Stabilize -Zcompile-progress.

Closes #2536.

src/bin/cargo/cli.rs

@@ -34,7 +34,6 @@ Available unstable (nightly-only) flags:
     -Z offline          -- Offline mode that does not perform network requests
     -Z unstable-options -- Allow the usage of unstable options such as --registry
     -Z config-profile   -- Read profiles from .cargo/config files
-    -Z compile-progress -- Display a progress bar while compiling
 
 Run with 'cargo -Z [FLAG] [SUBCOMMAND]'"
         );

src/cargo/core/compiler/job_queue.rs

@@ -237,9 +237,6 @@ impl<'a> JobQueue<'a> {
         //       currently a pretty big task. This is issue #5695.
         let mut error = None;
         let mut progress = Progress::with_style("Building", ProgressStyle::Ratio, cx.bcx.config);
-        if !cx.bcx.config.cli_unstable().compile_progress {
-            progress.disable();
-        }
         let total = self.queue.len();
         loop {
             // Dequeue as much work as we can, learning about everything

src/cargo/core/compiler/mod.rs

@@ -10,7 +10,6 @@ use serde_json;
 
 use core::manifest::TargetSourcePath;
 use core::profiles::{Lto, Profile};
-use core::shell::ColorChoice;
 use core::{PackageId, Target};
 use util::errors::{CargoResult, CargoResultExt, Internal};
 use util::paths;
@@ -241,8 +240,6 @@ fn rustc<'a, 'cfg>(
         .unwrap_or_else(|| cx.bcx.config.cwd())
         .to_path_buf();
 
-    let should_capture_output = cx.bcx.config.cli_unstable().compile_progress;
-
     return Ok(Work::new(move |state| {
         // Only at runtime have we discovered what the extra -L and -l
         // arguments are for native libraries, so we process those here. We
@@ -292,12 +289,7 @@ fn rustc<'a, 'cfg>(
         } else if build_plan {
             state.build_plan(buildkey, rustc.clone(), outputs.clone());
         } else {
-            let exec_result = if should_capture_output {
+            exec.exec_and_capture_output(rustc, &package_id, &target, mode, state)
-                exec.exec_and_capture_output(rustc, &package_id, &target, mode, state)
-            } else {
-                exec.exec(rustc, &package_id, &target, mode)
-            };
-            exec_result
                 .map_err(Internal::new)
                 .chain_err(|| format!("Could not compile `{}`.", name))?;
         }
@@ -629,8 +621,6 @@ fn rustdoc<'a, 'cfg>(cx: &mut Context<'a, 'cfg>, unit: &Unit<'a>) -> CargoResult
     let package_id = unit.pkg.package_id().clone();
     let target = unit.target.clone();
 
-    let should_capture_output = cx.bcx.config.cli_unstable().compile_progress;
-
     Ok(Work::new(move |state| {
         if let Some(output) = build_state.outputs.lock().unwrap().get(&key) {
             for cfg in output.cfgs.iter() {
@@ -649,10 +639,8 @@ fn rustdoc<'a, 'cfg>(cx: &mut Context<'a, 'cfg>, unit: &Unit<'a>) -> CargoResult
                     &mut |line| json_stderr(line, &package_id, &target),
                     false,
                 ).map(drop)
-        } else if should_capture_output {
-            state.capture_output(&rustdoc, false).map(drop)
         } else {
-            rustdoc.exec()
+            state.capture_output(&rustdoc, false).map(drop)
         };
         exec_result.chain_err(|| format!("Could not document `{}`.", name))?;
         Ok(())
@@ -709,12 +697,9 @@ fn add_cap_lints(bcx: &BuildContext, unit: &Unit, cmd: &mut ProcessBuilder) {
 }
 
 fn add_color(bcx: &BuildContext, cmd: &mut ProcessBuilder) {
-    let capture_output = bcx.config.cli_unstable().compile_progress;
     let shell = bcx.config.shell();
-    if capture_output || shell.color_choice() != ColorChoice::CargoAuto {
+    let color = if shell.supports_color() { "always" } else { "never" };
-        let color = if shell.supports_color() { "always" } else { "never" };
+    cmd.args(&["--color", color]);
-        cmd.args(&["--color", color]);
-    }
 }
 
 fn add_error_format(bcx: &BuildContext, cmd: &mut ProcessBuilder) {

src/cargo/core/features.rs

@@ -318,7 +318,6 @@ pub struct CliUnstable {
     pub package_features: bool,
     pub advanced_env: bool,
     pub config_profile: bool,
-    pub compile_progress: bool,
 }
 
 impl CliUnstable {
@@ -355,7 +354,6 @@ impl CliUnstable {
             "package-features" => self.package_features = true,
             "advanced-env" => self.advanced_env = true,
             "config-profile" => self.config_profile = true,
-            "compile-progress" => self.compile_progress = true,
             _ => bail!("unknown `-Z` flag specified: {}", k),
         }
 

src/doc/src/reference/unstable.md

@@ -294,22 +294,6 @@ Example:
 cargo +nightly build --build-plan -Z unstable-options
 ```
 
-### Compile progress
-* Tracking Issue: [rust-lang/cargo#2536](https://github.com/rust-lang/cargo/issues/2536)
-
-The `-Z compile-progress` flag enables a progress bar while compiling.
-
-```console
-$ cargo +nightly build -Z compile-progress
-   Compiling libc v0.2.41
-   Compiling void v1.0.2
-   Compiling lazy_static v1.0.1
-   Compiling regex v1.0.0
-   Compiling ucd-util v0.1.1
-   Compiling utf8-ranges v1.0.0
-    Building [=======>                                                  ] 2/14: libc, regex, uc...
-```
-
 ### default-run
 * Original issue: [#2200](https://github.com/rust-lang/cargo/issues/2200)