 'build/output.txt', 'ignore\n')391	saved := run(dir, 'save', 'keep', '--json')392	assert saved.code == 0393	id := saved.out.all_after('"id":"')[..12]394	// Where things stand comes first, clean or not.395	clean := run(dir, 'status').out396	assert clean.contains('at [${id}] keep · '), clean397	assert clean.contains(' · 1 save\n'), clean398	assert clean.contains('no changes')399	write(dir, 'keep.txt', 'changed\n')400	assert run(dir, 'status').out.contains('at [${id}] keep · ')401	write(dir, 'keep.txt', 'keep\n')402	assert !run(dir, 'status').out.contains('ignored.log')403	assert !run(dir, 'status').out.contains('build/output.txt')404	assert !run(dir, 'status').out.contains('LOG.md')405}406407fn test_status_and_save_report_unsafe_names_without_refusing_the_save() {408	dir := temp_repo('unsafe-names')409	defer { os.rmdir_all(dir) or {} }410	init_repo(dir)411	write(dir, 'safe.txt', 'safe\n')412	assert run(dir, 'save', 'safe').code == 0413	os.write_file('${dir}/bad\\name.txt', 'bad\n') or { panic(err) }414	os.write_file('${dir}/Icon\r', 'icon\n') or { panic(err) }415416	status := run(dir, 'status', '--json')417	assert status.code == 0418	assert status.out.contains('"unsafe_paths":["Icon\\\\x0d","bad\\\\\\\\name.txt"]'), status.out419	saved := run(dir, 'checkpoint', 'unsafe names', '--json')420	assert saved.code == 0421	assert saved.out.contains('"unsafe_paths":["Icon\\\\x0d","bad\\\\\\\\name.txt"]'), saved.out422}423424// LOG.md is a convenience written after the save lands. If it cannot be425// written, the save still happened, and an agent that retried on a failure426// would only be told nothing had changed.427fn test_a_save_succeeds_when_log_md_cannot_be_written() {428	dir := temp_repo('logmd')429	defer { os.rmdir_all(dir) or {} }430	init_repo(dir)431	os.mkdir_all(os.join_path(dir, 'LOG.md')) or { panic(err) }432	write(dir, 'a.txt', 'one\n')433	r := run(dir, 'save', 'first', '--json')434	assert r.code == 0435	assert r.out.starts_with('{')436	assert r.err.contains('LOG.md')437	assert run(dir, 'view', '--json').out.contains('"message":"first"')438}439440// A folder of ignored files can sit where a restored file should go. Koh441// never touches ignored files, so the restore must stop and say so, not drop442// the file inside the folder under a temporary name.443fn test_a_restore_refuses_a_folder_of_ignored_files_in_the_way() {444	dir := temp_repo('dir-in-way')445	defer { os.rmdir_all(dir) or {} }446	init_repo(dir)447	write(dir, 'out', 'a file\n')448	first := run(dir, 'save', 'out is a file', '--json').out.all_after('"id":"')[..12]449	os.rm(os.join_path(dir, 'out')) or { panic(err) }450	write(dir, 'out/build.log', 'ignored\n')451	assert run(dir, 'save', 'out is gone').code == 0452	r := run(dir, 'load', first, '--yes')453	assert r.code == 1454	assert r.err.contains('out')455	assert os.ls(os.join_path(dir, 'out'))! == ['build.log']456}457458// Koh never follows a symlink, so a folder replaced by a link to somewhere459// else is not the repo's to write into: restoring through it would overwrite460// files outside the repo. The refusal comes before anything is recorded.461fn test_a_restore_never_writes_through_a_symlinked_folder() {462	dir := temp_repo('link-in-way')463	outside := temp_repo('link-target')464	defer {465		os.rmdir_all(dir) or {}466		os.rmdir_all(outside) or {}467	}468	init_repo(dir)469	write(dir, 'docs/a.md', 'saved\n')470	first := run(dir, 'save', 'docs', '--json').out.all_after('"id":"')[..12]471	os.rmdir_all(os.join_path(dir, 'docs')) or { panic(err) }472	write(outside, 'a.md', 'precious\n')473	os.symlink(outside, os.join_path(dir, 'docs')) or { panic(err) }474	assert run(dir, 'save', 'docs is a link now').code == 0475	head := run(dir, 'status', '--json').out476	r := run(dir, 'load', first, '--yes')477	assert r.code == 1478	assert r.err.contains('docs')479	assert os.read_file(os.join_path(outside, 'a.md'))! == 'precious\n'480	assert run(dir, 'status', '--json').out == head481}482483// A restore records its save first, then writes files. When the writing stops484// part way, the half-written tree is not somebody's work: saving it would485// record (and offer) a tree that undoes changes nobody asked to undo. Every486// command that would build on it points at revert, which finishes the job.487fn test_a_restore_cut_short_points_at_revert() {488	dir := temp_repo('cut-short')489	defer {490		os.chmod(os.join_path(dir, 'zz'), 0o755) or {}491		os.rmdir_all(dir) or {}492	}493	init_repo(dir)494	write(dir, 'zero', '0\n')495	assert run(dir, 'save', 'zero').code == 0496	write(dir, 'a.txt', 'v1\n')497	write(dir, 'zz/f', 'v1\n')498	assert run(dir, 'save', 'first').code == 0499	write(dir, 'a.txt', 'v2\n')500	write(dir, 'zz/f', 'v2\n')501	assert run(dir, 'save', 'second').code == 0502	// a.txt is written, then the read-only folder stops the restore: the503	// tree is genuinely half one save and half the other.504	os.chmod(os.join_path(dir, 'zz'), 0o555)!505	stopped := run(dir, 'undo', '--yes')506	assert stopped.code == 1507	assert stopped.err.contains('koh revert')508	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'v1\n'509	assert os.read_file(os.join_path(dir, 'zz/f'))! == 'v2\n'510	// Even a status that cannot read the tree says what happened.511	os.chmod(os.join_path(dir, 'zz'), 0o000)!512	assert run(dir, 'status').err.contains('koh revert')513	os.chmod(os.join_path(dir, 'zz'), 0o755)!514515	assert run(dir, 'status', '--json').out.contains('"restore_unfinished":true')516	for args in [['save', 'half'], ['checkpoint', 'half'], ['undo', '--yes']] {517		r := run(dir, ...args)518		assert r.code == 1519		assert r.err.contains('koh revert')520	}521	assert run(dir, 'revert', '--yes').code == 0522	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'v1\n'523	assert os.read_file(os.join_path(dir, 'zz/f'))! == 'v1\n'524	assert run(dir, 'status', '--json').out.contains('"restore_unfinished":false')525	write(dir, 'a.txt', 'v3\n')526	assert run(dir, 'save', 'carry on').code == 0527}528529// Doctor clears peek folders left from earlier days, never one somebody may530// be reading right now.531fn test_doctor_sweeps_only_old_peek_folders() {532	dir := temp_repo('peek-sweep')533	// V's temp_dir is /tmp on macOS whatever TMPDIR says, so these live in534	// the real temp directory under names no save could have.535	fresh := os.join_path(os.temp_dir(), 'koh-peek-fresh${os.getpid()}')536	old := os.join_path(os.temp_dir(), 'koh-peek-old${os.getpid()}')537	linked := os.join_path(os.temp_dir(), 'koh-peek-link${os.getpid()}')538	target := temp_repo('peek-link-target')539	defer {540		os.rmdir_all(dir) or {}541		os.rmdir_all(fresh) or {}542		os.rmdir_all(old) or {}543		os.rm(linked) or {}544		os.rmdir_all(target) or {}545	}546	init_repo(dir)547	write(dir, 'a.txt', 'one\n')548	assert run(dir, 'save', 'one').code == 0549	os.mkdir_all(fresh) or { panic(err) }550	os.mkdir_all(old) or { panic(err) }551	two_days_ago := time.now().unix() - 2 * 86400552	os.utime(old, two_days_ago, two_days_ago) or { panic(err) }553	write(target, 'keep.txt', 'keep')554	os.utime(target, two_days_ago, two_days_ago) or { panic(err) }555	os.symlink(target, linked) or { panic(err) }556	assert run(dir, 'doctor', '--json').code == 0557	assert os.exists(old)558	assert run(dir, 'doctor', '--json', '--yes').code == 0559	assert os.exists(fresh)560	assert !os.exists(old)561	assert os.is_link(linked)562	assert os.read_file(os.join_path(target, 'keep.txt'))! == 'keep'563}564565// A file saved long ago and ignored since holds work no save has. Loading the566// old save must not write over it; the document says a restore never touches567// ignored files.568fn test_a_restore_never_overwrites_an_ignored_file() {569	dir := temp_repo('ignored-restore')570	defer { os.rmdir_all(dir) or {} }571	init_repo(dir)572	write(dir, '.env', 'KEY=saved long ago\n')573	first := run(dir, 'save', 'with env', '--json').out.all_after('"id":"')[..12]574	write(dir, '.kohignore', '.env\n')575	assert run(dir, 'save', 'ignore env').code == 0576	write(dir, '.env', 'KEY=never saved\n')577	assert run(dir, 'load', first, '--yes').code == 0578	assert os.read_file(os.join_path(dir, '.env'))! == 'KEY=never saved\n'579580	// Where the ignored file is missing, the restore still brings it back.581	other := temp_repo('ignored-restore-missing')582	defer { os.rmdir_all(other) or {} }583	init_repo(other)584	write(other, '.env', 'KEY=saved long ago\n')585	again := run(other, 'save', 'with env', '--json').out.all_after('"id":"')[..12]586	write(other, '.kohignore', '.env\n')587	assert run(other, 'save', 'ignore env').code == 0588	os.rm(os.join_path(other, '.env')) or { panic(err) }589	assert run(other, 'load', again, '--yes').code == 0590	assert os.read_file(os.join_path(other, '.env'))! == 'KEY=saved long ago\n'591}592593// A going-back preview lists paths only. Running diff(1) per file to draw it594// cost 27 s for 5,000 changed files, so it must not run diff at all.595fn test_a_going_back_preview_does_not_run_diff() {596	dir := temp_repo('preview-nodiff')597	home := temp_repo('preview-nodiff-home')598	defer {599		os.rmdir_all(dir) or {}600		os.rmdir_all(home) or {}601	}602	init_repo(dir)603	write(dir, 'a.txt', 'one\n')604	assert run_home(dir, home, 'save', 'one').code == 0605	write(dir, 'a.txt', 'two\n')606	assert run_home(dir, home, 'save', 'two').code == 0607	fake := os.join_path(home, 'bin')608	os.mkdir_all(fake) or { panic(err) }609	marker := os.join_path(home, 'diff-ran')610	os.write_file(os.join_path(fake, 'diff'), '#!/bin/sh\ntouch ${q(marker)}\nexit 2\n') or {611		panic(err)612	}613	os.chmod(os.join_path(fake, 'diff'), 0o755) or { panic(err) }614	assert run_home_with_path(dir, home, fake, 'undo', '--yes').code == 0615	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'one\n'616	assert !os.exists(marker)617}618619// A restore rewrites only what differs. Rewriting every file resets every620// mtime, so the next status has to hash the whole tree again.621fn test_a_restore_leaves_unchanged_files_alone() {622	dir := temp_repo('restore-skip')623	defer { os.rmdir_all(dir) or {} }624	init_repo(dir)625	write(dir, 'a.txt', 'one\n')626	write(dir, 'same.txt', 'never changes\n')627	assert run(dir, 'save', 'one').code == 0628	write(dir, 'a.txt', 'two\n')629	assert run(dir, 'save', 'two').code == 0630	long_ago := i64(1700000000)631	os.utime(os.join_path(dir, 'same.txt'), long_ago, long_ago) or { panic(err) }632	assert run(dir, 'undo', '--yes').code == 0633	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'one\n'634	assert os.file_last_mod_unix(os.join_path(dir, 'same.txt')) == long_ago635}636637// `save` records the executable bit, so `status` has to see it too, or a638// chmod would be invisible until it turned up in a save.639fn test_status_sees_an_executable_bit_change() {640	dir := temp_repo('chmod')641	defer { os.rmdir_all(dir) or {} }642	init_repo(dir)643	write(dir, 'run.sh', 'echo hi\n')644	assert run(dir, 'save', 'script').code == 0645	os.chmod(os.join_path(dir, 'run.sh'), 0o755) or { panic(err) }646	status := run(dir, 'status', '--json')647	assert status.out.contains('"dirty":true')648	assert status.out.contains('"modified":["run.sh"]')649}650651fn test_view_and_diff() {652	dir := temp_repo('history')653	defer { os.rmdir_all(dir) or {} }654	init_repo(dir)655	write(dir, 'a.txt', 'one\n')656	first := run(dir, 'save', 'one', '--session', 'alpha', '--json')657	id1 := first.out.all_after('"id":"')[..12]658	write(dir, 'a.txt', 'two\n')659	second := run(dir, 'save', 'two', '--session', 'beta', '--json')660	id2 := second.out.all_after('"id":"')[..12]661	cp := run(dir, 'checkpoint', 'checkpoint', '--json')662	assert cp.code == 0663	printed := run(dir, 'view')664	assert printed.code == 0665	assert printed.out.contains('▸')666	assert printed.out.contains('◐')667	lj := run(dir, 'view', '--json')668	assert lj.code == 0669	assert lj.out.contains('"head_id"')670	assert lj.out.contains('"saves"')671	assert run(dir, 'view', '--since', 'today').out.contains('two')672	session := run(dir, 'view', '--session', 'alpha')673	assert session.out.contains('one')674	assert !session.out.contains('two')675	assert run(dir, 'view', '--since', '9999-01-01').out.contains('no saves in that range')676	write(dir, 'a.txt', 'three\n')677	d := run(dir, 'diff')678	assert d.code == 0679	assert d.out.contains('--- a/')680	assert d.out.contains('+++ b/')681	assert run(dir, 'diff', id1).code == 0682	assert run(dir, 'diff', id1, id2).code == 0683	dj := run(dir, 'diff', '--json')684	assert dj.code == 0685	assert dj.out.contains('"from"')686	assert dj.out.contains('"to"')687	assert dj.out.contains('"files"')688	assert dj.out.contains('"change":"modified"')689	assert run(dir, 'diff', 'not-a-real-id').code == 1690	assert run(dir, 'diff', id1, id2, 'third').code == 1691	write(dir, 'blob.bin', '\x00\x01\x02')692	diff_binary := run(dir, 'diff', '--json')693	assert diff_binary.out.contains('"binary":true')694	assert diff_binary.out.contains('Binary files differ')695}696697fn test_undo_revert_and_load() {698	dir := temp_repo('restore')699	defer { os.rmdir_all(dir) or {} }700	init_repo(dir)701	write(dir, 'a.txt', 'one\n')702	one := run(dir, 'save', 'one', '--json').out703	id1 := one.all_after('"id":"')[..12]704	write(dir, 'a.txt', 'two\n')705	write(dir, 'gone.txt', 'gone\n')706	second := run(dir, 'save', 'two', '--json').out707	id2 := second.all_after('"id":"')[..12]708	write(dir, 'a.txt', 'three\n')709	third := run(dir, 'save', 'three', '--json').out710	id3 := third.all_after('"id":"')[..12]711	// Unsaved work — here a file never saved — blocks every going-back but712	// revert, as in Koh 2: a restore must never overwrite what only the disk has.713	write(dir, 'never.txt', 'keep me\n')714	view_before := run(dir, 'view').out715	for args in [['undo', '--yes'], ['load', id1, '--yes'], ['pluck', id2, '--yes']] {716		blocked := run(dir, ...args)717		assert blocked.code == 1718		assert blocked.err.contains('unsaved changes')719	}720	assert run(dir, 'view').out == view_before721	os.rm(os.join_path(dir, 'never.txt')) or { panic(err) }722	write(dir, 'a.txt', 'edited, never saved\n')723	assert run(dir, 'undo', '--yes').err.contains('unsaved changes')724	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'edited, never saved\n'725	write(dir, 'a.txt', 'three\n')726	os.rm(os.join_path(dir, 'gone.txt')) or { panic(err) }727	assert run(dir, 'load', id1, '--yes').err.contains('unsaved changes')728	write(dir, 'gone.txt', 'gone\n')729	undo := run(dir, 'undo', '--yes', '--json')730	assert undo.code == 0731	if !undo.out.contains(id2) {732		panic('undo JSON did not name ${id2}: ${undo.out}')733	}734	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'two\n'735	assert os.exists(os.join_path(dir, 'gone.txt'))736	assert run(dir, 'load', id3, '--yes').code == 0737	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'three\n'738	assert run(dir, 'undo', '2', '--yes').code == 0739	assert run(dir, 'load', id2, '--yes').code == 0740	assert run(dir, 'undo', '99', '--yes').err.contains('nothing before')741	write(dir, 'a.txt', 'dirty\n')742	before := run(dir, 'view')743	refuse := run(dir, 'revert')744	assert refuse.code == 1745	assert refuse.err.contains('needs --yes when not interactive')746	assert run(dir, 'view').out == before.out747	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'dirty\n'748	write(dir, 'untracked.txt', 'remove\n')749	rv := run(dir, 'revert', '--yes', '--json')750	assert rv.code == 0751	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'two\n'752	assert !os.exists(os.join_path(dir, 'untracked.txt'))753	// The way back to the discarded work is named, not left to be found.754	kept := rv.out.all_after('"checkpoint":"')[..12]755	assert run(dir, 'load', kept, '--yes').code == 0756	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'dirty\n'757	assert os.read_file(os.join_path(dir, 'untracked.txt'))! == 'remove\n'758	write(dir, 'a.txt', 'dirty again\n')759	assert run(dir, 'revert', '--yes').out.contains('koh load ')760	assert run(dir, 'revert', '--yes').out.contains('working tree already matches')761	assert run(dir, 'load', '--checkpoint', '--yes').code == 0762	assert run(dir, 'load', id2, '--json').code == 1763	assert run(dir, 'load', id2, '--json').err.contains('error')764	assert run(dir, 'load').code == 2765	assert run(dir, 'load', 'unknown-id', '--yes').code == 1766}767768fn test_flag_and_flagged_view() {769	dir := temp_repo('flag')770	defer { os.rmdir_all(dir) or {} }771	init_repo(dir)772	write(dir, 'flag.txt', 'one\n')773	saved := run(dir, 'save', 'flag me', '--json')774	id := saved.out.all_after('"id":"')[..12]775	flagged := run(dir, 'flag', id, '--reason', 'unsafe', '--json')776	assert flagged.code == 0777	assert flagged.out.contains('"flagged":true')778	assert flagged.out.contains('"reason":"unsafe"')779	list := run(dir, 'flag', '--json')780	assert list.code == 0781	assert list.out.contains(id)782	assert list.out.contains('unsafe')783	assert run(dir, 'view').out.contains('⚑')784	assert run(dir, 'flag', '--clear', id).code == 0785	assert run(dir, 'flag').out.contains('nothing is flagged')786	assert run(dir, 'flag', 'unknown-id').code == 1787	assert run(dir, 'flag').code == 0788}789790fn test_pluck_forward_reverse_dry_run_and_conflict() {791	dir := temp_repo('pluck')792	defer { os.rmdir_all(dir) or {} }793	init_repo(dir)794	write(dir, 'a.txt', 'one\n')795	first := run(dir, 'save', 'one', '--json').out796	id1 := first.all_after('"id":"')[..12]797	write(dir, 'a.txt', 'two\n')798	second := run(dir, 'save', 'two', '--json').out799	id2 := second.all_after('"id":"')[..12]800	assert run(dir, 'load', id1, '--yes').code == 0801	dry := run(dir, 'pluck', id2, '--dry-run')802	assert dry.code == 0803	assert dry.out.contains('a.txt')804	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'one\n'805	assert run(dir, 'pluck', id2, '--yes').code == 0806	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'two\n'807	assert run(dir, 'pluck', '--reverse', id2, '--yes').code == 0808	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'one\n'809	write(dir, 'a.txt', 'different\n')810	assert run(dir, 'pluck', id2, '--dry-run').code == 1811	assert run(dir, 'save', 'different').code == 0812	conflict := run(dir, 'pluck', id2, '--yes')813	assert conflict.code == 1814	assert conflict.err.contains('a.txt')815	assert run(dir, 'pluck').code == 2816	assert run(dir, 'pluck', 'unknown-id').code == 1817}818819fn test_peek_and_doctor() {820	dir := temp_repo('peek-doctor')821	defer { os.rmdir_all(dir) or {} }822	init_repo(dir)823	write(dir, 'peek.txt', 'peek me\n')824	assert run(dir, 'save', 'peekable').code == 0825	id := run(dir, 'view', '--json').out.all_after('"id":"')[..12]826	before_view := run(dir, 'view', '--json').out827	peek := run(dir, 'peek', id, '--json')828	assert peek.code == 0829	peek_path := peek.out.all_after('"path":"').before('"')830	assert peek.out.contains('"id":"${id}"')831	assert os.read_file(os.join_path(peek_path, 'peek.txt'))! == 'peek me\n'832	assert run(dir, 'status').out.contains('no changes')833	assert run(dir, 'view', '--json').out == before_view834	assert run(dir, 'peek').code == 2835	assert run(dir, 'peek', 'unknown-id').code == 1836	backup := os.join_path(dir, 'doctor.backup')837	healthy := run(dir, 'doctor')838	assert healthy.code == 0839	assert healthy.out.contains('is healthy')840	report := run(dir, 'doctor', '--json')841	assert report.code == 0842	for key in ['problems', 'objects', 'saves', 'checkpoints', 'cached_files', 'peek_folders_removed',843		'backup'] {844		read_json_has(report.out, key)845	}846	backed := run(dir, 'doctor', '--backup', backup)847	assert backed.code == 0848	assert os.exists(backup)849	assert backed.out.contains(backup)850	assert run(dir, 'doctor', '--backup', backup).code == 1851	assert run(dir, 'peek', id, '--json').code == 0852	// A peek made today is left for whoever is reading it.853	kept := run(dir, 'doctor', '--json')854	assert kept.code == 0855	assert os.exists(peek_path)856	os.rmdir_all(peek_path) or {}857}858859fn test_strip_refuses_without_terminal() {860	dir := temp_repo('strip')861	defer { os.rmdir_all(dir) or {} }862	init_repo(dir)863	write(dir, 'secret.txt', 'keep\n')864	assert run(dir, 'save', 'secret').code == 0865	before_view := run(dir, 'view', '--json').out866	refused := run(dir, 'strip', 'secret.txt')867	assert refused.code == 1868	assert refused.err.contains('needs a terminal')869	assert run(dir, 'view', '--json').out == before_view870	assert os.read_file(os.join_path(dir, 'secret.txt'))! == 'keep\n'871	assert run(dir, 'view', '--json').out.contains('secret')872}873874// A whole-history strip bans the path: `.kohignore` names it, once, and the file left on disk875// is never unsaved work or part of a save again.876fn test_strip_adds_the_path_to_kohignore_and_it_stays_out() {877	dir := temp_repo('strip-ignore')878	home := temp_repo('strip-ignore-home')879	defer { os.rmdir_all(dir) or {} }880	defer { os.rmdir_all(home) or {} }881	init_repo(dir)882	write(dir, 'secret.txt', 'leaked\n')883	write(dir, 'keep.txt', 'fine\n')884	assert run_home(dir, home, 'save', 'leak').code == 0885	assert run(dir, 'strip', 'secret.txt', '--yes').code == 1886	assert run_pty_home(dir, home, [''], 'strip', 'secret.txt', '--yes').code == 1887	stripped := run_pty_home(dir, home, ['secret.txt'], 'strip', 'secret.txt', '--yes')888	assert stripped.code == 0, stripped.out889	assert stripped.out.contains('added /secret.txt to .kohignore')890	ignore_path := os.join_path(dir, '.kohignore')891	assert os.read_file(ignore_path)!.split_into_lines().filter(it == '/secret.txt').len == 1892	assert run_home(dir, home, 'save', 'ignore the stripped secret').code == 0893	write(dir, 'secret.txt', 'leaked again\n')894	assert run_home(dir, home, 'status', '--json').out.contains('"dirty":false')895	// Running the strip again (with no remote, it stays pending) adds no second line.896	again := run_pty_home(dir, home, [], 'strip', 'secret.txt')897	assert again.code == 0, again.out898	assert os.read_file(ignore_path)!.split_into_lines().filter(it == '/secret.txt').len == 1899}900901// `koh view` is the one way into the history: the whole line by default,902// checkpoints alone with the flag, and the two lists never overlap.903fn test_view_shows_the_line_and_checkpoints_apart() {904	dir := temp_repo('view')905	defer { os.rmdir_all(dir) or {} }906	init_repo(dir)907	write(dir, 'view.txt', 'one\n')908	assert run(dir, 'save', 'plain save').code == 0909	assert run(dir, 'checkpoint', 'checkpoint save').code == 0910	line := run(dir, 'view')911	assert line.code == 0912	assert line.out.contains('plain save')913	assert line.out.contains('checkpoint save')914	checkpoints := run(dir, 'view', '--checkpoints')915	assert checkpoints.code == 0916	assert checkpoints.out.contains('checkpoint save')917	assert !checkpoints.out.contains('plain save')918	json_line := run(dir, 'view', '--json')919	assert json_line.code == 0920	assert json_line.out.contains('"is_checkpoint":false')921	assert json_line.out.contains('"is_checkpoint":true')922	json_checkpoints := run(dir, 'view', '--checkpoints', '--json')923	assert json_checkpoints.code == 0924	assert json_checkpoints.out.contains('"is_checkpoint":true')925	assert !json_checkpoints.out.contains('"is_checkpoint":false')926	// `view` takes no arguments, so a stray one is a usage error, and the names927	// it replaced are gone rather than hidden: the diagnostic says which.928	assert run(dir, 'view', 'extra').code == 2929	for gone in ['log', 'saves', 'checkpoints'] {930		refused := run(dir, gone)931		assert refused.code == 2932		assert refused.err.contains('unknown command "${gone}"')933	}934	// Every save is on the whole line exactly once, as the JSON says.935	assert line.out.split_into_lines().len == json_line.out.count('"id":"')936}937938fn test_remote_configuration_is_isolated_and_atomic() {939	dir := temp_repo('remote')940	home := temp_repo('remote-home')941	defer {942		os.rmdir_all(dir) or {}943		os.rmdir_all(home) or {}944	}945	empty := run_home(dir, home, 'remote', '--json')946	assert empty.code == 0947	assert empty.out.contains('"configured":false')948	target := os.join_path(home, 'remote-store')949	set := run_home(dir, home, 'remote', 'folder', target)950	assert set.code == 0951	assert os.is_dir(target)952	state := run_home(dir, home, 'remote', '--json')953	assert state.code == 0954	assert state.out.contains('"kind":"folder"')955	assert state.out.contains(target)956	assert run_home(dir, home, 'remote', 's3', 'http://127.0.0.1:1', 'bucket', 'region').code == 1957	assert run_home(dir, home, 'remote', '--json').out.contains(target)958	assert run_home(dir, home, 'remote', 's3', 'http://127.0.0.1:1', 'bucket', 'region', '--yes').err.contains('KOH_ACCESS_KEY')959	assert run_home(dir, home, 'remote', '--forget').code == 1960	assert run_home(dir, home, 'remote', '--forget', '--json').code == 1961	assert run_pty_home(dir, home, [''], 'remote', '--forget').code == 1962	assert run_home(dir, home, 'remote', '--json').out.contains(target)963	assert run_home(dir, home, 'remote', 'folder', target + '-other').code == 1964	assert run_pty_home(dir, home, [''], 'remote', 'folder', target + '-other').code == 1965	assert !os.exists(target + '-other')966	assert run_pty_home(dir, home, ['Y'], 'remote', 'folder', target + '-other').code == 0967	assert run_pty_home(dir, home, ['Y'], 'remote', '--forget').code == 0968	assert run_home(dir, home, 'remote', '--json').out.contains('"configured":false')969}970971// The files under ~/.config/koh can be written by hand instead of by972// `koh remote`, and are then read the same way.973fn test_remote_written_by_hand() {974	dir := temp_repo('remote-by-hand')975	home := temp_repo('remote-by-hand-home')976	defer {977		os.rmdir_all(dir) or {}978		os.rmdir_all(home) or {}979	}980	config := os.join_path(home, '.config', 'koh')981	os.mkdir_all(config) or { panic(err) }982	target := os.join_path(home, 'remote-store')983	os.mkdir_all(target) or { panic(err) }984	os.write_file(os.join_path(config, 'remote'), 'kind = folder\npath = ${target}\n') or {985		panic(err)986	}987	assert run_home(dir, home, 'init').code == 0988	os.write_file(os.join_path(dir, 'a.txt'), 'a\n') or { panic(err) }989	assert run_home(dir, home, 'save', 'first').code == 0990	offered := run_home(dir, home, 'offer', '--json')991	assert offered.code == 0992	assert offered.out.contains('"head"')993994	// Keys anyone else can read are refused before they are ever sent.995	os.write_file(os.join_path(config, 'remote'), 'kind=s3\nendpoint=http://127.0.0.1:1\nbucket=b\nregion=r\n') or {996		panic(err)997	}998	credentials := os.join_path(config, 'credentials')999	os.write_file(credentials, 'access_key=AK\nsecret_key=SK\n') or { panic(err) }1000	os.chmod(credentials, 0o644) or { panic(err) }1001	loose := run_home(dir, home, 'offer')1002	assert loose.code == 11003	assert loose.err.contains('chmod 600')10041005	// A setting koh cannot read is replaced by setting the remote again.1006	os.write_file(os.join_path(config, 'remote'), 'kind=ftp\n') or { panic(err) }1007	unreadable := run_home(dir, home, 'offer')1008	assert unreadable.code == 11009	assert unreadable.err.contains('not readable')1010	assert run_home(dir, home, 'remote', 'folder', target, '--yes').code == 01011	assert run_home(dir, home, 'offer').code == 01012}10131014// A stolen repo belongs to the repo it was stolen from, whatever its folder is1015// called later: renaming it must not start a second repo on the remote.1016fn test_a_renamed_stolen_repo_keeps_offering_to_its_repo() {1017	syncroot := temp_repo('rename-steal')1018	home := temp_repo('rename-steal-home')1019	defer {1020		os.rmdir_all(syncroot) or {}1021		os.rmdir_all(home) or {}1022	}1023	remote := os.join_path(syncroot, 'remote')1024	a := os.join_path(syncroot, 'A', 'proj')1025	b_parent := os.join_path(syncroot, 'B')1026	os.mkdir_all(a) or { panic(err) }1027	os.mkdir_all(b_parent) or { panic(err) }1028	init_repo(a)1029	write(a, 'a.txt', 'from A\n')1030	assert run_home(a, home, 'remote', 'folder', remote).code == 01031	assert run_home(a, home, 'save', 'A first').code == 01032	assert run_home(b_parent, home, 'steal', 'proj').code == 01033	renamed := os.join_path(b_parent, 'renamed')1034	os.mv(os.join_path(b_parent, 'proj'), renamed) or { panic(err) }1035	write(renamed, 'b.txt', 'from B\n')1036	assert run_home(renamed, home, 'save', 'B first').code == 01037	assert !os.exists(os.join_path(remote, 'renamed'))1038	assert run_home(a, home, 'steal', '--yes').code == 01039	assert os.read_file(os.join_path(a, 'b.txt'))! == 'from B\n'1040}10411042// A damaged object on the remote stops a steal, names the object, and leaves1043// no half-made folder that would make the retry refuse.1044fn test_steal_of_a_damaged_remote_leaves_nothing() {1045	syncroot := temp_repo('damaged')1046	home := temp_repo('damaged-home')1047	defer {1048		os.rmdir_all(syncroot) or {}1049		os.rmdir_all(home) or {}1050	}1051	remote := os.join_path(syncroot, 'remote')1052	a := os.join_path(syncroot, 'A', 'proj')1053	b_parent := os.join_path(syncroot, 'B')1054	os.mkdir_all(a) or { panic(err) }1055	os.mkdir_all(b_parent) or { panic(err) }1056	init_repo(a)1057	write(a, 'a.txt', 'from A\n')1058	assert run_home(a, home, 'remote', 'folder', remote).code == 01059	assert run_home(a, home, 'save', 'A first').code == 01060	objects := os.join_path(remote, 'proj', 'objects')1061	for name in os.ls(objects) or { panic(err) } {1062		os.chmod(os.join_path(objects, name), 0o644) or {}1063		os.write_file(os.join_path(objects, name), 'junk') or { panic(err) }1064	}1065	stolen := run_home(b_parent, home, 'steal', 'proj')1066	assert stolen.code == 11067	assert stolen.err.contains('is damaged')1068	assert !os.exists(os.join_path(b_parent, 'proj'))1069}10701071fn test_steal_drops_crafted_unsafe_paths_and_lands_the_rest() {1072	syncroot := temp_repo('unsafe-remote')1073	home := temp_repo('unsafe-remote-home')1074	defer {1075		os.rmdir_all(syncroot) or {}1076		os.rmdir_all(home) or {}1077	}1078	remote := os.join_path(syncroot, 'remote')1079	a := os.join_path(syncroot, 'A', 'proj')1080	b_parent := os.join_path(syncroot, 'B')1081	os.mkdir_all(a) or { panic(err) }1082	os.mkdir_all(b_parent) or { panic(err) }1083	init_repo(a)1084	write(a, 'safe.txt', 'safe\n')1085	assert run_home(a, home, 'remote', 'folder', remote).code == 01086	id := run_home(a, home, 'save', 'crafted', '--json').out.all_after('"id":"')[..12]1087	assert run_home(a, home, 'offer').code == 01088	record_path := os.join_path(remote, 'proj', 'saves', id)1089	record := os.read_file(record_path) or { panic(err) }1090	path_at := record.index('"path":"safe.txt"') or { panic('safe path missing from ${record}') }1091	file_start := record[..path_at].last_index('{') or { panic('safe file start missing') }1092	file_end := path_at + (record[path_at..].index('}') or { panic('safe file end missing') }) + 11093	file := record[file_start..file_end]1094	mut files := [file]1095	for path in ['../outside.txt', '/etc/koh-test', 'a/../../outside.txt', 'bad\\\\name',1096		'control\\rname'] {1097		files << file.replace('safe.txt', path)1098	}1099	os.write_file(record_path, record[..file_start] + files.join(',') + record[file_end..]) or {1100		panic(err)1101	}11021103	stolen := run_home(b_parent, home, 'steal', 'proj')1104	assert stolen.code == 0, stolen.err1105	for dropped in ['../outside.txt', 'bad\\\\name', 'control\\x0dname'] {1106		assert (stolen.out + stolen.err).contains('dropped unsafe path ${dropped}'), stolen.out + stolen.err1107	}1108	assert os.read_file(os.join_path(b_parent, 'proj', 'safe.txt'))! == 'safe\n'1109	assert !os.exists(os.join_path(b_parent, 'outside.txt'))1110	assert !os.exists(os.join_path(b_parent, 'proj', 'bad', 'name'))1111	assert !os.exists('${b_parent}/proj/control\rname')1112}11131114fn test_offer_steal_folder_remote() {1115	syncroot := temp_repo('sync')1116	home := temp_repo('sync-home')1117	defer {1118		os.rmdir_all(syncroot) or {}1119		os.rmdir_all(home) or {}1120	}1121	remote := os.join_path(syncroot, 'remote')1122	a := os.join_path(syncroot, 'A', 'proj')1123	b_parent := os.join_path(syncroot, 'B')1124	os.mkdir_all(a) or { panic(err) }1125	os.mkdir_all(b_parent) or { panic(err) }1126	init_repo(a)1127	write(a, 'a.txt', 'from A\n')1128	assert run_home(a, home, 'remote', 'folder', remote).code == 01129	assert run_home(a, home, 'save', 'A first').code == 01130	stolen := run_home(b_parent, home, 'steal', 'proj')1131	assert stolen.code == 01132	b := os.join_path(b_parent, 'proj')1133	assert os.read_file(os.join_path(b, 'a.txt'))! == 'from A\n'1134	write(b, 'b.txt', 'from B\n')1135	assert run_home(b, home, 'save', 'B first').code == 01136	write(a, 'a2.txt', 'second\n')1137	assert run_home(a, home, 'save', 'A second').code == 01138	assert run_home(a, home, 'steal', '--yes').code == 01139	assert os.exists(os.join_path(a, 'b.txt'))1140	assert run_home(b_parent, home, 'steal', '--list').out.contains('proj')1141	// Kepr keeps its own files in the same remote; a folder without a `head` is no repo.1142	os.mkdir_all(os.join_path(remote, '.kepr', 'media', 'proj')) or { panic(err) }1143	os.write_file(os.join_path(remote, '.kepr', 'media', 'proj', 'a.png'), 'png') or { panic(err) }1144	assert run_home(b_parent, home, 'steal', '--list', '--json').out.contains('"repos":["proj"]')1145	write(a, 'clash.txt', 'base\n')1146	assert run_home(a, home, 'save', 'clash base').code == 01147	assert run_home(b, home, 'steal', '--yes').code == 01148	write(a, 'clash.txt', 'A version\n')1149	assert run_home(a, home, 'save', 'A clash').code == 01150	write(b, 'clash.txt', 'B version\n')1151	assert run_home(b, home, 'save', 'B clash').code == 01152	refused := run_home(b, home, 'steal', '--yes')1153	assert refused.code == 11154	assert refused.err.contains('--mine') || refused.err.contains('--theirs')1155	b_head := run_home(b, home, 'status', '--json').out.all_after('"head_id":"')[..12]1156	theirs := run_home(b, home, 'steal', '--theirs', '--json', '--yes')1157	assert theirs.code == 01158	// The pre-combine tree is off the line now; the way back must be named,1159	// or an agent without the history view cannot find it.1160	assert theirs.out.contains('"previous_head":"${b_head}"')1161	assert theirs.out.contains('"kept_versions":["clash.txt:${b_head}"]')1162	assert os.read_file(os.join_path(b, 'clash.txt'))! == 'A version\n'1163	assert run_home(b, home, 'load', b_head, '--yes').code == 01164	assert os.read_file(os.join_path(b, 'clash.txt'))! == 'B version\n'1165	assert run_home(b, home, 'load', theirs.out.all_after('"head":"')[..12], '--yes').code == 01166	assert os.read_file(os.join_path(b, 'clash.txt'))! == 'A version\n'1167	write(a, 'clash.txt', 'A second\n')1168	assert run_home(a, home, 'save', 'A second clash').code == 01169	write(b, 'clash.txt', 'B second\n')1170	assert run_home(b, home, 'save', 'B second clash').code == 01171	assert run_home(b, home, 'steal', '--mine', '--yes').code == 01172	assert os.read_file(os.join_path(b, 'clash.txt'))! == 'B second\n'1173	assert run_home(b, home, 'view').out.contains('combine: kept mine for')1174}11751176fn test_guided_steal_walks_the_terminal_and_can_cancel() {1177	syncroot := temp_repo('guided-steal')1178	home := temp_repo('guided-steal-home')1179	defer {1180		os.rmdir_all(syncroot) or {}1181		os.rmdir_all(home) or {}1182	}1183	remote := os.join_path(syncroot, 'remote')1184	a := os.join_path(syncroot, 'A', 'proj')1185	b_parent := os.join_path(syncroot, 'B')1186	os.mkdir_all(a) or { panic(err) }1187	os.mkdir_all(b_parent) or { panic(err) }1188	init_repo(a)1189	write(a, 'clash.txt', 'base\n')1190	write(a, 'other.txt', 'base\n')1191	write(a, 'same.txt', 'base\n')1192	write(a, 'remote-only.txt', 'base\n')1193	write(a, 'local-only.txt', 'base\n')1194	assert run_home(a, home, 'remote', 'folder', remote).code == 01195	assert run_home(a, home, 'save', 'base').code == 01196	fetched := run_home(b_parent, home, 'steal', 'proj')1197	assert fetched.code == 01198	assert fetched.out.contains('1 save at'), fetched.out1199	b := os.join_path(b_parent, 'proj')12001201	write(b, 'dirty.txt', 'mine\n')1202	before := run_home(b, home, 'status', '--json').out1203	quit := run_pty_home(b, home, ['q'], 'steal')1204	assert quit.out.contains('steal proj')1205	assert quit.out.contains('you have 1 unsaved file')1206	assert quit.out.contains('dirty.txt')1207	assert run_home(b, home, 'status', '--json').out == before1208	// A save needs a message; an empty one stops, says so, and saves nothing.1209	unsaid := run_pty_home(b, home, ['s', ''], 'steal')1210	assert unsaid.code == 11211	assert unsaid.out.contains('no message — nothing was saved')1212	assert run_home(b, home, 'status', '--json').out == before1213	checkpoint := run_pty_home(b, home, ['c'], 'steal')1214	assert checkpoint.code == 0, checkpoint.err1215	assert run_home(b, home, 'view', '--checkpoints').out.contains('before steal')12161217	assert run_home(a, home, 'steal', '--yes').code == 01218	write(a, 'forward.txt', 'new\n')1219	assert run_home(a, home, 'save', 'fast forward').code == 01220	unchanged := run_home(b, home, 'status', '--json').out1221	all_before := run_home(b, home, 'view', '--json').out1222	assert run_home(b, home, 'steal').code == 11223	assert run_pty_home(b, home, [''], 'steal').code == 11224	assert run_home(b, home, 'status', '--json').out == unchanged1225	assert run_home(b, home, 'view', '--json').out == all_before1226	forward := run_pty_home(b, home, ['Y'], 'steal')1227	assert forward.out.contains('proj is up to date · 1 new save')1228	assert forward.code == 0, forward.out1229	write(a, 'clash.txt', 'remote\n')1230	write(a, 'other.txt', 'remote\n')1231	write(a, 'same.txt', 'identical\n')1232	write(a, 'remote-only.txt', 'remote\n')1233	assert run_home(a, home, 'save', 'remote change').code == 01234	write(b, 'clash.txt', 'mine\n')1235	write(b, 'other.txt', 'mine\n')1236	write(b, 'same.txt', 'identical\n')1237	write(b, 'local-only.txt', 'mine\n')1238	assert run_home(b, home, 'save', 'local change').code == 01239	local_head := run_home(b, home, 'status', '--json').out.all_after('"head_id":"')[..12]1240	// `d` opens both changes in the pager, which Enter leaves; `?` explains the two sides.1241	cancel := run_pty_home(b, home, ['d', '', '?', 'm', 'b', 't', 't', 'n'], 'steal')1242	assert cancel.out.contains('your changes')1243	assert cancel.out.contains('remote changes')1244	assert cancel.out.contains('Nothing is lost either way')1245	// The shared save's age, relative: seconds old here, so `now` unless the machine is slow.1246	since := cancel.out.split_into_lines().filter(it.contains('both moved since'))1247	assert since.len == 11248	assert since[0].trim_space().ends_with(' · now') || since[0].trim_space().ends_with(' ago'), since[0]1249	assert cancel.out.contains('5 files changed')1250	assert cancel.out.contains('2 combine by themselves')1251	assert cancel.out.contains('1 changed the same way')1252	assert cancel.out.contains('2 need you')1253	assert cancel.out.contains('ready to combine')1254	assert run_home(b, home, 'status', '--json').out.contains('"head_id":"${local_head}"')1255	assert os.read_file(os.join_path(b, 'clash.txt'))! == 'mine\n'12561257	done := run_pty_home(b, home, ['y'], 'steal', '--theirs')1258	assert done.out.contains('combined · offered to proj')1259	assert done.out.contains('took theirs: clash.txt · other.txt')1260	assert !done.out.contains('kept mine')1261	assert done.out.contains('to undo all of it: koh load ${local_head}')1262	assert done.out.contains('your clash.txt is in ${local_head}')1263	assert !done.out.contains('\x1b')1264	for line in done.out.split_into_lines() {1265		assert line.runes().len <= 80, line1266	}1267}12681269// A steal brings in the whole history, flags included; both output forms must1270// say which saves came in flagged, and why.1271fn test_a_steal_reports_flagged_saves() {1272	syncroot := temp_repo('steal-flags')1273	home := temp_repo('steal-flags-home')1274	defer {1275		os.rmdir_all(syncroot) or {}1276		os.rmdir_all(home) or {}1277	}1278	a := os.join_path(syncroot, 'A', 'proj')1279	os.mkdir_all(a) or { panic(err) }1280	init_repo(a)1281	assert run_home(a, home, 'remote', 'folder', os.join_path(syncroot, 'remote')).code == 01282	write(a, 'a.txt', 'one\n')1283	id := run_home(a, home, 'save', 'risky', '--json').out.all_after('"id":"')[..12]1284	assert run_home(a, home, 'flag', id, '--reason', 'broke the build').code == 01285	assert run_home(a, home, 'offer').code == 01286	for name in ['B', 'C'] {1287		os.mkdir_all(os.join_path(syncroot, name)) or { panic(err) }1288	}1289	json_stolen := run_home(os.join_path(syncroot, 'B'), home, 'steal', 'proj', '--json')1290	assert json_stolen.code == 01291	assert json_stolen.out.contains('"flagged":["${id}"]')1292	text_stolen := run_home(os.join_path(syncroot, 'C'), home, 'steal', 'proj')1293	assert text_stolen.code == 01294	assert text_stolen.out.contains('[${id}] came in flagged — broke the build')1295}12961297// A folder remote on a disk or share that is not mounted is simply not there.1298// Creating it would put the saves in a stand-in folder the other machine never1299// sees; the offer must say what is wrong instead.1300fn test_an_unmounted_folder_remote_is_not_recreated() {1301	syncroot := temp_repo('unmounted')1302	home := temp_repo('unmounted-home')1303	defer {1304		os.rmdir_all(syncroot) or {}1305		os.rmdir_all(home) or {}1306	}1307	mount := os.join_path(syncroot, 'nas')1308	remote := os.join_path(mount, 'koh')1309	a := os.join_path(syncroot, 'proj')1310	os.mkdir_all(a) or { panic(err) }1311	init_repo(a)1312	assert run_home(a, home, 'remote', 'folder', remote).code == 01313	write(a, 'a.txt', 'one\n')1314	assert run_home(a, home, 'save', 'first').code == 01315	os.rename(mount, os.join_path(syncroot, 'nas-unplugged')) or { panic(err) }1316	os.mkdir(mount) or { panic(err) }1317	offered := run_home(a, home, 'offer')1318	assert offered.code == 11319	assert offered.err.contains('mounted')1320	assert !os.exists(remote)1321	write(a, 'a.txt', 'two\n')1322	saved := run_home(a, home, 'save', 'second')1323	assert saved.code == 01324	assert saved.out.contains('mounted')1325	assert !os.exists(remote)1326}13271328fn test_man_and_koh2_migration_gate() {1329	dir := temp_repo('man')1330	home := temp_repo('man-home')1331	defer {1332		os.rmdir_all(dir) or {}1333		os.rmdir_all(home) or {}1334	}1335	whole := run_home(dir, home, 'man')1336	assert whole.code == 01337	assert whole.out.contains('NAME')1338	assert whole.out.contains('COMMANDS')1339	assert whole.out.contains('STRICT KOH DISCIPLINE')1340	assert whole.out.contains('Asha Software · asha.software')1341	assert !whole.out.contains('\x1b') && !whole.out.contains('◆')1342	strip := run_home(dir, home, 'man', 'strip')1343	assert strip.code == 01344	assert strip.out.contains('strip')1345	assert !strip.out.contains('koh save ')1346	steal := run_home(dir, home, 'man', 'steal').out1347	assert steal.starts_with('    koh steal') && steal.contains('koh steal my-project')1348	assert run_home(dir, home, 'man', 'init').out.trim_space() == "koh init\n        Create `.koh` here, and a starter `.kohignore` if there isn't one."1349	assert run_home(dir, home, 'man', 'nonsense').code == 21350	legacy := temp_repo('legacy')1351	defer { os.rmdir_all(legacy) or {} }1352	os.mkdir_all(os.join_path(legacy, '.koh')) or { panic(err) }1353	fake := os.join_path(home, 'bin')1354	os.mkdir_all(fake) or { panic(err) }1355	fake_koh := os.join_path(fake, 'koh2')1356	os.write_file(fake_koh, '#!/bin/sh\nprintf "handoff:%s\\n" "$*"\nexit 7\n') or { panic(err) }1357	os.chmod(fake_koh, 0o755) or { panic(err) }1358	for command in ['init', 'save', 'checkpoint', 'status', 'diff', 'undo', 'revert', 'load', 'flag',1359		'pluck', 'peek', 'offer', 'view', 'strip', 'build', 'doctor', 'steal'] {1360		refused := run_home_with_path(legacy, home, fake, command, '--json')1361		assert refused.code == 1, command1362		assert refused.out.trim_space() == '', command1363		assert refused.err.contains('koh migrate'), refused.err1364		assert !refused.err.contains('handing'), refused.err1365		assert os.is_dir(os.join_path(legacy, '.koh'))1366		assert !os.exists(os.join_path(legacy, '.koh-v2'))1367	}1368	// And one that belongs to the machine, not the repo, is Koh 3's own.1369	remote := run_home_with_path(legacy, home, fake, 'remote')1370	assert !remote.out.contains('handoff'), remote.out1371	assert remote.err.contains('needs a terminal'), remote.err1372}13731374fn run_home_with_path(repo string, home string, bin_dir string, args ...string) Result {1375	stamp := '${os.getpid()}-${time.now().unix_nano()}'1376	base := os.join_path(os.temp_dir(), 'koh3-cli-${stamp}')1377	out_path := '${base}.out'1378	err_path := '${base}.err'1379	code_path := '${base}.code'1380	mut command := 'HOME=${q(home)} PATH=${q(bin_dir + ':' + os.getenv('PATH'))} ${q(binary)}'1381	for arg in args {1382		command += ' ${q(arg)}'1383	}1384	shell := 'cd ${q(repo)} && ${command} </dev/null >${q(out_path)} 2>${q(err_path)}; printf "%s" \$? >${q(code_path)}'1385	result := os.execute(shell)1386	if result.exit_code != 0 {1387		panic('could not run test command: ${result.output}')1388	}1389	code := os.read_file(code_path) or { panic(err) }1390	out := os.read_file(out_path) or { '' }1391	err := os.read_file(err_path) or { '' }1392	os.rm(out_path) or {}1393	os.rm(err_path) or {}1394	os.rm(code_path) or {}1395	return Result{1396		code: code.int()1397		out:  out1398		err:  err1399	}1400}14011402// --- migration -------------------------------------------------------------14031404// koh2_binary finds Koh 2: `koh2` since the cutover, `koh` before it, and never Koh 3.1405fn koh2_binary() string {1406	for name in ['koh2', 'koh'] {1407		path := os.find_abs_path_of_executable(name) or { continue }1408		if os.execute('${os.quoted_path(path)} --version').output.starts_with('koh v2') {1409			return path1410		}1411	}1412	return ''1413}14141415// run_koh2 runs the Koh 2 binary in a fixture; its own output is not under1416// test here.1417fn run_koh2(dir string, command string) {1418	os.execute('cd ${q(dir)} && ${command} >/dev/null 2>&1')1419}14201421fn save_ids(dir string) []string {1422	mut ids := []string{}1423	for name in os.ls(os.join_path(dir, '.koh', 'snapshots')) or { []string{} } {1424		if name.ends_with('.json') {1425			ids << name.trim_right('.json')1426		}1427	}1428	ids.sort()1429	return ids1430}14311432fn test_migrate_converts_a_koh2_repo_and_keeps_every_save() {1433	koh2 := koh2_binary()1434	if koh2 == '' {1435		println('skipping the migration tests: koh (Koh 2) is not on PATH')1436		return1437	}1438	dir := temp_repo('migrate')1439	defer { os.rmdir_all(dir) or {} }1440	home := temp_repo('migrate-home')1441	defer { os.rmdir_all(home) or {} }1442	run_koh2(dir, '${q(koh2)} init')1443	// One file large enough to be an object, one small enough to be inlined.1444	write(dir, 'code.txt', 'x'.repeat(700))1445	write(dir, 'tiny.txt', 'tiny\n')1446	run_koh2(dir, '${q(koh2)} save "first save"')1447	run_koh2(dir, '${q(koh2)} checkpoint "before something"')1448	write(dir, 'code.txt', 'y'.repeat(700))1449	run_koh2(dir, '${q(koh2)} save "second save"')1450	original := save_ids(dir)1451	assert original.len == 314521453	// A version handed back must be readable.1454	unreadable := run_home(dir, home, 'migrate', '--with', os.join_path(dir, 'no-such-backup'), '--yes')1455	assert unreadable.code == 1 && unreadable.err.contains('cannot read'), unreadable.err1456	// Off a terminal it asks nothing and changes nothing without --yes.1457	unasked := run_home(dir, home, 'migrate')1458	assert unasked.code == 1 && unasked.err.contains('needs --yes'), unasked.err1459	assert os.is_dir(os.join_path(dir, '.koh'))1460	report := run_home(dir, home, 'migrate', '--yes')1461	assert report.code == 01462	assert report.out.contains('this will:')1463	assert report.out.contains('migrated 3 saves')1464	// The swap: `.koh` is a file, the old data is archived, nothing is left in the draft.1465	assert os.is_file(os.join_path(dir, '.koh'))1466	assert os.is_dir(os.join_path(dir, '.koh-v2'))1467	assert os.is_file(os.join_path(dir, '.kohignore'))1468	assert !os.exists(os.join_path(dir, '.koh-migrate'))14691470	// Every save kept its original ID, and the new repo is sound.1471	listed := run_home(dir, home, 'view', '--json')1472	assert listed.code == 01473	for id in original {1474		assert listed.out.contains(id)1475	}1476	assert run_home(dir, home, 'doctor').code == 01477	assert run_home(dir, home, 'status').code == 014781479	// Migrating again has nothing to convert.1480	assert run_home(dir, home, 'migrate', '--yes').code == 11481}14821483fn test_migrate_refuses_a_tree_that_does_not_match_the_last_save() {1484	koh2 := koh2_binary()1485	if koh2 == '' {1486		return1487	}1488	dir := temp_repo('migrate-dirty')1489	defer { os.rmdir_all(dir) or {} }1490	home := temp_repo('migrate-dirty-home')1491	defer { os.rmdir_all(home) or {} }1492	run_koh2(dir, '${q(koh2)} init')1493	write(dir, 'code.txt', 'x'.repeat(700))1494	run_koh2(dir, '${q(koh2)} save "only save"')1495	write(dir, 'code.txt', 'unsaved change\n')14961497	refused := run_home(dir, home, 'migrate', '--yes')1498	assert refused.code == 11499	assert refused.err.contains('save with koh2 first')1500	// Nothing moved: still Koh 2, no archive, no draft file.1501	assert os.is_dir(os.join_path(dir, '.koh'))1502	assert !os.exists(os.join_path(dir, '.koh-v2'))1503	assert !os.exists(os.join_path(dir, '.koh-migrate'))1504}15051506// Koh 2 never saved a root `.kohconfig`, root `.kohignore.<remote>` rules or1507// `*.bundle` files, so a clean Koh 2 repo may hold them. Most real repos have1508// a `.kohconfig`; migrate must not call them unsaved work.1509fn test_migrate_passes_over_the_files_koh2_never_saved() {1510	koh2 := koh2_binary()1511	if koh2 == '' {1512		return1513	}1514	dir := temp_repo('migrate-koh2-ignores')1515	defer { os.rmdir_all(dir) or {} }1516	home := temp_repo('migrate-koh2-ignores-home')1517	defer { os.rmdir_all(home) or {} }1518	run_koh2(dir, '${q(koh2)} init')1519	write(dir, 'code.txt', 'x'.repeat(700))1520	run_koh2(dir, '${q(koh2)} save "only save"')1521	write(dir, '.kohconfig', 'stable_days = 14\n')1522	write(dir, '.kohignore.public', 'private/\n')1523	write(dir, 'lib/app.bundle', 'bundle\n')1524	write(dir, 'ios/Settings.bundle/Root.plist', 'settings\n')1525	// Koh 2 keeps saving a file under a folder pattern added later, where1526	// Koh 3 reads the same rule as covering the folder: the saved file is on1527	// disk and matches, so the tree is clean.1528	write(dir, 'native/t.dSYM/Info.plist', 'plist\n')1529	run_koh2(dir, '${q(koh2)} save --agent test --session test "add the dsym"')1530	// Koh 2 skips *.bundle even when its rules no longer list it.1531	ignore_path := os.join_path(dir, '.koh', 'ignore')1532	rules := os.read_file(ignore_path)!.split_into_lines().filter(it != '*.bundle')1533	os.write_file(ignore_path, rules.join('\n') + '\nnative/*.dSYM\n')!1534	// A saved file the walk skips still has to match what was saved.1535	write(dir, 'native/t.dSYM/Info.plist', 'changed\n')1536	changed := run_home(dir, home, 'migrate', '--yes')1537	assert changed.code == 11538	assert changed.err.contains('native/t.dSYM/Info.plist does not match')1539	write(dir, 'native/t.dSYM/Info.plist', 'plist\n')1540	assert os.execute('cd ${q(dir)} && ${q(koh2)} status --json').output.contains('"dirty":false')15411542	migrated := run_home(dir, home, 'migrate', '--yes')1543	assert migrated.code == 0, migrated.err1544	// They stay where they were, for the user to keep or delete.1545	assert os.read_file(os.join_path(dir, '.kohconfig'))! == 'stable_days = 14\n'1546}15471548struct FakeKepr {1549	no_access bool1550	// One reply the redemption must cope with: '500', 'garbage' or 'incomplete'.1551	fail string1552	// When set, /api/connect answers 307 here instead of a code reply.1553	redirect_to string1554mut:1555	objects map[string][]u81556	// What the client asked for. A map, because the server holds its own copy of this struct.1557	seen map[string]string1558}15591560fn (mut h FakeKepr) handle(req http.Request) http.Response {1561	if req.method == .post && req.url == '/api/connect' {1562		h.seen['code'] = req.data1563		if h.redirect_to != '' {1564			return http.Response{1565				status_code: 3071566				status_msg:  'Temporary Redirect'1567				header:      http.new_header(1568					key:   .location1569					value: h.redirect_to1570				)1571			}1572		}1573		if h.fail == '500' {1574			return http.Response{ status_code: 500, status_msg: 'Internal Server Error' }1575		}1576		if h.fail == 'garbage' {1577			return http.Response{ status_code: 200, status_msg: 'OK', body: 'not json at all' }1578		}1579		if h.fail == 'incomplete' {1580			return http.Response{ status_code: 200, status_msg: 'OK', body: '{"endpoint":"http://x","bucket":"","region":"","access_key_id":"","secret_access_key":""}' }1581		}1582		if req.data == 'code=good' && !h.no_access {1583			return http.Response{ status_code: 200, status_msg: 'OK', body: '{"endpoint":"http://${req.header.get_custom('Host', http.HeaderQueryConfig{}) or { '' }}","bucket":"bucket","region":"test","access_key_id":"access","secret_access_key":"secret"}' }1584		}1585		return http.Response{ status_code: 404, status_msg: 'Not Found', body: '{"error":"no_code","message":"no code"}' }1586	}1587	if req.method == .get && req.url.starts_with('/connect') {1588		h.seen['connect'] = req.url1589		return http.Response{ status_code: if h.no_access { 404 } else { 302 }, status_msg: 'Found' }1590	}1591	key := req.url1592	if key.starts_with('/bucket/') {1593		match req.method {1594			.put {1595				if req.header.get_custom('If-None-Match', http.HeaderQueryConfig{}) or { '' } == '*' && key in h.objects {1596					return http.Response{ status_code: 412, status_msg: 'Precondition Failed' }1597				}1598				h.objects[key] = req.data.bytes()1599				return http.Response{ status_code: 200, status_msg: 'OK' }1600			}1601			.get {1602				if body := h.objects[key] {1603					return http.Response{1604						status_code: 2001605						status_msg:  'OK'1606						body:        body.bytestr()1607						header:      http.new_header(1608							key:   .etag1609							value: '"tag"'1610						)1611					}1612				}1613				return http.Response{ status_code: 404, status_msg: 'Not Found' }1614			}1615			.delete {1616				h.objects.delete(key)1617				return http.Response{ status_code: 204, status_msg: 'No Content' }1618			}1619			else {}1620		}1621	}1622	return http.Response{ status_code: 404, status_msg: 'Not Found' }1623}16241625fn start_fake_kepr(no_access bool, fail string, redirect_to string) !(int, &http.Server, &FakeKepr) {1626	for port in 19401 .. 19411 {1627		listener := net.listen_tcp(.ip, '127.0.0.1:${port}') or { continue }1628		fake := &FakeKepr{1629			no_access:   no_access1630			fail:        fail1631			redirect_to: redirect_to1632			seen:        map[string]string{}1633		}1634		mut server := &http.Server{1635			listener:             listener1636			handler:              fake1637			show_startup_message: false1638		}1639		spawn server.listen_and_serve()1640		server.wait_till_running()!1641		return port, server, fake1642	}1643	return error('no free fake Kepr port')1644}16451646// A slash makes an argument an address, so half an address is an error and never a repo name.1647fn test_steal_refuses_an_address_that_is_not_one() {1648	outside := temp_repo('steal-address')1649	home := temp_repo('steal-address-home')1650	defer { os.rmdir_all(outside) or {} }1651	defer { os.rmdir_all(home) or {} }1652	// The repo half becomes a URL path segment and a folder here, so it is a name Kepr serves.1653	for bad in ['kepr.uk/', '/shipped', 'kepr.uk/..', 'kepr.uk/.', 'kepr.uk/a b', 'kepr.uk/nina?x',1654		'kepr.uk/nina#x', 'kepr.uk/nína'] {1655		refused := run_home(outside, home, 'steal', bad)1656		assert refused.code == 1, bad1657		assert refused.err.contains('is not <host>/<repo>'), '${bad}: ${refused.err}'1658	}1659	assert run_home(outside, home, 'steal', 'one', 'two').code == 21660	assert run_home(outside, home, 'steal', '--list', 'extra').code == 21661}16621663fn test_remote_kepr_saves_and_refuses_without_changes() {1664	repo := temp_repo('kepr')1665	home := temp_repo('kepr-home')1666	defer { os.rmdir_all(repo) or {} }1667	defer { os.rmdir_all(home) or {} }1668	init_repo(repo)1669	port, mut server, fake := start_fake_kepr(false, '', '')!1670	defer { server.stop() }1671	host := 'http://127.0.0.1:${port}'1672	// A trailing slash is the same host, and the saved line keeps the normalised form.1673	good := run_home(repo, home, 'remote', '${host}/', '--code', 'good')1674	assert good.code == 0, good.err1675	remote_path := os.join_path(home, '.config', 'koh', 'remote')1676	credentials_path := os.join_path(home, '.config', 'koh', 'credentials')1677	assert os.read_file(remote_path)! == '# written by koh remote — the remote for every repo on this machine\nkind=s3\nendpoint=${host}\nbucket=bucket\nregion=test\nkepr=${host}\n'1678	assert os.read_file(credentials_path)! == '# written by koh remote — keep this file private\naccess_key=access\nsecret_key=secret\n'1679	// The code went as a form field, and the connect page was never asked for: there was a code.1680	assert (fake.seen['code'] or { '' }) == 'code=good'1681	assert (fake.seen['connect'] or { '' }) == ''1682	// A refused code, a missing terminal and a wrong reply all leave both files as they were.1683	before := os.read_file(remote_path)!1684	before_keys := os.read_file(credentials_path)!1685	bad := run_home(repo, home, 'remote', host, '--yes', '--code', 'bad')1686	assert bad.code == 11687	assert bad.err.contains('wrong or has expired')1688	// The 404 could also mean a Kepr that hands out nothing, so the connect page is asked for1689	// with this machine's name. (This machine's name holds no character needing an escape, so1690	// that part of the query cannot be exercised here.)1691	// `machine.name()` is `os.hostname() or { 'unknown' }`, so the query carries the same text.1692	assert (fake.seen['connect'] or { '' }).contains('machine=${os.hostname() or { 'unknown' }}')1693	no_terminal := run_home(repo, home, 'remote', host, '--yes')1694	assert no_terminal.code == 11695	assert no_terminal.err.contains('needs a terminal')1696	assert os.read_file(remote_path)! == before1697	assert os.read_file(credentials_path)! == before_keys1698}16991700fn test_remote_kepr_refuses_hosts_that_are_not_hosts() {1701	repo := temp_repo('kepr-host')1702	home := temp_repo('kepr-host-home')1703	defer { os.rmdir_all(repo) or {} }1704	defer { os.rmdir_all(home) or {} }1705	init_repo(repo)1706	for host in ['kepr.uk/foo', 'https://kepr.uk?x=1', 'kepr.uk#frag', '[email protected]', 'kepr uk',1707		'http://127.0.0.1:1/foo', 'https://'] {1708		refused := run_home(repo, home, 'remote', host, '--yes', '--code', 'good')1709		assert refused.code == 1, host1710		assert refused.err.contains('is not a Kepr address'), '${host}: ${refused.err}'1711	}1712	// The reply carries the bucket's secret key, so plain http is only for this machine's own Kepr.1713	for host in ['http://kepr.uk', 'http://10.0.0.2:3000', 'http://KEPR.uk:80'] {1714		refused := run_home(repo, home, 'remote', host, '--yes', '--code', 'good')1715		assert refused.code == 1, host1716		assert refused.err.contains('needs https'), '${host}: ${refused.err}'1717		stolen := run_home(home, home, 'steal', '${host}/nina')1718		assert stolen.code == 1, host1719		assert stolen.err.contains('needs https'), '${host}: ${stolen.err}'1720	}1721	// --code belongs to the host form alone.1722	assert run_home(repo, home, 'remote', 's3', 'https://x', 'b', 'r', '--code', 'good').code == 21723	assert run_home(repo, home, 'remote', 'folder', '/tmp', '--code', 'good').code == 21724	assert run_home(repo, home, 'remote', '--code', 'good').code == 21725	assert !os.exists(os.join_path(home, '.config', 'koh', 'remote'))1726}17271728fn test_remote_kepr_refuses_what_is_not_a_code_reply() {1729	repo := temp_repo('kepr-reply')1730	home := temp_repo('kepr-reply-home')1731	defer { os.rmdir_all(repo) or {} }1732	defer { os.rmdir_all(home) or {} }1733	init_repo(repo)1734	remote_path := os.join_path(home, '.config', 'koh', 'remote')1735	for mode in ['500', 'garbage', 'incomplete'] {1736		port, mut server, _ := start_fake_kepr(false, mode, '')!1737		refused := run_home(repo, home, 'remote', 'http://127.0.0.1:${port}', '--code', 'good')1738		server.stop()1739		assert refused.code == 1, mode1740		assert refused.err.contains('nothing was changed'), '${mode}: ${refused.err}'1741		assert !os.exists(remote_path)1742	}1743	// A redirect would hand the code to wherever it points, so it is refused and never followed.1744	target_port, mut target, target_fake := start_fake_kepr(false, '', '')!1745	port, mut server, _ := start_fake_kepr(false, '', 'http://127.0.0.1:${target_port}/api/connect')!1746	redirected := run_home(repo, home, 'remote', 'http://127.0.0.1:${port}', '--code', 'good')1747	server.stop()1748	target.stop()1749	assert redirected.code == 11750	assert redirected.err.contains('refused the code')1751	assert target_fake.seen.len == 0, 'the code was forwarded: ${target_fake.seen}'1752	assert !os.exists(remote_path)1753}17541755// An unreachable Kepr is a refusal too, and the settings are still untouched.1756fn test_remote_kepr_that_cannot_be_reached_changes_nothing() {1757	repo := temp_repo('kepr-down')1758	home := temp_repo('kepr-down-home')1759	defer { os.rmdir_all(repo) or {} }1760	defer { os.rmdir_all(home) or {} }1761	init_repo(repo)1762	refused := run_home(repo, home, 'remote', 'http://127.0.0.1:1', '--code', 'good')1763	assert refused.code == 11764	assert refused.err.contains('could not reach Kepr')1765	assert !os.exists(os.join_path(home, '.config', 'koh', 'remote'))1766}17671768fn test_remote_kepr_without_bucket_access_is_explained() {1769	repo := temp_repo('kepr-no-access')1770	home := temp_repo('kepr-no-access-home')1771	defer { os.rmdir_all(repo) or {} }1772	defer { os.rmdir_all(home) or {} }1773	init_repo(repo)1774	port, mut server, _ := start_fake_kepr(true, '', '')!1775	defer { server.stop() }1776	r := run_home(repo, home, 'remote', 'http://127.0.0.1:${port}', '--code', 'bad')1777	assert r.code == 11778	assert r.err.contains("doesn't hand out bucket access")1779	assert !os.exists(os.join_path(home, '.config', 'koh', 'remote'))1780}17811782fn test_ignore_batch_preview_cancel_and_toggle() {1783	repo := temp_repo('ignore-batch')1784	home := temp_repo('ignore-home')1785	defer {1786		os.rmdir_all(repo) or {}1787		os.rmdir_all(home) or {}1788	}1789	assert run_home(repo, home, 'init').code == 01790	assert run_home(repo, home, 'save', 'initial').code == 01791	write(repo, 'one/a.txt', 'a')1792	write(repo, 'two/b.txt', 'b')1793	write(repo, 'literal*.txt', 'literal')1794	before := os.read_file(os.join_path(repo, '.kohignore'))!1795	refused := run_home(repo, home, 'ignore', 'one', 'two', 'literal*.txt', '--json')1796	assert refused.code == 11797	assert refused.out.contains('"changed":false')1798	assert refused.out.contains('koh strip <path>')1799	assert os.read_file(os.join_path(repo, '.kohignore'))! == before1800	cancel := run_pty_home(repo, home, [''], 'ignore', 'one', 'two', 'literal*.txt')1801	assert cancel.code == 11802	assert cancel.out.contains('/one/') && cancel.out.contains('/two/')1803	assert os.read_file(os.join_path(repo, '.kohignore'))! == before1804	assert run_home(repo, home, 'ignore', 'one').code == 11805	assert os.read_file(os.join_path(repo, '.kohignore'))! == before1806	assert run_pty_home(repo, home, ['y'], 'ignore', 'confirmed.txt').code == 01807	added := run_home(repo, home, 'ignore', 'one', './one', 'two', 'literal*.txt', '--yes', '--json')1808	assert added.code == 01809	assert added.out.contains('"changed":true')1810	text := os.read_file(os.join_path(repo, '.kohignore'))!1811	assert text.count('/one/\n') == 11812	assert text.contains('/literal\\*.txt\n')1813	status := run_home(repo, home, 'status', '--json')1814	assert status.code == 01815	assert !status.out.contains('one/a.txt') && !status.out.contains('literal*.txt')1816	assert run_home(repo, home, 'ignore', 'one', '--yes').code == 01817	assert run_home(repo, home, 'status', '--json').out.contains('one/a.txt')1818	assert run_home(repo, home, 'ignore', 'two/b.txt', '--yes').code == 01819	assert !os.read_file(os.join_path(repo, '.kohignore'))!.contains('/two/')1820}18211822fn test_ignore_global_rules_and_scope_overlap() {1823	repo := temp_repo('ignore-global')1824	other := temp_repo('ignore-other')1825	home := temp_repo('ignore-home')1826	defer {1827		os.rmdir_all(repo) or {}1828		os.rmdir_all(other) or {}1829		os.rmdir_all(home) or {}1830	}1831	assert run_home(repo, home, 'init').code == 01832	assert run_home(repo, home, 'save', 'initial').code == 01833	assert run_home(other, home, 'init').code == 01834	assert run_home(other, home, 'save', 'initial').code == 01835	write(repo, 'cache/a', 'a')1836	write(other, 'nested/cache/b', 'b')1837	assert run_home(repo, home, 'ignore', 'cache', '--yes').code == 01838	assert run_home(repo, home, 'ignore', 'cache', '--global', '--yes').code == 01839	assert os.read_file(os.join_path(home, '.kohignore'))! == 'cache/\n'1840	assert run_home(other, home, 'save', 'global rules applied').code == 11841	assert !run_home(other, home, 'status', '--json').out.contains('nested/cache/b')1842	result := run_home(repo, home, 'ignore', 'cache', '--yes')1843	assert result.code == 0 && result.out.contains('still ignored')1844	assert !run_home(repo, home, 'status', '--json').out.contains('cache/a')1845	assert run_home(repo, home, 'ignore', 'cache', '--global', '--yes').code == 01846	assert run_home(repo, home, 'status', '--json').out.contains('cache/a')1847	assert run_home(other, home, 'status', '--json').out.contains('nested/cache/b')1848	assert run_home(home, home, 'ignore', 'missing/', '--global', '--yes').code == 01849}18501851fn test_ignore_broad_rules_mixed_batch_and_invalid_paths() {1852	repo := temp_repo('ignore-rules')1853	home := temp_repo('ignore-home')1854	defer {1855		os.rmdir_all(repo) or {}1856		os.rmdir_all(home) or {}1857	}1858	assert run_home(repo, home, 'init').code == 01859	assert run_home(repo, home, 'save', 'initial').code == 01860	write(repo, '.kohignore', '# keep this\n*.log\n/folder/\n')1861	write(repo, 'folder/a', 'a')1862	os.symlink(home, os.join_path(repo, 'link'))!1863	before := os.read_file(os.join_path(repo, '.kohignore'))!1864	for bad in ['../outside', '.koh', '.kohignore', '.', 'link/a', 'bad\nname'] {1865		assert run_home(repo, home, 'ignore', 'good', bad, '--yes').code == 11866		assert os.read_file(os.join_path(repo, '.kohignore'))! == before1867	}1868	mixed := run_home(repo, home, 'ignore', 'a.log', 'new.txt', '--yes')1869	assert mixed.code == 0 && mixed.out.contains('other items')1870	assert os.read_file(os.join_path(repo, '.kohignore'))! == '# keep this\n/folder/\n/new.txt\n'1871	assert run_home(os.join_path(repo, 'folder'), home, 'ignore', 'a', '--yes').code == 01872	assert !os.read_file(os.join_path(repo, '.kohignore'))!.contains('/folder/')1873	assert run_home(repo, home, 'ignore').code == 21874}18751876fn test_ignore_reads_symlinked_other_scope_and_subdirectory_rules() {1877	repo := temp_repo('ignore-symlink')1878	home := temp_repo('ignore-home')1879	defer {1880		os.rmdir_all(repo) or {}1881		os.rmdir_all(home) or {}1882	}1883	assert run_home(repo, home, 'init').code == 01884	write(home, 'rules', 'cache/\n')1885	os.symlink(os.join_path(home, 'rules'), os.join_path(home, '.kohignore'))!1886	local := run_home(repo, home, 'ignore', 'cache/', '--yes')1887	assert local.code == 0 && local.out.contains('still ignored')1888	assert run_home(repo, home, 'ignore', 'cache/', '--global', '--yes').code == 11889	os.rm(os.join_path(home, '.kohignore'))!1890	write(home, '.kohignore', 'cache/\n')1891	write(repo, '.kohignore', '/sub/cache/\n')1892	write(repo, 'sub/cache/a', 'a')1893	global := run_home(os.join_path(repo, 'sub'), home, 'ignore', 'cache', '--global', '--yes')1894	assert global.code == 0 && global.out.contains('still ignored')1895	assert os.read_file(os.join_path(repo, '.kohignore'))! == '/sub/cache/\n'1896	assert os.read_file(os.join_path(home, '.kohignore'))! == ''1897}18981899fn test_ignore_refuses_stripped_paths_and_preserves_crlf_comments() {1900	repo := temp_repo('ignore-stripped')1901	home := temp_repo('ignore-home')1902	defer {1903		os.rmdir_all(repo) or {}1904		os.rmdir_all(home) or {}1905	}1906	assert run_home(repo, home, 'init').code == 01907	write(repo, 'secret', 'secret')1908	assert run_home(repo, home, 'save', 'initial').code == 01909	assert run_pty_home(repo, home, ['y', 'secret'], 'strip', 'secret').code == 01910	before := os.read_file(os.join_path(repo, '.kohignore'))!1911	assert run_home(repo, home, 'ignore', 'secret', '--yes').code == 11912	assert os.read_file(os.join_path(repo, '.kohignore'))! == before1913	write(repo, '.kohignore', '# keep\r\n*.log\r\nlast')1914	assert run_home(repo, home, 'ignore', 'one.log', '--yes').code == 01915	assert os.read_file(os.join_path(repo, '.kohignore'))! == '# keep\r\nlast'1916}19171918fn test_strip_multiple_paths_confirms_entire_batch_before_changes() {1919	repo := temp_repo('strip-batch')1920	home := temp_repo('strip-home')1921	defer {1922		os.rmdir_all(repo) or {}1923		os.rmdir_all(home) or {}1924	}1925	assert run_home(repo, home, 'init').code == 01926	write(repo, 'private/a', 'a')1927	write(repo, 'secret.txt', 'secret')1928	write(repo, 'keep.txt', 'keep')1929	assert run_home(repo, home, 'save', 'initial').code == 01930	before := os.read_file(os.join_path(repo, '.kohignore'))!1931	cancel := run_pty_home(repo, home, ['y', 'private', ''], 'strip', 'private/', 'secret.txt')1932	assert cancel.code == 11933	assert cancel.out.contains('private') && cancel.out.contains('secret.txt')1934	assert os.read_file(os.join_path(repo, '.kohignore'))! == before1935	assert run_home(repo, home, 'status', '--json').out.contains('"dirty":false')1936	assert run_pty_home(repo, home, [], 'strip', 'private', '../bad').code == 11937	assert os.read_file(os.join_path(repo, '.kohignore'))! == before1938	stripped := run_pty_home(repo, home, ['y', 'private', 'private/a', 'secret.txt'], 'strip', 'private/', 'private', 'private/a', 'secret.txt', '--json')1939	assert stripped.code == 0, stripped.out1940	assert stripped.out.contains('"strips":[')1941	assert stripped.out.contains('"path":"private"') && stripped.out.contains('"path":"secret.txt"')1942	assert os.read_file(os.join_path(repo, 'secret.txt'))! == 'secret'1943	assert os.read_file(os.join_path(repo, 'private/a'))! == 'a'1944	text := os.read_file(os.join_path(repo, '.kohignore'))!1945	assert text.count('/private\n') == 1 && text.count('/secret.txt\n') == 11946	assert !text.contains('/private/a\n')1947	assert run_home(repo, home, 'save', 'rules').code == 01948	assert run_home(repo, home, 'status', '--json').out.contains('"dirty":false')1949}19501951fn test_strip_legacy_paths_and_trailing_slash_remote_retry() {1952	repo := temp_repo('strip-legacy')1953	home := temp_repo('strip-home')1954	remote_dir := temp_repo('strip-remote')1955	defer {1956		os.rmdir_all(repo) or {}1957		os.rmdir_all(home) or {}1958		os.rmdir_all(remote_dir) or {}1959	}1960	assert run_home(repo, home, 'init').code == 01961	write(repo, 'secret', 'secret')1962	assert run_home(repo, home, 'save', 'legacy').code == 01963	store := storage.open(repo)!1964	store.db.exec("UPDATE save_files SET path = '../unsafe' WHERE path = 'secret'")!1965	store.close()1966	legacy := run_pty_home(repo, home, ['y', '../unsafe'], 'strip', '../unsafe')1967	assert legacy.code == 0, legacy.out1968	assert run_home(repo, home, 'doctor', '--json').code == 01969	write(repo, 'private/a', 'private')1970	assert run_home(repo, home, 'remote', 'folder', remote_dir).code == 01971	assert run_home(repo, home, 'save', 'folder').code == 01972	old_store := storage.open(repo)!1973	exchange.strip_local(old_store, 'private/', '')!1974	old_store.close()1975	retried := run_pty_home(repo, home, [], 'strip', 'private/')1976	assert retried.code == 0 && retried.out.contains('already stripped'), retried.out1977	checked := storage.open(repo)!1978	defer { checked.close() }1979	assert !exchange.strip_pending(checked, 'private/')1980}19811982fn test_strip_batch_reports_each_ignore_write_failure() {1983	repo := temp_repo('strip-rule-failure')1984	home := temp_repo('strip-home')1985	remote_dir := temp_repo('strip-rule-remote')1986	defer {1987		os.rmdir_all(repo) or {}1988		os.rmdir_all(home) or {}1989		os.rmdir_all(remote_dir) or {}1990	}1991	assert run_home(repo, home, 'init').code == 01992	write(repo, 'one', 'one')1993	write(repo, 'two', 'two')1994	assert run_home(repo, home, 'remote', 'folder', remote_dir).code == 01995	assert run_home(repo, home, 'save', 'initial').code == 01996	os.rename(os.join_path(repo, '.kohignore'), os.join_path(repo, 'rules-backup'))!1997	os.mkdir(os.join_path(repo, '.kohignore'))!1998	failed := run_pty_home(repo, home, ['y', 'one', 'two'], 'strip', 'one', 'two', '--json')1999	assert failed.code == 1, failed.out2000	assert failed.out.count('"ignore_failed":') == 22001	assert failed.out.contains('by hand') && failed.out.contains('history ban still applies')2002	assert failed.out.contains('"path":"one"') && failed.out.contains('"path":"two"')2003	store := storage.open(repo)!2004	defer { store.close() }2005	assert exchange.strip_scope(store, 'one', '')!.files == 02006	assert exchange.strip_scope(store, 'two', '')!.files == 02007	assert !exchange.strip_pending(store, 'one') && !exchange.strip_pending(store, 'two')2008}20092010fn test_destructive_restore_enter_cancels_and_uppercase_y_confirms() {2011	dir := temp_repo('restore-default-no')2012	home := temp_repo('restore-default-no-home')2013	defer {2014		os.rmdir_all(dir) or {}2015		os.rmdir_all(home) or {}2016	}2017	assert run_home(dir, home, 'init').code == 02018	write(dir, 'file.txt', 'old\n')2019	assert run_home(dir, home, 'save', 'old').code == 02020	id := run_home(dir, home, 'status', '--json').out.all_after('"head_id":"')[..12]2021	write(dir, 'file.txt', 'new\n')2022	assert run_home(dir, home, 'save', 'new').code == 02023	before := run_home(dir, home, 'status', '--json').out2024	current := before.all_after('"head_id":"')[..12]2025	for args in [['undo'], ['load', id], ['pluck', current, '--reverse']] {2026		cancel := run_pty_home(dir, home, [''], ...args)2027		assert cancel.code == 12028		assert cancel.out.contains('continue? [y/N]')2029		assert run_home(dir, home, 'status', '--json').out == before2030		assert os.read_file(os.join_path(dir, 'file.txt'))! == 'new\n'2031	}2032	write(dir, 'file.txt', 'unsaved\n')2033	assert run_pty_home(dir, home, [''], 'revert').code == 12034	assert os.read_file(os.join_path(dir, 'file.txt'))! == 'unsaved\n'2035	assert run_pty_home(dir, home, ['Y'], 'revert').code == 02036	assert os.read_file(os.join_path(dir, 'file.txt'))! == 'new\n'2037}20382039fn test_events_only_sync_requires_consent_and_noop_does_not() {2040	base := temp_repo('event-consent')2041	home := temp_repo('event-consent-home')2042	defer {2043		os.rmdir_all(base) or {}2044		os.rmdir_all(home) or {}2045	}2046	a := os.join_path(base, 'A', 'proj')2047	parent := os.join_path(base, 'B')2048	os.mkdir_all(a)!2049	os.mkdir_all(parent)!2050	assert run_home(a, home, 'init').code == 02051	assert run_home(a, home, 'remote', 'folder', os.join_path(base, 'remote')).code == 02052	write(a, 'secret.txt', 'secret')2053	assert run_home(a, home, 'save', 'base').code == 02054	assert run_home(parent, home, 'steal', 'proj').code == 02055	b := os.join_path(parent, 'proj')2056	assert run_home(b, home, 'steal').code == 02057	assert run_home(b, home, 'offer').code == 02058	assert run_pty_home(a, home, ['y', 'secret.txt'], 'strip', 'secret.txt').code == 02059	before := run_home(b, home, 'view', '--json').out2060	assert run_home(b, home, 'steal', '--json').code == 12061	assert run_pty_home(b, home, [''], 'steal').code == 12062	assert run_home(b, home, 'view', '--json').out == before2063	store := storage.open(b)!2064	held := store.db.prepare("SELECT COUNT(*) FROM save_files WHERE path = 'secret.txt'")!2065	assert held.step()!2066	assert held.int(0) > 02067	held.finalize()2068	store.close()2069	assert run_home(b, home, 'steal', '--yes').code == 02070	checked := storage.open(b)!2071	removed := checked.db.prepare("SELECT COUNT(*) FROM save_files WHERE path = 'secret.txt'")!2072	assert removed.step()!2073	assert removed.int(0) == 02074	removed.finalize()2075	checked.close()2076}20772078fn test_doctor_reports_corruption_restores_and_dirty_work_in_one_document() {2079	repo := temp_repo('doctor-health')2080	init_repo(repo)2081	write(repo, 'app', 'original')2082	assert run(repo, 'save', 'baseline').code == 02083	write(repo, 'app', 'unsaved work')2084	ordinary := run(repo, 'doctor', '--json')2085	assert ordinary.code == 02086	assert ordinary.out.contains('"health":"healthy"')2087	assert ordinary.out.contains('"modified":["app"]')2088	assert ordinary.out.contains('"line_saves":1')2089	assert ordinary.out.contains('"scope":')2090	store := storage.open(repo)!2091	store.db.exec('UPDATE objects SET size = size + 1')!2092	store.set_state('restoring', 'yes')!2093	store.close()2094	broken := run(repo, 'doctor', '--json')2095	assert broken.code == 12096	assert broken.out.contains('"health":"unhealthy"')2097	assert broken.out.contains('stored size does not match')2098	assert broken.out.contains('"restore_unfinished":true')2099	assert broken.out.contains('"checks":')2100	assert broken.out.contains('"root":')2101	assert run(repo, 'doctor', 'unexpected').code == 22102}21032104fn test_doctor_checks_the_remote_by_default_and_offline_explicitly_skips_it() {2105	repo := temp_repo('doctor-remote')2106	home := temp_repo('doctor-remote-home')2107	bucket := temp_repo('doctor-remote-bucket')2108	assert run_home(repo, home, 'remote', 'folder', bucket).code == 02109	assert run_home(repo, home, 'init').code == 02110	write(repo, 'app', 'original')2111	assert run_home(repo, home, 'save', 'baseline').code == 02112	before := run_home(repo, home, 'view', '--json').out2113	healthy := run_home(repo, home, 'doctor', '--json')2114	assert healthy.code == 02115	assert healthy.out.contains('remote history, events and objects')2116	assert healthy.out.contains('"remote_saves":1')2117	assert run_home(repo, home, 'view', '--json').out == before2118	store := storage.open(repo)!2119	name := store.state('remote_repo') or { panic('missing remote repo') }2120	store.close()2121	os.write_file(os.join_path(bucket, name, 'objects', storage.hash_hex('original'.bytes())),2122		'corrupt')!2123	bad := run_home(repo, home, 'doctor', '--json')2124	assert bad.code == 12125	assert bad.out.contains('damaged remote object')2126	assert bad.out.contains('"name":"SQLite integrity","status":"pass"')2127	offline := run_home(repo, home, 'doctor', '--offline', '--json')2128	assert offline.code == 02129	assert offline.out.contains('--offline requested')2130	assert offline.out.contains('"status":"skipped"')2131	fast := run_home(repo, home, 'doctor', '--fast', '--json')2132	assert fast.code == 02133	assert fast.out.contains('--fast requested')2134}21352136fn test_doctor_returns_a_report_when_the_database_cannot_be_opened() {2137	repo := temp_repo('doctor-unreadable')2138	init_repo(repo)2139	os.write_file(os.join_path(repo, '.koh'), 'not a SQLite database')!2140	result := run(repo, 'doctor', '--json')2141	assert result.code == 12142	assert result.out.contains('"health":"unhealthy"')2143	assert result.out.contains('"metadata_available":false')2144	assert result.out.contains('"name":"database open","status":"fail"')2145	assert result.out.contains('further checks could not run')2146	assert result.err == ''2147}