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Record builds interrupted by a server shutdown as INTERRUPTED, not FAILED

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A systemd stop killed the running build process and BuildExecutor
classified the death as FAILED, posting a red Gitea status; FAILED is
not restartable, so the startup recovery never re-enqueued the build.

A ContextClosedEvent listener now sets a shuttingDown flag, terminates
the process trees of executing builds, and drains until their
INTERRUPTED results are persisted. Queued builds stay PENDING without
starting a process; recovery re-enqueues both after the restart.
INTERRUPTED publishes as Gitea state "pending" instead of "failure",
since the build is going to be re-run.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
mhoennig
2026-08-10 17:26:10 +02:00
co-authored by Claude Fable 5
parent fbdc6f54b7
commit 40f54a1298
7 changed files with 236 additions and 20 deletions
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.claude/skills/architecture/SKILL.md
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@@ -56,6 +56,8 @@ Three places must stay in sync when config keys change: the `GitTallyConfig` dat
`BuildExecutor` runs builds asynchronously: up to `builds.maxConcurrent` branches concurrently (default 1), but never more than one build per branch at a time. Each branch builds in its own reusable git worktree at `.git/gittally/worktrees/<branchKey>` (`BranchWorkspaces`), checked out detached at the requested commit — the primary checkout is never used for builds. Status transitions are persisted via `BuildResultRepository` (JSON file under `.git/gittally/`), published to Gitea non-fatally, and emitted as `BuildStatusChangedEvent`s. Cancellation addresses a build by artifact key and terminates the whole process tree. Future code (watcher, server, UI) must not assume a single running build.
On context close (e.g. systemd SIGTERM), a `ContextClosedEvent` listener in `BuildExecutor` terminates the process trees of all executing builds and waits (bounded) until their results are persisted as INTERRUPTED — a shutdown is never recorded as FAILED. Builds still queued stay PENDING and start no process. Both are re-enqueued by the watcher's startup recovery; INTERRUPTED therefore publishes as Gitea state `pending`, not `failure` (`GiteaStateMapping`).
The runtime is selected per branch behind the `BuildRunner` interface: `DispatchingBuildRunner` (`@Primary`) routes to native `ProcessBuildRunner` (the default) or to `DockerBuildRunner` when `branches.<name>.docker.enabled`. The Docker runner shells out to the `docker` CLI (no SDK): it (re)builds the configured image when the Dockerfile inputs changed (tracked via the `org.gittally.build-inputs-sha256` image label), maintains a per-repo Gradle cache volume, mounts the worktree and the Docker socket into a labelled (`org.hoennig.gittally`) `--rm --init` container, and repairs workspace ownership in-container after each command (under a rootless daemon the container runs as root, which is the host user, and the repair degenerates to `0:0`). Git works inside the container: the primary `.git` is mounted read-only with `.git/gittally/` masked by an empty tmpfs (credential isolation) and the worktree's admin dir mounted read-write (`gitMetadataMounts`). The returned `Process` is the attached `docker run` client, so log streaming and termination work exactly like native builds.
## Watcher