$ git clone -n https://src.fedoraproject.org/rpms/golang-github-containerd-ttrpc.git /var/lib/mock/f39-build-1875984-42738/root/chroot_tmpdir/scmroot/golang-github-containerd-ttrpc
Cloning into '/var/lib/mock/f39-build-1875984-42738/root/chroot_tmpdir/scmroot/golang-github-containerd-ttrpc'...
$ git fetch origin 95c770789b33528c5107b7bc9d6208630af5156a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-containerd-ttrpc
 * [new ref]         95c770789b33528c5107b7bc9d6208630af5156a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95c7707 Update to 1.2.2