From 27424e2dbaf5ff4ee53da92713d2b4ea04804df6 Mon Sep 17 00:00:00 2001
From: Dale Wijnand <dale.wijnand@gmail.com>
Date: Sun, 18 Nov 2018 18:32:54 +0000
Subject: [PATCH] Use kebab-case for CompileMode, & discard some info

---
 src/cargo/core/compiler/build_config.rs | 22 +++++++++++++++++++++-
 tests/testsuite/build_plan.rs           | 12 ++++++------
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/src/cargo/core/compiler/build_config.rs b/src/cargo/core/compiler/build_config.rs
index bb25de07e..2de8fb575 100644
--- a/src/cargo/core/compiler/build_config.rs
+++ b/src/cargo/core/compiler/build_config.rs
@@ -1,6 +1,8 @@
 use std::path::Path;
 use std::cell::RefCell;
 
+use serde::ser;
+
 use util::{CargoResult, CargoResultExt, Config, RustfixDiagnosticServer};
 
 /// Configuration information for a rustc build.
@@ -111,7 +113,7 @@ pub enum MessageFormat {
 /// `compile_ws` to tell it the general execution strategy.  This influences
 /// the default targets selected.  The other use is in the `Unit` struct
 /// to indicate what is being done with a specific target.
-#[derive(Clone, Copy, PartialEq, Debug, Eq, Hash, PartialOrd, Ord, Serialize)]
+#[derive(Clone, Copy, PartialEq, Debug, Eq, Hash, PartialOrd, Ord)]
 pub enum CompileMode {
     /// A target being built for a test.
     Test,
@@ -136,6 +138,24 @@ pub enum CompileMode {
     RunCustomBuild,
 }
 
+impl ser::Serialize for CompileMode {
+    fn serialize<S>(&self, s: S) -> Result<S::Ok, S::Error>
+    where
+        S: ser::Serializer,
+    {
+        use self::CompileMode::*;
+        match *self {
+            Test => "test".serialize(s),
+            Build => "build".serialize(s),
+            Check { .. } => "check".serialize(s),
+            Bench => "bench".serialize(s),
+            Doc { .. } => "doc".serialize(s),
+            Doctest => "doctest".serialize(s),
+            RunCustomBuild => "run-custom-build".serialize(s),
+        }
+    }
+}
+
 impl CompileMode {
     /// Returns true if the unit is being checked.
     pub fn is_check(self) -> bool {
diff --git a/tests/testsuite/build_plan.rs b/tests/testsuite/build_plan.rs
index c4ed1e098..7b520cfd6 100644
--- a/tests/testsuite/build_plan.rs
+++ b/tests/testsuite/build_plan.rs
@@ -29,7 +29,7 @@ fn cargo_build_plan_simple() {
                 "package_version": "0.5.0",
                 "program": "rustc",
                 "target_kind": ["bin"],
-                "compile_mode": "Build"
+                "compile_mode": "build"
             }
         ]
     }
@@ -88,7 +88,7 @@ fn cargo_build_plan_single_dep() {
                 "package_version": "0.0.1",
                 "program": "rustc",
                 "target_kind": ["lib"],
-                "compile_mode": "Build"
+                "compile_mode": "build"
             },
             {
                 "args": "{...}",
@@ -104,7 +104,7 @@ fn cargo_build_plan_single_dep() {
                 "package_version": "0.5.0",
                 "program": "rustc",
                 "target_kind": ["lib"],
-                "compile_mode": "Build"
+                "compile_mode": "build"
             }
         ]
     }
@@ -152,7 +152,7 @@ fn cargo_build_plan_build_script() {
                 "package_version": "0.5.0",
                 "program": "rustc",
                 "target_kind": ["custom-build"],
-                "compile_mode": "Build"
+                "compile_mode": "build"
             },
             {
                 "args": "{...}",
@@ -166,7 +166,7 @@ fn cargo_build_plan_build_script() {
                 "package_version": "0.5.0",
                 "program": "[..]/build-script-build",
                 "target_kind": ["custom-build"],
-                "compile_mode": "RunCustomBuild"
+                "compile_mode": "run-custom-build"
             },
             {
                 "args": "{...}",
@@ -180,7 +180,7 @@ fn cargo_build_plan_build_script() {
                 "package_version": "0.5.0",
                 "program": "rustc",
                 "target_kind": ["bin"],
-                "compile_mode": "Build"
+                "compile_mode": "build"
             }
         ]
     }