mirror of
https://github.com/juanfont/headscale.git
synced 2026-09-26 18:24:54 +09:00
Kristoffer Dalby
c3d771e23e
Keeps the interlocked pins current and reports what it could not move. Areas apply, gate and commit one at a time, so a dependency that breaks the build costs one commit rather than the whole pull request.
112 lines
3.0 KiB
Go
112 lines
3.0 KiB
Go
package main
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import (
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"context"
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"fmt"
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"strings"
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)
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// changedFiles lists paths that differ from HEAD, tracked or not.
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func changedFiles(ctx context.Context, r *repo) ([]string, error) {
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out, err := r.run(ctx, "git", "status", "--porcelain", "--untracked-files=all")
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if err != nil {
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return nil, err
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}
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var files []string
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for line := range strings.Lines(out) {
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line = strings.TrimRight(line, "\n")
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if len(line) < 4 {
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continue
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}
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path := strings.TrimSpace(line[3:])
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// Renames read as "old -> new"; the destination is what matters.
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if _, dst, ok := strings.Cut(path, " -> "); ok {
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path = dst
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}
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files = append(files, strings.Trim(path, `"`))
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}
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return files, nil
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}
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func headSHA(ctx context.Context, r *repo) (string, error) {
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out, err := r.run(ctx, "git", "rev-parse", "HEAD")
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return strings.TrimSpace(out), err
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}
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// treeSHA identifies the content of the working commit, independent of message
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// or parentage. It is what the pull request marker records so a rerun can tell
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// "nothing new" from "same change, previously rejected".
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func treeSHA(ctx context.Context, r *repo) (string, error) {
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out, err := r.run(ctx, "git", "rev-parse", "HEAD^{tree}")
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return strings.TrimSpace(out), err
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}
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// resetTo rewinds the worktree to sha, leaving nothing behind. Every dropped
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// area goes through here, which is why a drop cannot leave a partial edit in
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// the pull request.
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func resetTo(ctx context.Context, r *repo, sha string) error {
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if _, err := r.run(ctx, "git", "reset", "--hard", sha); err != nil { //nolint:noinlineerr
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return err
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}
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_, err := r.run(ctx, "git", "clean", "-fd")
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return err
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}
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func commitAll(ctx context.Context, r *repo, message string) error {
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if _, err := r.run(ctx, "git", "add", "--all"); err != nil { //nolint:noinlineerr
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return err
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}
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// The bot's own commits are machine-generated and already gated; the
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// hooks re-run the same checks far more slowly.
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_, err := r.run(ctx, "git", "commit", "--no-verify", "--message", message)
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return err
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}
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// startBranch rebuilds the working branch from the base every run. The branch
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// therefore never accumulates history, never conflicts, and the bot keeps no
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// state on disk between runs.
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func startBranch(ctx context.Context, r *repo, remote, base, branch string) error {
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if _, err := r.run(ctx, "git", "fetch", remote, base); err != nil { //nolint:noinlineerr
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return err
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}
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_, err := r.run(ctx, "git", "checkout", "-B", branch, remote+"/"+base)
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return err
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}
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// remoteBranchSHA is the tip of branch on remote, or "" when it does not exist.
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func remoteBranchSHA(ctx context.Context, r *repo, remote, branch string) string {
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out, err := r.run(ctx, "git", "ls-remote", "--heads", remote, branch)
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if err != nil {
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return ""
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}
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fields := strings.Fields(out)
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if len(fields) == 0 {
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return ""
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}
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return fields[0]
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}
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func forcePush(ctx context.Context, r *repo, remote, branch string) error {
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_, err := r.run(ctx, "git", "push", "--force", remote, "HEAD:refs/heads/"+branch)
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if err != nil {
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return fmt.Errorf("pushing %s: %w", branch, err)
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}
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return nil
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}
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