$ git clone -n https://src.fedoraproject.org/rpms/ghc-djinn-lib.git /var/lib/mock/f45-build-10211-414/root/chroot_tmpdir/scmroot/ghc-djinn-lib
Cloning into '/var/lib/mock/f45-build-10211-414/root/chroot_tmpdir/scmroot/ghc-djinn-lib'...
$ git fetch origin 07ee7f7392e7820cada5701c2a9515ef3051f609:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-djinn-lib
 * [new ref]         07ee7f7392e7820cada5701c2a9515ef3051f609 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07ee7f7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild