$ git clone -n https://src.fedoraproject.org/rpms/ghc-MemoTrie.git /var/lib/mock/f45-build-9921-411/root/chroot_tmpdir/scmroot/ghc-MemoTrie
Cloning into '/var/lib/mock/f45-build-9921-411/root/chroot_tmpdir/scmroot/ghc-MemoTrie'...
$ git fetch origin 0ea7609eae053762bfcd244fb275c3978ff7cf71:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-MemoTrie
 * [new ref]         0ea7609eae053762bfcd244fb275c3978ff7cf71 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ea7609 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild