|
| 1 | +#!/bin/bash |
| 2 | + |
| 3 | +set -euo pipefail |
| 4 | + |
| 5 | +REMOTE_NAME="${REMOTE_NAME:-torvalds}" |
| 6 | +REMOTE_URL="${REMOTE_URL:-https://github.com/torvalds/linux.git}" |
| 7 | +TARGET_BRANCH="${2:-master}" |
| 8 | + |
| 9 | +log_info() { echo -e "\033[32m[INFO]\033[0m $*" >&2; } |
| 10 | +log_error() { echo -e "\033[31m[ERROR]\033[0m $*" >&2; } |
| 11 | + |
| 12 | +main() { |
| 13 | + [ $# -lt 1 ] && { echo "Usage: $0 <range> [branch]" >&2; exit 1; } |
| 14 | + |
| 15 | + local range="$1" |
| 16 | + |
| 17 | + if ! git remote get-url torvalds >/dev/null 2>&1; then |
| 18 | + git remote add torvalds "${REMOTE_URL}" |
| 19 | + else |
| 20 | + git remote set-url torvalds "${REMOTE_URL}" |
| 21 | + fi |
| 22 | + |
| 23 | + git fetch torvalds |
| 24 | + |
| 25 | + if ! git rev-parse --verify "$TARGET_BRANCH^{commit}" >/dev/null 2>&1; then |
| 26 | + log_error "目标分支不存在: $TARGET_BRANCH" |
| 27 | + exit 1 |
| 28 | + fi |
| 29 | + |
| 30 | + local tmp_target=$(mktemp) |
| 31 | + |
| 32 | + log_info "正在导出 $TARGET_BRANCH 标题..." |
| 33 | + git log --format="%s" "$TARGET_BRANCH" 2>/dev/null > "$tmp_target" |
| 34 | + local target_count=$(wc -l < "$tmp_target") |
| 35 | + log_info "目标分支共 $target_count 个标题" |
| 36 | + |
| 37 | + local total=$(git rev-list --count "$range" 2>/dev/null || echo "0") |
| 38 | + log_info "检查范围 $range (共 $total 个提交)..." |
| 39 | + |
| 40 | + log_info "开始筛选..." |
| 41 | + echo "========================================" |
| 42 | + |
| 43 | + # 使用标准AWK(兼容mawk/gawk),避免match()数组捕获 |
| 44 | + git log --format="%H%n%s%n%b%n---COMMIT_END---" --reverse "$range" 2>/dev/null | \ |
| 45 | + awk -v target_file="$tmp_target" -v total="$total" ' |
| 46 | + BEGIN { |
| 47 | + # 加载目标分支标题到数组 |
| 48 | + while ((getline line < target_file) > 0) { |
| 49 | + if (length(line) > 0) target[line] = 1 |
| 50 | + } |
| 51 | + close(target_file) |
| 52 | + |
| 53 | + matched = 0 |
| 54 | + dup = 0 |
| 55 | + no_fixes = 0 |
| 56 | + no_ref = 0 |
| 57 | + processed = 0 |
| 58 | + |
| 59 | + # 读取状态:0=读hash, 1=读subject, 2=读body |
| 60 | + state = 0 |
| 61 | + } |
| 62 | + |
| 63 | + /---COMMIT_END---/ { |
| 64 | + # 处理完一个commit |
| 65 | + if (hash != "") { |
| 66 | + processed++ |
| 67 | + if (processed % 10 == 0) { |
| 68 | + printf "\r[INFO] 进度: %d/%d | 匹配:%d 重复:%d 无Fixes:%d 缺依赖:%d", |
| 69 | + processed, total, matched, dup, no_fixes, no_ref > "/dev/stderr" |
| 70 | + } |
| 71 | + |
| 72 | + # 条件1:标题是否已存在? |
| 73 | + if (subject in target) { |
| 74 | + dup++ |
| 75 | + } else { |
| 76 | + # 条件2:查找 Fixes: 行 |
| 77 | + has_fixes = 0 |
| 78 | + ref_found = 0 |
| 79 | + |
| 80 | + # 分割body行查找 Fixes: |
| 81 | + n = split(body, lines, /\n/) |
| 82 | + for (i=1; i<=n; i++) { |
| 83 | + if (lines[i] ~ /^Fixes:/) { |
| 84 | + has_fixes = 1 |
| 85 | + |
| 86 | + # 提取 ("...") 中的内容(兼容所有awk版本) |
| 87 | + line_content = lines[i] |
| 88 | + start_pos = index(line_content, "(\"") |
| 89 | + |
| 90 | + if (start_pos > 0) { |
| 91 | + # 找到 (" 的位置,提取到 ") 结束 |
| 92 | + temp = substr(line_content, start_pos + 2) |
| 93 | + end_pos = index(temp, "\")") |
| 94 | + |
| 95 | + if (end_pos > 0) { |
| 96 | + ref_title = substr(temp, 1, end_pos - 1) |
| 97 | + |
| 98 | + # 检查引用是否在目标分支 |
| 99 | + if (ref_title in target) { |
| 100 | + ref_found = 1 |
| 101 | + break |
| 102 | + } |
| 103 | + } |
| 104 | + } |
| 105 | + } |
| 106 | + } |
| 107 | + |
| 108 | + if (!has_fixes) { |
| 109 | + no_fixes++ |
| 110 | + } else if (!ref_found) { |
| 111 | + no_ref++ |
| 112 | + } else { |
| 113 | + # 符合条件:有Fixes且引用存在,且标题不重复 |
| 114 | + matched++ |
| 115 | + printf "\r\033[K" > "/dev/stderr" # 清行 |
| 116 | + print hash " " subject |
| 117 | + } |
| 118 | + } |
| 119 | + } |
| 120 | + |
| 121 | + state = 0 |
| 122 | + hash = "" |
| 123 | + subject = "" |
| 124 | + body = "" |
| 125 | + next |
| 126 | + } |
| 127 | + |
| 128 | + state == 0 { |
| 129 | + hash = $0 |
| 130 | + state = 1 |
| 131 | + next |
| 132 | + } |
| 133 | + |
| 134 | + state == 1 { |
| 135 | + subject = $0 |
| 136 | + state = 2 |
| 137 | + next |
| 138 | + } |
| 139 | + |
| 140 | + state == 2 { |
| 141 | + # 累积body行 |
| 142 | + if (body == "") body = $0 |
| 143 | + else body = body "\n" $0 |
| 144 | + next |
| 145 | + } |
| 146 | + |
| 147 | + END { |
| 148 | + printf "\r\033[K" > "/dev/stderr" |
| 149 | + print "[INFO] 完成: 总计 " processed " | 匹配 " matched " | 重复 " dup " | 无Fixes " no_fixes " | 缺依赖 " no_ref > "/dev/stderr" |
| 150 | + } |
| 151 | + ' |
| 152 | + |
| 153 | + echo "========================================" >&2 |
| 154 | + |
| 155 | + rm -f "$tmp_target" |
| 156 | +} |
| 157 | + |
| 158 | +main "$@" |
0 commit comments