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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)) => {
let kind = PagerKind::from_bin(bin);
let use_less_instead = match (&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) => true,
(PagerSource::EnvVarPager, PagerKind::Most) => true,
// Is false if the given expression does not match any of the
// patterns; this ensures 'less' is never silently used if BAT_PAGER
// or --pager has been specified.
let use_less_instead = matches!(
(&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 ...
(PagerSource::EnvVarPager, PagerKind::Bat) => true,
// Never silently use less if BAT_PAGER or --pager has been specified
_ => false,
};
// If PAGER=bat, silently use 'less' instead to prevent
// recursion ...
| (PagerSource::EnvVarPager, PagerKind::Bat)
);
Ok(Some(if use_less_instead {
let no_args = vec![];