#!/usr/bin/env sh
# G-08 update + G-10 flakes/build/run/repl/develop. Flake ops run in a fresh
# flake dir. repl/develop are interactive (nix repl / nix shell) — `</dev/null`
# feeds EOF so they exit. develop uses a `run` subcommand (nina develop run CMD),
# not --run.
set -u
N=/root/nina

echo "KILN_FLAKE_BEGIN"

echo "### G-08 T-100 nina update (nix-channel --update; network)"
$N update </dev/null; echo "UPDATE_RC=$?"

mkdir -p /root/tf && cd /root/tf || exit 9
echo "### G-10 T-120 nina flake init (expect flake.nix)"
$N flake init </dev/null; echo "FLAKEINIT_RC=$?"; echo "flake.nix: $(ls flake.nix 2>/dev/null || echo MISSING)"

echo "### G-10 T-123 nina flake show"
$N flake show </dev/null; echo "FLAKESHOW_RC=$?"

echo "### G-10 T-122 nina flake check"
$N flake check </dev/null; echo "FLAKECHECK_RC=$?"

echo "### G-10 T-121 nina flake update (expect flake.lock)"
$N flake update </dev/null; echo "FLAKEUPD_RC=$?"; echo "flake.lock: $(ls flake.lock 2>/dev/null || echo MISSING)"

echo "### G-10 T-125 nina build (expect result symlink)"
$N build </dev/null; echo "BUILD_RC=$?"; echo "result: $(ls -l result 2>/dev/null | awk '{print $NF}' || echo MISSING)"

echo "### G-10 T-126 nina run nixpkgs#hello (expect Hello, world!)"
$N run nixpkgs#hello </dev/null; echo "RUN_RC=$?"

echo "### G-10 T-128 nina repl (EOF exits)"
$N repl </dev/null; echo "REPL_RC=$?"

echo "### G-10 T-130 nina develop run 'echo devshell-ok'"
$N develop run 'echo devshell-ok' </dev/null; echo "DEVRUN_RC=$?"

echo "KILN_FLAKE_END"