rustfmt: an example cargo build package

rustfmt is a Rust package to format Rust code. This package is being
used as an example of building a crate in Yocto with Cargo.

recipes-example/rustfmt/rustfmt_0.4.0.bb

@@ -0,0 +1,47 @@
+inherit crate-fetch
+inherit cargo_build
+
+CARGO_INDEX_COMMIT = "3b3994e099281c394a6a66604d1af6c0920e4c31"
+
+SRC_URI = " \
+    crate://aho-corasick/0.5.1 \
+    crate://bitflags/0.5.0 \
+    crate://diff/0.1.9 \
+    crate://env_logger/0.3.2 \
+    crate://getopts/0.2.14 \
+    crate://kernel32-sys/0.2.1 \
+    crate://libc/0.2.8 \
+    crate://log/0.3.5 \
+    crate://memchr/0.1.10 \
+    crate://regex/0.1.58 \
+    crate://regex-syntax/0.3.0 \
+    crate://rustc-serialize/0.3.18 \
+    crate://strings/0.0.1 \
+    crate://syntex_syntax/0.30.0 \
+    crate://term/0.2.14 \
+    crate://toml/0.1.28 \
+    crate://unicode-segmentation/0.1.2 \
+    crate://unicode-xid/0.0.3 \
+    crate://utf8-ranges/0.1.3 \
+    crate://winapi/0.2.6 \
+    crate://winapi-build/0.1.1 \
+    https://github.com/rust-lang-nursery/rustfmt/archive/v0.4.tar.gz \
+    crate-index://${CARGO_INDEX_COMMIT} \
+"
+SRC_URI[md5sum] = "7fc46357c9c5e72a3a1ec3630c8c7a05"
+SRC_URI[sha256sum] = "770c66dc845424a0c9a7f51b47d8de1e2605298da9b257ddde1d5be6fe01331f"
+SRC_URI[index.md5sum] = "79f10f436dbf26737cc80445746f16b4"
+SRC_URI[index.sha256sum] = "86114b93f1f51aaf0aec3af0751d214b351f4ff9839ba031315c1b19dcbb1913"
+
+# rustfmt 0.5.0
+#LIC_FILES_CHKSUM=" \
+#    file://LICENSE-APACHE;md5=1836efb2eb779966696f473ee8540542 \
+#    file://LICENSE-MIT;md5=0b29d505d9225d1f0815cbdcf602b901 \
+#"
+LIC_FILES_CHKSUM="file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
+
+SUMMARY = "Format Rust Code"
+HOMEPAGE = "https://github.com/rust-lang-nursery/rustfmt"
+LICENSE = "MIT | Apache-2.0"
+
+S = "${WORKDIR}/${PN}-0.4"