$ git clone -n https://src.fedoraproject.org/rpms/python-fontconfig.git /var/lib/mock/f42-build-466-72/root/chroot_tmpdir/scmroot/python-fontconfig
Cloning into '/var/lib/mock/f42-build-466-72/root/chroot_tmpdir/scmroot/python-fontconfig'...
$ git fetch origin c35ab938bcfce42fc2ede7cb611db9d718ac2e7f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fontconfig
 * [new ref]         c35ab938bcfce42fc2ede7cb611db9d718ac2e7f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c35ab93 Update to 0.6.0