$ git clone -n https://src.fedoraproject.org/rpms/osbuild-composer.git /var/lib/mock/f40-build-2665334-67097/root/chroot_tmpdir/scmroot/osbuild-composer
Cloning into '/var/lib/mock/f40-build-2665334-67097/root/chroot_tmpdir/scmroot/osbuild-composer'...
$ git fetch origin 6df5480f722b58b8a57d3c982322571484d75dab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osbuild-composer
 * [new ref]         6df5480f722b58b8a57d3c982322571484d75dab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6df5480 [packit] 103 upstream release