| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "errors" |
| 5 | "os" |
| 6 | "os/exec" |
| 7 | "path/filepath" |
| 8 | "testing" |
| 9 | |
| 10 | "reasonix/internal/gitcmd" |
| 11 | ) |
| 12 | |
| 13 | // partialClone returns a blob-filtered clone of a three-commit repository, so |
| 14 | // the blobs of every commit but the checked-out one are absent locally. |
| 15 | func partialClone(t *testing.T) string { |
| 16 | t.Helper() |
| 17 | if _, err := exec.LookPath("git"); err != nil { |
| 18 | t.Skip("git not installed") |
| 19 | } |
| 20 | src := t.TempDir() |
| 21 | run := func(dir string, args ...string) { |
| 22 | t.Helper() |
| 23 | cmd := exec.Command("git", append([]string{"-C", dir}, args...)...) |
| 24 | cmd.Env = append(os.Environ(), "GIT_AUTHOR_NAME=t", "GIT_AUTHOR_EMAIL=t@t", "GIT_COMMITTER_NAME=t", "GIT_COMMITTER_EMAIL=t@t") |
| 25 | if out, err := cmd.CombinedOutput(); err != nil { |
| 26 | t.Fatalf("git %v: %v\n%s", args, err, out) |
| 27 | } |
| 28 | } |
| 29 | run(src, "init", "-q") |
| 30 | for _, body := range []string{"1\n", "2\n", "3\n"} { |
| 31 | if err := os.WriteFile(filepath.Join(src, "a.txt"), []byte(body), 0o644); err != nil { |
| 32 | t.Fatal(err) |
| 33 | } |
| 34 | run(src, "add", "a.txt") |
| 35 | run(src, "commit", "-q", "-m", body) |
| 36 | } |
| 37 | run(src, "config", "uploadpack.allowFilter", "true") |
| 38 | clone := filepath.Join(t.TempDir(), "partial") |
| 39 | run(src, "clone", "-q", "--filter=blob:none", "file://"+src, clone) |
| 40 | return clone |
| 41 | } |
| 42 | |
| 43 | // A historical patch in a partial clone fails with an error naming the |
| 44 | // unfetched objects, which the commit-detail view can tell from other failures. |
| 45 | func TestCommitDetailInPartialCloneReportsObjectNotLocal(t *testing.T) { |
| 46 | clone := partialClone(t) |
| 47 | out, err := workspaceGit(openWorkspaceRepo(clone), "-C", clone, "show", "--pretty=format:", "--patch", "HEAD~1", "--", "a.txt").Output() |
| 48 | if err == nil { |
| 49 | t.Fatalf("show of an unfetched commit succeeded: %s", out) |
| 50 | } |
| 51 | if got := notLocalOr(openWorkspaceRepo(clone), "HEAD~1", err); !errors.Is(got, gitcmd.ErrObjectNotLocal) { |
| 52 | t.Fatalf("notLocalOr = %v, want ErrObjectNotLocal", got) |
| 53 | } |
| 54 | other := errors.New("other") |
| 55 | if got := notLocalOr(openWorkspaceRepo(clone), "no-such-rev", other); !errors.Is(got, other) { |
| 56 | t.Fatalf("notLocalOr(no-such-rev) = %v, want the original error passed through", got) |
| 57 | } |
| 58 | } |
| 59 |