agent-exec transport 8ecd2d460b06691d84085186520d1607/6181fd4def51

This commit is contained in:
agent-exec-transport
2026-10-17 07:42:56 +00:00
parent 00384d807f
commit 2e0f6e9197
12 changed files with 335 additions and 10 deletions
Executable
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#!/usr/bin/env bash
# 共享 dm-server 薄入口:读取 deps/development-manager 的 gitlink 钉住提交,
# 按该提交构建并缓存 dm-server,再 exec 其子命令(agent-exec、task、governance)。执行语义与退出码以该二进制为准。
set -euo pipefail
root=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)
dm="$root/deps/development-manager"
die() { echo "dm: $*" >&2; exit 2; }
# git 钩子会导出仓库本地变量(GIT_DIR、GIT_INDEX_FILE 等),它们会让 `git -C "$dm"` 解析到外层仓库。
# 所有针对 DM 检出的 git 与 go 调用都在清除这些变量后执行;读取外层 gitlink 与最终 exec 仍保留继承环境。
dm_local_env="GIT_DIR GIT_WORK_TREE GIT_INDEX_FILE GIT_PREFIX GIT_OBJECT_DIRECTORY GIT_ALTERNATE_OBJECT_DIRECTORIES GIT_COMMON_DIR GIT_GRAFT_FILE GIT_NAMESPACE GIT_CONFIG GIT_CONFIG_PARAMETERS GIT_CONFIG_COUNT GIT_SHALLOW_FILE GIT_IMPLICIT_WORK_TREE $(git rev-parse --local-env-vars 2>/dev/null || true)"
dm_clean_env() { for v in $dm_local_env; do unset "$v"; done; }
dmgit() ( dm_clean_env; git -C "$dm" "$@" )
# 1. 钉住版本只来自索引中的 gitlink(mode 160000),不读取工作区文件。
entry=$(git -C "$root" ls-files -s -- deps/development-manager 2>/dev/null || true)
[ -n "$entry" ] || die "索引中缺少 deps/development-manager 的 gitlink,无法确定钉住的 DM 版本"
read -r mode pin _stage _path <<<"$entry"
[ "$mode" = 160000 ] || die "deps/development-manager 不是 gitlink(mode=$mode)"
[[ "$pin" =~ ^[0-9a-f]{40}$ ]] || die "gitlink 提交格式无效:$pin"
# 2. 检出必须存在且确为 DM 独立仓库(避免 git -C 误解析到外层仓库),HEAD 必须等于钉住提交。
[ -e "$dm/.git" ] || die "deps/development-manager 未检出;请按钉住提交 $pin 检出该 gitlink"
top=$(dmgit rev-parse --show-toplevel 2>/dev/null || true)
[ -n "$top" ] && [ "$top" = "$(cd "$dm" && pwd -P)" ] \
|| die "deps/development-manager 不是独立检出;请按钉住提交 $pin 检出该 gitlink"
head=$(dmgit rev-parse HEAD 2>/dev/null || true)
[ "$head" = "$pin" ] \
|| die "deps/development-manager HEAD(${head:-未知})与钉住提交 $pin 不一致;请按钉住提交检出"
# 3. 检出工作树必须干净(忽略嵌套 submodule 状态)。
dirty=$(dmgit status --porcelain --ignore-submodules=all) \
|| die "无法读取 deps/development-manager 的工作树状态"
[ -z "$dirty" ] || die "deps/development-manager 存在未提交改动,拒绝运行(请先清理该检出)"
# 4. 二进制按钉住提交缓存;缺失时在缓存目录内临时构建,完成后原子改名,避免留下半成品。
cache="${DM_CACHE:-${XDG_CACHE_HOME:-$HOME/.cache}/development-manager/dm-server}"
bin="$cache/dm-server-$pin"
if [ ! -x "$bin" ]; then
command -v go >/dev/null 2>&1 || die "缺少 go,无法构建 dm-server($pin)"
mkdir -p "$cache"
cache=$(cd "$cache" && pwd -P)
bin="$cache/dm-server-$pin"
work=$(mktemp -d "$cache/build-$pin.XXXXXX")
if ! (dm_clean_env; cd "$dm" && GOWORK=off go build -trimpath -o "$work/dm-server" ./cmd/dm-server); then
rm -rf "$work"
die "构建 dm-server 失败($pin)"
fi
mv -f "$work/dm-server" "$bin"
rm -rf "$work"
fi
exec "$bin" "$@"