$ git clone -n https://src.fedoraproject.org/rpms/scamp.git /var/lib/mock/f39-build-1849503-42212/root/chroot_tmpdir/scmroot/scamp
Cloning into '/var/lib/mock/f39-build-1849503-42212/root/chroot_tmpdir/scmroot/scamp'...
$ git fetch origin 15bef1933d58c5274c9a88bcf3a66eb66c16f326:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/scamp
 * [new ref]         15bef1933d58c5274c9a88bcf3a66eb66c16f326 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15bef19 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild