Revert "Remove rustfmt and cargo-fmt"

This reverts commit 9d2229f.

And `cargo updates`

Author: nrc

Cargo.lock

@@ -1,11 +1,9 @@
 [workspace]
 members = [
+    "cargo-fmt",
     "git-rustfmt",
+    "rustfmt-bin",
     "rustfmt-config",
     "rustfmt-core",
     "rustfmt-format-diff",
 ]
-
-[patch.crates-io]
-rustfmt-config = { path = "rustfmt-config" }
-rustfmt-core = { path = "rustfmt-core" }

Cargo.toml

@@ -146,7 +146,9 @@ script:
 
 `cargo test` to run all tests.
 
-To run Rustfmt, you'll need the binaries repo: https://github.com/rust-lang-nursery/rustfmt-bin
+To run rustfmt after this, use `cargo run --bin rustfmt -- filename`. See the
+notes above on running rustfmt.
+
 
 ## Configuring Rustfmt
 

README.md

@@ -0,0 +1,17 @@
+[package]
+name = "cargo-fmt"
+version = "0.4.0"
+authors = ["Nicholas Cameron <[email protected]>", "The Rustfmt developers"]
+description = "Cargo frontend for rustfmt"
+repository = "https://github.com/rust-lang-nursery/rustfmt"
+readme = "README.md"
+license = "Apache-2.0/MIT"
+categories = ["development-tools"]
+
+[[bin]]
+name = "cargo-fmt"
+
+[dependencies]
+cargo_metadata = "0.4"
+getopts = "0.2"
+serde_json = "1.0"