$ git clone -n https://src.fedoraproject.org/rpms/gnome-mahjongg.git /var/lib/mock/f39-build-1533689-36229/root/chroot_tmpdir/scmroot/gnome-mahjongg
Cloning into '/var/lib/mock/f39-build-1533689-36229/root/chroot_tmpdir/scmroot/gnome-mahjongg'...
$ git fetch origin 23f5ff94e02d55b91d31a299b59ddb0b0840c243:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-mahjongg
 * [new ref]         23f5ff94e02d55b91d31a299b59ddb0b0840c243 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23f5ff9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild