$ git clone -n https://src.fedoraproject.org/rpms/foomatic-db.git /var/lib/mock/f40-build-2198190-51689/root/chroot_tmpdir/scmroot/foomatic-db
Cloning into '/var/lib/mock/f40-build-2198190-51689/root/chroot_tmpdir/scmroot/foomatic-db'...
$ git fetch origin 3e5e18e5822006ba1efb376fd247f83449db20ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/foomatic-db
 * [new ref]         3e5e18e5822006ba1efb376fd247f83449db20ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e5e18e More xargs fixes and fix license