$ git clone -n https://src.fedoraproject.org/rpms/python-mplcairo.git /var/lib/mock/f40-build-1792514-24858/root/chroot_tmpdir/scmroot/python-mplcairo
Cloning into '/var/lib/mock/f40-build-1792514-24858/root/chroot_tmpdir/scmroot/python-mplcairo'...
$ git fetch origin f6d920d9952dbd2302897f211173177b348db277:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-mplcairo
 * [new ref]         f6d920d9952dbd2302897f211173177b348db277 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6d920d Backport fix to build against latest wheel