$ git clone -n https://src.fedoraproject.org/rpms/libksysguard.git /var/lib/mock/f41-build-side-1-3003012-36613/root/chroot_tmpdir/scmroot/libksysguard
Cloning into '/var/lib/mock/f41-build-side-1-3003012-36613/root/chroot_tmpdir/scmroot/libksysguard'...
$ git fetch origin caf4070ffd0a1b87ae8a8ccfb2d218fd93def128:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libksysguard
 * [new ref]         caf4070ffd0a1b87ae8a8ccfb2d218fd93def128 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at caf4070 6.2.1