$ git clone -n https://src.fedoraproject.org/rpms/globus-gass-copy.git /var/lib/mock/f40-build-796728-140843/root/chroot_tmpdir/scmroot/globus-gass-copy
Cloning into '/var/lib/mock/f40-build-796728-140843/root/chroot_tmpdir/scmroot/globus-gass-copy'...
$ git fetch origin b6cd89c6db4349097d23695eb51f3680d5b89dce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/globus-gass-copy
 * [new ref]         b6cd89c6db4349097d23695eb51f3680d5b89dce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6cd89c New GCT release v6.2.20240202