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Add the "environment" key to presets

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This commit is contained in:
Roey Darwish Dror 2019-06-06 13:28:15 +03:00
parent ffbd34e14f
commit 7dcff2a019
2 changed files with 20 additions and 0 deletions
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3
src/error.rs
View File

@ -77,6 +77,9 @@ pub enum ErrorKind {
#[fail(display = "Error loading preset \"{}\"", _0)]
Preset(String),
#[fail(display = "Missing environment variables \"{:?}\"", _0)]
MissingEnvironmentVariables(Vec<String>),
#[fail(display = "Error executing preset script")]
PresetScript,
}

17
src/presets.rs
View File

@ -2,6 +2,7 @@ use crate::error::{Error, ErrorKind};
use failure::ResultExt;
use serde::Deserialize;
use std::collections::HashSet;
use std::env;
use std::fs;
use std::path::{Path, PathBuf};
use toml;
@ -11,6 +12,7 @@ use toml;
struct Preset {
packages: Option<Vec<String>>,
script: Option<String>,
environment_variables: Option<Vec<String>>,
}
impl Preset {
@ -31,20 +33,35 @@ impl Presets {
pub fn load(list: &[PathBuf]) -> Result<Self, Error> {
let mut packages = HashSet::new();
let mut scripts = Vec::new();
let mut environment_variables = HashSet::new();
for preset in list {
let Preset {
script,
packages: preset_packages,
environment_variables: preset_environment_variables,
} = Preset::load(&preset)?;
if let Some(preset_packages) = preset_packages {
packages.extend(preset_packages);
}
if let Some(preset_environment_variables) = preset_environment_variables {
environment_variables.extend(preset_environment_variables);
}
scripts.extend(script);
}
let missing_envrionments: Vec<String> = environment_variables
.into_iter()
.filter(|var| env::var(var).is_err())
.collect();
if !missing_envrionments.is_empty() {
Err(ErrorKind::MissingEnvironmentVariables(missing_envrionments))?
}
Ok(Self { packages, scripts })
}
}