$ git clone -n https://src.fedoraproject.org/rpms/infinipath-psm.git /var/lib/mock/f40-build-802341-143996/root/chroot_tmpdir/scmroot/infinipath-psm
Cloning into '/var/lib/mock/f40-build-802341-143996/root/chroot_tmpdir/scmroot/infinipath-psm'...
$ git fetch origin 0d7e0517cc0650fe59f3e61e6f762f4fc6d0dde3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/infinipath-psm
 * [new ref]         0d7e0517cc0650fe59f3e61e6f762f4fc6d0dde3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d7e051 set `arch` environment variable for `make`