$ git clone -n https://src.fedoraproject.org/rpms/ghc-cassava.git /var/lib/mock/f33-build-185212-45726/root/chroot_tmpdir/scmroot/ghc-cassava
Cloning into '/var/lib/mock/f33-build-185212-45726/root/chroot_tmpdir/scmroot/ghc-cassava'...
$ git reset --hard 37301e1325a44a9169739f411255776681447f48
HEAD is now at 37301e1 drop redundant bytestring flag patch