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	defer {538		os.rmdir_all(dir) or {}539		os.rmdir_all(fresh) or {}540		os.rmdir_all(old) or {}541	}542	init_repo(dir)543	write(dir, 'a.txt', 'one\n')544	assert run(dir, 'save', 'one').code == 0545	os.mkdir_all(fresh) or { panic(err) }546	os.mkdir_all(old) or { panic(err) }547	two_days_ago := time.now().unix() - 2 * 86400548	os.utime(old, two_days_ago, two_days_ago) or { panic(err) }549	assert run(dir, 'doctor', '--json').code == 0550	assert os.exists(fresh)551	assert !os.exists(old)552}553554// A file saved long ago and ignored since holds work no save has. Loading the555// old save must not write over it; the document says a restore never touches556// ignored files.557fn test_a_restore_never_overwrites_an_ignored_file() {558	dir := temp_repo('ignored-restore')559	defer { os.rmdir_all(dir) or {} }560	init_repo(dir)561	write(dir, '.env', 'KEY=saved long ago\n')562	first := run(dir, 'save', 'with env', '--json').out.all_after('"id":"')[..12]563	write(dir, '.kohignore', '.env\n')564	assert run(dir, 'save', 'ignore env').code == 0565	write(dir, '.env', 'KEY=never saved\n')566	assert run(dir, 'load', first, '--yes').code == 0567	assert os.read_file(os.join_path(dir, '.env'))! == 'KEY=never saved\n'568569	// Where the ignored file is missing, the restore still brings it back.570	other := temp_repo('ignored-restore-missing')571	defer { os.rmdir_all(other) or {} }572	init_repo(other)573	write(other, '.env', 'KEY=saved long ago\n')574	again := run(other, 'save', 'with env', '--json').out.all_after('"id":"')[..12]575	write(other, '.kohignore', '.env\n')576	assert run(other, 'save', 'ignore env').code == 0577	os.rm(os.join_path(other, '.env')) or { panic(err) }578	assert run(other, 'load', again, '--yes').code == 0579	assert os.read_file(os.join_path(other, '.env'))! == 'KEY=saved long ago\n'580}581582// A going-back preview lists paths only. Running diff(1) per file to draw it583// cost 27 s for 5,000 changed files, so it must not run diff at all.584fn test_a_going_back_preview_does_not_run_diff() {585	dir := temp_repo('preview-nodiff')586	home := temp_repo('preview-nodiff-home')587	defer {588		os.rmdir_all(dir) or {}589		os.rmdir_all(home) or {}590	}591	init_repo(dir)592	write(dir, 'a.txt', 'one\n')593	assert run_home(dir, home, 'save', 'one').code == 0594	write(dir, 'a.txt', 'two\n')595	assert run_home(dir, home, 'save', 'two').code == 0596	fake := os.join_path(home, 'bin')597	os.mkdir_all(fake) or { panic(err) }598	marker := os.join_path(home, 'diff-ran')599	os.write_file(os.join_path(fake, 'diff'), '#!/bin/sh\ntouch ${q(marker)}\nexit 2\n') or {600		panic(err)601	}602	os.chmod(os.join_path(fake, 'diff'), 0o755) or { panic(err) }603	assert run_home_with_path(dir, home, fake, 'undo', '--yes').code == 0604	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'one\n'605	assert !os.exists(marker)606}607608// A restore rewrites only what differs. Rewriting every file resets every609// mtime, so the next status has to hash the whole tree again.610fn test_a_restore_leaves_unchanged_files_alone() {611	dir := temp_repo('restore-skip')612	defer { os.rmdir_all(dir) or {} }613	init_repo(dir)614	write(dir, 'a.txt', 'one\n')615	write(dir, 'same.txt', 'never changes\n')616	assert run(dir, 'save', 'one').code == 0617	write(dir, 'a.txt', 'two\n')618	assert run(dir, 'save', 'two').code == 0619	long_ago := i64(1700000000)620	os.utime(os.join_path(dir, 'same.txt'), long_ago, long_ago) or { panic(err) }621	assert run(dir, 'undo', '--yes').code == 0622	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'one\n'623	assert os.file_last_mod_unix(os.join_path(dir, 'same.txt')) == long_ago624}625626// `save` records the executable bit, so `status` has to see it too, or a627// chmod would be invisible until it turned up in a save.628fn test_status_sees_an_executable_bit_change() {629	dir := temp_repo('chmod')630	defer { os.rmdir_all(dir) or {} }631	init_repo(dir)632	write(dir, 'run.sh', 'echo hi\n')633	assert run(dir, 'save', 'script').code == 0634	os.chmod(os.join_path(dir, 'run.sh'), 0o755) or { panic(err) }635	status := run(dir, 'status', '--json')636	assert status.out.contains('"dirty":true')637	assert status.out.contains('"modified":["run.sh"]')638}639640fn test_view_and_diff() {641	dir := temp_repo('history')642	defer { os.rmdir_all(dir) or {} }643	init_repo(dir)644	write(dir, 'a.txt', 'one\n')645	first := run(dir, 'save', 'one', '--session', 'alpha', '--json')646	id1 := first.out.all_after('"id":"')[..12]647	write(dir, 'a.txt', 'two\n')648	second := run(dir, 'save', 'two', '--session', 'beta', '--json')649	id2 := second.out.all_after('"id":"')[..12]650	cp := run(dir, 'checkpoint', 'checkpoint', '--json')651	assert cp.code == 0652	printed := run(dir, 'view')653	assert printed.code == 0654	assert printed.out.contains('▸')655	assert printed.out.contains('◐')656	lj := run(dir, 'view', '--json')657	assert lj.code == 0658	assert lj.out.contains('"head_id"')659	assert lj.out.contains('"saves"')660	assert run(dir, 'view', '--since', 'today').out.contains('two')661	session := run(dir, 'view', '--session', 'alpha')662	assert session.out.contains('one')663	assert !session.out.contains('two')664	assert run(dir, 'view', '--since', '9999-01-01').out.contains('no saves in that range')665	write(dir, 'a.txt', 'three\n')666	d := run(dir, 'diff')667	assert d.code == 0668	assert d.out.contains('--- a/')669	assert d.out.contains('+++ b/')670	assert run(dir, 'diff', id1).code == 0671	assert run(dir, 'diff', id1, id2).code == 0672	dj := run(dir, 'diff', '--json')673	assert dj.code == 0674	assert dj.out.contains('"from"')675	assert dj.out.contains('"to"')676	assert dj.out.contains('"files"')677	assert dj.out.contains('"change":"modified"')678	assert run(dir, 'diff', 'not-a-real-id').code == 1679	assert run(dir, 'diff', id1, id2, 'third').code == 1680	write(dir, 'blob.bin', '\x00\x01\x02')681	diff_binary := run(dir, 'diff', '--json')682	assert diff_binary.out.contains('"binary":true')683	assert diff_binary.out.contains('Binary files differ')684}685686fn test_undo_revert_and_load() {687	dir := temp_repo('restore')688	defer { os.rmdir_all(dir) or {} }689	init_repo(dir)690	write(dir, 'a.txt', 'one\n')691	one := run(dir, 'save', 'one', '--json').out692	id1 := one.all_after('"id":"')[..12]693	write(dir, 'a.txt', 'two\n')694	write(dir, 'gone.txt', 'gone\n')695	second := run(dir, 'save', 'two', '--json').out696	id2 := second.all_after('"id":"')[..12]697	write(dir, 'a.txt', 'three\n')698	third := run(dir, 'save', 'three', '--json').out699	id3 := third.all_after('"id":"')[..12]700	// Unsaved work — here a file never saved — blocks every going-back but701	// revert, as in Koh 2: a restore must never overwrite what only the disk has.702	write(dir, 'never.txt', 'keep me\n')703	view_before := run(dir, 'view').out704	for args in [['undo', '--yes'], ['load', id1, '--yes'], ['pluck', id2, '--yes']] {705		blocked := run(dir, ...args)706		assert blocked.code == 1707		assert blocked.err.contains('unsaved changes')708	}709	assert run(dir, 'view').out == view_before710	os.rm(os.join_path(dir, 'never.txt')) or { panic(err) }711	write(dir, 'a.txt', 'edited, never saved\n')712	assert run(dir, 'undo', '--yes').err.contains('unsaved changes')713	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'edited, never saved\n'714	write(dir, 'a.txt', 'three\n')715	os.rm(os.join_path(dir, 'gone.txt')) or { panic(err) }716	assert run(dir, 'load', id1, '--yes').err.contains('unsaved changes')717	write(dir, 'gone.txt', 'gone\n')718	undo := run(dir, 'undo', '--yes', '--json')719	assert undo.code == 0720	if !undo.out.contains(id2) {721		panic('undo JSON did not name ${id2}: ${undo.out}')722	}723	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'two\n'724	assert os.exists(os.join_path(dir, 'gone.txt'))725	assert run(dir, 'load', id3, '--yes').code == 0726	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'three\n'727	assert run(dir, 'undo', '2', '--yes').code == 0728	assert run(dir, 'load', id2, '--yes').code == 0729	assert run(dir, 'undo', '99', '--yes').err.contains('nothing before')730	write(dir, 'a.txt', 'dirty\n')731	before := run(dir, 'view')732	refuse := run(dir, 'revert')733	assert refuse.code == 1734	assert refuse.err.contains('needs --yes when not interactive')735	assert run(dir, 'view').out == before.out736	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'dirty\n'737	write(dir, 'untracked.txt', 'remove\n')738	rv := run(dir, 'revert', '--yes', '--json')739	assert rv.code == 0740	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'two\n'741	assert !os.exists(os.join_path(dir, 'untracked.txt'))742	// The way back to the discarded work is named, not left to be found.743	kept := rv.out.all_after('"checkpoint":"')[..12]744	assert run(dir, 'load', kept, '--yes').code == 0745	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'dirty\n'746	assert os.read_file(os.join_path(dir, 'untracked.txt'))! == 'remove\n'747	write(dir, 'a.txt', 'dirty again\n')748	assert run(dir, 'revert', '--yes').out.contains('koh load ')749	assert run(dir, 'revert', '--yes').out.contains('working tree already matches')750	assert run(dir, 'load', '--checkpoint', '--yes').code == 0751	assert run(dir, 'load', id2, '--json').code == 1752	assert run(dir, 'load', id2, '--json').err.contains('error')753	assert run(dir, 'load').code == 2754	assert run(dir, 'load', 'unknown-id', '--yes').code == 1755}756757fn test_flag_and_flagged_view() {758	dir := temp_repo('flag')759	defer { os.rmdir_all(dir) or {} }760	init_repo(dir)761	write(dir, 'flag.txt', 'one\n')762	saved := run(dir, 'save', 'flag me', '--json')763	id := saved.out.all_after('"id":"')[..12]764	flagged := run(dir, 'flag', id, '--reason', 'unsafe', '--json')765	assert flagged.code == 0766	assert flagged.out.contains('"flagged":true')767	assert flagged.out.contains('"reason":"unsafe"')768	list := run(dir, 'flag', '--json')769	assert list.code == 0770	assert list.out.contains(id)771	assert list.out.contains('unsafe')772	assert run(dir, 'view').out.contains('⚑')773	assert run(dir, 'flag', '--clear', id).code == 0774	assert run(dir, 'flag').out.contains('nothing is flagged')775	assert run(dir, 'flag', 'unknown-id').code == 1776	assert run(dir, 'flag').code == 0777}778779fn test_pluck_forward_reverse_dry_run_and_conflict() {780	dir := temp_repo('pluck')781	defer { os.rmdir_all(dir) or {} }782	init_repo(dir)783	write(dir, 'a.txt', 'one\n')784	first := run(dir, 'save', 'one', '--json').out785	id1 := first.all_after('"id":"')[..12]786	write(dir, 'a.txt', 'two\n')787	second := run(dir, 'save', 'two', '--json').out788	id2 := second.all_after('"id":"')[..12]789	assert run(dir, 'load', id1, '--yes').code == 0790	dry := run(dir, 'pluck', id2, '--dry-run')791	assert dry.code == 0792	assert dry.out.contains('a.txt')793	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'one\n'794	assert run(dir, 'pluck', id2, '--yes').code == 0795	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'two\n'796	assert run(dir, 'pluck', '--reverse', id2, '--yes').code == 0797	assert os.read_file(os.join_path(dir, 'a.txt'))! == 'one\n'798	write(dir, 'a.txt', 'different\n')799	assert run(dir, 'pluck', id2, '--dry-run').code == 1800	assert run(dir, 'save', 'different').code == 0801	conflict := run(dir, 'pluck', id2, '--yes')802	assert conflict.code == 1803	assert conflict.err.contains('a.txt')804	assert run(dir, 'pluck').code == 2805	assert run(dir, 'pluck', 'unknown-id').code == 1806}807808fn test_peek_and_doctor() {809	dir := temp_repo('peek-doctor')810	defer { os.rmdir_all(dir) or {} }811	init_repo(dir)812	write(dir, 'peek.txt', 'peek me\n')813	assert run(dir, 'save', 'peekable').code == 0814	id := run(dir, 'view', '--json').out.all_after('"id":"')[..12]815	before_view := run(dir, 'view', '--json').out816	peek := run(dir, 'peek', id, '--json')817	assert peek.code == 0818	peek_path := peek.out.all_after('"path":"').before('"')819	assert peek.out.contains('"id":"${id}"')820	assert os.read_file(os.join_path(peek_path, 'peek.txt'))! == 'peek me\n'821	assert run(dir, 'status').out.contains('no changes')822	assert run(dir, 'view', '--json').out == before_view823	assert run(dir, 'peek').code == 2824	assert run(dir, 'peek', 'unknown-id').code == 1825	backup := os.join_path(dir, 'doctor.backup')826	healthy := run(dir, 'doctor')827	assert healthy.code == 0828	assert healthy.out.contains('is sound')829	report := run(dir, 'doctor', '--json')830	assert report.code == 0831	for key in ['problems', 'objects', 'saves', 'checkpoints', 'cached_files', 'peek_folders_removed',832		'backup'] {833		read_json_has(report.out, key)834	}835	backed := run(dir, 'doctor', '--backup', backup)836	assert backed.code == 0837	assert os.exists(backup)838	assert backed.out.contains(backup)839	assert run(dir, 'doctor', '--backup', backup).code == 1840	assert run(dir, 'peek', id, '--json').code == 0841	// A peek made today is left for whoever is reading it.842	kept := run(dir, 'doctor', '--json')843	assert kept.code == 0844	assert os.exists(peek_path)845	os.rmdir_all(peek_path) or {}846}847848fn test_strip_refuses_without_terminal() {849	dir := temp_repo('strip')850	defer { os.rmdir_all(dir) or {} }851	init_repo(dir)852	write(dir, 'secret.txt', 'keep\n')853	assert run(dir, 'save', 'secret').code == 0854	before_view := run(dir, 'view', '--json').out855	refused := run(dir, 'strip', 'secret.txt')856	assert refused.code == 1857	assert refused.err.contains('needs a terminal')858	assert run(dir, 'view', '--json').out == before_view859	assert os.read_file(os.join_path(dir, 'secret.txt'))! == 'keep\n'860	assert run(dir, 'view', '--json').out.contains('secret')861}862863// A whole-history strip bans the path: `.kohignore` names it, once, and the file left on disk864// is never unsaved work or part of a save again.865fn test_strip_adds_the_path_to_kohignore_and_it_stays_out() {866	dir := temp_repo('strip-ignore')867	home := temp_repo('strip-ignore-home')868	defer { os.rmdir_all(dir) or {} }869	defer { os.rmdir_all(home) or {} }870	init_repo(dir)871	write(dir, 'secret.txt', 'leaked\n')872	write(dir, 'keep.txt', 'fine\n')873	assert run_home(dir, home, 'save', 'leak').code == 0874	stripped := run_pty_home(dir, home, ['y', 'secret.txt'], 'strip', 'secret.txt')875	assert stripped.code == 0, stripped.out876	assert stripped.out.contains('added /secret.txt to .kohignore')877	ignore_path := os.join_path(dir, '.kohignore')878	assert os.read_file(ignore_path)!.split_into_lines().filter(it == '/secret.txt').len == 1879	assert run_home(dir, home, 'save', 'ignore the stripped secret').code == 0880	write(dir, 'secret.txt', 'leaked again\n')881	assert run_home(dir, home, 'status', '--json').out.contains('"dirty":false')882	// Running the strip again (with no remote, it stays pending) adds no second line.883	again := run_pty_home(dir, home, [], 'strip', 'secret.txt')884	assert again.code == 0, again.out885	assert os.read_file(ignore_path)!.split_into_lines().filter(it == '/secret.txt').len == 1886}887888// `koh view` is the one way into the history: the whole line by default,889// checkpoints alone with the flag, and the two lists never overlap.890fn test_view_shows_the_line_and_checkpoints_apart() {891	dir := temp_repo('view')892	defer { os.rmdir_all(dir) or {} }893	init_repo(dir)894	write(dir, 'view.txt', 'one\n')895	assert run(dir, 'save', 'plain save').code == 0896	assert run(dir, 'checkpoint', 'checkpoint save').code == 0897	line := run(dir, 'view')898	assert line.code == 0899	assert line.out.contains('plain save')900	assert line.out.contains('checkpoint save')901	checkpoints := run(dir, 'view', '--checkpoints')902	assert checkpoints.code == 0903	assert checkpoints.out.contains('checkpoint save')904	assert !checkpoints.out.contains('plain save')905	json_line := run(dir, 'view', '--json')906	assert json_line.code == 0907	assert json_line.out.contains('"is_checkpoint":false')908	assert json_line.out.contains('"is_checkpoint":true')909	json_checkpoints := run(dir, 'view', '--checkpoints', '--json')910	assert json_checkpoints.code == 0911	assert json_checkpoints.out.contains('"is_checkpoint":true')912	assert !json_checkpoints.out.contains('"is_checkpoint":false')913	// `view` takes no arguments, so a stray one is a usage error, and the names914	// it replaced are gone rather than hidden: the diagnostic says which.915	assert run(dir, 'view', 'extra').code == 2916	for gone in ['log', 'saves', 'checkpoints'] {917		refused := run(dir, gone)918		assert refused.code == 2919		assert refused.err.contains('unknown command "${gone}"')920	}921	// Every save is on the whole line exactly once, as the JSON says.922	assert line.out.split_into_lines().len == json_line.out.count('"id":"')923}924925fn test_remote_configuration_is_isolated_and_atomic() {926	dir := temp_repo('remote')927	home := temp_repo('remote-home')928	defer {929		os.rmdir_all(dir) or {}930		os.rmdir_all(home) or {}931	}932	empty := run_home(dir, home, 'remote', '--json')933	assert empty.code == 0934	assert empty.out.contains('"configured":false')935	target := os.join_path(home, 'remote-store')936	set := run_home(dir, home, 'remote', 'folder', target)937	assert set.code == 0938	assert os.is_dir(target)939	state := run_home(dir, home, 'remote', '--json')940	assert state.code == 0941	assert state.out.contains('"kind":"folder"')942	assert state.out.contains(target)943	assert run_home(dir, home, 'remote', 's3', 'http://127.0.0.1:1', 'bucket', 'region').code == 1944	assert run_home(dir, home, 'remote', '--json').out.contains(target)945	assert run_home(dir, home, 'remote', 's3', 'http://127.0.0.1:1', 'bucket', 'region').err.contains('KOH_ACCESS_KEY')946	assert run_home(dir, home, 'remote', '--forget').code == 0947	assert run_home(dir, home, 'remote', '--json').out.contains('"configured":false')948}949950// The files under ~/.config/koh can be written by hand instead of by951// `koh remote`, and are then read the same way.952fn test_remote_written_by_hand() {953	dir := temp_repo('remote-by-hand')954	home := temp_repo('remote-by-hand-home')955	defer {956		os.rmdir_all(dir) or {}957		os.rmdir_all(home) or {}958	}959	config := os.join_path(home, '.config', 'koh')960	os.mkdir_all(config) or { panic(err) }961	target := os.join_path(home, 'remote-store')962	os.mkdir_all(target) or { panic(err) }963	os.write_file(os.join_path(config, 'remote'), 'kind = folder\npath = ${target}\n') or {964		panic(err)965	}966	assert run_home(dir, home, 'init').code == 0967	os.write_file(os.join_path(dir, 'a.txt'), 'a\n') or { panic(err) }968	assert run_home(dir, home, 'save', 'first').code == 0969	offered := run_home(dir, home, 'offer', '--json')970	assert offered.code == 0971	assert offered.out.contains('"head"')972973	// Keys anyone else can read are refused before they are ever sent.974	os.write_file(os.join_path(config, 'remote'), 'kind=s3\nendpoint=http://127.0.0.1:1\nbucket=b\nregion=r\n') or {975		panic(err)976	}977	credentials := os.join_path(config, 'credentials')978	os.write_file(credentials, 'access_key=AK\nsecret_key=SK\n') or { panic(err) }979	os.chmod(credentials, 0o644) or { panic(err) }980	loose := run_home(dir, home, 'offer')981	assert loose.code == 1982	assert loose.err.contains('chmod 600')983984	// A setting koh cannot read is replaced by setting the remote again.985	os.write_file(os.join_path(config, 'remote'), 'kind=ftp\n') or { panic(err) }986	unreadable := run_home(dir, home, 'offer')987	assert unreadable.code == 1988	assert unreadable.err.contains('not readable')989	assert run_home(dir, home, 'remote', 'folder', target).code == 0990	assert run_home(dir, home, 'offer').code == 0991}992993// A stolen repo belongs to the repo it was stolen from, whatever its folder is994// called later: renaming it must not start a second repo on the remote.995fn test_a_renamed_stolen_repo_keeps_offering_to_its_repo() {996	syncroot := temp_repo('rename-steal')997	home := temp_repo('rename-steal-home')998	defer {999		os.rmdir_all(syncroot) or {}1000		os.rmdir_all(home) or {}1001	}1002	remote := os.join_path(syncroot, 'remote')1003	a := os.join_path(syncroot, 'A', 'proj')1004	b_parent := os.join_path(syncroot, 'B')1005	os.mkdir_all(a) or { panic(err) }1006	os.mkdir_all(b_parent) or { panic(err) }1007	init_repo(a)1008	write(a, 'a.txt', 'from A\n')1009	assert run_home(a, home, 'remote', 'folder', remote).code == 01010	assert run_home(a, home, 'save', 'A first').code == 01011	assert run_home(b_parent, home, 'steal', 'proj').code == 01012	renamed := os.join_path(b_parent, 'renamed')1013	os.mv(os.join_path(b_parent, 'proj'), renamed) or { panic(err) }1014	write(renamed, 'b.txt', 'from B\n')1015	assert run_home(renamed, home, 'save', 'B first').code == 01016	assert !os.exists(os.join_path(remote, 'renamed'))1017	assert run_home(a, home, 'steal').code == 01018	assert os.read_file(os.join_path(a, 'b.txt'))! == 'from B\n'1019}10201021// A damaged object on the remote stops a steal, names the object, and leaves1022// no half-made folder that would make the retry refuse.1023fn test_steal_of_a_damaged_remote_leaves_nothing() {1024	syncroot := temp_repo('damaged')1025	home := temp_repo('damaged-home')1026	defer {1027		os.rmdir_all(syncroot) or {}1028		os.rmdir_all(home) or {}1029	}1030	remote := os.join_path(syncroot, 'remote')1031	a := os.join_path(syncroot, 'A', 'proj')1032	b_parent := os.join_path(syncroot, 'B')1033	os.mkdir_all(a) or { panic(err) }1034	os.mkdir_all(b_parent) or { panic(err) }1035	init_repo(a)1036	write(a, 'a.txt', 'from A\n')1037	assert run_home(a, home, 'remote', 'folder', remote).code == 01038	assert run_home(a, home, 'save', 'A first').code == 01039	objects := os.join_path(remote, 'proj', 'objects')1040	for name in os.ls(objects) or { panic(err) } {1041		os.chmod(os.join_path(objects, name), 0o644) or {}1042		os.write_file(os.join_path(objects, name), 'junk') or { panic(err) }1043	}1044	stolen := run_home(b_parent, home, 'steal', 'proj')1045	assert stolen.code == 11046	assert stolen.err.contains('is damaged')1047	assert !os.exists(os.join_path(b_parent, 'proj'))1048}10491050fn test_steal_drops_crafted_unsafe_paths_and_lands_the_rest() {1051	syncroot := temp_repo('unsafe-remote')1052	home := temp_repo('unsafe-remote-home')1053	defer {1054		os.rmdir_all(syncroot) or {}1055		os.rmdir_all(home) or {}1056	}1057	remote := os.join_path(syncroot, 'remote')1058	a := os.join_path(syncroot, 'A', 'proj')1059	b_parent := os.join_path(syncroot, 'B')1060	os.mkdir_all(a) or { panic(err) }1061	os.mkdir_all(b_parent) or { panic(err) }1062	init_repo(a)1063	write(a, 'safe.txt', 'safe\n')1064	assert run_home(a, home, 'remote', 'folder', remote).code == 01065	id := run_home(a, home, 'save', 'crafted', '--json').out.all_after('"id":"')[..12]1066	assert run_home(a, home, 'offer').code == 01067	record_path := os.join_path(remote, 'proj', 'saves', id)1068	record := os.read_file(record_path) or { panic(err) }1069	path_at := record.index('"path":"safe.txt"') or { panic('safe path missing from ${record}') }1070	file_start := record[..path_at].last_index('{') or { panic('safe file start missing') }1071	file_end := path_at + (record[path_at..].index('}') or { panic('safe file end missing') }) + 11072	file := record[file_start..file_end]1073	mut files := [file]1074	for path in ['../outside.txt', '/etc/koh-test', 'a/../../outside.txt', 'bad\\\\name',1075		'control\\rname'] {1076		files << file.replace('safe.txt', path)1077	}1078	os.write_file(record_path, record[..file_start] + files.join(',') + record[file_end..]) or {1079		panic(err)1080	}10811082	stolen := run_home(b_parent, home, 'steal', 'proj')1083	assert stolen.code == 0, stolen.err1084	for dropped in ['../outside.txt', 'bad\\\\name', 'control\\x0dname'] {1085		assert (stolen.out + stolen.err).contains('dropped unsafe path ${dropped}'), stolen.out + stolen.err1086	}1087	assert os.read_file(os.join_path(b_parent, 'proj', 'safe.txt'))! == 'safe\n'1088	assert !os.exists(os.join_path(b_parent, 'outside.txt'))1089	assert !os.exists(os.join_path(b_parent, 'proj', 'bad', 'name'))1090	assert !os.exists('${b_parent}/proj/control\rname')1091}10921093fn test_offer_steal_folder_remote() {1094	syncroot := temp_repo('sync')1095	home := temp_repo('sync-home')1096	defer {1097		os.rmdir_all(syncroot) or {}1098		os.rmdir_all(home) or {}1099	}1100	remote := os.join_path(syncroot, 'remote')1101	a := os.join_path(syncroot, 'A', 'proj')1102	b_parent := os.join_path(syncroot, 'B')1103	os.mkdir_all(a) or { panic(err) }1104	os.mkdir_all(b_parent) or { panic(err) }1105	init_repo(a)1106	write(a, 'a.txt', 'from A\n')1107	assert run_home(a, home, 'remote', 'folder', remote).code == 01108	assert run_home(a, home, 'save', 'A first').code == 01109	stolen := run_home(b_parent, home, 'steal', 'proj')1110	assert stolen.code == 01111	b := os.join_path(b_parent, 'proj')1112	assert os.read_file(os.join_path(b, 'a.txt'))! == 'from A\n'1113	write(b, 'b.txt', 'from B\n')1114	assert run_home(b, home, 'save', 'B first').code == 01115	write(a, 'a2.txt', 'second\n')1116	assert run_home(a, home, 'save', 'A second').code == 01117	assert run_home(a, home, 'steal').code == 01118	assert os.exists(os.join_path(a, 'b.txt'))1119	assert run_home(b_parent, home, 'steal', '--list').out.contains('proj')1120	// Kepr keeps its own files in the same remote; a folder without a `head` is no repo.1121	os.mkdir_all(os.join_path(remote, '.kepr', 'media', 'proj')) or { panic(err) }1122	os.write_file(os.join_path(remote, '.kepr', 'media', 'proj', 'a.png'), 'png') or { panic(err) }1123	assert run_home(b_parent, home, 'steal', '--list', '--json').out.contains('"repos":["proj"]')1124	write(a, 'clash.txt', 'base\n')1125	assert run_home(a, home, 'save', 'clash base').code == 01126	assert run_home(b, home, 'steal').code == 01127	write(a, 'clash.txt', 'A version\n')1128	assert run_home(a, home, 'save', 'A clash').code == 01129	write(b, 'clash.txt', 'B version\n')1130	assert run_home(b, home, 'save', 'B clash').code == 01131	refused := run_home(b, home, 'steal')1132	assert refused.code == 11133	assert refused.err.contains('--mine') || refused.err.contains('--theirs')1134	b_head := run_home(b, home, 'status', '--json').out.all_after('"head_id":"')[..12]1135	theirs := run_home(b, home, 'steal', '--theirs', '--json')1136	assert theirs.code == 01137	// The pre-combine tree is off the line now; the way back must be named,1138	// or an agent without the history view cannot find it.1139	assert theirs.out.contains('"previous_head":"${b_head}"')1140	assert theirs.out.contains('"kept_versions":["clash.txt:${b_head}"]')1141	assert os.read_file(os.join_path(b, 'clash.txt'))! == 'A version\n'1142	assert run_home(b, home, 'load', b_head, '--yes').code == 01143	assert os.read_file(os.join_path(b, 'clash.txt'))! == 'B version\n'1144	assert run_home(b, home, 'load', theirs.out.all_after('"head":"')[..12], '--yes').code == 01145	assert os.read_file(os.join_path(b, 'clash.txt'))! == 'A version\n'1146	write(a, 'clash.txt', 'A second\n')1147	assert run_home(a, home, 'save', 'A second clash').code == 01148	write(b, 'clash.txt', 'B second\n')1149	assert run_home(b, home, 'save', 'B second clash').code == 01150	assert run_home(b, home, 'steal', '--mine').code == 01151	assert os.read_file(os.join_path(b, 'clash.txt'))! == 'B second\n'1152	assert run_home(b, home, 'view').out.contains('combine: kept mine for')1153}11541155fn test_guided_steal_walks_the_terminal_and_can_cancel() {1156	syncroot := temp_repo('guided-steal')1157	home := temp_repo('guided-steal-home')1158	defer {1159		os.rmdir_all(syncroot) or {}1160		os.rmdir_all(home) or {}1161	}1162	remote := os.join_path(syncroot, 'remote')1163	a := os.join_path(syncroot, 'A', 'proj')1164	b_parent := os.join_path(syncroot, 'B')1165	os.mkdir_all(a) or { panic(err) }1166	os.mkdir_all(b_parent) or { panic(err) }1167	init_repo(a)1168	write(a, 'clash.txt', 'base\n')1169	write(a, 'other.txt', 'base\n')1170	write(a, 'same.txt', 'base\n')1171	write(a, 'remote-only.txt', 'base\n')1172	write(a, 'local-only.txt', 'base\n')1173	assert run_home(a, home, 'remote', 'folder', remote).code == 01174	assert run_home(a, home, 'save', 'base').code == 01175	fetched := run_home(b_parent, home, 'steal', 'proj')1176	assert fetched.code == 01177	assert fetched.out.contains('1 save at'), fetched.out1178	b := os.join_path(b_parent, 'proj')11791180	write(b, 'dirty.txt', 'mine\n')1181	before := run_home(b, home, 'status', '--json').out1182	quit := run_pty_home(b, home, ['q'], 'steal')1183	assert quit.out.contains('steal proj')1184	assert quit.out.contains('you have 1 unsaved file')1185	assert quit.out.contains('dirty.txt')1186	assert run_home(b, home, 'status', '--json').out == before1187	// A save needs a message; an empty one stops, says so, and saves nothing.1188	unsaid := run_pty_home(b, home, ['s', ''], 'steal')1189	assert unsaid.code == 11190	assert unsaid.out.contains('no message — nothing was saved')1191	assert run_home(b, home, 'status', '--json').out == before1192	checkpoint := run_pty_home(b, home, ['c'], 'steal')1193	assert checkpoint.code == 0, checkpoint.err1194	assert run_home(b, home, 'view', '--checkpoints').out.contains('before steal')11951196	assert run_home(a, home, 'steal').code == 01197	write(a, 'forward.txt', 'new\n')1198	assert run_home(a, home, 'save', 'fast forward').code == 01199	forward := run_pty_home(b, home, []string{}, 'steal')1200	assert forward.out.contains('proj is up to date · 1 new save')1201	assert shown(forward.out).len == 1, forward.out1202	write(a, 'clash.txt', 'remote\n')1203	write(a, 'other.txt', 'remote\n')1204	write(a, 'same.txt', 'identical\n')1205	write(a, 'remote-only.txt', 'remote\n')1206	assert run_home(a, home, 'save', 'remote change').code == 01207	write(b, 'clash.txt', 'mine\n')1208	write(b, 'other.txt', 'mine\n')1209	write(b, 'same.txt', 'identical\n')1210	write(b, 'local-only.txt', 'mine\n')1211	assert run_home(b, home, 'save', 'local change').code == 01212	local_head := run_home(b, home, 'status', '--json').out.all_after('"head_id":"')[..12]1213	// `d` opens both changes in the pager, which Enter leaves; `?` explains the two sides.1214	cancel := run_pty_home(b, home, ['d', '', '?', 'm', 'b', 't', 't', 'n'], 'steal')1215	assert cancel.out.contains('your changes')1216	assert cancel.out.contains('remote changes')1217	assert cancel.out.contains('Nothing is lost either way')1218	// The shared save's age, relative: seconds old here, so `now` unless the machine is slow.1219	since := cancel.out.split_into_lines().filter(it.contains('both moved since'))1220	assert since.len == 11221	assert since[0].trim_space().ends_with(' · now') || since[0].trim_space().ends_with(' ago'), since[0]1222	assert cancel.out.contains('5 files changed')1223	assert cancel.out.contains('2 combine by themselves')1224	assert cancel.out.contains('1 changed the same way')1225	assert cancel.out.contains('2 need you')1226	assert cancel.out.contains('ready to combine')1227	assert run_home(b, home, 'status', '--json').out.contains('"head_id":"${local_head}"')1228	assert os.read_file(os.join_path(b, 'clash.txt'))! == 'mine\n'12291230	done := run_pty_home(b, home, ['y'], 'steal', '--theirs')1231	assert done.out.contains('combined · offered to proj')1232	assert done.out.contains('took theirs: clash.txt · other.txt')1233	assert !done.out.contains('kept mine')1234	assert done.out.contains('to undo all of it: koh load ${local_head}')1235	assert done.out.contains('your clash.txt is in ${local_head}')1236	assert !done.out.contains('\x1b')1237	for line in done.out.split_into_lines() {1238		assert line.runes().len <= 80, line1239	}1240}12411242// A steal brings in the whole history, flags included; both output forms must1243// say which saves came in flagged, and why.1244fn test_a_steal_reports_flagged_saves() {1245	syncroot := temp_repo('steal-flags')1246	home := temp_repo('steal-flags-home')1247	defer {1248		os.rmdir_all(syncroot) or {}1249		os.rmdir_all(home) or {}1250	}1251	a := os.join_path(syncroot, 'A', 'proj')1252	os.mkdir_all(a) or { panic(err) }1253	init_repo(a)1254	assert run_home(a, home, 'remote', 'folder', os.join_path(syncroot, 'remote')).code == 01255	write(a, 'a.txt', 'one\n')1256	id := run_home(a, home, 'save', 'risky', '--json').out.all_after('"id":"')[..12]1257	assert run_home(a, home, 'flag', id, '--reason', 'broke the build').code == 01258	assert run_home(a, home, 'offer').code == 01259	for name in ['B', 'C'] {1260		os.mkdir_all(os.join_path(syncroot, name)) or { panic(err) }1261	}1262	json_stolen := run_home(os.join_path(syncroot, 'B'), home, 'steal', 'proj', '--json')1263	assert json_stolen.code == 01264	assert json_stolen.out.contains('"flagged":["${id}"]')1265	text_stolen := run_home(os.join_path(syncroot, 'C'), home, 'steal', 'proj')1266	assert text_stolen.code == 01267	assert text_stolen.out.contains('[${id}] came in flagged — broke the build')1268}12691270// A folder remote on a disk or share that is not mounted is simply not there.1271// Creating it would put the saves in a stand-in folder the other machine never1272// sees; the offer must say what is wrong instead.1273fn test_an_unmounted_folder_remote_is_not_recreated() {1274	syncroot := temp_repo('unmounted')1275	home := temp_repo('unmounted-home')1276	defer {1277		os.rmdir_all(syncroot) or {}1278		os.rmdir_all(home) or {}1279	}1280	mount := os.join_path(syncroot, 'nas')1281	remote := os.join_path(mount, 'koh')1282	a := os.join_path(syncroot, 'proj')1283	os.mkdir_all(a) or { panic(err) }1284	init_repo(a)1285	assert run_home(a, home, 'remote', 'folder', remote).code == 01286	write(a, 'a.txt', 'one\n')1287	assert run_home(a, home, 'save', 'first').code == 01288	os.rename(mount, os.join_path(syncroot, 'nas-unplugged')) or { panic(err) }1289	os.mkdir(mount) or { panic(err) }1290	offered := run_home(a, home, 'offer')1291	assert offered.code == 11292	assert offered.err.contains('mounted')1293	assert !os.exists(remote)1294	write(a, 'a.txt', 'two\n')1295	saved := run_home(a, home, 'save', 'second')1296	assert saved.code == 01297	assert saved.out.contains('mounted')1298	assert !os.exists(remote)1299}13001301fn test_man_and_koh2_migration_gate() {1302	dir := temp_repo('man')1303	home := temp_repo('man-home')1304	defer {1305		os.rmdir_all(dir) or {}1306		os.rmdir_all(home) or {}1307	}1308	whole := run_home(dir, home, 'man')1309	assert whole.code == 01310	assert whole.out.contains('NAME')1311	assert whole.out.contains('COMMANDS')1312	assert whole.out.contains('STRICT KOH DISCIPLINE')1313	assert whole.out.contains('Asha Software · asha.software')1314	assert !whole.out.contains('\x1b') && !whole.out.contains('◆')1315	strip := run_home(dir, home, 'man', 'strip')1316	assert strip.code == 01317	assert strip.out.contains('strip')1318	assert !strip.out.contains('koh save ')1319	steal := run_home(dir, home, 'man', 'steal').out1320	assert steal.starts_with('    koh steal') && steal.contains('koh steal my-project')1321	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."1322	assert run_home(dir, home, 'man', 'nonsense').code == 21323	legacy := temp_repo('legacy')1324	defer { os.rmdir_all(legacy) or {} }1325	os.mkdir_all(os.join_path(legacy, '.koh')) or { panic(err) }1326	fake := os.join_path(home, 'bin')1327	os.mkdir_all(fake) or { panic(err) }1328	fake_koh := os.join_path(fake, 'koh2')1329	os.write_file(fake_koh, '#!/bin/sh\nprintf "handoff:%s\\n" "$*"\nexit 7\n') or { panic(err) }1330	os.chmod(fake_koh, 0o755) or { panic(err) }1331	for command in ['init', 'save', 'checkpoint', 'status', 'diff', 'undo', 'revert', 'load', 'flag',1332		'pluck', 'peek', 'offer', 'view', 'strip', 'build', 'doctor', 'steal'] {1333		refused := run_home_with_path(legacy, home, fake, command, '--json')1334		assert refused.code == 1, command1335		assert refused.out.trim_space() == '', command1336		assert refused.err.contains('koh migrate'), refused.err1337		assert !refused.err.contains('handing'), refused.err1338		assert os.is_dir(os.join_path(legacy, '.koh'))1339		assert !os.exists(os.join_path(legacy, '.koh-v2'))1340	}1341	// And one that belongs to the machine, not the repo, is Koh 3's own.1342	remote := run_home_with_path(legacy, home, fake, 'remote')1343	assert !remote.out.contains('handoff'), remote.out1344	assert remote.err.contains('needs a terminal'), remote.err1345}13461347fn run_home_with_path(repo string, home string, bin_dir string, args ...string) Result {1348	stamp := '${os.getpid()}-${time.now().unix_nano()}'1349	base := os.join_path(os.temp_dir(), 'koh3-cli-${stamp}')1350	out_path := '${base}.out'1351	err_path := '${base}.err'1352	code_path := '${base}.code'1353	mut command := 'HOME=${q(home)} PATH=${q(bin_dir + ':' + os.getenv('PATH'))} ${q(binary)}'1354	for arg in args {1355		command += ' ${q(arg)}'1356	}1357	shell := 'cd ${q(repo)} && ${command} </dev/null >${q(out_path)} 2>${q(err_path)}; printf "%s" \$? >${q(code_path)}'1358	result := os.execute(shell)1359	if result.exit_code != 0 {1360		panic('could not run test command: ${result.output}')1361	}1362	code := os.read_file(code_path) or { panic(err) }1363	out := os.read_file(out_path) or { '' }1364	err := os.read_file(err_path) or { '' }1365	os.rm(out_path) or {}1366	os.rm(err_path) or {}1367	os.rm(code_path) or {}1368	return Result{1369		code: code.int()1370		out:  out1371		err:  err1372	}1373}13741375// --- migration -------------------------------------------------------------13761377// koh2_binary finds Koh 2: `koh2` since the cutover, `koh` before it, and never Koh 3.1378fn koh2_binary() string {1379	for name in ['koh2', 'koh'] {1380		path := os.find_abs_path_of_executable(name) or { continue }1381		if os.execute('${os.quoted_path(path)} --version').output.starts_with('koh v2') {1382			return path1383		}1384	}1385	return ''1386}13871388// run_koh2 runs the Koh 2 binary in a fixture; its own output is not under1389// test here.1390fn run_koh2(dir string, command string) {1391	os.execute('cd ${q(dir)} && ${command} >/dev/null 2>&1')1392}13931394fn save_ids(dir string) []string {1395	mut ids := []string{}1396	for name in os.ls(os.join_path(dir, '.koh', 'snapshots')) or { []string{} } {1397		if name.ends_with('.json') {1398			ids << name.trim_right('.json')1399		}1400	}1401	ids.sort()1402	return ids1403}14041405fn test_migrate_converts_a_koh2_repo_and_keeps_every_save() {1406	koh2 := koh2_binary()1407	if koh2 == '' {1408		println('skipping the migration tests: koh (Koh 2) is not on PATH')1409		return1410	}1411	dir := temp_repo('migrate')1412	defer { os.rmdir_all(dir) or {} }1413	home := temp_repo('migrate-home')1414	defer { os.rmdir_all(home) or {} }1415	run_koh2(dir, '${q(koh2)} init')1416	// One file large enough to be an object, one small enough to be inlined.1417	write(dir, 'code.txt', 'x'.repeat(700))1418	write(dir, 'tiny.txt', 'tiny\n')1419	run_koh2(dir, '${q(koh2)} save "first save"')1420	run_koh2(dir, '${q(koh2)} checkpoint "before something"')1421	write(dir, 'code.txt', 'y'.repeat(700))1422	run_koh2(dir, '${q(koh2)} save "second save"')1423	original := save_ids(dir)1424	assert original.len == 314251426	// A version handed back must be readable.1427	unreadable := run_home(dir, home, 'migrate', '--with', os.join_path(dir, 'no-such-backup'), '--yes')1428	assert unreadable.code == 1 && unreadable.err.contains('cannot read'), unreadable.err1429	// Off a terminal it asks nothing and changes nothing without --yes.1430	unasked := run_home(dir, home, 'migrate')1431	assert unasked.code == 1 && unasked.err.contains('needs --yes'), unasked.err1432	assert os.is_dir(os.join_path(dir, '.koh'))1433	report := run_home(dir, home, 'migrate', '--yes')1434	assert report.code == 01435	assert report.out.contains('this will:')1436	assert report.out.contains('migrated 3 saves')1437	// The swap: `.koh` is a file, the old data is archived, nothing is left in the draft.1438	assert os.is_file(os.join_path(dir, '.koh'))1439	assert os.is_dir(os.join_path(dir, '.koh-v2'))1440	assert os.is_file(os.join_path(dir, '.kohignore'))1441	assert !os.exists(os.join_path(dir, '.koh-migrate'))14421443	// Every save kept its original ID, and the new repo is sound.1444	listed := run_home(dir, home, 'view', '--json')1445	assert listed.code == 01446	for id in original {1447		assert listed.out.contains(id)1448	}1449	assert run_home(dir, home, 'doctor').code == 01450	assert run_home(dir, home, 'status').code == 014511452	// Migrating again has nothing to convert.1453	assert run_home(dir, home, 'migrate', '--yes').code == 11454}14551456fn test_migrate_refuses_a_tree_that_does_not_match_the_last_save() {1457	koh2 := koh2_binary()1458	if koh2 == '' {1459		return1460	}1461	dir := temp_repo('migrate-dirty')1462	defer { os.rmdir_all(dir) or {} }1463	home := temp_repo('migrate-dirty-home')1464	defer { os.rmdir_all(home) or {} }1465	run_koh2(dir, '${q(koh2)} init')1466	write(dir, 'code.txt', 'x'.repeat(700))1467	run_koh2(dir, '${q(koh2)} save "only save"')1468	write(dir, 'code.txt', 'unsaved change\n')14691470	refused := run_home(dir, home, 'migrate', '--yes')1471	assert refused.code == 11472	assert refused.err.contains('save with koh2 first')1473	// Nothing moved: still Koh 2, no archive, no draft file.1474	assert os.is_dir(os.join_path(dir, '.koh'))1475	assert !os.exists(os.join_path(dir, '.koh-v2'))1476	assert !os.exists(os.join_path(dir, '.koh-migrate'))1477}14781479// Koh 2 never saved a root `.kohconfig`, root `.kohignore.<remote>` rules or1480// `*.bundle` files, so a clean Koh 2 repo may hold them. Most real repos have1481// a `.kohconfig`; migrate must not call them unsaved work.1482fn test_migrate_passes_over_the_files_koh2_never_saved() {1483	koh2 := koh2_binary()1484	if koh2 == '' {1485		return1486	}1487	dir := temp_repo('migrate-koh2-ignores')1488	defer { os.rmdir_all(dir) or {} }1489	home := temp_repo('migrate-koh2-ignores-home')1490	defer { os.rmdir_all(home) or {} }1491	run_koh2(dir, '${q(koh2)} init')1492	write(dir, 'code.txt', 'x'.repeat(700))1493	run_koh2(dir, '${q(koh2)} save "only save"')1494	write(dir, '.kohconfig', 'stable_days = 14\n')1495	write(dir, '.kohignore.public', 'private/\n')1496	write(dir, 'lib/app.bundle', 'bundle\n')1497	write(dir, 'ios/Settings.bundle/Root.plist', 'settings\n')1498	// Koh 2 keeps saving a file under a folder pattern added later, where1499	// Koh 3 reads the same rule as covering the folder: the saved file is on1500	// disk and matches, so the tree is clean.1501	write(dir, 'native/t.dSYM/Info.plist', 'plist\n')1502	run_koh2(dir, '${q(koh2)} save --agent test --session test "add the dsym"')1503	// Koh 2 skips *.bundle even when its rules no longer list it.1504	ignore_path := os.join_path(dir, '.koh', 'ignore')1505	rules := os.read_file(ignore_path)!.split_into_lines().filter(it != '*.bundle')1506	os.write_file(ignore_path, rules.join('\n') + '\nnative/*.dSYM\n')!1507	// A saved file the walk skips still has to match what was saved.1508	write(dir, 'native/t.dSYM/Info.plist', 'changed\n')1509	changed := run_home(dir, home, 'migrate', '--yes')1510	assert changed.code == 11511	assert changed.err.contains('native/t.dSYM/Info.plist does not match')1512	write(dir, 'native/t.dSYM/Info.plist', 'plist\n')1513	assert os.execute('cd ${q(dir)} && ${q(koh2)} status --json').output.contains('"dirty":false')15141515	migrated := run_home(dir, home, 'migrate', '--yes')1516	assert migrated.code == 0, migrated.err1517	// They stay where they were, for the user to keep or delete.1518	assert os.read_file(os.join_path(dir, '.kohconfig'))! == 'stable_days = 14\n'1519}15201521struct FakeKepr {1522	no_access bool1523	// One reply the redemption must cope with: '500', 'garbage' or 'incomplete'.1524	fail string1525	// When set, /api/connect answers 307 here instead of a code reply.1526	redirect_to string1527mut:1528	objects map[string][]u81529	// What the client asked for. A map, because the server holds its own copy of this struct.1530	seen map[string]string1531}15321533fn (mut h FakeKepr) handle(req http.Request) http.Response {1534	if req.method == .post && req.url == '/api/connect' {1535		h.seen['code'] = req.data1536		if h.redirect_to != '' {1537			return http.Response{1538				status_code: 3071539				status_msg:  'Temporary Redirect'1540				header:      http.new_header(1541					key:   .location1542					value: h.redirect_to1543				)1544			}1545		}1546		if h.fail == '500' {1547			return http.Response{ status_code: 500, status_msg: 'Internal Server Error' }1548		}1549		if h.fail == 'garbage' {1550			return http.Response{ status_code: 200, status_msg: 'OK', body: 'not json at all' }1551		}1552		if h.fail == 'incomplete' {1553			return http.Response{ status_code: 200, status_msg: 'OK', body: '{"endpoint":"http://x","bucket":"","region":"","access_key_id":"","secret_access_key":""}' }1554		}1555		if req.data == 'code=good' && !h.no_access {1556			return http.Response{ status_code: 200, status_msg: 'OK', body: '{"endpoint":"http://${req.header.get_custom('Host', http.HeaderQueryConfig{}) or { '' }}","bucket":"bucket","region":"test","access_key_id":"access","secret_access_key":"secret"}' }1557		}1558		return http.Response{ status_code: 404, status_msg: 'Not Found', body: '{"error":"no_code","message":"no code"}' }1559	}1560	if req.method == .get && req.url.starts_with('/connect') {1561		h.seen['connect'] = req.url1562		return http.Response{ status_code: if h.no_access { 404 } else { 302 }, status_msg: 'Found' }1563	}1564	key := req.url1565	if key.starts_with('/bucket/') {1566		match req.method {1567			.put {1568				if req.header.get_custom('If-None-Match', http.HeaderQueryConfig{}) or { '' } == '*' && key in h.objects {1569					return http.Response{ status_code: 412, status_msg: 'Precondition Failed' }1570				}1571				h.objects[key] = req.data.bytes()1572				return http.Response{ status_code: 200, status_msg: 'OK' }1573			}1574			.get {1575				if body := h.objects[key] {1576					return http.Response{1577						status_code: 2001578						status_msg:  'OK'1579						body:        body.bytestr()1580						header:      http.new_header(1581							key:   .etag1582							value: '"tag"'1583						)1584					}1585				}1586				return http.Response{ status_code: 404, status_msg: 'Not Found' }1587			}1588			.delete {1589				h.objects.delete(key)1590				return http.Response{ status_code: 204, status_msg: 'No Content' }1591			}1592			else {}1593		}1594	}1595	return http.Response{ status_code: 404, status_msg: 'Not Found' }1596}15971598fn start_fake_kepr(no_access bool, fail string, redirect_to string) !(int, &http.Server, &FakeKepr) {1599	for port in 19401 .. 19411 {1600		listener := net.listen_tcp(.ip, '127.0.0.1:${port}') or { continue }1601		fake := &FakeKepr{1602			no_access:   no_access1603			fail:        fail1604			redirect_to: redirect_to1605			seen:        map[string]string{}1606		}1607		mut server := &http.Server{1608			listener:             listener1609			handler:              fake1610			show_startup_message: false1611		}1612		spawn server.listen_and_serve()1613		server.wait_till_running()!1614		return port, server, fake1615	}1616	return error('no free fake Kepr port')1617}16181619// A slash makes an argument an address, so half an address is an error and never a repo name.1620fn test_steal_refuses_an_address_that_is_not_one() {1621	outside := temp_repo('steal-address')1622	home := temp_repo('steal-address-home')1623	defer { os.rmdir_all(outside) or {} }1624	defer { os.rmdir_all(home) or {} }1625	// The repo half becomes a URL path segment and a folder here, so it is a name Kepr serves.1626	for bad in ['kepr.uk/', '/shipped', 'kepr.uk/..', 'kepr.uk/.', 'kepr.uk/a b', 'kepr.uk/nina?x',1627		'kepr.uk/nina#x', 'kepr.uk/nína'] {1628		refused := run_home(outside, home, 'steal', bad)1629		assert refused.code == 1, bad1630		assert refused.err.contains('is not <host>/<repo>'), '${bad}: ${refused.err}'1631	}1632	assert run_home(outside, home, 'steal', 'one', 'two').code == 21633	assert run_home(outside, home, 'steal', '--list', 'extra').code == 21634}16351636fn test_remote_kepr_saves_and_refuses_without_changes() {1637	repo := temp_repo('kepr')1638	home := temp_repo('kepr-home')1639	defer { os.rmdir_all(repo) or {} }1640	defer { os.rmdir_all(home) or {} }1641	init_repo(repo)1642	port, mut server, fake := start_fake_kepr(false, '', '')!1643	defer { server.stop() }1644	host := 'http://127.0.0.1:${port}'1645	// A trailing slash is the same host, and the saved line keeps the normalised form.1646	good := run_home(repo, home, 'remote', '${host}/', '--code', 'good')1647	assert good.code == 0, good.err1648	remote_path := os.join_path(home, '.config', 'koh', 'remote')1649	credentials_path := os.join_path(home, '.config', 'koh', 'credentials')1650	assert os.read_file(remote_path)! == '# written by koh remote — the remote for every repo on this machine\nkind=s3\nendpoint=${host}\nbucket=bucket\nregion=test\nkepr=${host}\n'1651	assert os.read_file(credentials_path)! == '# written by koh remote — keep this file private\naccess_key=access\nsecret_key=secret\n'1652	// The code went as a form field, and the connect page was never asked for: there was a code.1653	assert (fake.seen['code'] or { '' }) == 'code=good'1654	assert (fake.seen['connect'] or { '' }) == ''1655	// A refused code, a missing terminal and a wrong reply all leave both files as they were.1656	before := os.read_file(remote_path)!1657	before_keys := os.read_file(credentials_path)!1658	bad := run_home(repo, home, 'remote', host, '--code', 'bad')1659	assert bad.code == 11660	assert bad.err.contains('wrong or has expired')1661	// The 404 could also mean a Kepr that hands out nothing, so the connect page is asked for1662	// with this machine's name. (This machine's name holds no character needing an escape, so1663	// that part of the query cannot be exercised here.)1664	// `machine.name()` is `os.hostname() or { 'unknown' }`, so the query carries the same text.1665	assert (fake.seen['connect'] or { '' }).contains('machine=${os.hostname() or { 'unknown' }}')1666	no_terminal := run_home(repo, home, 'remote', host)1667	assert no_terminal.code == 11668	assert no_terminal.err.contains('needs a terminal')1669	assert os.read_file(remote_path)! == before1670	assert os.read_file(credentials_path)! == before_keys1671}16721673fn test_remote_kepr_refuses_hosts_that_are_not_hosts() {1674	repo := temp_repo('kepr-host')1675	home := temp_repo('kepr-host-home')1676	defer { os.rmdir_all(repo) or {} }1677	defer { os.rmdir_all(home) or {} }1678	init_repo(repo)1679	for host in ['kepr.uk/foo', 'https://kepr.uk?x=1', 'kepr.uk#frag', '[email protected]', 'kepr uk',1680		'http://127.0.0.1:1/foo', 'https://'] {1681		refused := run_home(repo, home, 'remote', host, '--code', 'good')1682		assert refused.code == 1, host1683		assert refused.err.contains('is not a Kepr address'), '${host}: ${refused.err}'1684	}1685	// The reply carries the bucket's secret key, so plain http is only for this machine's own Kepr.1686	for host in ['http://kepr.uk', 'http://10.0.0.2:3000', 'http://KEPR.uk:80'] {1687		refused := run_home(repo, home, 'remote', host, '--code', 'good')1688		assert refused.code == 1, host1689		assert refused.err.contains('needs https'), '${host}: ${refused.err}'1690		stolen := run_home(home, home, 'steal', '${host}/nina')1691		assert stolen.code == 1, host1692		assert stolen.err.contains('needs https'), '${host}: ${stolen.err}'1693	}1694	// --code belongs to the host form alone.1695	assert run_home(repo, home, 'remote', 's3', 'https://x', 'b', 'r', '--code', 'good').code == 21696	assert run_home(repo, home, 'remote', 'folder', '/tmp', '--code', 'good').code == 21697	assert run_home(repo, home, 'remote', '--code', 'good').code == 21698	assert !os.exists(os.join_path(home, '.config', 'koh', 'remote'))1699}17001701fn test_remote_kepr_refuses_what_is_not_a_code_reply() {1702	repo := temp_repo('kepr-reply')1703	home := temp_repo('kepr-reply-home')1704	defer { os.rmdir_all(repo) or {} }1705	defer { os.rmdir_all(home) or {} }1706	init_repo(repo)1707	remote_path := os.join_path(home, '.config', 'koh', 'remote')1708	for mode in ['500', 'garbage', 'incomplete'] {1709		port, mut server, _ := start_fake_kepr(false, mode, '')!1710		refused := run_home(repo, home, 'remote', 'http://127.0.0.1:${port}', '--code', 'good')1711		server.stop()1712		assert refused.code == 1, mode1713		assert refused.err.contains('nothing was changed'), '${mode}: ${refused.err}'1714		assert !os.exists(remote_path)1715	}1716	// A redirect would hand the code to wherever it points, so it is refused and never followed.1717	target_port, mut target, target_fake := start_fake_kepr(false, '', '')!1718	port, mut server, _ := start_fake_kepr(false, '', 'http://127.0.0.1:${target_port}/api/connect')!1719	redirected := run_home(repo, home, 'remote', 'http://127.0.0.1:${port}', '--code', 'good')1720	server.stop()1721	target.stop()1722	assert redirected.code == 11723	assert redirected.err.contains('refused the code')1724	assert target_fake.seen.len == 0, 'the code was forwarded: ${target_fake.seen}'1725	assert !os.exists(remote_path)1726}17271728// An unreachable Kepr is a refusal too, and the settings are still untouched.1729fn test_remote_kepr_that_cannot_be_reached_changes_nothing() {1730	repo := temp_repo('kepr-down')1731	home := temp_repo('kepr-down-home')1732	defer { os.rmdir_all(repo) or {} }1733	defer { os.rmdir_all(home) or {} }1734	init_repo(repo)1735	refused := run_home(repo, home, 'remote', 'http://127.0.0.1:1', '--code', 'good')1736	assert refused.code == 11737	assert refused.err.contains('could not reach Kepr')1738	assert !os.exists(os.join_path(home, '.config', 'koh', 'remote'))1739}17401741fn test_remote_kepr_without_bucket_access_is_explained() {1742	repo := temp_repo('kepr-no-access')1743	home := temp_repo('kepr-no-access-home')1744	defer { os.rmdir_all(repo) or {} }1745	defer { os.rmdir_all(home) or {} }1746	init_repo(repo)1747	port, mut server, _ := start_fake_kepr(true, '', '')!1748	defer { server.stop() }1749	r := run_home(repo, home, 'remote', 'http://127.0.0.1:${port}', '--code', 'bad')1750	assert r.code == 11751	assert r.err.contains("doesn't hand out bucket access")1752	assert !os.exists(os.join_path(home, '.config', 'koh', 'remote'))1753}17541755fn test_ignore_batch_preview_cancel_and_toggle() {1756	repo := temp_repo('ignore-batch')1757	home := temp_repo('ignore-home')1758	defer {1759		os.rmdir_all(repo) or {}1760		os.rmdir_all(home) or {}1761	}1762	assert run_home(repo, home, 'init').code == 01763	assert run_home(repo, home, 'save', 'initial').code == 01764	write(repo, 'one/a.txt', 'a')1765	write(repo, 'two/b.txt', 'b')1766	write(repo, 'literal*.txt', 'literal')1767	before := os.read_file(os.join_path(repo, '.kohignore'))!1768	refused := run_home(repo, home, 'ignore', 'one', 'two', 'literal*.txt', '--json')1769	assert refused.code == 11770	assert refused.out.contains('"changed":false')1771	assert refused.out.contains('koh strip <path>')1772	assert os.read_file(os.join_path(repo, '.kohignore'))! == before1773	cancel := run_pty_home(repo, home, [''], 'ignore', 'one', 'two', 'literal*.txt')1774	assert cancel.code == 11775	assert cancel.out.contains('/one/') && cancel.out.contains('/two/')1776	assert os.read_file(os.join_path(repo, '.kohignore'))! == before1777	assert run_home(repo, home, 'ignore', 'one').code == 11778	assert os.read_file(os.join_path(repo, '.kohignore'))! == before1779	assert run_pty_home(repo, home, ['y'], 'ignore', 'confirmed.txt').code == 01780	added := run_home(repo, home, 'ignore', 'one', './one', 'two', 'literal*.txt', '--yes', '--json')1781	assert added.code == 01782	assert added.out.contains('"changed":true')1783	text := os.read_file(os.join_path(repo, '.kohignore'))!1784	assert text.count('/one/\n') == 11785	assert text.contains('/literal\\*.txt\n')1786	status := run_home(repo, home, 'status', '--json')1787	assert status.code == 01788	assert !status.out.contains('one/a.txt') && !status.out.contains('literal*.txt')1789	assert run_home(repo, home, 'ignore', 'one', '--yes').code == 01790	assert run_home(repo, home, 'status', '--json').out.contains('one/a.txt')1791	assert run_home(repo, home, 'ignore', 'two/b.txt', '--yes').code == 01792	assert !os.read_file(os.join_path(repo, '.kohignore'))!.contains('/two/')1793}17941795fn test_ignore_global_rules_and_scope_overlap() {1796	repo := temp_repo('ignore-global')1797	other := temp_repo('ignore-other')1798	home := temp_repo('ignore-home')1799	defer {1800		os.rmdir_all(repo) or {}1801		os.rmdir_all(other) or {}1802		os.rmdir_all(home) or {}1803	}1804	assert run_home(repo, home, 'init').code == 01805	assert run_home(repo, home, 'save', 'initial').code == 01806	assert run_home(other, home, 'init').code == 01807	assert run_home(other, home, 'save', 'initial').code == 01808	write(repo, 'cache/a', 'a')1809	write(other, 'nested/cache/b', 'b')1810	assert run_home(repo, home, 'ignore', 'cache', '--yes').code == 01811	assert run_home(repo, home, 'ignore', 'cache', '--global', '--yes').code == 01812	assert os.read_file(os.join_path(home, '.kohignore'))! == 'cache/\n'1813	assert run_home(other, home, 'save', 'global rules applied').code == 11814	assert !run_home(other, home, 'status', '--json').out.contains('nested/cache/b')1815	result := run_home(repo, home, 'ignore', 'cache', '--yes')1816	assert result.code == 0 && result.out.contains('still ignored')1817	assert !run_home(repo, home, 'status', '--json').out.contains('cache/a')1818	assert run_home(repo, home, 'ignore', 'cache', '--global', '--yes').code == 01819	assert run_home(repo, home, 'status', '--json').out.contains('cache/a')1820	assert run_home(other, home, 'status', '--json').out.contains('nested/cache/b')1821	assert run_home(home, home, 'ignore', 'missing/', '--global', '--yes').code == 01822}18231824fn test_ignore_broad_rules_mixed_batch_and_invalid_paths() {1825	repo := temp_repo('ignore-rules')1826	home := temp_repo('ignore-home')1827	defer {1828		os.rmdir_all(repo) 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	write(repo, '.kohignore', '# keep this\n*.log\n/folder/\n')1834	write(repo, 'folder/a', 'a')1835	os.symlink(home, os.join_path(repo, 'link'))!1836	before := os.read_file(os.join_path(repo, '.kohignore'))!1837	for bad in ['../outside', '.koh', '.kohignore', '.', 'link/a', 'bad\nname'] {1838		assert run_home(repo, home, 'ignore', 'good', bad, '--yes').code == 11839		assert os.read_file(os.join_path(repo, '.kohignore'))! == before1840	}1841	mixed := run_home(repo, home, 'ignore', 'a.log', 'new.txt', '--yes')1842	assert mixed.code == 0 && mixed.out.contains('other items')1843	assert os.read_file(os.join_path(repo, '.kohignore'))! == '# keep this\n/folder/\n/new.txt\n'1844	assert run_home(os.join_path(repo, 'folder'), home, 'ignore', 'a', '--yes').code == 01845	assert !os.read_file(os.join_path(repo, '.kohignore'))!.contains('/folder/')1846	assert run_home(repo, home, 'ignore').code == 21847}18481849fn test_ignore_reads_symlinked_other_scope_and_subdirectory_rules() {1850	repo := temp_repo('ignore-symlink')1851	home := temp_repo('ignore-home')1852	defer {1853		os.rmdir_all(repo) or {}1854		os.rmdir_all(home) or {}1855	}1856	assert run_home(repo, home, 'init').code == 01857	write(home, 'rules', 'cache/\n')1858	os.symlink(os.join_path(home, 'rules'), os.join_path(home, '.kohignore'))!1859	local := run_home(repo, home, 'ignore', 'cache/', '--yes')1860	assert local.code == 0 && local.out.contains('still ignored')1861	assert run_home(repo, home, 'ignore', 'cache/', '--global', '--yes').code == 11862	os.rm(os.join_path(home, '.kohignore'))!1863	write(home, '.kohignore', 'cache/\n')1864	write(repo, '.kohignore', '/sub/cache/\n')1865	write(repo, 'sub/cache/a', 'a')1866	global := run_home(os.join_path(repo, 'sub'), home, 'ignore', 'cache', '--global', '--yes')1867	assert global.code == 0 && global.out.contains('still ignored')1868	assert os.read_file(os.join_path(repo, '.kohignore'))! == '/sub/cache/\n'1869	assert os.read_file(os.join_path(home, '.kohignore'))! == ''1870}18711872fn test_ignore_refuses_stripped_paths_and_preserves_crlf_comments() {1873	repo := temp_repo('ignore-stripped')1874	home := temp_repo('ignore-home')1875	defer {1876		os.rmdir_all(repo) or {}1877		os.rmdir_all(home) or {}1878	}1879	assert run_home(repo, home, 'init').code == 01880	write(repo, 'secret', 'secret')1881	assert run_home(repo, home, 'save', 'initial').code == 01882	assert run_pty_home(repo, home, ['y', 'secret'], 'strip', 'secret').code == 01883	before := os.read_file(os.join_path(repo, '.kohignore'))!1884	assert run_home(repo, home, 'ignore', 'secret', '--yes').code == 11885	assert os.read_file(os.join_path(repo, '.kohignore'))! == before1886	write(repo, '.kohignore', '# keep\r\n*.log\r\nlast')1887	assert run_home(repo, home, 'ignore', 'one.log', '--yes').code == 01888	assert os.read_file(os.join_path(repo, '.kohignore'))! == '# keep\r\nlast'1889}18901891fn test_strip_multiple_paths_confirms_entire_batch_before_changes() {1892	repo := temp_repo('strip-batch')1893	home := temp_repo('strip-home')1894	defer {1895		os.rmdir_all(repo) or {}1896		os.rmdir_all(home) or {}1897	}1898	assert run_home(repo, home, 'init').code == 01899	write(repo, 'private/a', 'a')1900	write(repo, 'secret.txt', 'secret')1901	write(repo, 'keep.txt', 'keep')1902	assert run_home(repo, home, 'save', 'initial').code == 01903	before := os.read_file(os.join_path(repo, '.kohignore'))!1904	cancel := run_pty_home(repo, home, ['y', 'private', ''], 'strip', 'private/', 'secret.txt')1905	assert cancel.code == 11906	assert cancel.out.contains('private') && cancel.out.contains('secret.txt')1907	assert os.read_file(os.join_path(repo, '.kohignore'))! == before1908	assert run_home(repo, home, 'status', '--json').out.contains('"dirty":false')1909	assert run_pty_home(repo, home, [], 'strip', 'private', '../bad').code == 11910	assert os.read_file(os.join_path(repo, '.kohignore'))! == before1911	stripped := run_pty_home(repo, home, ['y', 'private', 'private/a', 'secret.txt'], 'strip', 'private/', 'private', 'private/a', 'secret.txt', '--json')1912	assert stripped.code == 0, stripped.out1913	assert stripped.out.contains('"strips":[')1914	assert stripped.out.contains('"path":"private"') && stripped.out.contains('"path":"secret.txt"')1915	assert os.read_file(os.join_path(repo, 'secret.txt'))! == 'secret'1916	assert os.read_file(os.join_path(repo, 'private/a'))! == 'a'1917	text := os.read_file(os.join_path(repo, '.kohignore'))!1918	assert text.count('/private\n') == 1 && text.count('/secret.txt\n') == 11919	assert !text.contains('/private/a\n')1920	assert run_home(repo, home, 'save', 'rules').code == 01921	assert run_home(repo, home, 'status', '--json').out.contains('"dirty":false')1922}19231924fn test_strip_legacy_paths_and_trailing_slash_remote_retry() {1925	repo := temp_repo('strip-legacy')1926	home := temp_repo('strip-home')1927	remote_dir := temp_repo('strip-remote')1928	defer {1929		os.rmdir_all(repo) or {}1930		os.rmdir_all(home) or {}1931		os.rmdir_all(remote_dir) or {}1932	}1933	assert run_home(repo, home, 'init').code == 01934	write(repo, 'secret', 'secret')1935	assert run_home(repo, home, 'save', 'legacy').code == 01936	store := storage.open(repo)!1937	store.db.exec("UPDATE save_files SET path = '../unsafe' WHERE path = 'secret'")!1938	store.close()1939	legacy := run_pty_home(repo, home, ['y', '../unsafe'], 'strip', '../unsafe')1940	assert legacy.code == 0, legacy.out1941	assert run_home(repo, home, 'doctor', '--json').code == 01942	write(repo, 'private/a', 'private')1943	assert run_home(repo, home, 'remote', 'folder', remote_dir).code == 01944	assert run_home(repo, home, 'save', 'folder').code == 01945	old_store := storage.open(repo)!1946	exchange.strip_local(old_store, 'private/', '')!1947	old_store.close()1948	retried := run_pty_home(repo, home, [], 'strip', 'private/')1949	assert retried.code == 0 && retried.out.contains('already stripped'), retried.out1950	checked := storage.open(repo)!1951	defer { checked.close() }1952	assert !exchange.strip_pending(checked, 'private/')1953}19541955fn test_strip_batch_reports_each_ignore_write_failure() {1956	repo := temp_repo('strip-rule-failure')1957	home := temp_repo('strip-home')1958	remote_dir := temp_repo('strip-rule-remote')1959	defer {1960		os.rmdir_all(repo) or {}1961		os.rmdir_all(home) or {}1962		os.rmdir_all(remote_dir) or {}1963	}1964	assert run_home(repo, home, 'init').code == 01965	write(repo, 'one', 'one')1966	write(repo, 'two', 'two')1967	assert run_home(repo, home, 'remote', 'folder', remote_dir).code == 01968	assert run_home(repo, home, 'save', 'initial').code == 01969	os.rename(os.join_path(repo, '.kohignore'), os.join_path(repo, 'rules-backup'))!1970	os.mkdir(os.join_path(repo, '.kohignore'))!1971	failed := run_pty_home(repo, home, ['y', 'one', 'two'], 'strip', 'one', 'two', '--json')1972	assert failed.code == 1, failed.out1973	assert failed.out.count('"ignore_failed":') == 21974	assert failed.out.contains('by hand') && failed.out.contains('history ban still applies')1975	assert failed.out.contains('"path":"one"') && failed.out.contains('"path":"two"')1976	store := storage.open(repo)!1977	defer { store.close() }1978	assert exchange.strip_scope(store, 'one', '')!.files == 01979	assert exchange.strip_scope(store, 'two', '')!.files == 01980	assert !exchange.strip_pending(store, 'one') && !exchange.strip_pending(store, 'two')1981}