$ git clone -n https://src.fedoraproject.org/rpms/xforms.git /var/lib/mock/f39-build-1536488-36320/root/chroot_tmpdir/scmroot/xforms
Cloning into '/var/lib/mock/f39-build-1536488-36320/root/chroot_tmpdir/scmroot/xforms'...
$ git fetch origin 2ecb27f75023c8e64d8b709b78a150499a535c8a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xforms
 * [new ref]         2ecb27f75023c8e64d8b709b78a150499a535c8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ecb27f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild