$ git clone -n https://src.fedoraproject.org/rpms/komikku.git /var/lib/mock/f40-build-2227517-53026/root/chroot_tmpdir/scmroot/komikku
Cloning into '/var/lib/mock/f40-build-2227517-53026/root/chroot_tmpdir/scmroot/komikku'...
$ git fetch origin 6a7695b6da0612c724710b1a0034b6e3769db358:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/komikku
 * [new ref]         6a7695b6da0612c724710b1a0034b6e3769db358 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a7695b [packit] 1.32.0 upstream release