$ git clone -n https://src.fedoraproject.org/rpms/python-rstcheck-core.git /var/lib/mock/f39-build-1508579-35393/root/chroot_tmpdir/scmroot/python-rstcheck-core
Cloning into '/var/lib/mock/f39-build-1508579-35393/root/chroot_tmpdir/scmroot/python-rstcheck-core'...
$ git fetch origin 5b7117d3ce87fd22607e9e4e2f6dd9de9511ac0a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rstcheck-core
 * [new ref]         5b7117d3ce87fd22607e9e4e2f6dd9de9511ac0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b7117d fix: disable failing test, add extras for testing (fixes rhbz#2226320)