$ git clone -n https://src.fedoraproject.org/rpms/ghc-gi-harfbuzz.git /var/lib/mock/f45-build-10339-415/root/chroot_tmpdir/scmroot/ghc-gi-harfbuzz
Cloning into '/var/lib/mock/f45-build-10339-415/root/chroot_tmpdir/scmroot/ghc-gi-harfbuzz'...
$ git fetch origin 44f995c6563396866befd87662c41d605958c3fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-gi-harfbuzz
 * [new ref]         44f995c6563396866befd87662c41d605958c3fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44f995c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild