rust-prebuilt: added new plugin

src/nv-plugins/rust-prebuilt

@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Output lists of versions
+plug_list_versions() {
+    echo $(curl -s https://github.com/mozilla/rust/wiki/Doc-releases | \
+        egrep 'static.rust-lang.org\/dist\/rust-[0-9]+\.[0-9]+\.tar\.gz' | \
+        egrep -o '[0-9]+\.[0-9]+' | uniq | sort --version-sort)
+}
+
+# Return full url for tarball
+plug_url_for_download() {
+    local version=$1
+    local arch=$(nv_get_system_arch "i686" "x86_64")
+    local system=$(nv_get_system "unknown-linux-gnu" "apple-darwin")
+    echo "http://static.rust-lang.org/dist/rust-${version}-${arch}-${system}.tar.gz"
+}
+
+# Like we build
+plug_build() {
+    local src_path=$1
+    local build_path=$2
+    cp -r "$src_path"/*/* "$build_path"
+}

tests/ls-plugins.bats

@@ -16,5 +16,6 @@ load test_helper
     assert_equal "node-prebuilt"    "${lines[7]}"
     assert_equal "python"           "${lines[8]}"
     assert_equal "rust"             "${lines[9]}"
-    assert_equal ""                 "${lines[10]}"
+    assert_equal "rust-prebuilt"    "${lines[10]}"
+    assert_equal ""                 "${lines[11]}"
 }

tests/plugin.rust.bats

@@ -10,5 +10,16 @@ load test_helper
 
     run rustc -v
     assert_success
-    assert_equal "${lines[0]}" "rustc 0.9"
+    assert_equal "rustc 0.9" "${lines[0]}"
+}
+
+@test "plugin: rust-prebuilt" {
+    run nv mk rust_test_env --rust-prebuilt=0.10
+    assert_success
+
+    nv on --same-shell rust_test_env
+
+    run rustc -v
+    assert_success
+    assert_equal "rustc 0.10 (46867cc 2014-04-02 16:59:39 -0700)" "${lines[0]}"
 }