zellij/zellij-utils/src/envs.rs
2022-06-10 23:37:55 +09:00

53 lines
1.4 KiB
Rust

/// Uniformly operates ZELLIJ* environment variables
use anyhow::Result;
use serde::{Deserialize, Serialize};
use std::{
collections::HashMap,
env::{set_var, var},
};
pub const ZELLIJ_ENV_KEY: &str = "ZELLIJ";
pub fn get_zellij() -> Result<String> {
Ok(var(ZELLIJ_ENV_KEY)?)
}
pub fn set_zellij(v: String) {
set_var(ZELLIJ_ENV_KEY, v);
}
pub const SESSION_NAME_ENV_KEY: &str = "ZELLIJ_SESSION_NAME";
pub fn get_session_name() -> Result<String> {
Ok(var(SESSION_NAME_ENV_KEY)?)
}
pub fn set_session_name(v: String) {
set_var(SESSION_NAME_ENV_KEY, v);
}
pub const SOCKET_DIR_ENV_KEY: &str = "ZELLIJ_SOCKET_DIR";
pub fn get_socket_dir() -> Result<String> {
Ok(var(SOCKET_DIR_ENV_KEY)?)
}
/// Manage ENVIRONMENT VARIABLES from the configuration and the layout files
#[derive(Debug, Default, Clone, PartialEq, Serialize, Deserialize)]
pub struct EnvironmentVariablesFromYaml {
env: HashMap<String, String>,
}
impl EnvironmentVariablesFromYaml {
/// Merges two structs, keys from `other` supersede keys from `self`
pub fn merge(&self, other: Self) -> Self {
let mut env = self.clone();
env.env.extend(other.env);
env
}
/// Set all the ENVIRONMENT VARIABLES, that are configured
/// in the configuration and layout files
pub fn set_vars(&self) {
for (k, v) in &self.env {
set_var(k, v);
}
}
}