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settings.rs
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settings.rs
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use crate::cli::{Cli, DumpFormat, SortOrder, SubCommand};
use crate::shell_history;
use crate::time::parse_timestamp;
use clap::Parser;
use config::Source;
use config::Value;
use crossterm::style::Color;
use directories_next::{ProjectDirs, UserDirs};
use regex::Regex;
use std::collections::HashMap;
use std::env;
use std::path::PathBuf;
use std::str::FromStr;
use std::time::SystemTime;
use std::time::UNIX_EPOCH;
#[derive(Debug)]
pub enum Mode {
Add,
Search,
Train,
Move,
Init,
Dump,
}
#[derive(Debug)]
pub enum KeyScheme {
Emacs,
Vim,
}
#[derive(Debug)]
pub enum InitMode {
Bash,
Zsh,
Fish,
Powershell,
}
#[derive(Debug, PartialEq, Eq)]
pub enum InterfaceView {
Top,
Bottom,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ResultSort {
Rank,
LastRun,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ResultFilter {
Global,
CurrentDirectory,
}
#[derive(Debug, Clone, Copy)]
pub enum HistoryFormat {
/// bash format - commands in plain text, one per line, with multi-line commands joined.
/// HISTTIMEFORMAT is assumed to be empty.
Bash,
/// zsh format - commands in plain text, with multiline commands on multiple lines.
/// McFly does not currently handle joining these lines; they're treated as separate commands.
/// If --zsh-extended-history was given, `extended_history` will be true, and we'll strip the
/// timestamp from the beginning of each command.
Zsh { extended_history: bool },
/// fish's pseudo-yaml, with commands stored as 'cmd' with multiple lines joined into one with
/// '\n', and with timestamps stored as 'when'. ('paths' is ignored.)
/// (Some discussion of changing format: https://github.com/fish-shell/fish-shell/pull/6493)
Fish,
}
/// Time range, it can be:
/// - `..`
/// - `since..before`
/// - `since..`
/// - `..before`
#[derive(Debug, Clone, Default)]
pub struct TimeRange {
pub since: Option<i64>,
pub before: Option<i64>,
}
#[derive(Debug)]
pub struct Colors {
pub menubar_bg: Color,
pub menubar_fg: Color,
pub darkmode_colors: DarkModeColors,
pub lightmode_colors: LightModeColors,
}
#[derive(Debug)]
pub struct DarkModeColors {
pub prompt: Color,
pub timing: Color,
pub results_fg: Color,
pub results_bg: Color,
pub results_hl: Color,
pub results_selection_fg: Color,
pub results_selection_bg: Color,
pub results_selection_hl: Color,
}
#[derive(Debug)]
pub struct LightModeColors {
pub prompt: Color,
pub timing: Color,
pub results_fg: Color,
pub results_bg: Color,
pub results_hl: Color,
pub results_selection_fg: Color,
pub results_selection_bg: Color,
pub results_selection_hl: Color,
}
#[derive(Debug)]
pub struct Settings {
pub mode: Mode,
pub debug: bool,
pub fuzzy: i16,
pub session_id: String,
pub mcfly_history: PathBuf,
pub output_selection: Option<String>,
pub command: String,
pub dir: String,
pub results: u16,
pub when_run: Option<i64>,
pub exit_code: Option<i32>,
pub old_dir: Option<String>,
pub append_to_histfile: Option<String>,
pub refresh_training_cache: bool,
pub lightmode: bool,
pub key_scheme: KeyScheme,
pub history_format: HistoryFormat,
pub limit: Option<i64>,
pub skip_environment_check: bool,
pub init_mode: InitMode,
pub delete_without_confirm: bool,
pub interface_view: InterfaceView,
pub result_sort: ResultSort,
pub result_filter: ResultFilter,
pub disable_menu: bool,
pub prompt: String,
pub disable_run_command: bool,
pub time_range: TimeRange,
pub sort_order: SortOrder,
pub pattern: Option<Regex>,
pub dump_format: DumpFormat,
pub colors: Colors,
}
impl Default for Settings {
fn default() -> Settings {
Settings {
mode: Mode::Add,
output_selection: None,
command: String::new(),
session_id: String::new(),
mcfly_history: PathBuf::new(),
dir: String::new(),
results: 10,
when_run: None,
exit_code: None,
old_dir: None,
refresh_training_cache: false,
append_to_histfile: None,
debug: false,
fuzzy: 0,
lightmode: false,
key_scheme: KeyScheme::Emacs,
history_format: HistoryFormat::Bash,
limit: None,
skip_environment_check: false,
init_mode: InitMode::Bash,
delete_without_confirm: false,
interface_view: InterfaceView::Top,
result_sort: ResultSort::Rank,
result_filter: ResultFilter::Global,
disable_menu: false,
prompt: String::from("$"),
disable_run_command: false,
time_range: TimeRange::default(),
sort_order: SortOrder::default(),
pattern: None,
dump_format: DumpFormat::default(),
colors: Colors {
menubar_bg: Color::Blue,
menubar_fg: Color::White,
darkmode_colors: DarkModeColors {
prompt: Color::White,
timing: Color::Blue,
results_fg: Color::White,
results_bg: Color::Black,
results_hl: Color::Blue,
results_selection_fg: Color::Black,
results_selection_bg: Color::White,
results_selection_hl: Color::DarkGreen,
},
lightmode_colors: LightModeColors {
prompt: Color::Black,
timing: Color::DarkBlue,
results_fg: Color::Black,
results_bg: Color::White,
results_hl: Color::Blue,
results_selection_fg: Color::White,
results_selection_bg: Color::DarkGrey,
results_selection_hl: Color::Grey,
},
},
}
}
}
impl Settings {
pub fn parse_args() -> Settings {
let cli = Cli::parse();
let mut settings = Settings {
skip_environment_check: cli.is_init(),
..Default::default()
};
settings.debug = cli.debug || is_env_var_truthy("MCFLY_DEBUG");
settings.limit = env::var("MCFLY_HISTORY_LIMIT")
.ok()
.and_then(|o| o.parse::<i64>().ok());
settings.interface_view = match env::var("MCFLY_INTERFACE_VIEW") {
Ok(val) => match val.to_uppercase().as_str() {
"TOP" => InterfaceView::Top,
"BOTTOM" => InterfaceView::Bottom,
_ => InterfaceView::Top,
},
_ => InterfaceView::Top,
};
settings.result_sort = match env::var("MCFLY_RESULTS_SORT") {
Ok(val) => match val.to_uppercase().as_str() {
"RANK" => ResultSort::Rank,
"LAST_RUN" => ResultSort::LastRun,
_ => ResultSort::Rank,
},
_ => ResultSort::Rank,
};
settings.result_filter = match env::var("MCFLY_RESULTS_FILTER") {
Ok(val) => match val.to_uppercase().as_str() {
"GLOBAL" => ResultFilter::Global,
"CURRENT_DIRECTORY" => ResultFilter::CurrentDirectory,
_ => ResultFilter::Global,
},
_ => ResultFilter::Global,
};
settings.session_id = cli.session_id.unwrap_or_else(||
env::var("MCFLY_SESSION_ID")
.unwrap_or_else(|err| {
if !settings.skip_environment_check {
panic!(
"McFly error: Please ensure that MCFLY_SESSION_ID contains a random session ID ({})",
err
)
} else {
String::new()
}
}
)
);
settings.mcfly_history = cli.mcfly_history.unwrap_or_else(|| {
{
env::var("MCFLY_HISTORY").unwrap_or_else(|err| {
if !settings.skip_environment_check {
panic!(
"McFly error: Please ensure that MCFLY_HISTORY is set ({})",
err
)
} else {
String::new()
}
})
}
.into()
});
{
use crate::cli::HistoryFormat::*;
settings.history_format = match cli.history_format {
Bash => HistoryFormat::Bash,
Zsh => HistoryFormat::Zsh {
extended_history: false,
},
ZshExtended => HistoryFormat::Zsh {
extended_history: true,
},
Fish => HistoryFormat::Fish,
};
}
match cli.command {
SubCommand::Add {
command,
exit,
append_to_histfile,
when,
directory,
old_directory,
} => {
settings.mode = Mode::Add;
settings.when_run = when.or_else(|| {
Some(
SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap_or_else(|err| {
panic!("McFly error: Time went backwards ({})", err)
})
.as_secs() as i64,
)
});
settings.append_to_histfile = append_to_histfile;
settings.exit_code = exit;
settings.dir = directory.unwrap_or_else(pwd);
settings.old_dir = old_directory.or_else(|| env::var("OLDPWD").ok());
if !command.is_empty() {
settings.command = command.join(" ");
} else {
settings.command = shell_history::last_history_line(
&settings.mcfly_history,
settings.history_format,
)
.unwrap_or_default();
}
// CD shows PWD as the resulting directory, but we want it from the source directory.
if settings.command.starts_with("cd ")
|| settings.command.starts_with("pushd ")
|| settings.command.starts_with("j ")
{
settings.dir = settings.old_dir.clone().unwrap_or(settings.dir);
}
}
SubCommand::Search {
command,
directory,
results,
fuzzy,
delete_without_confirm,
output_selection,
} => {
settings.mode = Mode::Search;
settings.dir = directory.unwrap_or_else(pwd);
if let Ok(results) = env::var("MCFLY_RESULTS") {
if let Ok(results) = u16::from_str(&results) {
settings.results = results;
}
}
if let Some(results) = results {
settings.results = results;
}
if let Ok(fuzzy) = env::var("MCFLY_FUZZY") {
if let Ok(fuzzy) = i16::from_str(&fuzzy) {
settings.fuzzy = fuzzy;
} else if fuzzy.to_lowercase() != "false" {
settings.fuzzy = 2;
}
}
if let Some(fuzzy) = fuzzy {
settings.fuzzy = fuzzy;
}
settings.delete_without_confirm =
delete_without_confirm || is_env_var_truthy("MCFLY_DELETE_WITHOUT_CONFIRM");
settings.output_selection = output_selection;
if !command.is_empty() {
settings.command = command.join(" ");
} else {
settings.command = shell_history::last_history_line(
&settings.mcfly_history,
settings.history_format,
)
.unwrap_or_default()
.trim_start_matches("#mcfly: ")
.trim_start_matches("#mcfly:")
.to_string();
shell_history::delete_last_history_entry_if_search(
&settings.mcfly_history,
settings.history_format,
settings.debug,
);
}
}
SubCommand::Train { refresh_cache } => {
settings.mode = Mode::Train;
settings.refresh_training_cache = refresh_cache;
}
SubCommand::Move {
old_dir_path,
new_dir_path,
} => {
settings.mode = Mode::Move;
settings.old_dir = Some(old_dir_path);
settings.dir = new_dir_path;
}
SubCommand::Init { shell } => {
settings.mode = Mode::Init;
use crate::cli::InitMode::*;
settings.init_mode = match shell {
Bash => InitMode::Bash,
Zsh => InitMode::Zsh,
Fish => InitMode::Fish,
Powershell => InitMode::Powershell,
};
}
SubCommand::Dump {
since,
before,
sort,
regex,
format,
} => {
settings.mode = Mode::Dump;
settings.time_range.since = since.as_ref().map(|s| parse_timestamp(s));
settings.time_range.before = before.as_ref().map(|s| parse_timestamp(s));
settings.sort_order = sort;
settings.pattern = regex;
settings.dump_format = format;
}
}
settings.lightmode = is_env_var_truthy("MCFLY_LIGHT");
settings.disable_menu = is_env_var_truthy("MCFLY_DISABLE_MENU");
settings.disable_run_command = is_env_var_truthy("MCFLY_DISABLE_RUN_COMMAND");
settings.key_scheme = match env::var("MCFLY_KEY_SCHEME").as_ref().map(String::as_ref) {
Ok("vim") => KeyScheme::Vim,
_ => KeyScheme::Emacs,
};
if let Ok(prompt) = env::var("MCFLY_PROMPT") {
if prompt.chars().count() == 1 {
settings.prompt = prompt;
}
}
settings
}
pub fn load_config(&mut self) {
let config_path = Settings::mcfly_config_path();
if config_path.exists() {
let config = config::File::from(config_path);
if let Ok(config_map) = config.collect() {
self.merge_config(config_map);
}
};
}
pub fn merge_config(&mut self, config_map: HashMap<String, Value>) {
let color_config = config_map.get("colors");
let menubar_config = color_config
.and_then(|v| v.clone().into_table().ok())
.and_then(|v| v.get("menubar").and_then(|v| v.clone().into_table().ok()));
if let Some(menubar_config) = menubar_config {
if let Some(menubar_bg) = menubar_config
.get("bg")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.menubar_bg = menubar_bg;
}
if let Some(menubar_fg) = menubar_config
.get("fg")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.menubar_fg = menubar_fg;
}
}
let darkmode_config = color_config
.and_then(|v| v.clone().into_table().ok())
.and_then(|v| v.get("darkmode").and_then(|v| v.clone().into_table().ok()));
if let Some(darkmode_config) = darkmode_config {
if let Some(prompt) = darkmode_config
.get("prompt")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.darkmode_colors.prompt = prompt;
}
if let Some(timing) = darkmode_config
.get("timing")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.darkmode_colors.timing = timing;
}
if let Some(results_fg) = darkmode_config
.get("results_fg")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.darkmode_colors.results_fg = results_fg;
}
if let Some(results_bg) = darkmode_config
.get("results_bg")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.darkmode_colors.results_bg = results_bg;
}
if let Some(results_hl) = darkmode_config
.get("results_hl")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.darkmode_colors.results_hl = results_hl;
}
if let Some(results_selection_fg) = darkmode_config
.get("results_selection_fg")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.darkmode_colors.results_selection_fg = results_selection_fg;
}
if let Some(results_selection_bg) = darkmode_config
.get("results_selection_bg")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.darkmode_colors.results_selection_bg = results_selection_bg;
}
if let Some(results_selection_hl) = darkmode_config
.get("results_selection_hl")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.darkmode_colors.results_selection_hl = results_selection_hl;
}
}
let lightmode_config = color_config
.and_then(|v| v.clone().into_table().ok())
.and_then(|v| v.get("lightmode").and_then(|v| v.clone().into_table().ok()));
if let Some(lightmode_config) = lightmode_config {
if let Some(prompt) = lightmode_config
.get("prompt")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.lightmode_colors.prompt = prompt;
}
if let Some(timing) = lightmode_config
.get("timing")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.lightmode_colors.timing = timing;
}
if let Some(results_fg) = lightmode_config
.get("results_fg")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.lightmode_colors.results_fg = results_fg;
}
if let Some(results_bg) = lightmode_config
.get("results_bg")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.lightmode_colors.results_bg = results_bg;
}
if let Some(results_hl) = lightmode_config
.get("results_hl")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.lightmode_colors.results_hl = results_hl;
}
if let Some(results_selection_fg) = lightmode_config
.get("results_selection_fg")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.lightmode_colors.results_selection_fg = results_selection_fg;
}
if let Some(results_selection_bg) = lightmode_config
.get("results_selection_bg")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.lightmode_colors.results_selection_bg = results_selection_bg;
}
if let Some(results_selection_hl) = lightmode_config
.get("results_selection_hl")
.and_then(|v| v.clone().into_string().ok())
.and_then(|v| Color::from_str(v.as_str()).ok())
{
self.colors.lightmode_colors.results_selection_hl = results_selection_hl;
}
}
}
// Use ~/.mcfly only if it already exists, otherwise create 'mcfly' folder in XDG_CACHE_DIR
pub fn mcfly_training_cache_path() -> PathBuf {
let cache_dir = Settings::mcfly_xdg_dir().cache_dir().to_path_buf();
Settings::mcfly_base_path(cache_dir).join(PathBuf::from("training-cache.v1.csv"))
}
// Use ~/.mcfly only if it already exists, otherwise create 'mcfly' folder in XDG_DATA_DIR
pub fn mcfly_db_path() -> PathBuf {
let data_dir = Settings::mcfly_xdg_dir().data_dir().to_path_buf();
if data_dir.exists() {
return Settings::mcfly_base_path(data_dir).join(PathBuf::from("history.db"));
};
let data_local_dir = Settings::mcfly_xdg_dir().data_local_dir().to_path_buf();
Settings::mcfly_base_path(data_local_dir).join(PathBuf::from("history.db"))
}
// Use ~/.mcfly only if it already exists, otherwise create 'mcfly' folder in XDG_DATA_DIR
pub fn mcfly_config_path() -> PathBuf {
let data_dir = Settings::mcfly_xdg_dir().data_dir().to_path_buf();
Settings::mcfly_base_path(data_dir).join(PathBuf::from("config.toml"))
}
fn mcfly_xdg_dir() -> ProjectDirs {
ProjectDirs::from("", "", "McFly").unwrap()
}
fn mcfly_base_path(base_dir: PathBuf) -> PathBuf {
Settings::mcfly_dir_in_home().unwrap_or(base_dir)
}
fn mcfly_dir_in_home() -> Option<PathBuf> {
let user_dirs_file = UserDirs::new()
.unwrap()
.home_dir()
.join(PathBuf::from(".mcfly"));
user_dirs_file.exists().then_some(user_dirs_file)
}
}
#[cfg(not(windows))]
pub fn pwd() -> String {
env::var("PWD").unwrap_or_else(|err| {
panic!(
"McFly error: Unable to determine current directory ({})",
err
)
})
}
#[cfg(windows)]
pub fn pwd() -> String {
env::current_dir()
.unwrap_or_else(|err| {
panic!(
"McFly error: Unable to determine current directory ({})",
err
)
})
.display()
.to_string()
}
fn is_env_var_truthy(name: &str) -> bool {
match env::var(name) {
Ok(val) => {
val != "F"
&& val != "f"
&& val != "false"
&& val != "False"
&& val != "FALSE"
&& val != "0"
}
Err(_) => false,
}
}
impl TimeRange {
/// Determine the range is full (`..`)
#[inline]
pub fn is_full(&self) -> bool {
self.since.is_none() && self.before.is_none()
}
}