$ git clone -n https://src.fedoraproject.org/rpms/mediaconch.git /var/lib/mock/f39-build-1671091-40855/root/chroot_tmpdir/scmroot/mediaconch
Cloning into '/var/lib/mock/f39-build-1671091-40855/root/chroot_tmpdir/scmroot/mediaconch'...
$ git fetch origin 35bc54517c64b12b47cb1083dc493af98a47e329:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mediaconch
 * [new ref]         35bc54517c64b12b47cb1083dc493af98a47e329 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35bc545 Update to 23.10.