$ git clone -n https://src.fedoraproject.org/rpms/golang-github-google-renameio-2.git /var/lib/mock/f39-build-1503654-34981/root/chroot_tmpdir/scmroot/golang-github-google-renameio-2
Cloning into '/var/lib/mock/f39-build-1503654-34981/root/chroot_tmpdir/scmroot/golang-github-google-renameio-2'...
$ git fetch origin 7e47910279fd6f995a51e6aaa4834269e0279528:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-google-renameio-2
 * [new ref]         7e47910279fd6f995a51e6aaa4834269e0279528 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e47910 new import of unretired package, closes rhbz#2231733