$ git clone -n https://src.fedoraproject.org/rpms/ghc-mmap.git /var/lib/mock/f40-build-742249-110680/root/chroot_tmpdir/scmroot/ghc-mmap
Cloning into '/var/lib/mock/f40-build-742249-110680/root/chroot_tmpdir/scmroot/ghc-mmap'...
$ git reset --hard 097699d4df718241a6d4aafa39be86185aeeacdc
HEAD is now at 097699d bump release