$ git clone -n https://src.fedoraproject.org/rpms/jctools.git /var/lib/mock/f41-build-804580-13846/root/chroot_tmpdir/scmroot/jctools
Cloning into '/var/lib/mock/f41-build-804580-13846/root/chroot_tmpdir/scmroot/jctools'...
$ git fetch origin 04b8f3de343e3a9de1b8f9ad69b353f394ea86ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jctools
 * [new ref]         04b8f3de343e3a9de1b8f9ad69b353f394ea86ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04b8f3d Rebuilt for java-21-openjdk as system jdk