$ git clone -n https://src.fedoraproject.org/rpms/pythran.git /var/lib/mock/f39-build-1901077-42855/root/chroot_tmpdir/scmroot/pythran
Cloning into '/var/lib/mock/f39-build-1901077-42855/root/chroot_tmpdir/scmroot/pythran'...
$ git fetch origin 8e8af67e26bff8c71b53de988eabdc1fe8916cb1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pythran
 * [new ref]         8e8af67e26bff8c71b53de988eabdc1fe8916cb1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e8af67 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild