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@ -1,126 +0,0 @@
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#!/usr/bin/env bash
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set -euo pipefail
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msg_file="${1:-}"
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if [[ -z "${msg_file}" || ! -f "${msg_file}" ]]; then
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echo "错误：未找到提交信息文件（commit-msg hook 未收到有效参数）。" >&2
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exit 1
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fi
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# 读取第一条“有效提交信息”（跳过空行与注释行），并兼容 CRLF。
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first_line="$(
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awk '
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{
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sub(/\r$/, "")
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if ($0 ~ /^[[:space:]]*#/) next
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if ($0 ~ /^[[:space:]]*$/) next
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print
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exit
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}
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' "${msg_file}"
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)"
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allowed_types=(
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feat fix docs style refactor perf test build ci chore revert
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)
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allowed_scopes=(
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frontend ast sema ir irgen mir backend antlr build test doc dev
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)
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print_allowed() {
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local IFS="|"
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echo "允许的 type：${allowed_types[*]}" >&2
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echo "允许的 scope：${allowed_scopes[*]}" >&2
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}
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fail() {
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local reason="$1"
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local extra="${2:-}"
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echo "错误：提交信息不符合规范：${reason}" >&2
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echo "" >&2
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echo "当前提交信息：" >&2
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echo " ${first_line}" >&2
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echo "" >&2
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echo "规范格式：" >&2
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echo " <type>(<scope>): <subject>" >&2
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echo "" >&2
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echo "注意：" >&2
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echo " 1) 冒号必须是英文 ':'（不是中文 '：'）。" >&2
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echo " 2) 冒号后必须严格跟 1 个空格（': '）。" >&2
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echo "" >&2
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print_allowed
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echo "" >&2
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echo "示例：" >&2
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echo " feat(irgen): add constant folding" >&2
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echo " fix(sema): handle null symbol" >&2
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echo " docs(doc): update build instructions" >&2
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if [[ -n "${extra}" ]]; then
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echo "" >&2
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echo "${extra}" >&2
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fi
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echo "" >&2
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echo "参考文档：doc/Git Commit Message 规范.md" >&2
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exit 1
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}
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if [[ -z "${first_line}" ]]; then
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fail "提交信息为空（第一行不能为空）。"
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fi
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# 允许 merge 提交信息（如：git merge 默认生成的 message）。
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if [[ "${first_line}" == "Merge "* ]]; then
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exit 0
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fi
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# 允许 fixup!/squash!（用于 rebase --autosquash 等流程）。
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if [[ "${first_line}" == "fixup!"* || "${first_line}" == "squash!"* ]]; then
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exit 0
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fi
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# 先做一些常见错误的定向提示。
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if [[ "${first_line}" == *"："* ]]; then
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fail "检测到中文冒号 '：'。" "请把中文冒号替换为英文冒号 ':'，并确保冒号后有且仅有 1 个空格。"
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fi
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if [[ "${first_line}" =~ ^[A-Za-z]+\([A-Za-z]+\):[^[:space:]].*$ ]]; then
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fail "冒号后缺少空格。" "正确写法应为 ': '（英文冒号 + 1 个空格）。"
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fi
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if [[ "${first_line}" =~ ^[A-Za-z]+\([A-Za-z]+\):[[:space:]]{2,}.*$ ]]; then
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fail "冒号后空格数量不正确（多于 1 个空格）。" "请确保冒号后严格是 1 个空格（': '）。"
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fi
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type=""
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scope=""
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subject=""
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if [[ "${first_line}" =~ ^([A-Za-z]+)\(([A-Za-z]+)\):\ (.+)$ ]]; then
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type="${BASH_REMATCH[1]}"
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scope="${BASH_REMATCH[2]}"
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subject="${BASH_REMATCH[3]}"
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else
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fail "格式不正确。" "请按 '<type>(<scope>): <subject>' 格式填写。"
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fi
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if [[ "${subject}" =~ ^[[:space:]] ]]; then
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fail "冒号后的空格数量不正确（多于 1 个空格）。" "请确保冒号后严格是 1 个空格（': '）。"
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fi
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case "${type}" in
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feat | fix | docs | style | refactor | perf | test | build | ci | chore | revert) ;;
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*)
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fail "type 不合法：${type}" "请使用允许的 type（小写）。"
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;;
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esac
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case "${scope}" in
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frontend | ast | sema | ir | irgen | mir | backend | antlr | build | test | doc | dev) ;;
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*)
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fail "scope 不合法：${scope}" "请使用允许的 scope（严格限制）。"
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;;
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esac
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exit 0
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