$ git clone -n https://src.fedoraproject.org/rpms/perl-Alien-CFITSIO.git /var/lib/mock/f40-build-805127-144696/root/chroot_tmpdir/scmroot/perl-Alien-CFITSIO
Cloning into '/var/lib/mock/f40-build-805127-144696/root/chroot_tmpdir/scmroot/perl-Alien-CFITSIO'...
$ git fetch origin 151abe2fdc1bc9c77a5cb1609190ce073bb9ba5b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Alien-CFITSIO
 * [new ref]         151abe2fdc1bc9c77a5cb1609190ce073bb9ba5b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 151abe2 Update to 4.4.0.1