$ git clone -n https://src.fedoraproject.org/rpms/golang-github-gobuffalo-packr.git /var/lib/mock/f40-build-2000474-44469/root/chroot_tmpdir/scmroot/golang-github-gobuffalo-packr
Cloning into '/var/lib/mock/f40-build-2000474-44469/root/chroot_tmpdir/scmroot/golang-github-gobuffalo-packr'...
$ git fetch origin 520394db5889e9a08c824126368caaf08f795b3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-gobuffalo-packr
 * [new ref]         520394db5889e9a08c824126368caaf08f795b3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 520394d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild