$ git clone -n https://src.fedoraproject.org/rpms/kgpg.git /var/lib/mock/f38-build-717433-96560/root/chroot_tmpdir/scmroot/kgpg
Cloning into '/var/lib/mock/f38-build-717433-96560/root/chroot_tmpdir/scmroot/kgpg'...
$ git fetch origin cc9e08cd2f0c876232b937a19b0847d844c08aed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kgpg
 * [new ref]         cc9e08cd2f0c876232b937a19b0847d844c08aed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc9e08c 23.04.1