106 lines
3.8 KiB
Rust
106 lines
3.8 KiB
Rust
use std::path::PathBuf;
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use std::sync::OnceLock;
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/// The application name.
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///
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/// It derives the platform-specific data, config and cache directory paths.
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pub const APP_NAME: &str = "Signed";
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/// Lowercased form of [`APP_NAME`].
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///
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/// Used in XDG-style paths on Linux and FreeBSD, and the macOS `~/.config` fallback.
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pub const APP_NAME_LOWERCASE: &str = "signed";
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/// The resolved data directory.
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/// On macOS, this is `~/Library/Application Support/Signed`.
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/// On Linux/FreeBSD, this is `$XDG_DATA_HOME/signed`.
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/// On Windows, this is `%LOCALAPPDATA%\Signed`.
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static CURRENT_DATA_DIR: OnceLock<PathBuf> = OnceLock::new();
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/// The resolved config directory.
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/// On macOS, this is `~/.config/signed`.
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/// On Linux/FreeBSD, this is `$XDG_CONFIG_HOME/signed`.
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/// On Windows, this is `%APPDATA%\Signed`.
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static CONFIG_DIR: OnceLock<PathBuf> = OnceLock::new();
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/// Returns the current user's home directory.
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pub fn home_dir() -> PathBuf {
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dirs::home_dir().expect("failed to determine home directory")
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}
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/// Returns the current user's Desktop folder.
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///
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/// Falls back to the home directory or an empty path when it cannot be determined.
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pub fn desktop_dir() -> PathBuf {
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dirs::desktop_dir().unwrap_or_else(|| dirs::home_dir().unwrap_or_default())
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}
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/// Returns the current user's Documents folder.
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///
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/// Falls back to the home directory or an empty path when it cannot be determined.
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pub fn documents_dir() -> PathBuf {
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dirs::document_dir().unwrap_or_else(|| dirs::home_dir().unwrap_or_default())
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}
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/// Returns the path to the configuration directory.
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pub fn config_dir() -> &'static PathBuf {
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CONFIG_DIR.get_or_init(|| {
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if cfg!(target_os = "windows") {
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dirs::config_dir()
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.expect("failed to determine RoamingAppData directory")
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.join(APP_NAME)
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} else if cfg!(any(target_os = "linux", target_os = "freebsd")) {
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if let Ok(flatpak_xdg_config) = std::env::var("FLATPAK_XDG_CONFIG_HOME") {
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flatpak_xdg_config.into()
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} else {
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dirs::config_dir().expect("failed to determine XDG_CONFIG_HOME directory")
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}
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.join(APP_NAME_LOWERCASE)
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} else {
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home_dir().join(".config").join(APP_NAME_LOWERCASE)
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}
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})
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}
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/// Returns the path to the data directory.
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pub fn data_dir() -> &'static PathBuf {
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CURRENT_DATA_DIR.get_or_init(|| {
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if cfg!(target_os = "macos") {
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home_dir()
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.join("Library/Application Support")
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.join(APP_NAME)
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} else if cfg!(any(target_os = "linux", target_os = "freebsd")) {
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if let Ok(flatpak_xdg_data) = std::env::var("FLATPAK_XDG_DATA_HOME") {
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flatpak_xdg_data.into()
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} else {
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dirs::data_local_dir().expect("failed to determine XDG_DATA_HOME directory")
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}
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.join(APP_NAME_LOWERCASE)
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} else if cfg!(target_os = "windows") {
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dirs::data_local_dir()
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.expect("failed to determine LocalAppData directory")
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.join(APP_NAME)
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} else {
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config_dir().clone()
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}
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})
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}
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/// Returns the path to the nostr database directory, LMDB.
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pub fn nostr_dir() -> &'static PathBuf {
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static NOSTR_DIR: OnceLock<PathBuf> = OnceLock::new();
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NOSTR_DIR.get_or_init(|| data_dir().join("nostr"))
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}
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/// Returns the path to the local git clone cache, the grasp mirrors.
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pub fn repos_dir() -> &'static PathBuf {
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static REPOS_DIR: OnceLock<PathBuf> = OnceLock::new();
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REPOS_DIR.get_or_init(|| data_dir().join("repos"))
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}
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/// Returns the path to the `settings.json` file.
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pub fn settings_file() -> &'static PathBuf {
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static SETTINGS_FILE: OnceLock<PathBuf> = OnceLock::new();
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SETTINGS_FILE.get_or_init(|| config_dir().join("settings.json"))
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}
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