diff options
Diffstat (limited to 'repository.go')
| -rw-r--r-- | repository.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/repository.go b/repository.go index 013b53f..4898838 100644 --- a/repository.go +++ b/repository.go @@ -22,6 +22,7 @@ import ( "github.com/go-git/go-git/v5/config" "github.com/go-git/go-git/v5/internal/path_util" "github.com/go-git/go-git/v5/internal/revision" + "github.com/go-git/go-git/v5/internal/url" "github.com/go-git/go-git/v5/plumbing" "github.com/go-git/go-git/v5/plumbing/cache" formatcfg "github.com/go-git/go-git/v5/plumbing/format/config" @@ -62,6 +63,7 @@ var ( ErrUnableToResolveCommit = errors.New("unable to resolve commit") ErrPackedObjectsNotSupported = errors.New("packed objects not supported") ErrSHA256NotSupported = errors.New("go-git was not compiled with SHA256 support") + ErrAlternatePathNotSupported = errors.New("alternate path must use the file scheme") ) // Repository represents a git repository @@ -887,6 +889,30 @@ func (r *Repository) clone(ctx context.Context, o *CloneOptions) error { return err } + // When the repository to clone is on the local machine, + // instead of using hard links, automatically setup .git/objects/info/alternates + // to share the objects with the source repository + if o.Shared { + if !url.IsLocalEndpoint(o.URL) { + return ErrAlternatePathNotSupported + } + altpath := o.URL + remoteRepo, err := PlainOpen(o.URL) + if err != nil { + return fmt.Errorf("failed to open remote repository: %w", err) + } + conf, err := remoteRepo.Config() + if err != nil { + return fmt.Errorf("failed to read remote repository configuration: %w", err) + } + if !conf.Core.IsBare { + altpath = path.Join(altpath, GitDirName) + } + if err := r.Storer.AddAlternate(altpath); err != nil { + return fmt.Errorf("failed to add alternate file to git objects dir: %w", err) + } + } + ref, err := r.fetchAndUpdateReferences(ctx, &FetchOptions{ RefSpecs: c.Fetch, Depth: o.Depth, |