use std::env; use std::path::PathBuf; use chrono::{Months, NaiveDate}; use uuid::Uuid; pub fn uuid_v4() -> String { Uuid::new_v4().as_simple().to_string() } // TODO: more reliable, more tested // I don't want to use ProjectDirs, it puts config in awkward places on // mac. Data too. Seems to be more intended for GUI apps. #[cfg(not(target_os = "windows"))] pub fn home_dir() -> PathBuf { let home = std::env::var("HOME").expect("$HOME not found"); PathBuf::from(home) } #[cfg(target_os = "windows")] pub fn home_dir() -> PathBuf { let home = std::env::var("USERPROFILE").expect("%userprofile% not found"); PathBuf::from(home) } pub fn config_dir() -> PathBuf { let config_dir = std::env::var("XDG_CONFIG_HOME").map_or_else(|_| home_dir().join(".config"), PathBuf::from); config_dir.join("atuin") } pub fn data_dir() -> PathBuf { let data_dir = std::env::var("XDG_DATA_HOME") .map_or_else(|_| home_dir().join(".local").join("share"), PathBuf::from); data_dir.join("atuin") } pub fn get_current_dir() -> String { // Prefer PWD environment variable over cwd if available to better support symbolic links match env::var("PWD") { Ok(v) => v, Err(_) => match env::current_dir() { Ok(dir) => dir.display().to_string(), Err(_) => String::from(""), }, } } pub fn get_days_from_month(year: i32, month: u32) -> i64 { let Some(start) = NaiveDate::from_ymd_opt(year, month, 1) else { return 30 }; let Some(end) = start.checked_add_months(Months::new(1)) else { return 30 }; end.signed_duration_since(start).num_days() } #[cfg(test)] mod tests { use super::*; use std::env; #[test] fn test_dirs() { // these tests need to be run sequentially to prevent race condition test_config_dir_xdg(); test_config_dir(); test_data_dir_xdg(); test_data_dir(); } fn test_config_dir_xdg() { env::remove_var("HOME"); env::set_var("XDG_CONFIG_HOME", "/home/user/custom_config"); assert_eq!( config_dir(), PathBuf::from("/home/user/custom_config/atuin") ); env::remove_var("XDG_CONFIG_HOME"); } fn test_config_dir() { env::set_var("HOME", "/home/user"); env::remove_var("XDG_CONFIG_HOME"); assert_eq!(config_dir(), PathBuf::from("/home/user/.config/atuin")); env::remove_var("HOME"); } fn test_data_dir_xdg() { env::remove_var("HOME"); env::set_var("XDG_DATA_HOME", "/home/user/custom_data"); assert_eq!(data_dir(), PathBuf::from("/home/user/custom_data/atuin")); env::remove_var("XDG_DATA_HOME"); } fn test_data_dir() { env::set_var("HOME", "/home/user"); env::remove_var("XDG_DATA_HOME"); assert_eq!(data_dir(), PathBuf::from("/home/user/.local/share/atuin")); env::remove_var("HOME"); } #[test] fn days_from_month() { assert_eq!(get_days_from_month(2023, 1), 31); assert_eq!(get_days_from_month(2023, 2), 28); assert_eq!(get_days_from_month(2023, 3), 31); assert_eq!(get_days_from_month(2023, 4), 30); assert_eq!(get_days_from_month(2023, 5), 31); assert_eq!(get_days_from_month(2023, 6), 30); assert_eq!(get_days_from_month(2023, 7), 31); assert_eq!(get_days_from_month(2023, 8), 31); assert_eq!(get_days_from_month(2023, 9), 30); assert_eq!(get_days_from_month(2023, 10), 31); assert_eq!(get_days_from_month(2023, 11), 30); assert_eq!(get_days_from_month(2023, 12), 31); // leap years assert_eq!(get_days_from_month(2024, 2), 29); } }