$ git clone -n https://src.fedoraproject.org/rpms/pypy3.9.git /var/lib/mock/f40-build-770872-125901/root/chroot_tmpdir/scmroot/pypy3.9
Cloning into '/var/lib/mock/f40-build-770872-125901/root/chroot_tmpdir/scmroot/pypy3.9'...
$ git fetch origin 18f5682471598173bf765961f6330b1560db9690:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pypy3.9
 * [new ref]         18f5682471598173bf765961f6330b1560db9690 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18f5682 Update to 7.3.13