$ git clone -n https://src.fedoraproject.org/rpms/jol.git /var/lib/mock/f40-build-2628838-65502/root/chroot_tmpdir/scmroot/jol
Cloning into '/var/lib/mock/f40-build-2628838-65502/root/chroot_tmpdir/scmroot/jol'...
$ git fetch origin 3a3816b4e13c8b83c385f0b9b9a99591f99c9855:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jol
 * [new ref]         3a3816b4e13c8b83c385f0b9b9a99591f99c9855 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a3816b Rebuilt for java-21-openjdk as system jdk