$ git clone -n https://src.fedoraproject.org/rpms/pypy.git /var/lib/mock/f38-build-side-42-init-devel-1382615-30706/root/chroot_tmpdir/scmroot/pypy
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1382615-30706/root/chroot_tmpdir/scmroot/pypy'...
$ git fetch origin 74aea8bfe0fac52ee554dd62555836d150830320:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pypy
 * [new ref]         74aea8bfe0fac52ee554dd62555836d150830320 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74aea8b Bump the release to make this build in all Fedoras