$ git clone -n https://src.fedoraproject.org/rpms/pkgconf.git /var/lib/mock/f40-build-786681-134493/root/chroot_tmpdir/scmroot/pkgconf
Cloning into '/var/lib/mock/f40-build-786681-134493/root/chroot_tmpdir/scmroot/pkgconf'...
$ git fetch origin 95c0bbee8010a6039e649262cfd5cc1eeba7e3f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pkgconf
 * [new ref]         95c0bbee8010a6039e649262cfd5cc1eeba7e3f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95c0bbe update to 2.1.0