Created
February 1, 2026 10:48
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Generate the file list based on the ignore configuration and CACHEDIR.TAG.
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| fdfile() { | |
| local output_file="" | |
| local OPTIND opt | |
| # === 选项解析：仅支持 -o output_file === | |
| while getopts "o:" opt; do | |
| case "$opt" in | |
| o) output_file="$OPTARG" ;; | |
| *) | |
| echo "Usage: fdfile [-o OUTPUT_FILE] DIR1 [DIR2 ...]" >&2 | |
| echo " -o FILE Write results to FILE instead of stdout" >&2 | |
| return 1 | |
| ;; | |
| esac | |
| done | |
| shift $((OPTIND - 1)) | |
| # === 参数校验：至少需要一个目录 === | |
| if [[ $# -eq 0 ]]; then | |
| echo "❌ Error: At least one directory argument required" >&2 | |
| echo "Usage: fdfile [-o OUTPUT_FILE] DIR1 [DIR2 ...]" >&2 | |
| return 1 | |
| fi | |
| # === 创建全局临时目录（用于 EXIT trap 清理） === | |
| _FDFILE_TEMP_DIR=$(mktemp -d) || { | |
| echo "❌ mktemp failed" >&2 | |
| return 1 | |
| } | |
| cleanup() { | |
| [[ -n "${_FDFILE_TEMP_DIR:-}" ]] && rm -rf "$_FDFILE_TEMP_DIR" | |
| } | |
| trap cleanup EXIT | |
| # === 保留文件清单（用于缓存目录内白名单） === | |
| local KEEP_IN_CACHE_DIR=( | |
| "CACHEDIR.TAG" | |
| ".ignore" | |
| ".gitignore" | |
| ".fdignore" | |
| ".rgignore" | |
| ".kopiaignore" | |
| ) | |
| printf '%s\n' "${KEEP_IN_CACHE_DIR[@]}" > "$_FDFILE_TEMP_DIR/keep_in_cache.txt" | |
| local RESULT="$_FDFILE_TEMP_DIR/files.txt" | |
| > "$RESULT" | |
| # === 遍历所有目录参数 === | |
| local ROOT | |
| for ROOT in "$@"; do | |
| [[ -z "$ROOT" ]] && continue | |
| ROOT="$(realpath "$ROOT" 2>/dev/null)" || { | |
| echo "⚠️ Invalid path: $ROOT" >&2 | |
| continue | |
| } | |
| [[ -d "$ROOT" ]] || { | |
| echo "⚠️ Skip non-dir: $ROOT" >&2 | |
| continue | |
| } | |
| echo "🔎 Scanning $ROOT" >&2 | |
| # 生成唯一临时文件名（基于目录路径哈希） | |
| local HASH | |
| HASH=$(printf '%s' "$ROOT" | sha1sum 2>/dev/null | cut -c1-8 || echo "default") | |
| local FD_LIST="$_FDFILE_TEMP_DIR/fd_${HASH}.txt" | |
| local CACHE_DIRS="$_FDFILE_TEMP_DIR/cache_dirs_${HASH}.txt" | |
| # Step 1: 使用 fdfind 获取文件列表（尊重 ignore 规则） | |
| (cd "$ROOT" && fdfind --type f --hidden --strip-cwd-prefix 2>/dev/null) > "$FD_LIST" || { | |
| echo "⚠️ fd failed in $ROOT" >&2 | |
| continue | |
| } | |
| # Step 2: 查找所有包含 CACHEDIR.TAG 的缓存目录 | |
| find "$ROOT" -name CACHEDIR.TAG -exec dirname {} \; 2>/dev/null | sed 's|/*$|/|' > "$CACHE_DIRS" | |
| # Step 3: 过滤逻辑 | |
| local relpath abspath basename cache_dir in_cache_dir | |
| while IFS= read -r relpath || [[ -n "$relpath" ]]; do | |
| [[ -z "$relpath" ]] && continue | |
| abspath="$ROOT/$relpath" | |
| basename="${relpath##*/}" | |
| in_cache_dir=false | |
| while IFS= read -r cache_dir || [[ -n "$cache_dir" ]]; do | |
| [[ -z "$cache_dir" ]] && continue | |
| [[ "$abspath/" == "$cache_dir"* ]] && { in_cache_dir=true; break; } | |
| done < "$CACHE_DIRS" | |
| if $in_cache_dir; then | |
| grep -Fxq "$basename" "$_FDFILE_TEMP_DIR/keep_in_cache.txt" 2>/dev/null && echo "$abspath" | |
| else | |
| echo "$abspath" | |
| fi | |
| done < "$FD_LIST" >> "$RESULT" | |
| done | |
| # === 输出结果：根据 -o 参数决定输出目标 === | |
| if [[ -n "$output_file" ]]; then | |
| if ! sort -u "$RESULT" > "$output_file"; then | |
| echo "❌ Failed to write output to: $output_file" >&2 | |
| return 1 | |
| fi | |
| echo "✅ Results written to: $output_file" >&2 | |
| else | |
| sort -u "$RESULT" | |
| fi | |
| } | |
| # === 新增：如果脚本被直接执行，则调用函数 === | |
| if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then | |
| # 被直接执行（而非被 source） | |
| fdfile "$@" | |
| fi |
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