fix(github): add current branch info to github status command

Fixes bounty issue #1232

The 'cortex github status' command now displays the current git branch
in both text and JSON output.

Author: factorydroid

cortex-cli/src/github_cmd.rs

@@ -570,6 +570,11 @@ async fn run_status(args: StatusArgs) -> Result<()> {
     // Check if we're in a git repo
     status.is_git_repo = repo_path.join(".git").exists();
 
+    // Get current branch if in a git repo
+    if status.is_git_repo {
+        status.current_branch = get_current_branch(&repo_path);
+    }
+
     if args.json {
         let json = serde_json::to_string_pretty(&status)?;
         println!("{}", json);
@@ -586,6 +591,12 @@ async fn run_status(args: StatusArgs) -> Result<()> {
         return Ok(());
     }
 
+    // Display current branch
+    if let Some(ref branch) = status.current_branch {
+        println!("Branch: {}", branch);
+        println!();
+    }
+
     if !status.github_dir_exists {
         println!("❌ .github directory not found");
         println!("   Run `Cortex github install` to set up GitHub Actions.");
@@ -614,12 +625,30 @@ async fn run_status(args: StatusArgs) -> Result<()> {
 #[derive(Debug, Default, serde::Serialize)]
 struct InstallationStatus {
     is_git_repo: bool,
+    current_branch: Option<String>,
     github_dir_exists: bool,
     workflow_installed: bool,
     workflow_path: Option<PathBuf>,
     features: Vec<String>,
 }
 
+/// Get the current git branch name from the repository.
+fn get_current_branch(repo_path: &std::path::Path) -> Option<String> {
+    let head_path = repo_path.join(".git").join("HEAD");
+    if let Ok(content) = std::fs::read_to_string(&head_path) {
+        let content = content.trim();
+        // HEAD file contains "ref: refs/heads/<branch>" for normal branches
+        if let Some(branch) = content.strip_prefix("ref: refs/heads/") {
+            return Some(branch.to_string());
+        }
+        // If HEAD is detached, it contains a commit hash
+        if content.len() == 40 && content.chars().all(|c| c.is_ascii_hexdigit()) {
+            return Some(format!("(detached at {})", &content[..7]));
+        }
+    }
+    None
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -639,4 +668,19 @@ mod tests {
         assert!(help.contains("/Cortex help"));
         assert!(help.contains("/Cortex review"));
     }
+
+    #[test]
+    fn test_get_current_branch() {
+        // Test with current repo - should return Some branch name
+        let current_dir = std::path::PathBuf::from(".");
+        if current_dir.join(".git").exists() {
+            let branch = get_current_branch(&current_dir);
+            assert!(branch.is_some(), "Should detect branch in git repo");
+        }
+
+        // Test with non-existent path - should return None
+        let non_existent = std::path::PathBuf::from("/non/existent/path");
+        let branch = get_current_branch(&non_existent);
+        assert!(branch.is_none(), "Should return None for non-existent path");
+    }
 }