Files
rust/crates/ra_tools/src/bin/pre-commit.rs
2019-09-30 11:58:53 +03:00

32 lines
818 B
Rust

//! FIXME: write short doc here
use std::process::Command;
use ra_tools::{project_root, run, run_rustfmt, Overwrite, Result};
fn main() -> Result<()> {
run_rustfmt(Overwrite)?;
update_staged()
}
fn update_staged() -> Result<()> {
let root = project_root();
let output = Command::new("git")
.arg("diff")
.arg("--diff-filter=MAR")
.arg("--name-only")
.arg("--cached")
.current_dir(&root)
.output()?;
if !output.status.success() {
Err(format!(
"`git diff --diff-filter=MAR --name-only --cached` exited with {}",
output.status
))?;
}
for line in String::from_utf8(output.stdout)?.lines() {
run(&format!("git update-index --add {}", root.join(line).to_string_lossy()), ".")?;
}
Ok(())
}