$ git clone -n https://src.fedoraproject.org/rpms/libksysguard.git /var/lib/mock/f39-build-2064716-49223/root/chroot_tmpdir/scmroot/libksysguard
Cloning into '/var/lib/mock/f39-build-2064716-49223/root/chroot_tmpdir/scmroot/libksysguard'...
$ git fetch origin 3d98cf3fc65f1b53e44db8de08347dbf6861722f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libksysguard
 * [new ref]         3d98cf3fc65f1b53e44db8de08347dbf6861722f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d98cf3 5.27.10