$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-semigroups.git /var/lib/mock/f41-build-1102538-20044/root/chroot_tmpdir/scmroot/gap-pkg-semigroups
Cloning into '/var/lib/mock/f41-build-1102538-20044/root/chroot_tmpdir/scmroot/gap-pkg-semigroups'...
$ git fetch origin 222cd0ad71492a72b1ed5babd6e9419c0c25c21f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-semigroups
 * [new ref]         222cd0ad71492a72b1ed5babd6e9419c0c25c21f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 222cd0a Version 5.3.7