$ git clone -n https://src.fedoraproject.org/rpms/libksysguard.git /var/lib/mock/f41-build-side-115201-61076144-6588638/root/chroot_tmpdir/scmroot/libksysguard
Cloning into '/var/lib/mock/f41-build-side-115201-61076144-6588638/root/chroot_tmpdir/scmroot/libksysguard'...
$ git fetch origin 08c9460dbb1c548a5a7d1a972121ee42a686f57d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libksysguard
 * [new ref]         08c9460dbb1c548a5a7d1a972121ee42a686f57d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08c9460 Merge branch 'rawhide' into f41