Pinning nightly version for code coverage

Reported rust-lang/rust#93054 Technically this isn't affecting all of our projects, but it seemed easier to just pin it here and unpin once fixed. Having it in this one location will make it easier if nightly ever breaks again for any raeason.
khonsulabs · Jan 19, 2022 · 3c2fff7 · 3c2fff7
1 parent 37600ef
commit 3c2fff7
Showing 1 changed file with 8 additions and 8 deletions.
diff --git a/khonsu-universal-tools/src/code_coverage.rs b/khonsu-universal-tools/src/code_coverage.rs
@@ -9,11 +9,13 @@ pub struct CodeCoverage<C: Config = DefaultConfig> {
     _config: PhantomData<C>,
 }
 
+pub const NIGHTLY_TOOLCHAIN: &str = "nightly-2022-01-14";
+
 pub trait Config {
     /// The cargo command after `cargo`.
     fn cargo_args() -> Vec<String> {
         vec![
-            String::from("+nightly"),
+            format!("+{}", NIGHTLY_TOOLCHAIN),
             String::from("test"),
             String::from("--workspace"),
             String::from("--all-features"),
@@ -41,14 +43,12 @@ impl<C: Config> CodeCoverage<C> {
     pub fn execute(install_dependencies: bool) -> anyhow::Result<()> {
         if install_dependencies {
             println!("Installing rustup component `llvm-tools-preview` and nightly rust version");
-            run!("rustup", "install", "nightly")?;
             run!(
                 "rustup",
-                "component",
-                "add",
-                "llvm-tools-preview",
-                "--toolchain",
-                "nightly"
+                "install",
+                NIGHTLY_TOOLCHAIN,
+                "--component",
+                "llvm-tools-preview"
             )?;
             println!("Downloading pre-built grcov");
             run!("curl", "-L", "https://github.com/mozilla/grcov/releases/latest/download/grcov-linux-x86_64.tar.bz2", "-o", "grcov.tar.bz2")?;
@@ -81,7 +81,7 @@ impl<C: Config> CodeCoverage<C> {
         } else {
             "grcov"
         });
-        cmd.env("RUSTUP_TOOLCHAIN", "nightly");
+        cmd.env("RUSTUP_TOOLCHAIN", NIGHTLY_TOOLCHAIN);
         cmd.args(&[
             ".",
             "--binary-path",