$ git clone -n https://src.fedoraproject.org/rpms/mod_psgi.git /var/lib/mock/f41-build-816794-150408/root/chroot_tmpdir/scmroot/mod_psgi
Cloning into '/var/lib/mock/f41-build-816794-150408/root/chroot_tmpdir/scmroot/mod_psgi'...
$ git fetch origin 810fc6ae84f9da82f2a3efaf2ec4b93a295c343f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mod_psgi
 * [new ref]         810fc6ae84f9da82f2a3efaf2ec4b93a295c343f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 810fc6a Perl 5.40 rebuild