$ git clone -n https://src.fedoraproject.org/rpms/ghc-BoundedChan.git /var/lib/mock/f45-build-9896-411/root/chroot_tmpdir/scmroot/ghc-BoundedChan
Cloning into '/var/lib/mock/f45-build-9896-411/root/chroot_tmpdir/scmroot/ghc-BoundedChan'...
$ git fetch origin f7d40d48dfcfe671c8bc838003705bb4aa64f175:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-BoundedChan
 * [new ref]         f7d40d48dfcfe671c8bc838003705bb4aa64f175 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7d40d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild