$ git clone -n https://src.fedoraproject.org/rpms/golang-mvdan-sh-3.git /var/lib/mock/f39-build-1570833-37775/root/chroot_tmpdir/scmroot/golang-mvdan-sh-3
Cloning into '/var/lib/mock/f39-build-1570833-37775/root/chroot_tmpdir/scmroot/golang-mvdan-sh-3'...
$ git fetch origin b49f01f8d1050ed522a901ff7fa8e43dd646e6d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-mvdan-sh-3
 * [new ref]         b49f01f8d1050ed522a901ff7fa8e43dd646e6d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b49f01f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild