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Use matches macro

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This commit is contained in:
Mohamed Abdelnour 2021-05-21 14:53:39 +02:00 committed by David Peter
parent 304ee1489c
commit 23fd11e806
1 changed files with 14 additions and 11 deletions
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25
src/pager.rs
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@ -98,18 +98,21 @@ pub(crate) fn get_pager(config_pager: Option<&str>) -> Result<Option<Pager>, Par
Some((bin, args)) => { Some((bin, args)) => {
let kind = PagerKind::from_bin(bin); let kind = PagerKind::from_bin(bin);
let use_less_instead = match (&source, &kind) { // Is false if the given expression does not match any of the
// 'more' and 'most' do not supports colors; automatically use 'less' instead // patterns; this ensures 'less' is never silently used if BAT_PAGER
// if the problematic pager came from the generic PAGER env var // or --pager has been specified.
(PagerSource::EnvVarPager, PagerKind::More) => true, let use_less_instead = matches!(
(PagerSource::EnvVarPager, PagerKind::Most) => true, (&source, &kind),
// 'more' and 'most' do not supports colors; automatically use
// 'less' instead if the problematic pager came from the
// generic PAGER env var
(PagerSource::EnvVarPager, PagerKind::More)
| (PagerSource::EnvVarPager, PagerKind::Most)
// If PAGER=bat, silently use 'less' instead to prevent recursion ... // If PAGER=bat, silently use 'less' instead to prevent
(PagerSource::EnvVarPager, PagerKind::Bat) => true, // recursion ...
| (PagerSource::EnvVarPager, PagerKind::Bat)
// Never silently use less if BAT_PAGER or --pager has been specified );
_ => false,
};
Ok(Some(if use_less_instead { Ok(Some(if use_less_instead {
let no_args = vec![]; let no_args = vec![];