$ git clone -n https://src.fedoraproject.org/rpms/python-mkdocs-rss-plugin.git /var/lib/mock/f42-build-3356248-45027/root/chroot_tmpdir/scmroot/python-mkdocs-rss-plugin
Cloning into '/var/lib/mock/f42-build-3356248-45027/root/chroot_tmpdir/scmroot/python-mkdocs-rss-plugin'...
$ git fetch origin 93368072cd1731fceb2fcc5206585ab16129468d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-mkdocs-rss-plugin
 * [new ref]         93368072cd1731fceb2fcc5206585ab16129468d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9336807 Relax GitPython dependency on f41 as our version is too old