$ git clone -n https://src.fedoraproject.org/rpms/keysmith.git /var/lib/mock/f39-build-2063434-49184/root/chroot_tmpdir/scmroot/keysmith
Cloning into '/var/lib/mock/f39-build-2063434-49184/root/chroot_tmpdir/scmroot/keysmith'...
$ git fetch origin 0678a0753cce329c80a5de774dc4486201d5022c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/keysmith
 * [new ref]         0678a0753cce329c80a5de774dc4486201d5022c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0678a07 23.08.4