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package ref
import (
"bufio"
"gitlab.com/gitlab-org/gitaly/internal/git"
"gitlab.com/gitlab-org/gitaly/internal/git/catfile"
"gitlab.com/gitlab-org/gitaly/internal/git/log"
"gitlab.com/gitlab-org/gitaly/internal/helper"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
)
func (s *server) ListNewCommits(in *gitalypb.ListNewCommitsRequest, stream gitalypb.RefService_ListNewCommitsServer) error {
oid := in.GetCommitId()
if err := git.ValidateCommitID(oid); err != nil {
return helper.ErrInvalidArgument(err)
}
if err := listNewCommits(in, stream, oid); err != nil {
return helper.ErrInternal(err)
}
return nil
}
func listNewCommits(in *gitalypb.ListNewCommitsRequest, stream gitalypb.RefService_ListNewCommitsServer, oid string) error {
ctx := stream.Context()
revList, err := git.SafeCmd(ctx, in.GetRepository(), nil, git.SubCmd{
Name: "rev-list",
Flags: []git.Option{git.Flag{Name: "--not"}, git.Flag{Name: "--all"}},
Args: []string{"^" + oid}, // the added ^ is to negate the oid since there is a --not option that comes earlier in the arg list
})
if err != nil {
return err
}
batch, err := catfile.New(ctx, in.GetRepository())
if err != nil {
return err
}
commits := []*gitalypb.GitCommit{}
scanner := bufio.NewScanner(revList)
for scanner.Scan() {
line := scanner.Text()
commit, err := log.GetCommitCatfile(ctx, batch, line)
if err != nil {
return err
}
commits = append(commits, commit)
if len(commits) >= 10 {
response := &gitalypb.ListNewCommitsResponse{Commits: commits}
if err := stream.Send(response); err != nil {
return err
}
commits = commits[:0]
}
}
if len(commits) > 0 {
response := &gitalypb.ListNewCommitsResponse{Commits: commits}
if err := stream.Send(response); err != nil {
return err
}
}
return revList.Wait()
}
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