$ git clone -n https://src.fedoraproject.org/rpms/gpicview.git /var/lib/mock/f40-build-2241119-53661/root/chroot_tmpdir/scmroot/gpicview
Cloning into '/var/lib/mock/f40-build-2241119-53661/root/chroot_tmpdir/scmroot/gpicview'...
$ git fetch origin 9d0febf821d7e6e5a0cb2e76fa1fbc08282f8b38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gpicview
 * [new ref]         9d0febf821d7e6e5a0cb2e76fa1fbc08282f8b38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d0febf Update to the latest git