feat(config): Add install.profile

Author: epage

doc/book/src/reference/config.md

@@ -120,6 +120,7 @@ user-agent = "…"            # the user-agent header
 
 [install]
 root = "/some/path"         # `cargo install` destination directory
+profile = "release"         # build using the specified profile
 
 [net]
 retry = 3                   # network retries
@@ -936,6 +937,24 @@ your home directory).
 
 Can be overridden with the `--root` command-line option.
 
+#### `install.profile`
+* Type: string
+* Default: `"release"`
+* Environment: `CARGO_INSTALL_PROFILE`
+
+The default [profile] to compile with.
+
+Can be overridden with the `--debug` or `--profile` CLI options.
+
+```toml
+[install]
+profile = "tool"
+
+[profile.tool]
+inherits = "release"
+lto = true
+```
+
 ### `[net]`
 
 The `[net]` table controls networking configuration.

src/bin/cargo/commands/install.rs

@@ -9,6 +9,7 @@ use cargo::util::IntoUrl;
 use cargo::util::VersionExt;
 use cargo::workspace::{GitReference, SourceId, Workspace};
 use cargo_util_schemas::manifest::PackageName;
+use cargo_util_schemas::manifest::ProfileName;
 use itertools::Itertools;
 use semver::VersionReq;
 
@@ -224,8 +225,13 @@ pub fn exec(gctx: &mut GlobalContext, args: &ArgMatches) -> CliResult {
         ProfileChecking::Custom,
     )?;
 
+    let default_profile = gctx.get::<Option<ProfileName>>("install.profile")?;
+    let default_profile = default_profile
+        .as_ref()
+        .map(|p| p.as_ref())
+        .unwrap_or_else(|| "release");
     compile_opts.build_config.requested_profile =
-        args.get_profile_name("release", ProfileChecking::Custom)?;
+        args.get_profile_name(default_profile, ProfileChecking::Custom)?;
     if args.dry_run() {
         gctx.cli_unstable().fail_if_stable_opt("--dry-run", 11123)?;
     }

tests/testsuite/profile_config.rs

@@ -523,6 +523,7 @@ fn check_ignores_install_profile() {
         .file("src/main.rs", "fn main() {}")
         .build();
     p.cargo("check")
+        .env("CARGO_INSTALL_PROFILE", "release")
         .with_stderr_data(str![[r#"
 [CHECKING] foo v0.1.0 ([ROOT]/foo)
 [FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
@@ -571,6 +572,7 @@ fn test_ignores_install_profile() {
         .file("src/main.rs", "fn main() {}")
         .build();
     p.cargo("test --no-run")
+        .env("CARGO_INSTALL_PROFILE", "release")
         .with_stderr_data(str![[r#"
 [COMPILING] foo v0.1.0 ([ROOT]/foo)
 [FINISHED] `test` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
@@ -594,7 +596,8 @@ fn install_uses_install_profile() {
         )
         .file("src/main.rs", "fn main() {}")
         .build();
-    p.cargo("install --debug")
+    p.cargo("install")
+        .env("CARGO_INSTALL_PROFILE", "debug")
         .with_stderr_data(str![[r#"
 [WARNING] using `cargo install` to install the binaries from the package in current working directory is deprecated, use `cargo install --path .` instead. [NOTE] use `cargo build` if you want to simply build the package.
 [INSTALLING] foo v0.1.0 ([ROOT]/foo)