vfox 2025.9.21

Interface to vfox plugins
Documentation 
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use crate::error::Result;
use mlua::Lua;
use std::collections::BTreeSet;
use std::path::Path;

pub struct HookFunc {
    _name: &'static str,
    filename: &'static str,
}

#[rustfmt::skip]
const HOOK_FUNCS: [HookFunc; 12] = [
    HookFunc { _name: "Available", filename: "available" },
    HookFunc { _name: "PreInstall", filename: "pre_install" },
    HookFunc { _name: "EnvKeys", filename: "env_keys" },
    HookFunc { _name: "PostInstall", filename: "post_install" },
    HookFunc { _name: "PreUse", filename: "pre_use" },
    HookFunc { _name: "ParseLegacyFile", filename: "parse_legacy_file" },
    HookFunc { _name: "PreUninstall", filename: "pre_uninstall" },

    // backend
    HookFunc { _name: "BackendListVersions", filename: "backend_list_versions" },
    HookFunc { _name: "BackendInstall", filename: "backend_install" },
    HookFunc { _name: "BackendExecEnv", filename: "backend_exec_env" },
    
    // mise
    HookFunc { _name: "MiseEnv", filename: "mise_env" },
    HookFunc { _name: "MisePath", filename: "mise_path" },
];

pub fn mod_hooks(lua: &Lua, root: &Path) -> Result<BTreeSet<&'static str>> {
    let mut hooks = BTreeSet::new();
    for hook in &HOOK_FUNCS {
        let hook_path = root.join("hooks").join(format!("{}.lua", hook.filename));
        if hook_path.exists() {
            lua.load(hook_path).exec()?;
            hooks.insert(hook.filename);
        }
    }
    Ok(hooks)
}