$ git clone -n https://src.fedoraproject.org/rpms/xfconf.git /var/lib/mock/f39-build-1520859-35832/root/chroot_tmpdir/scmroot/xfconf
Cloning into '/var/lib/mock/f39-build-1520859-35832/root/chroot_tmpdir/scmroot/xfconf'...
$ git fetch origin 5cbdd1db65952385cf7da232cd3b63b8603a76c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfconf
 * [new ref]         5cbdd1db65952385cf7da232cd3b63b8603a76c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cbdd1d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild