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[no-color] - implement NO_COLOR support

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Max Zhuravsky 2021-11-25 23:37:02 +03:00
parent b32f441851
commit aab1d3db59
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3 changed files with 14 additions and 3 deletions
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3
.gitignore vendored
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@ -19,3 +19,6 @@ parts
prime prime
stage stage
*.snap *.snap
# IntelliJ IDEA files
.idea

11
src/options/theme.rs
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@ -5,7 +5,7 @@ use crate::theme::{Options, UseColours, ColourScale, Definitions};
impl Options { impl Options {
pub fn deduce<V: Vars>(matches: &MatchedFlags<'_>, vars: &V) -> Result<Self, OptionsError> { pub fn deduce<V: Vars>(matches: &MatchedFlags<'_>, vars: &V) -> Result<Self, OptionsError> {
let use_colours = UseColours::deduce(matches)?; let use_colours = UseColours::deduce(matches, vars)?;
let colour_scale = ColourScale::deduce(matches)?; let colour_scale = ColourScale::deduce(matches)?;
let definitions = if use_colours == UseColours::Never { let definitions = if use_colours == UseColours::Never {
@ -21,10 +21,15 @@ impl Options {
impl UseColours { impl UseColours {
fn deduce(matches: &MatchedFlags<'_>) -> Result<Self, OptionsError> { fn deduce<V: Vars>(matches: &MatchedFlags<'_>, vars: &V) -> Result<Self, OptionsError> {
let default_value = match vars.get(vars::NO_COLOR) {
Some(_) => Self::Never,
None => Self::Automatic,
};
let word = match matches.get_where(|f| f.matches(&flags::COLOR) || f.matches(&flags::COLOUR))? { let word = match matches.get_where(|f| f.matches(&flags::COLOR) || f.matches(&flags::COLOUR))? {
Some(w) => w, Some(w) => w,
None => return Ok(Self::Automatic), None => return Ok(default_value),
}; };
if word == "always" { if word == "always" {

3
src/options/vars.rs
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@ -15,6 +15,9 @@ pub static COLUMNS: &str = "COLUMNS";
/// Environment variable used to datetime format. /// Environment variable used to datetime format.
pub static TIME_STYLE: &str = "TIME_STYLE"; pub static TIME_STYLE: &str = "TIME_STYLE";
/// Environment variable used to disable colors.
/// See: https://no-color.org/
pub static NO_COLOR: &str = "NO_COLOR";
// exa-specific variables // exa-specific variables