beachcomber 0.3.1

A centralized daemon that caches shell state (git, battery, hostname, etc.) so every consumer reads from one fast cache instead of independently forking shells
Documentation 
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use crate::provider::{
    FieldSchema, FieldType, InvalidationStrategy, Provider, ProviderMetadata, ProviderResult, Value,
};
use std::path::Path;

pub struct TerraformProvider;

impl Provider for TerraformProvider {
    fn metadata(&self) -> ProviderMetadata {
        ProviderMetadata {
            name: "terraform".to_string(),
            fields: vec![FieldSchema {
                name: "workspace".to_string(),
                field_type: FieldType::String,
            }],
            invalidation: InvalidationStrategy::Watch {
                patterns: vec![".terraform".to_string()],
                fallback_poll_secs: Some(30),
            },
            global: false,
        }
    }

    fn execute(&self, path: Option<&str>) -> Option<ProviderResult> {
        let path = path?;
        let dir = Path::new(path);
        let tf_dir = dir.join(".terraform");
        if !tf_dir.exists() {
            return None;
        }

        // Read workspace from .terraform/environment
        let workspace = std::fs::read_to_string(tf_dir.join("environment"))
            .unwrap_or_else(|_| "default".to_string())
            .trim()
            .to_string();

        let mut result = ProviderResult::new();
        result.insert("workspace", Value::String(workspace));
        Some(result)
    }
}