2018-10-11 22:50:37 +02:00
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use std::env;
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2018-10-07 23:22:42 +02:00
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use std::ffi::OsString;
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use std::fs;
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2020-03-24 03:08:19 +01:00
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use std::io::{self, Write};
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2018-10-17 23:02:53 +02:00
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use std::path::PathBuf;
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2018-10-07 23:22:42 +02:00
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2018-10-11 21:39:36 +02:00
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use shell_words;
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2020-03-21 16:48:27 +01:00
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use crate::directories::PROJECT_DIRS;
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2018-10-07 23:22:42 +02:00
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2018-10-17 23:02:53 +02:00
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pub fn config_file() -> PathBuf {
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2018-11-01 16:48:56 +01:00
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env::var("BAT_CONFIG_PATH")
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.ok()
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.map(PathBuf::from)
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.filter(|config_path| config_path.is_file())
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2019-03-08 11:46:49 +01:00
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.unwrap_or_else(|| PROJECT_DIRS.config_dir().join("config"))
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2018-10-17 23:02:53 +02:00
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}
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2020-03-24 03:08:19 +01:00
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pub fn generate_config_file() {
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let config_file = config_file();
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if config_file.exists() {
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println!("A config file already exists at: {}", config_file.to_string_lossy());
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print!("Overwrite? (y/n): ");
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let _ = io::stdout().flush();
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let mut decision = String::new();
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io::stdin().read_line(&mut decision).expect("Failed to read input");
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if !decision.trim().eq_ignore_ascii_case("Y") {
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return;
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}
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} else {
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let config_dir = config_file.parent().unwrap();
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if !config_dir.exists() {
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fs::create_dir(config_dir).expect("Unable to create config directory");
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}
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}
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let default_config = "# Specify desired theme (e.g. \"TwoDark\")
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#--theme=\"TwoDark\"
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# Enable this to use italic text on the terminal (not supported on all terminals):
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#--italic-text=always
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# Uncomment the following line to disable automatic paging:
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#--paging=never
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# Use C++ syntax for .ino files
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#--map-syntax \"*.ino:C++\"
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# Use \".gitignore\"-style highlighting for \".ignore\" files
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#--map-syntax \".ignore:Git Ignore\"
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";
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fs::write(&config_file, default_config).expect("Error writing config file!");
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println!("Success! Config file written to {}", config_file.to_string_lossy());
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}
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2018-10-11 22:50:37 +02:00
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pub fn get_args_from_config_file() -> Result<Vec<OsString>, shell_words::ParseError> {
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2019-10-20 22:01:20 +02:00
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Ok(fs::read_to_string(config_file())
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.ok()
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.map(|content| get_args_from_str(&content))
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.transpose()?
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.unwrap_or_else(|| vec![]))
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2018-10-07 23:22:42 +02:00
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}
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2018-10-11 23:01:19 +02:00
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pub fn get_args_from_env_var() -> Option<Result<Vec<OsString>, shell_words::ParseError>> {
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env::var("BAT_OPTS").ok().map(|s| get_args_from_str(&s))
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}
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2019-03-08 11:46:49 +01:00
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fn get_args_from_str(content: &str) -> Result<Vec<OsString>, shell_words::ParseError> {
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2018-10-11 22:50:37 +02:00
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let args_per_line = content
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2018-10-07 23:22:42 +02:00
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.split('\n')
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.map(|line| line.trim())
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.filter(|line| !line.is_empty())
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2019-03-08 11:46:49 +01:00
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.filter(|line| !line.starts_with('#'))
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2018-10-11 22:50:37 +02:00
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.map(|line| shell_words::split(line))
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.collect::<Result<Vec<_>, _>>()?;
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Ok(args_per_line
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.iter()
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.flatten()
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2018-10-07 23:22:42 +02:00
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.map(|line| line.into())
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2018-10-11 22:50:37 +02:00
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.collect())
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2018-10-07 23:22:42 +02:00
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}
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#[test]
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fn empty() {
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2018-10-11 22:50:37 +02:00
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let args = get_args_from_str("").unwrap();
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2018-10-07 23:22:42 +02:00
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assert!(args.is_empty());
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}
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#[test]
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fn single() {
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2018-10-11 22:50:37 +02:00
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assert_eq!(vec!["--plain"], get_args_from_str("--plain").unwrap());
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2018-10-07 23:22:42 +02:00
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}
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#[test]
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fn multiple() {
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2018-10-11 21:39:44 +02:00
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assert_eq!(
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vec!["--plain", "--language=cpp"],
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2018-10-11 22:50:37 +02:00
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get_args_from_str("--plain --language=cpp").unwrap()
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2018-10-11 21:39:44 +02:00
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);
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}
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#[test]
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fn quotes() {
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assert_eq!(
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vec!["--theme", "Sublime Snazzy"],
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2018-10-11 22:50:37 +02:00
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get_args_from_str("--theme \"Sublime Snazzy\"").unwrap()
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2018-10-11 21:39:44 +02:00
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);
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}
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#[test]
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fn multi_line() {
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2018-10-07 23:22:42 +02:00
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let config = "
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-p
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--style numbers,changes
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--color=always
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";
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assert_eq!(
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2018-10-11 21:39:36 +02:00
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vec!["-p", "--style", "numbers,changes", "--color=always"],
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2018-10-11 22:50:37 +02:00
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get_args_from_str(config).unwrap()
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2018-10-07 23:22:42 +02:00
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);
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}
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#[test]
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fn comments() {
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let config = "
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# plain style
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-p
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# show line numbers and Git modifications
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--style numbers,changes
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# Always show ANSI colors
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--color=always
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";
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assert_eq!(
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2018-10-11 21:39:36 +02:00
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vec!["-p", "--style", "numbers,changes", "--color=always"],
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2018-10-11 22:50:37 +02:00
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get_args_from_str(config).unwrap()
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2018-10-07 23:22:42 +02:00
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);
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}
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