108 lines
2.9 KiB
Rust
108 lines
2.9 KiB
Rust
use super::{Context, Module, ModuleConfig};
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use super::utils::directory::truncate;
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use crate::configs::conda::CondaConfig;
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use crate::formatter::StringFormatter;
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/// Creates a module with the current Conda environment
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///
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/// Will display the Conda environment iff `$CONDA_DEFAULT_ENV` is set.
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pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
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// Reference implementation: https://github.com/denysdovhan/spaceship-prompt/blob/master/sections/conda.zsh
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let conda_env = context.get_env("CONDA_DEFAULT_ENV").unwrap_or_default();
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if conda_env.trim().is_empty() {
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return None;
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}
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let mut module = context.new_module("conda");
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let config: CondaConfig = CondaConfig::try_load(module.config);
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if config.ignore_base && conda_env == "base" {
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return None;
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}
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let conda_env = truncate(&conda_env, config.truncation_length).unwrap_or(conda_env);
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let parsed = StringFormatter::new(config.format).and_then(|formatter| {
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formatter
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.map_meta(|variable, _| match variable {
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"symbol" => Some(config.symbol),
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_ => None,
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})
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.map_style(|variable| match variable {
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"style" => Some(Ok(config.style)),
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_ => None,
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})
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.map(|variable| match variable {
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"environment" => Some(Ok(conda_env.as_str())),
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_ => None,
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})
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.parse(None, Some(context))
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});
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module.set_segments(match parsed {
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Ok(segments) => segments,
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Err(error) => {
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log::warn!("Error in module `conda`:\n{}", error);
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return None;
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}
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});
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Some(module)
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}
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#[cfg(test)]
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mod tests {
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use crate::test::ModuleRenderer;
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use nu_ansi_term::Color;
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#[test]
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fn not_in_env() {
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let actual = ModuleRenderer::new("conda").collect();
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let expected = None;
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assert_eq!(expected, actual);
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}
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#[test]
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fn ignore_base() {
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let actual = ModuleRenderer::new("conda")
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.env("CONDA_DEFAULT_ENV", "base")
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.config(toml::toml! {
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[conda]
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ignore_base = true
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})
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.collect();
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let expected = None;
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assert_eq!(expected, actual);
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}
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#[test]
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fn env_set() {
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let actual = ModuleRenderer::new("conda")
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.env("CONDA_DEFAULT_ENV", "astronauts")
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.collect();
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let expected = Some(format!(
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"via {} ",
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Color::Green.bold().paint("🅒 astronauts")
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));
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assert_eq!(expected, actual);
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}
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#[test]
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fn truncate() {
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let actual = ModuleRenderer::new("conda")
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.env("CONDA_DEFAULT_ENV", "/some/really/long/and/really/annoying/path/that/shouldnt/be/displayed/fully/conda/my_env")
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.collect();
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let expected = Some(format!("via {} ", Color::Green.bold().paint("🅒 my_env")));
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assert_eq!(expected, actual);
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}
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}
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