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bootstrap/bin/mosaic-prune-legacy-runtime
2026-02-17 14:12:02 -06:00

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#!/usr/bin/env bash
set -euo pipefail
MOSAIC_HOME="${MOSAIC_HOME:-$HOME/.config/mosaic}"
RUNTIME="claude"
APPLY=0
usage() {
cat <<USAGE
Usage: $(basename "$0") [options]
Remove legacy runtime files that were preserved as *.mosaic-bak-* after Mosaic linking.
Only removes backups when the active file is a symlink to ~/.config/mosaic.
Options:
--runtime <name> Runtime to prune (default: claude)
--apply Perform deletions (default: dry-run)
-h, --help Show help
USAGE
}
while [[ $# -gt 0 ]]; do
case "$1" in
--runtime)
[[ $# -lt 2 ]] && { echo "Missing value for --runtime" >&2; exit 1; }
RUNTIME="$2"
shift 2
;;
--apply)
APPLY=1
shift
;;
-h|--help)
usage
exit 0
;;
*)
echo "Unknown argument: $1" >&2
usage >&2
exit 1
;;
esac
done
case "$RUNTIME" in
claude)
TARGET_ROOT="$HOME/.claude"
;;
*)
echo "Unsupported runtime: $RUNTIME" >&2
exit 1
;;
esac
if [[ ! -d "$TARGET_ROOT" ]]; then
echo "[mosaic-prune] Runtime directory not found: $TARGET_ROOT" >&2
exit 1
fi
mosaic_real="$(readlink -f "$MOSAIC_HOME")"
count_candidates=0
count_deletable=0
while IFS= read -r -d '' bak; do
count_candidates=$((count_candidates + 1))
base="${bak%%.mosaic-bak-*}"
if [[ ! -L "$base" ]]; then
continue
fi
base_real="$(readlink -f "$base" 2>/dev/null || true)"
if [[ -z "$base_real" ]]; then
continue
fi
if [[ "$base_real" != "$mosaic_real"/* ]]; then
continue
fi
count_deletable=$((count_deletable + 1))
if [[ $APPLY -eq 1 ]]; then
rm -rf "$bak"
echo "[mosaic-prune] deleted: $bak"
else
echo "[mosaic-prune] would delete: $bak"
fi
done < <(find "$TARGET_ROOT" \( -type f -o -type d \) -name '*.mosaic-bak-*' -print0)
if [[ $APPLY -eq 1 ]]; then
echo "[mosaic-prune] complete: deleted=$count_deletable candidates=$count_candidates runtime=$RUNTIME"
else
echo "[mosaic-prune] dry-run: deletable=$count_deletable candidates=$count_candidates runtime=$RUNTIME"
echo "[mosaic-prune] re-run with --apply to delete"
fi