$ git clone -n https://src.fedoraproject.org/rpms/dev86.git /var/lib/mock/f42-build-3528279-46309/root/chroot_tmpdir/scmroot/dev86
Cloning into '/var/lib/mock/f42-build-3528279-46309/root/chroot_tmpdir/scmroot/dev86'...
$ git fetch origin 6ad63a843da25a40d9c22e520b1200d637088541:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dev86
 * [new ref]         6ad63a843da25a40d9c22e520b1200d637088541 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ad63a8 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild