$ git clone -n https://src.fedoraproject.org/rpms/ghc-unicode-transforms.git /var/lib/mock/f45-build-10895-425/root/chroot_tmpdir/scmroot/ghc-unicode-transforms
Cloning into '/var/lib/mock/f45-build-10895-425/root/chroot_tmpdir/scmroot/ghc-unicode-transforms'...
$ git fetch origin 1eed2d610ecb7c642ef8a75da339d32c37ab0921:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-unicode-transforms
 * [new ref]         1eed2d610ecb7c642ef8a75da339d32c37ab0921 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1eed2d6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild