107 lines
2.3 KiB
Bash
Executable File
107 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
set -euo pipefail
|
|
|
|
usage() {
|
|
echo "Usage: $(basename "$0") -c COMMENT_SYMBOL [-e EXCLUDE_PATTERN]... TARGET"
|
|
echo " -c Comment symbol (e.g., '#' or '//')"
|
|
echo " -e Exclude pattern (can be specified multiple times)"
|
|
echo " TARGET File or directory to process"
|
|
exit 1
|
|
}
|
|
|
|
comment_sym=""
|
|
excludes=()
|
|
|
|
while getopts "c:e:h" opt; do
|
|
case $opt in
|
|
c) comment_sym="$OPTARG" ;;
|
|
e) excludes+=("$OPTARG") ;;
|
|
h) usage ;;
|
|
*) usage ;;
|
|
esac
|
|
done
|
|
|
|
shift $((OPTIND - 1))
|
|
[[ $# -ne 1 ]] && usage
|
|
[[ -z "$comment_sym" ]] && usage
|
|
|
|
target="$(realpath "$1")"
|
|
base_dir="$(pwd)"
|
|
|
|
process_file() {
|
|
local file="$1"
|
|
# shellcheck disable=SC2295
|
|
local rel_path="${file#$base_dir/}"
|
|
|
|
local path_comment="$comment_sym path: $rel_path"
|
|
|
|
# Read first two lines
|
|
local line1 line2
|
|
IFS= read -r line1 <"$file" 2>/dev/null || line1=""
|
|
IFS= read -r line2 < <(tail -n +2 "$file") 2>/dev/null || line2=""
|
|
|
|
# Handle shebang case
|
|
if [[ "$line1" =~ ^#! ]]; then
|
|
if [[ "$line2" == *"path: "* ]]; then
|
|
# Replace existing path comment on line 2
|
|
{
|
|
echo "$line1"
|
|
echo "$path_comment"
|
|
tail -n +3 "$file"
|
|
} >"$file.tmp"
|
|
else
|
|
# Insert new path comment after shebang
|
|
{
|
|
echo "$line1"
|
|
echo "$path_comment"
|
|
tail -n +2 "$file"
|
|
} >"$file.tmp"
|
|
fi
|
|
else
|
|
if [[ "$line1" == *"path: "* ]]; then
|
|
# Replace existing path comment on line 1
|
|
{
|
|
echo "$path_comment"
|
|
tail -n +2 "$file"
|
|
} >"$file.tmp"
|
|
else
|
|
# Insert new path comment at top
|
|
{
|
|
echo "$path_comment"
|
|
cat "$file"
|
|
} >"$file.tmp"
|
|
fi
|
|
fi
|
|
|
|
mv "$file.tmp" "$file"
|
|
}
|
|
|
|
if [[ -f "$target" ]]; then
|
|
process_file "$target"
|
|
elif [[ -d "$target" ]]; then
|
|
find_cmd=(find "$target")
|
|
|
|
# Always exclude hidden files and directories
|
|
find_cmd+=(\( -name ".*" -prune \))
|
|
|
|
if [[ ${#excludes[@]} -gt 0 ]]; then
|
|
find_cmd+=(-o \()
|
|
for i in "${!excludes[@]}"; do
|
|
[[ $i -gt 0 ]] && find_cmd+=(-o)
|
|
find_cmd+=(-path "*/${excludes[$i]}" -prune)
|
|
find_cmd+=(-o -path "*/${excludes[$i]}/*" -prune)
|
|
done
|
|
find_cmd+=(\))
|
|
fi
|
|
|
|
find_cmd+=(-o -type f -print0)
|
|
|
|
while IFS= read -r -d '' file; do
|
|
process_file "$file"
|
|
done < <("${find_cmd[@]}")
|
|
else
|
|
echo "Error: $target is not a file or directory" >&2
|
|
exit 1
|
|
fi
|