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Adding --verbose flag to check commit hash #4568

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Adding --verbose flag to check commit hash #4568

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07a2acc
adding commit hash flag
May 7, 2025
f5611f7
style: fix formatting to pass cargo fmt
May 7, 2025
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15 changes: 15 additions & 0 deletions compiler-cli/build.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
use std::process::Command;

fn main() {
// Try to get the current Git commit hash (short format) for use in --version --verbose
let commit_hash = Command::new("git")
.args(["rev-parse", "--short", "HEAD"])
.output()
.ok() // if the command fails to launch
.filter(|output| output.status.success()) // if the command fails (e.g. not a git repo)
.map(|output| String::from_utf8_lossy(&output.stdout).trim().to_string())
.filter(|s| !s.is_empty())
.unwrap_or_else(|| "unknown".to_string());

println!("cargo:rustc-env=GIT_COMMIT_HASH={}", commit_hash);
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I'm not a huge fan of shelling out to run a program each time. We could do something like this perhaps

const GIT_SHA: &str = if include_str!("../../.git/HEAD") == "ref: refs/heads/main" {
  include_str!("../../.git/refs/heads/main")
} else {
  include_str!("../../.git/HEAD")
}

}
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