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use std::path::PathBuf;
/// Returns the current locale string based on environment variables.
///
/// The function checks for locale settings in the following order:
/// 1. JV_LANG environment variable
/// 2. APP_LANG environment variable
/// 3. LANG environment variable (extracts base language before dot and replaces underscores with hyphens)
/// 4. Defaults to "en" if no locale environment variables are found
///
/// # Returns
/// A String containing the detected locale code
pub fn current_locales() -> String {
if let Ok(lang) = std::env::var("JV_LANG") {
return lang;
}
if let Ok(lang) = std::env::var("APP_LANG") {
return lang;
}
if let Ok(lang) = std::env::var("LANG") {
if let Some(base_lang) = lang.split('.').next() {
return base_lang.replace('_', "-");
}
return lang;
}
"en".to_string()
}
/// Checks if auto update is enabled based on environment variables.
///
/// The function checks the JV_AUTO_UPDATE environment variable and compares
/// its value (after trimming and converting to lowercase) against known
/// positive and negative values.
///
/// # Returns
/// `true` if the value matches "yes", "y", or "true"
/// `false` if the value matches "no", "n", or "false", or if the variable is not set
pub fn enable_auto_update() -> bool {
if let Ok(auto_update) = std::env::var("JV_AUTO_UPDATE") {
let normalized = auto_update.trim().to_lowercase();
match normalized.as_str() {
"yes" | "y" | "true" => return true,
"no" | "n" | "false" => return false,
_ => {}
}
}
false
}
/// Gets the auto update expiration time based on environment variables.
///
/// The function checks the JV_OUTDATED_MINUTES environment variable.
/// Requires JV_AUTO_UPDATE to be enabled.
/// Next time the `jv` command is used, if the content is outdated, `jv update` will be automatically executed.
///
/// # Returns
/// - When the set number is < 0, timeout-based update is disabled
/// - When the set number = 0, update runs every time (not recommended)
/// - When the set number > 0, update according to the specified time
/// - If not set or conversion error occurs, the default is -1
pub fn auto_update_outdate() -> i64 {
if !enable_auto_update() {
return -1;
}
match std::env::var("JV_OUTDATED_MINUTES") {
Ok(value) => match value.trim().parse::<i64>() {
Ok(num) => num,
Err(_) => -1,
},
Err(_) => -1,
}
}
/// Gets the default text editor based on environment variables.
///
/// The function checks the JV_TEXT_EDITOR and EDITOR environment variables
/// and returns their values if they are set. If neither variable is set,
/// it returns "jvii" as the default editor.
///
/// # Returns
/// A String containing the default text editor
pub async fn get_default_editor() -> String {
if let Ok(editor) = std::env::var("JV_TEXT_EDITOR") {
return editor;
}
if let Ok(editor) = std::env::var("EDITOR") {
return editor;
}
"jvii".to_string()
}
/// Get temporary file path
pub fn current_tempfile_path(name: &str) -> Option<PathBuf> {
dirs::config_local_dir().map(|path| {
if cfg!(target_os = "linux") {
path.join("jvcs").join(".temp").join(name)
} else {
path.join("JustEnoughVCS").join(".temp").join(name)
}
})
}
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