$ git clone -n https://src.fedoraproject.org/rpms/nordugrid-arc.git /var/lib/mock/f40-build-797462-141351/root/chroot_tmpdir/scmroot/nordugrid-arc
Cloning into '/var/lib/mock/f40-build-797462-141351/root/chroot_tmpdir/scmroot/nordugrid-arc'...
$ git fetch origin 6bf06faeb8929b3012b3ebed4b87cb2184fc58bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nordugrid-arc
 * [new ref]         6bf06faeb8929b3012b3ebed4b87cb2184fc58bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bf06fa Fix compilation with SWIG 4.2