gitcortex 0.2.0

Git-aware code knowledge graph — incremental AST indexing on every commit, MCP server for AI assistants
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use std::path::PathBuf;

use anyhow::{Context, Result};

pub fn repo_root() -> Result<PathBuf> {
    let output = std::process::Command::new("git")
        .args(["rev-parse", "--show-toplevel"])
        .output()
        .context("git rev-parse failed — are you inside a git repository?")?;
    if !output.status.success() {
        anyhow::bail!("not inside a git repository");
    }
    Ok(PathBuf::from(
        String::from_utf8(output.stdout)?.trim().to_owned(),
    ))
}

pub fn home_dir() -> PathBuf {
    std::env::var("HOME")
        .or_else(|_| std::env::var("USERPROFILE"))
        .map(PathBuf::from)
        .unwrap_or_else(|_| PathBuf::from("."))
}

pub fn current_branch(repo_root: &std::path::Path) -> Result<String> {
    let output = std::process::Command::new("git")
        .args(["symbolic-ref", "--short", "HEAD"])
        .current_dir(repo_root)
        .output()
        .context("git symbolic-ref failed")?;
    if output.status.success() {
        Ok(String::from_utf8(output.stdout)?.trim().to_owned())
    } else {
        let sha = std::process::Command::new("git")
            .args(["rev-parse", "--short", "HEAD"])
            .current_dir(repo_root)
            .output()
            .context("git rev-parse HEAD failed")?;
        Ok(String::from_utf8(sha.stdout)?.trim().to_owned())
    }
}