$ git clone -n https://src.fedoraproject.org/rpms/ghc-gi-cairo.git /var/lib/mock/f45-build-10315-415/root/chroot_tmpdir/scmroot/ghc-gi-cairo
Cloning into '/var/lib/mock/f45-build-10315-415/root/chroot_tmpdir/scmroot/ghc-gi-cairo'...
$ git fetch origin 65848393af09eb254df3bd3761d2754b5b1d37fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-gi-cairo
 * [new ref]         65848393af09eb254df3bd3761d2754b5b1d37fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6584839 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild