diff options
Diffstat (limited to 'src/modules/env_var.rs')
-rw-r--r-- | src/modules/env_var.rs | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/src/modules/env_var.rs b/src/modules/env_var.rs deleted file mode 100644 index bb46456a1..000000000 --- a/src/modules/env_var.rs +++ /dev/null @@ -1,43 +0,0 @@ -use ansi_term::Color; -use std::env; - -use super::{Context, Module}; - -/// Creates a module with the value of the chosen environment variable -/// -/// Will display the environment variable's value if all of the following criteria are met: -/// - env_var.disabled is absent or false -/// - env_var.variable is defined -/// - a variable named as the value of env_var.variable is defined -pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> { - let mut module = context.new_module("env_var"); - let module_style = module - .config_value_style("style") - .unwrap_or_else(|| Color::Black.bold().dimmed()); - - let env_name = module.config_value_str("variable")?; - - let default_value = module.config_value_str("default"); - - let env_value = get_env_value(env_name, default_value)?; - - let prefix = module.config_value_str("prefix").unwrap_or("").to_owned(); - let suffix = module.config_value_str("suffix").unwrap_or("").to_owned(); - - module.set_style(module_style); - module.get_prefix().set_value("with "); - module.new_segment_if_config_exists("symbol"); - module.new_segment("env_var", &format!("{}{}{}", prefix, env_value, suffix)); - - Some(module) -} - -fn get_env_value(name: &str, default: Option<&str>) -> Option<String> { - match env::var_os(name) { - Some(os_value) => match os_value.into_string() { - Ok(value) => Some(value), - Err(_error) => None, - }, - None => default.map(|value| value.to_owned()), - } -} |