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Fetch origin HEAD on checkout #1684

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merged 3 commits into from
Aug 31, 2023
Merged

Fetch origin HEAD on checkout #1684

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c4cccba
Fetch origin HEAD on checkout
Mark-Simulacrum Aug 2, 2023
f7bb6cd
Fetch master branch directly
Mark-Simulacrum Aug 31, 2023
462582a
Fix error message
Mark-Simulacrum Aug 31, 2023
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22 changes: 13 additions & 9 deletions collector/src/compile/execute/rustc.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -165,19 +165,23 @@ fn checkout(artifact: &ArtifactId) -> anyhow::Result<()> {
.status()
.context("git fetch origin")?;

if !status.success() && matches!(artifact, ArtifactId::Tag(_)) {
if !status.success() {
log::warn!(
"git fetch origin {} failed - trying default branch",
"git fetch origin {} failed, this will likely break the build",
artifact
);
status = Command::new("git")
.current_dir("rust")
.arg("fetch")
.arg("origin")
.arg("HEAD")
.status()
.context("git fetch origin HEAD")?;
}

// Regardless, we fetch the default branch. Upstream Rust started using `git merge-base`
// recently, which (reasonably) finds the wrong base if we think e.g. origin/master
// diverged thousands of commits ago.
status = Command::new("git")
.current_dir("rust")
.arg("fetch")
.arg("origin")
.arg("master")
.status()
.context("git fetch origin HEAD")?;
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assert!(status.success(), "git fetch successful");
} else {
let status = Command::new("git")
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