clacky-ai--openclacky
wehub-resource-sync
330 行
11 KiB
Bash
可执行文件
330 行
11 KiB
Bash
可执行文件
#!/bin/bash
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# build.sh — compile .sh.cc templates into standalone shell scripts
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#
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# Usage:
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# bash scripts/build/build.sh # build all, output to scripts/
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# bash scripts/build/build.sh install.sh # build one specific output file
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# bash scripts/build/build.sh --diff # build to tmp/, diff against git HEAD
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#
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# Template syntax (inside .sh.cc files):
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# @include lib/foo.sh — inline the contents of scripts/build/lib/foo.sh
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# (strips comment header lines starting with "# ")
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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SRC_DIR="$SCRIPT_DIR/src"
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LIB_DIR="$SCRIPT_DIR" # @include paths relative to build/
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OUT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)" # scripts/
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TMP_DIR="$OUT_DIR/tmp" # scripts/tmp/ (diff staging area)
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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CYAN='\033[0;36m'
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NC='\033[0m'
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info() { echo -e "${BLUE}ℹ${NC} $1"; }
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success() { echo -e "${GREEN}✓${NC} $1"; }
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warn() { echo -e "${YELLOW}⚠${NC} $1"; }
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error() { echo -e "${RED}✗${NC} $1"; }
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section() { echo -e "\n${CYAN}▶${NC} $1"; }
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# --------------------------------------------------------------------------
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# Dependency checker — validates @include order in .sh.cc files
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#
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# Each lib declares in its header:
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# # Depends-On: colors.sh os.sh (requires these libs to be included first)
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# # Requires-Vars: $FOO $BAR (requires these vars set by prior libs)
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# # Sets-Vars: $FOO $BAR (vars this lib sets, for downstream checks)
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#
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# check_include_deps <lib_path> <included_libs_so_far...>
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# Called each time an @include is processed. Exits 1 if deps are violated.
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# --------------------------------------------------------------------------
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# Parse "# Key: val1 val2 ..." from a lib header, print space-separated values
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_parse_header_field() {
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local lib_file="$1"
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local field="$2" # e.g. "Depends-On" or "Requires-Vars" or "Sets-Vars"
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local raw
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raw=$(grep -m1 "^# ${field}:" "$lib_file" 2>/dev/null | sed "s/^# ${field}:[[:space:]]*//" | tr -d '\r')
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# "(none)" means empty
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[ "$raw" = "(none)" ] && echo "" || echo "$raw"
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}
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# Build a set of all vars set by the listed libs
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_vars_set_by_libs() {
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local lib_dir="$1"; shift
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local libs=("$@")
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for lib in "${libs[@]}"; do
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# libs are stored as "lib/foo.sh" — resolve relative to LIB_DIR parent
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local lib_file="$lib_dir/$lib"
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[ -f "$lib_file" ] || continue
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_parse_header_field "$lib_file" "Sets-Vars"
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done
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}
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check_include_deps() {
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local lib_path="$1"; shift # e.g. "lib/network.sh"
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local included=("$@") # libs included so far (e.g. "lib/colors.sh" "lib/os.sh")
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local lib_file="$LIB_DIR/$lib_path"
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[ -f "$lib_file" ] || return 0 # missing file caught by resolve_include
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local lib_name; lib_name=$(basename "$lib_path")
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local ok=true
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# --- Check Depends-On ---
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local depends_on
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depends_on=$(_parse_header_field "$lib_file" "Depends-On")
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for dep in $depends_on; do
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local dep_path="lib/$dep"
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local found=false
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for inc in "${included[@]}"; do
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[ "$inc" = "$dep_path" ] && found=true && break
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done
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if [ "$found" = false ]; then
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error "[$lib_name] Depends-On '$dep' but it was not @included before this line"
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ok=false
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fi
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done
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# --- Check Requires-Vars ---
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local requires_vars
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requires_vars=$(_parse_header_field "$lib_file" "Requires-Vars")
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# Collect all vars set by already-included libs
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local sets_raw
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sets_raw=$(_vars_set_by_libs "$LIB_DIR" "${included[@]}")
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local sets_list
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sets_list=$(echo "$sets_raw" | tr ' ' '\n' | grep '^\$' | sort -u)
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for var in $requires_vars; do
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[ "$var" = "(none)" ] && continue
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if ! echo "$sets_list" | grep -qxF "$var"; then
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error "[$lib_name] Requires-Vars '$var' but no prior @include Sets it"
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ok=false
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fi
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done
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[ "$ok" = true ] || exit 1
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}
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resolve_include() {
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local lib_file="$LIB_DIR/$1"
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if [ ! -f "$lib_file" ]; then
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error "Include not found: $1 (looked in $LIB_DIR)"
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exit 1
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fi
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local past_header=false
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while IFS= read -r line || [ -n "$line" ]; do
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if [ "$past_header" = false ]; then
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local is_comment=""
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[[ "$line" =~ ^#[[:space:]] ]] && is_comment=1 || true
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[ "$line" = "#" ] && is_comment=1 || true
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if [ -n "$is_comment" ]; then
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continue
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else
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past_header=true
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fi
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fi
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echo "$line"
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done < "$lib_file"
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}
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# --------------------------------------------------------------------------
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# render_template <src_file> <out_file>
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# --------------------------------------------------------------------------
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render_template() {
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local src="$1"
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local out="$2"
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local tmp_file="${out}.tmp"
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local included_libs=() # track @include order for dep checking
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: > "$tmp_file"
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while IFS= read -r line || [ -n "$line" ]; do
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local include_path=""
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[[ "$line" =~ ^@include[[:space:]]+(.+)$ ]] && include_path="${BASH_REMATCH[1]}" || true
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if [ -n "$include_path" ]; then
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check_include_deps "$include_path" "${included_libs[@]}"
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included_libs+=("$include_path")
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echo "" >> "$tmp_file"
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echo "# ---[ @include ${include_path} ]---" >> "$tmp_file"
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resolve_include "$include_path" >> "$tmp_file"
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echo "" >> "$tmp_file"
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else
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echo "$line" >> "$tmp_file"
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fi
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done < "$src"
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mv "$tmp_file" "$out"
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chmod +x "$out"
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}
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# --------------------------------------------------------------------------
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# build_one <src_cc_file> <output_dir>
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# --------------------------------------------------------------------------
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build_one() {
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local src="$1"
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local out_dir="$2"
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local name out
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name=$(basename "$src" .cc) # e.g. install.sh
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out="$out_dir/$name"
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info "Building $name ..."
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render_template "$src" "$out"
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success "→ $out"
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}
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# --------------------------------------------------------------------------
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# cmd_build — normal build, output to scripts/
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# --------------------------------------------------------------------------
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cmd_build() {
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local targets=("$@")
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echo ""
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echo "╔═══════════════════════════════════════════════╗"
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echo "║ 🔨 Shell Script Builder (.sh.cc → .sh) ║"
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echo "╚═══════════════════════════════════════════════╝"
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echo ""
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if [ ${#targets[@]} -gt 0 ]; then
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for target in "${targets[@]}"; do
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local src="$SRC_DIR/${target}.cc"
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[ -f "$src" ] || { error "Source not found: $src"; exit 1; }
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build_one "$src" "$OUT_DIR"
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done
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else
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local found=0
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for src in "$SRC_DIR"/*.sh.cc; do
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[ -f "$src" ] || continue
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build_one "$src" "$OUT_DIR"
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found=$((found + 1))
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done
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[ "$found" -eq 0 ] && warn "No .sh.cc files found in $SRC_DIR"
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fi
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echo ""
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success "Build complete. Output → $OUT_DIR"
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echo ""
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}
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# --------------------------------------------------------------------------
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# cmd_diff — build to tmp/, diff each file against git HEAD version
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# --------------------------------------------------------------------------
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cmd_diff() {
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echo ""
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echo "╔═══════════════════════════════════════════════════════════╗"
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echo "║ 🔍 Diff: build output vs git HEAD (scripts/*.sh) ║"
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echo "╚═══════════════════════════════════════════════════════════╝"
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echo ""
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# Require git
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command -v git >/dev/null 2>&1 || { error "git not found"; exit 1; }
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# Find repo root (scripts/ is one level above build/)
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local repo_root
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repo_root=$(cd "$OUT_DIR" && git rev-parse --show-toplevel 2>/dev/null) || {
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error "Not inside a git repository"
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exit 1
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}
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# Build into tmp/
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mkdir -p "$TMP_DIR"
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info "Building all templates into tmp/ ..."
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echo ""
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for src in "$SRC_DIR"/*.sh.cc; do
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[ -f "$src" ] || continue
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build_one "$src" "$TMP_DIR"
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done
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# Diff each generated file against git HEAD
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echo ""
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section "Comparing tmp/ output against git HEAD ..."
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echo ""
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local any_diff=false
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for new_file in "$TMP_DIR"/*.sh; do
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[ -f "$new_file" ] || continue
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local name; name=$(basename "$new_file")
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local rel_path="scripts/$name"
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# Get HEAD version from git
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local head_content
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head_content=$(cd "$repo_root" && git show "HEAD:${rel_path}" 2>/dev/null) || {
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warn "$name — not found in git HEAD (new file)"
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continue
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}
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# Write HEAD version to a temp file for diff
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local head_file="$TMP_DIR/${name}.HEAD"
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echo "$head_content" > "$head_file"
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# Run diff
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local diff_output
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diff_output=$(diff -u "$head_file" "$new_file" 2>/dev/null) || true
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if [ -z "$diff_output" ]; then
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success "$name — identical to HEAD"
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else
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any_diff=true
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echo -e "${YELLOW}⚠${NC} ${YELLOW}$name — has differences:${NC}"
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echo ""
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# Colorize diff output: + lines green, - lines red, @@ cyan
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echo "$diff_output" | while IFS= read -r dline; do
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case "$dline" in
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"+++"*|"---"*) echo -e "${BLUE}${dline}${NC}" ;;
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"@@"*) echo -e "${CYAN}${dline}${NC}" ;;
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"+"*) echo -e "${GREEN}${dline}${NC}" ;;
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"-"*) echo -e "${RED}${dline}${NC}" ;;
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*) echo "$dline" ;;
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esac
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done
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echo ""
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fi
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rm -f "$head_file"
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done
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# Clean up tmp/
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rm -rf "$TMP_DIR"
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echo ""
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if [ "$any_diff" = true ]; then
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warn "Some files differ from git HEAD — review the diff above."
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else
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success "All outputs are identical to git HEAD."
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fi
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echo ""
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}
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# --------------------------------------------------------------------------
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# Main — dispatch on first argument
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# --------------------------------------------------------------------------
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main() {
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case "${1:-}" in
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--diff)
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cmd_diff
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;;
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--help|-h)
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echo "Usage:"
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echo " bash build.sh # build all .sh.cc → scripts/"
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echo " bash build.sh install.sh # build one file"
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echo " bash build.sh --diff # build to tmp/, diff vs git HEAD"
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;;
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*)
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cmd_build "$@"
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;;
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esac
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}
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main "$@"
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