$ git clone -n https://src.fedoraproject.org/rpms/ghc-hint.git /var/lib/mock/f45-build-10367-416/root/chroot_tmpdir/scmroot/ghc-hint
Cloning into '/var/lib/mock/f45-build-10367-416/root/chroot_tmpdir/scmroot/ghc-hint'...
$ git fetch origin f67d616c9d240362e5c6f587cd6691ea9d6406c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hint
 * [new ref]         f67d616c9d240362e5c6f587cd6691ea9d6406c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f67d616 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild