diff options
| -rw-r--r-- | submodule.go | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/submodule.go b/submodule.go index b6bef46..16e946d 100644 --- a/submodule.go +++ b/submodule.go @@ -254,6 +254,24 @@ func (s *Submodule) fetchAndCheckout( return err } + // Handle a case when submodule refers to an orphaned commit that's still reachable + // through Git server using a special protocol capability[1]. + // + // [1]: https://git-scm.com/docs/protocol-capabilities#_allow_reachable_sha1_in_want + if !o.NoFetch { + if _, err := w.r.Object(plumbing.AnyObject, hash); err != nil { + refSpec := config.RefSpec("+" + hash.String() + ":" + hash.String()) + + err := r.FetchContext(ctx, &FetchOptions{ + Auth: o.Auth, + RefSpecs: []config.RefSpec{refSpec}, + }) + if err != nil && err != NoErrAlreadyUpToDate && err != ErrExactSHA1NotSupported { + return err + } + } + } + if err := w.Checkout(&CheckoutOptions{Hash: hash}); err != nil { return err } |