use anyhow::{Context, Result};
use colored::Colorize;
use std::fs;
use std::path::PathBuf;
use super::SKILL_MD;
const COLGREP_MARKER_START: &str = "<!-- COLGREP_START -->";
const COLGREP_MARKER_END: &str = "<!-- COLGREP_END -->";
fn get_hermes_dir() -> Result<PathBuf> {
let home = dirs::home_dir().context("Could not determine home directory")?;
Ok(home.join(".hermes"))
}
fn get_agents_md_path() -> Result<PathBuf> {
Ok(get_hermes_dir()?.join("AGENTS.md"))
}
fn add_to_agents_md() -> Result<()> {
let hermes_dir = get_hermes_dir()?;
fs::create_dir_all(&hermes_dir)?;
let agents_path = get_agents_md_path()?;
let mut content = if agents_path.exists() {
fs::read_to_string(&agents_path)?
} else {
String::from("# Hermes Agent Tools\n\n")
};
if let (Some(start), Some(end)) = (
content.find(COLGREP_MARKER_START),
content.find(COLGREP_MARKER_END),
) {
let end_pos = end + COLGREP_MARKER_END.len();
content = format!("{}{}", &content[..start], &content[end_pos..]);
}
let colgrep_section = format!(
"{}\n{}\n{}\n",
COLGREP_MARKER_START, SKILL_MD, COLGREP_MARKER_END
);
content.push_str(&colgrep_section);
fs::write(&agents_path, content)?;
Ok(())
}
fn remove_from_agents_md() -> Result<()> {
let agents_path = get_agents_md_path()?;
if !agents_path.exists() {
return Ok(());
}
let content = fs::read_to_string(&agents_path)?;
if let (Some(start), Some(end)) = (
content.find(COLGREP_MARKER_START),
content.find(COLGREP_MARKER_END),
) {
let end_pos = end + COLGREP_MARKER_END.len();
let new_content = format!("{}{}", &content[..start], &content[end_pos..]);
let cleaned = new_content.trim().to_string();
if cleaned.is_empty() || cleaned == "# Hermes Agent Tools" {
fs::remove_file(&agents_path)?;
} else {
fs::write(&agents_path, format!("{}\n", cleaned))?;
}
}
Ok(())
}
pub fn install_hermes() -> Result<()> {
println!("Installing colgrep for Hermes...");
add_to_agents_md()?;
let agents_path = get_agents_md_path()?;
println!(
"{} Added colgrep instructions to {}",
"✓".green(),
agents_path.display()
);
println!();
println!("{}", "═".repeat(70).cyan());
println!(
" {} {}",
"✓".green().bold(),
"COLGREP INSTALLED FOR HERMES".green().bold()
);
println!(" Restart Hermes sessions to pick up the AGENTS.md update.");
println!(" To uninstall: {}", "colgrep --uninstall-hermes".green());
println!("{}", "═".repeat(70).cyan());
Ok(())
}
pub fn uninstall_hermes() -> Result<()> {
println!("Uninstalling colgrep from Hermes...");
remove_from_agents_md()?;
println!("{} Removed colgrep from ~/.hermes/AGENTS.md", "✓".green());
Ok(())
}