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commit.rs

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use anyhow::{anyhow, Result};

use std::fs;

use std::io::Write;

use std::path::PathBuf;

use std::process::{exit, Command, Output};

pub fn git_exec(args: &[&str]) -> Result<Output> {

let output = Command::new("git").args(args).output();

match output {

Ok(output) => Ok(output),

Err(e) => Err(anyhow!(

"Failed to run git. Make sure git is installed\nAdditional info: {}",

e

)),

}

}

pub fn commit_as_hook(commit_message: &str) -> Result<()> {

let output = git_exec(&["rev-parse", "--absolute-git-dir"])?;

if !output.status.success() {

return Err(anyhow!("Could not get git directory"));

}

let git_dir = PathBuf::from(String::from_utf8_lossy(&output.stdout).trim());

let commit_file_path = git_dir.join("COMMIT_EDITMSG");

fs::write(commit_file_path, commit_message)?;

Ok(())

}

pub fn commit(commit_message: &str) -> Result<()> {

let output = git_exec(&["commit", "-m", commit_message])?;

if commit_message.chars().count() == 0 {

return Err(anyhow!("You must enter a commit message to commit changes."));

}

std::io::stdout().write_all(&output.stdout)?;

std::io::stderr().write_all(&output.stderr)?;

exit(

output

.status

.code()

.ok_or_else(|| anyhow!("Signal terminated"))?,

);

}

pub fn check_staged_files() -> Result<()> {

let output = git_exec(&["diff", "--cached", "--quiet"])?;

if output.status.code() == Some(0) {

return Err(anyhow!("You have not added anything please do `git add`"));

}

Ok(())

}