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Count the beta prerelease number just from master #72993

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Merged
merged 1 commit into from
Jun 7, 2020
Merged

Count the beta prerelease number just from master #72993

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22 changes: 4 additions & 18 deletions src/bootstrap/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -963,29 +963,15 @@ impl Build {
return s;
}

let beta = output(
Command::new("git").arg("ls-remote").arg("origin").arg("beta").current_dir(&self.src),
);
let beta = beta.trim().split_whitespace().next().unwrap();
let master = output(
Command::new("git").arg("ls-remote").arg("origin").arg("master").current_dir(&self.src),
);
let master = master.trim().split_whitespace().next().unwrap();

// Figure out where the current beta branch started.
let base = output(
Command::new("git").arg("merge-base").arg(beta).arg(master).current_dir(&self.src),
);
let base = base.trim();

// Next figure out how many merge commits happened since we branched off
// beta. That's our beta number!
// Figure out how many merge commits happened since we branched off master.
// That's our beta number!
// (Note that we use a `..` range, not the `...` symmetric difference.)
let count = output(
Command::new("git")
.arg("rev-list")
.arg("--count")
.arg("--merges")
.arg(format!("{}...HEAD", base))
.arg("refs/remotes/origin/master..HEAD")
.current_dir(&self.src),
);
let n = count.trim().parse().unwrap();
Expand Down