#!/usr/bin/env bash
# Row 189 mutants M1-M5: each mutates scripts/stack-release.sh in the sage-b189 worktree, runs T55 and
# the plan-tail tests, and restores the file from a checked backup.
set -uo pipefail
WT=/mnt/storage/scratch/sage-b189
OUT=/mnt/storage/scratch/sage-b189-mut/out
S=$WT/scripts/stack-release.sh
mkdir -p "$OUT" || exit 1
cp -p "$S" "$OUT/stack-release.sh.orig" || { echo "backup failed"; exit 1; }
ORIG=$(sha256sum "$S" | cut -d' ' -f1)
[ "$(sha256sum "$OUT/stack-release.sh.orig" | cut -d' ' -f1)" = "$ORIG" ] || { echo "backup differs"; exit 1; }
restore() { cp -p "$OUT/stack-release.sh.orig" "$S"; [ "$(sha256sum "$S" | cut -d' ' -f1)" = "$ORIG" ] || { echo "RESTORE FAILED"; exit 1; }; }
trap restore EXIT

mutate() {
    case "$1" in
        M1) sed -i '/{ \[ "\$NO_SEND" = 1 \] && \[\[ " \${P_CONSOLE\[\*\]} " == \*" --send "\* \]\]; } ||/d' "$S" ;;
        M2) sed -i 's/{ \[ "\$NO_SEND" = 1 \] && \[\[ " \${P_CONSOLE\[\*\]} " == \*" --send "\* \]\]; } ||/{ [ "$NO_SEND" = 1 ]; } ||/' "$S" ;;
        M3) sed -i 's/^    write_pointer "\$TO" "\$RUN_PM" "\$RUN_PENDING" "\$P_CLAUDE" "\$T_SCHEMA" "\${RUN_CONSOLE\[@\]}"$/    if [ "$NO_SEND" = 1 ]; then write_pointer "$TO" "$RUN_PM" "$RUN_PENDING" "$P_CLAUDE" "$T_SCHEMA" "${P_CONSOLE[@]}"; else write_pointer "$TO" "$RUN_PM" "$RUN_PENDING" "$P_CLAUDE" "$T_SCHEMA" "${RUN_CONSOLE[@]}"; fi/' "$S" ;;
        M4) sed -i 's/^        SEND_PLAN="send: off"$/        SEND_PLAN="send: off"; [ "$OP" != rollback ] || RUN_CONSOLE+=(--send)/' "$S" ;;
        M5) sed -i 's/--no-send) \[ "\$OP" = activate \] || usage;/--no-send) { [ "$OP" = activate ] || [ "$OP" = rollback ]; } || usage;/' "$S" ;;
    esac
}

for m in M1 M2 M3 M4 M5; do
    restore
    mutate "$m"
    if [ "$(sha256sum "$S" | cut -d' ' -f1)" = "$ORIG" ]; then echo "$m NOT-APPLIED"; continue; fi
    bash -n "$S" || { echo "$m SYNTAX"; continue; }
    diff "$OUT/stack-release.sh.orig" "$S" > "$OUT/$m.diff"
    (cd "$WT" && TMPDIR=/mnt/storage/scratch/t189 timeout 900 node --test --test-reporter=tap --test-name-pattern='T55|T1 |T2 ' packages/cli/tests/stack-release.test.mjs) > "$OUT/$m.log" 2>&1
    fails=$(awk '/^# fail /{print $3}' "$OUT/$m.log")
    if [ "${fails:-0}" -gt 0 ]; then echo "$m KILLED fail=$fails"; else echo "$m SURVIVED"; fi
done