RefService: implement ForEachRefWithObjectsjv-for-each-ref-2

Changelog: added

2 files changed, 467 insertions, 0 deletions

diff --git a/internal/gitaly/service/ref/for_each_ref_with_objects.go b/internal/gitaly/service/ref/for_each_ref_with_objects.go
new file mode 100644
index 000000000..7682a8950
--- /dev/null
+++ b/internal/gitaly/service/ref/for_each_ref_with_objects.go
@@ -0,0 +1,85 @@
+package ref
+
+import (
+	"bufio"
+	"os"
+
+	"gitlab.com/gitlab-org/gitaly/v14/internal/git"
+	"gitlab.com/gitlab-org/gitaly/v14/proto/go/gitalypb"
+	"gitlab.com/gitlab-org/gitaly/v14/streamio"
+)
+
+func (s *server) ForEachRefWithObjects(req *gitalypb.ForEachRefWithObjectsRequest, stream gitalypb.RefService_ForEachRefWithObjectsServer) error {
+	ctx := stream.Context()
+
+	var patterns []string
+	for _, p := range req.GetPatterns() {
+		patterns = append(patterns, string(p))
+	}
+	forEachRefFlags := []git.Option{
+		git.ValueFlag{
+			Name:  "--format",
+			Value: "%(objectname) %(refname)%(if:equals=tag)%(objecttype)%(then)%0a%(objectname)^{} %(refname)^{}%(end)",
+		},
+	}
+	if sort := req.GetSort(); sort != "" {
+		forEachRefFlags = append(forEachRefFlags, git.ValueFlag{Name: "--sort", Value: sort})
+	}
+
+	pr, pw, err := os.Pipe()
+	if err != nil {
+		return err
+	}
+	defer pr.Close()
+	defer pw.Close()
+
+	repo := s.localrepo(req.GetRepository())
+	forEachRef, err := repo.Exec(ctx,
+		git.SubCmd{
+			Name:  "for-each-ref",
+			Flags: forEachRefFlags,
+			Args:  patterns,
+		},
+		git.WithStdout(pw),
+	)
+	if err != nil {
+		return err
+	}
+	if err := pw.Close(); err != nil {
+		return err
+	}
+
+	stdout := bufio.NewWriterSize(streamio.NewWriter(func(p []byte) error {
+		return stream.Send(&gitalypb.ForEachRefWithObjectsResponse{Data: p})
+	}), 32*1024)
+
+	catFile, err := repo.Exec(ctx,
+		git.SubCmd{
+			Name: "cat-file",
+			Flags: []git.Option{
+				git.Flag{Name: "--buffer"},
+				git.Flag{Name: "--batch=%(objectname) %(objecttype) %(objectsize) %(rest)"},
+			},
+		},
+		git.WithStdin(pr),
+		git.WithStdout(stdout),
+	)
+	if err != nil {
+		return err
+	}
+	if err := pr.Close(); err != nil {
+		return err
+	}
+
+	if err := catFile.Wait(); err != nil {
+		return err
+	}
+	if err := forEachRef.Wait(); err != nil {
+		return err
+	}
+	if err := stdout.Flush(); err != nil {
+		return err
+	}
+
+	return nil
+}
diff --git a/internal/gitaly/service/ref/for_each_ref_with_objects_test.go b/internal/gitaly/service/ref/for_each_ref_with_objects_test.go
new file mode 100644
index 000000000..ce8ca9c16
--- /dev/null
+++ b/internal/gitaly/service/ref/for_each_ref_with_objects_test.go
@@ -0,0 +1,382 @@
+package ref
+
+import (
+	"io"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"gitlab.com/gitlab-org/gitaly/v14/internal/git"
+	"gitlab.com/gitlab-org/gitaly/v14/internal/git/gittest"
+	"gitlab.com/gitlab-org/gitaly/v14/internal/testhelper"
+	"gitlab.com/gitlab-org/gitaly/v14/proto/go/gitalypb"
+)
+
+func TestForEachRefWithObjects(t *testing.T) {
+	cfg, client := setupRefServiceWithoutRepo(t)
+
+	repoProto, repoPath := gittest.CloneRepo(t, cfg, cfg.Storages[0])
+
+	ctx, cancel := testhelper.Context()
+	defer cancel()
+
+	// The test repo has no lightweight tags. Add one now.
+	commitID := git.ObjectID("6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9")
+	gittest.WriteTag(t, cfg, repoPath, "v1.3.0", commitID.Revision())
+
+	testCases := []struct {
+		desc     string
+		patterns []string
+		sort     string
+		output   string
+	}{
+		{
+			desc:     "tags in default order",
+			patterns: []string{"refs/tags"},
+			output:   tagV1_0_0 + tagV1_1_0 + tagV1_1_1 + tagV1_3_0,
+		},
+		{
+			desc:     "tags in reverse refname order",
+			patterns: []string{"refs/tags"},
+			output:   tagV1_3_0 + tagV1_1_1 + tagV1_1_0 + tagV1_0_0,
+			sort:     "-refname",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.desc, func(t *testing.T) {
+			req := &gitalypb.ForEachRefWithObjectsRequest{
+				Repository: repoProto,
+				Sort:       tc.sort,
+			}
+			for _, p := range tc.patterns {
+				req.Patterns = append(req.Patterns, []byte(p))
+			}
+
+			c, err := client.ForEachRefWithObjects(ctx, req)
+			require.NoError(t, err)
+
+			var output []byte
+			for {
+				msg, err := c.Recv()
+				if err == io.EOF {
+					break
+				}
+				require.NoError(t, err)
+
+				output = append(output, msg.Data...)
+			}
+
+			require.Equal(t, tc.output, string(output))
+		})
+	}
+}
+
+const (
+	tagV1_0_0 = `f4e6814c3e4e7a0de82a9e7cd20c626cc963a2f8 tag 156 refs/tags/v1.0.0
+object 6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9
+type commit
+tag v1.0.0
+tagger Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com> 1393491299 +0200
+
+Release
+
+6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9 commit 888 refs/tags/v1.0.0^{}
+tree 70d69cce111b0e1f54f7e5438bbbba9511a8e23c
+parent d14d6c0abdd253381df51a723d58691b2ee1ab08
+author Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com> 1393491261 +0200
+committer Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com> 1393491261 +0200
+gpgsig -----BEGIN PGP SIGNATURE-----
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+ Comment: GPGTools - https://gpgtools.org
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+
+More submodules
+
+Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
+
+`
+
+	tagV1_1_0 = `8a2a6eb295bb170b34c24c76c49ed0e9b2eaf34b tag 162 refs/tags/v1.1.0
+object 5937ac0a7beb003549fc5fd26fc247adbce4a52e
+type commit
+tag v1.1.0
+tagger Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com> 1393505709 +0200
+
+Version 1.1.0
+
+5937ac0a7beb003549fc5fd26fc247adbce4a52e commit 902 refs/tags/v1.1.0^{}
+tree a6973545d42361b28bfba5ced3b75dba5848b955
+parent 570e7b2abdd848b95f2f578043fc23bd6f6fd24d
+author Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com> 1393491698 +0200
+committer Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com> 1393491698 +0200
+gpgsig -----BEGIN PGP SIGNATURE-----
+ Version: GnuPG/MacGPG2 v2.0.22 (Darwin)
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+ 
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+
+Add submodule from gitlab.com
+
+Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
+
+`
+
+	tagV1_1_1 = `8f03acbcd11c53d9c9468078f32a2622005a4841 tag 6625 refs/tags/v1.1.1
+object 189a6c924013fc3fe40d6f1ec1dc20214183bc97
+type commit
+tag v1.1.1
+tagger Roger Meier <r.meier@siemens.com> 1574261780 +0100
+
+x509 signed tag
+-----BEGIN SIGNED MESSAGE-----
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+author Roger Meier <r.meier@siemens.com> 1570810009 +0200
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+ -----END SIGNED MESSAGE-----
+
+style: use markdown header within README.md
+
+`
+
+	tagV1_3_0 = `6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9 commit 888 refs/tags/v1.3.0
+tree 70d69cce111b0e1f54f7e5438bbbba9511a8e23c
+parent d14d6c0abdd253381df51a723d58691b2ee1ab08
+author Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com> 1393491261 +0200
+committer Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com> 1393491261 +0200
+gpgsig -----BEGIN PGP SIGNATURE-----
+ Version: GnuPG/MacGPG2 v2.0.22 (Darwin)
+ Comment: GPGTools - https://gpgtools.org
+ 
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+More submodules
+
+Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
+
+`
+)