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//! Find out where the user's .minecraft directory is.
//!
//! Used for the auth cache.
use std::path::PathBuf;
/// Return the location of the user's .minecraft directory.
///
/// Windows: `%appdata%\.minecraft`\
/// Mac: `$HOME/Library/Application Support/minecraft`\
/// Linux: `$HOME/.minecraft`
///
/// If the environment variable is not set, this will return `None`.
pub fn minecraft_dir() -> Option<PathBuf> {
let env_var = home_env_var();
let home = std::env::var(env_var).ok()?;
let path = PathBuf::from(home).join(minecraft_dir_relative());
Some(path)
}
/// Return the name of the environment variable that's used for the home folder
/// on the user's operating system.
pub fn home_env_var() -> &'static str {
#[cfg(target_os = "windows")]
{
"APPDATA"
}
#[cfg(target_os = "macos")]
{
"HOME"
}
#[cfg(target_os = "linux")]
{
"HOME"
}
#[cfg(not(any(target_os = "windows", target_os = "macos", target_os = "linux")))]
{
"HOME"
}
}
/// Return the path relative to the home folder where we expect to find the
/// .minecraft directory.
pub fn minecraft_dir_relative() -> &'static str {
#[cfg(target_os = "windows")]
{
".minecraft"
}
#[cfg(target_os = "macos")]
{
"Library/Application Support/minecraft"
}
#[cfg(target_os = "linux")]
{
".minecraft"
}
#[cfg(not(any(target_os = "windows", target_os = "macos", target_os = "linux")))]
{
".minecraft"
}
}
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