$ git clone -n https://src.fedoraproject.org/rpms/cglib.git /var/lib/mock/f39-build-1506423-35189/root/chroot_tmpdir/scmroot/cglib
Cloning into '/var/lib/mock/f39-build-1506423-35189/root/chroot_tmpdir/scmroot/cglib'...
$ git fetch origin 1b2c9d7c9ec6151e73221b3df7d29280753c5d33:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cglib
 * [new ref]         1b2c9d7c9ec6151e73221b3df7d29280753c5d33 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b2c9d7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild