$ git clone -n https://src.fedoraproject.org/rpms/python-sphinxcontrib-github-alt.git /var/lib/mock/f40-build-2318810-58307/root/chroot_tmpdir/scmroot/python-sphinxcontrib-github-alt
Cloning into '/var/lib/mock/f40-build-2318810-58307/root/chroot_tmpdir/scmroot/python-sphinxcontrib-github-alt'...
$ git fetch origin c4e6ba523889106719c962f05ad8dc7cba6f16b4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinxcontrib-github-alt
 * [new ref]         c4e6ba523889106719c962f05ad8dc7cba6f16b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4e6ba5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild