85 lines
2.4 KiB
Rust
85 lines
2.4 KiB
Rust
use super::{Context, Module, ModuleConfig};
|
|
|
|
use super::utils::directory::truncate;
|
|
use crate::configs::spack::SpackConfig;
|
|
use crate::formatter::StringFormatter;
|
|
|
|
/// Creates a module with the current Spack environment
|
|
///
|
|
/// Will display the Spack environment if `$SPACK_ENV` is set.
|
|
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
|
|
let spack_env = context.get_env("SPACK_ENV").unwrap_or_default();
|
|
if spack_env.trim().is_empty() {
|
|
return None;
|
|
}
|
|
|
|
let mut module = context.new_module("spack");
|
|
let config: SpackConfig = SpackConfig::try_load(module.config);
|
|
|
|
let spack_env = truncate(&spack_env, config.truncation_length).unwrap_or(spack_env);
|
|
|
|
let parsed = StringFormatter::new(config.format).and_then(|formatter| {
|
|
formatter
|
|
.map_meta(|variable, _| match variable {
|
|
"symbol" => Some(config.symbol),
|
|
_ => None,
|
|
})
|
|
.map_style(|variable| match variable {
|
|
"style" => Some(Ok(config.style)),
|
|
_ => None,
|
|
})
|
|
.map(|variable| match variable {
|
|
"environment" => Some(Ok(spack_env.as_str())),
|
|
_ => None,
|
|
})
|
|
.parse(None, Some(context))
|
|
});
|
|
|
|
module.set_segments(match parsed {
|
|
Ok(segments) => segments,
|
|
Err(error) => {
|
|
log::warn!("Error in module `spack`:\n{}", error);
|
|
return None;
|
|
}
|
|
});
|
|
|
|
Some(module)
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use crate::test::ModuleRenderer;
|
|
use nu_ansi_term::Color;
|
|
|
|
#[test]
|
|
fn not_in_env() {
|
|
let actual = ModuleRenderer::new("spack").collect();
|
|
|
|
let expected = None;
|
|
|
|
assert_eq!(expected, actual);
|
|
}
|
|
|
|
#[test]
|
|
fn env_set() {
|
|
let actual = ModuleRenderer::new("spack")
|
|
.env("SPACK_ENV", "astronauts")
|
|
.collect();
|
|
|
|
let expected = Some(format!("via {} ", Color::Blue.bold().paint("🅢 astronauts")));
|
|
|
|
assert_eq!(expected, actual);
|
|
}
|
|
|
|
#[test]
|
|
fn truncate() {
|
|
let actual = ModuleRenderer::new("spack")
|
|
.env("SPACK_ENV", "/some/really/long/and/really/annoying/path/that/shouldnt/be/displayed/fully/spack/my_env")
|
|
.collect();
|
|
|
|
let expected = Some(format!("via {} ", Color::Blue.bold().paint("🅢 my_env")));
|
|
|
|
assert_eq!(expected, actual);
|
|
}
|
|
}
|