$ git clone -n https://src.fedoraproject.org/rpms/luksmeta.git /var/lib/mock/f40-build-790868-136879/root/chroot_tmpdir/scmroot/luksmeta
Cloning into '/var/lib/mock/f40-build-790868-136879/root/chroot_tmpdir/scmroot/luksmeta'...
$ git fetch origin 253aa4dd50b6d7dfea4a64785d16d95f3b5d2822:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/luksmeta
 * [new ref]         253aa4dd50b6d7dfea4a64785d16d95f3b5d2822 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 253aa4d Opt into %autorelease/%autochangelog