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use std::env;
use std::ffi::OsString;
use std::io::ErrorKind;
use std::process;
use std::process::Command;
use crate::config::RootModuleConfig;
use crate::config::StarshipConfig;
use crate::utils;
use std::fs::File;
use std::io::Write;
use toml::map::Map;
use toml::value::Table;
use toml::Value;
#[cfg(not(windows))]
const STD_EDITOR: &str = "vi";
#[cfg(windows)]
const STD_EDITOR: &str = "notepad.exe";
pub fn update_configuration(name: &str, value: &str) {
let keys: Vec<&str> = name.split('.').collect();
if keys.len() != 2 {
log::error!("Please pass in a config key with a '.'");
process::exit(1);
}
if let Some(table) = get_configuration().as_table_mut() {
if !table.contains_key(keys[0]) {
table.insert(keys[0].to_string(), Value::Table(Map::new()));
}
if let Some(values) = table.get(keys[0]).unwrap().as_table() {
let mut updated_values = values.clone();
if value.parse::<bool>().is_ok() {
updated_values.insert(
keys[1].to_string(),
Value::Boolean(value.parse::<bool>().unwrap()),
);
} else if value.parse::<i64>().is_ok() {
updated_values.insert(
keys[1].to_string(),
Value::Integer(value.parse::<i64>().unwrap()),
);
} else {
updated_values.insert(keys[1].to_string(), Value::String(value.to_string()));
}
table.insert(keys[0].to_string(), Value::Table(updated_values));
}
write_configuration(table);
}
}
pub fn print_configuration(use_default: bool) {
let config = if use_default {
// Get default config
let default_config = crate::configs::FullConfig::default();
// Convert back to Value because toml can't serialize FullConfig directly
toml::value::Value::try_from(default_config).unwrap()
} else {
// Get config as toml::Value
let user_config = get_configuration();
// Convert into FullConfig and fill in default values
let user_config = crate::configs::FullConfig::try_load(Some(&user_config));
// Convert back to Value because toml can't serialize FullConfig directly
toml::value::Value::try_from(user_config).unwrap()
};
let string_config = toml::to_string_pretty(&config).unwrap();
println!("# Warning: This config does not include keys that have an unset value");
println!("{}", string_config);
}
pub fn toggle_configuration(name: &str, key: &str) {
if let Some(table) = get_configuration().as_table_mut() {
match table.get(name) {
Some(v) => {
if let Some(values) = v.as_table() {
let mut updated_values = values.clone();
let current: bool = match updated_values.get(key) {
Some(v) => match v.as_bool() {
Some(b) => b,
_ => {
log::error!(
"Given config key '{}' must be in 'boolean' format",
key
);
process::exit(1);
}
},
_ => {
log::error!("Given config key '{}' must be exist in config file", key);
process::exit(1);
}
};
updated_values.insert(key.to_string(), Value::Boolean(!current));
table.insert(name.to_string(), Value::Table(updated_values));
write_configuration(table);
}
}
_ => {
log::error!("Given module '{}' not found in config file", name);
process::exit(1);
}
};
}
}
pub fn get_configuration() -> Value {
let starship_config = StarshipConfig::initialize();
starship_config
.config
.expect("Failed to load starship config")
}
pub fn write_configuration(table: &mut Table) {
let config_path = get_config_path();
let config_str =
toml::to_string_pretty(&table).expect("Failed to serialize the config to string");
File::create(&config_path)
.and_then(|mut file| file.write_all(config_str.as_ref()))
.expect("Error writing starship config");
}
pub fn edit_configuration() {
let config_path = get_config_path();
let editor_cmd = shell_words::split(&get_editor()).expect("Unmatched quotes found in $EDITOR.");
let editor_path = which::which(&editor_cmd[0]).expect("Unable to locate editor in $PATH.");
let command = Command::new(editor_path)
.args(&editor_cmd[1..])
.arg(config_path)
.status();
match command {
Ok(_) => (),
Err(error) => match error.kind() {
ErrorKind::NotFound => {
eprintln!(
"Error: editor {:?} was not found. Did you set your $EDITOR or $VISUAL \
environment variables correctly?",
editor_cmd
);
std::process::exit(1)
}
other_error => panic!("failed to open file: {:?}", other_error),
},
};
}
fn get_editor() -> String {
get_editor_internal(env::var("VISUAL").ok(), env::var("EDITOR").ok())
}
fn get_editor_internal(visual: Option<String>, editor: Option<String>) -> String {
let editor_name = visual.unwrap_or_default();
if !editor_name.is_empty() {
return editor_name;
}
let editor_name = editor.unwrap_or_default();
if !editor_name.is_empty() {
return editor_name;
}
STD_EDITOR.into()
}
fn get_config_path() -> OsString {
if let Some(config_path) = env::var_os("STARSHIP_CONFIG") {
return config_path;
}
utils::home_dir()
.expect("couldn't find home directory")
.join(".config")
.join("starship.toml")
.into()
}
#[cfg(test)]
mod tests {
use super::*;
// This is every possible permutation, 3² = 9.
#[test]
fn visual_set_editor_set() {
let actual = get_editor_internal(Some("foo".into()), Some("bar".into()));
assert_eq!("foo", actual);
}
#[test]
fn visual_set_editor_empty() {
let actual = get_editor_internal(Some("foo".into()), None);
assert_eq!("foo", actual);
}
#[test]
fn visual_set_editor_not_set() {
let actual = get_editor_internal(Some("foo".into()), None);
assert_eq!("foo", actual);
}
#[test]
fn visual_empty_editor_set() {
let actual = get_editor_internal(Some("".into()), Some("bar".into()));
assert_eq!("bar", actual);
}
#[test]
fn visual_empty_editor_empty() {
let actual = get_editor_internal(Some("".into()), Some("".into()));
assert_eq!(STD_EDITOR, actual);
}
#[test]
fn visual_empty_editor_not_set() {
let actual = get_editor_internal(Some("".into()), None);
assert_eq!(STD_EDITOR, actual);
}
#[test]
fn visual_not_set_editor_set() {
let actual = get_editor_internal(None, Some("bar".into()));
assert_eq!("bar", actual);
}
#[test]
fn visual_not_set_editor_empty() {
let actual = get_editor_internal(None, Some("".into()));
assert_eq!(STD_EDITOR, actual);
}
#[test]
fn visual_not_set_editor_not_set() {
let actual = get_editor_internal(None, None);
assert_eq!(STD_EDITOR, actual);
}
}
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