mirror of https://github.com/sharkdp/bat
Support for ignored-suffix CLI arguments (#1892)
parent
59d4cfb75c
commit
d6ed5e6746
@ -1,42 +0,0 @@
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use std::ffi::OsStr;
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use std::path::Path;
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use crate::error::*;
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const IGNORED_SUFFIXES: [&str; 13] = [
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// Editor etc backups
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"~",
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".bak",
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".old",
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".orig",
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// Debian and derivatives apt/dpkg/ucf backups
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".dpkg-dist",
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".dpkg-old",
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".ucf-dist",
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".ucf-new",
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".ucf-old",
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// Red Hat and derivatives rpm backups
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".rpmnew",
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".rpmorig",
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".rpmsave",
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// Build system input/template files
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".in",
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];
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/// If we find an ignored suffix on the file name, e.g. '~', we strip it and
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/// then try again without it.
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pub fn try_with_stripped_suffix<T, F>(file_name: &OsStr, func: F) -> Result<Option<T>>
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where
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F: Fn(&OsStr) -> Result<Option<T>>,
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{
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let mut from_stripped = None;
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if let Some(file_str) = Path::new(file_name).to_str() {
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for suffix in &IGNORED_SUFFIXES {
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if let Some(stripped_filename) = file_str.strip_suffix(suffix) {
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from_stripped = func(OsStr::new(stripped_filename))?;
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break;
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}
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}
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}
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Ok(from_stripped)
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}
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@ -0,0 +1,107 @@
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use std::ffi::OsStr;
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use std::fmt::Debug;
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use std::path::Path;
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use crate::error::*;
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#[derive(Debug, Clone)]
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pub struct IgnoredSuffixes<'a> {
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values: Vec<&'a str>,
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}
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impl Default for IgnoredSuffixes<'_> {
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fn default() -> Self {
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Self {
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values: vec![
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// Editor etc backups
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"~",
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".bak",
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".old",
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".orig",
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// Debian and derivatives apt/dpkg/ucf backups
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".dpkg-dist",
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".dpkg-old",
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".ucf-dist",
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".ucf-new",
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".ucf-old",
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// Red Hat and derivatives rpm backups
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".rpmnew",
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".rpmorig",
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".rpmsave",
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// Build system input/template files
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".in",
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],
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}
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}
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}
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impl<'a> IgnoredSuffixes<'a> {
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pub fn add_suffix(&mut self, suffix: &'a str) {
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self.values.push(suffix)
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}
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pub fn strip_suffix(&self, file_name: &'a str) -> Option<&'a str> {
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for suffix in self.values.iter() {
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if let Some(stripped_file_name) = file_name.strip_suffix(suffix) {
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return Some(stripped_file_name);
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}
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}
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None
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}
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/// If we find an ignored suffix on the file name, e.g. '~', we strip it and
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/// then try again without it.
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pub fn try_with_stripped_suffix<T, F>(&self, file_name: &'a OsStr, func: F) -> Result<Option<T>>
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where
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F: Fn(&'a OsStr) -> Result<Option<T>>,
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{
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if let Some(file_str) = Path::new(file_name).to_str() {
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if let Some(stripped_file_name) = self.strip_suffix(file_str) {
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return func(OsStr::new(stripped_file_name));
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}
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}
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Ok(None)
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}
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}
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#[test]
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fn internal_suffixes() {
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let ignored_suffixes = IgnoredSuffixes::default();
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let file_names = ignored_suffixes
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.values
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.iter()
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.map(|suffix| format!("test.json{}", suffix));
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for file_name_str in file_names {
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let file_name = OsStr::new(&file_name_str);
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let expected_stripped_file_name = OsStr::new("test.json");
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let stripped_file_name = ignored_suffixes
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.try_with_stripped_suffix(file_name, |stripped_file_name| Ok(Some(stripped_file_name)));
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assert_eq!(
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expected_stripped_file_name,
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stripped_file_name.unwrap().unwrap()
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);
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}
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}
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#[test]
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fn external_suffixes() {
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let mut ignored_suffixes = IgnoredSuffixes::default();
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ignored_suffixes.add_suffix(".development");
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ignored_suffixes.add_suffix(".production");
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let file_names = ignored_suffixes
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.values
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.iter()
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.map(|suffix| format!("test.json{}", suffix));
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for file_name_str in file_names {
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let file_name = OsStr::new(&file_name_str);
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let expected_stripped_file_name = OsStr::new("test.json");
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let stripped_file_name = ignored_suffixes
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.try_with_stripped_suffix(file_name, |stripped_file_name| Ok(Some(stripped_file_name)));
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assert_eq!(
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expected_stripped_file_name,
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stripped_file_name.unwrap().unwrap()
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);
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}
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}
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@ -0,0 +1 @@
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{"test": "value"}
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@ -0,0 +1 @@
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{"test": "value"}
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