$ git clone -n https://src.fedoraproject.org/rpms/cglib.git /var/lib/mock/f40-build-2504118-61700/root/chroot_tmpdir/scmroot/cglib
Cloning into '/var/lib/mock/f40-build-2504118-61700/root/chroot_tmpdir/scmroot/cglib'...
$ git fetch origin b9286d27f9ad54b03c5155b4947371987a87938f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cglib
 * [new ref]         b9286d27f9ad54b03c5155b4947371987a87938f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9286d2 Rebuilt for java-21-openjdk as system jdk