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use std::sync::LazyLock;
pub static ENVIRONMENT: LazyLock<Environment> =
LazyLock::new(Environment::from_environment);
pub struct Environment {
pub root: String,
pub css_external: Option<String>,
pub primary_colour: Option<String>,
pub favicon_external: Option<String>,
pub mathjax: bool,
pub head: Option<String>,
pub header: Option<String>,
pub plain_text_route: Option<String>,
pub condense_links: Vec<String>,
pub condense_links_at_headings: Vec<String>,
pub proxy_by_default: bool,
pub keep_gemini: Option<Vec<String>>,
pub embed_images: Option<String>,
}
impl Environment {
fn from_environment() -> Self {
Self {
root: std::env::var("ROOT").unwrap_or_else(|_| {
log::warn!(
"could not use ROOT from environment variables, proceeding with \
default root: gemini://fuwn.me"
);
"gemini://fuwn.me".to_string()
}),
css_external: std::env::var("CSS_EXTERNAL").ok(),
primary_colour: std::env::var("PRIMARY_COLOUR").ok(),
favicon_external: std::env::var("FAVICON_EXTERNAL").ok(),
mathjax: std::env::var("MATHJAX")
.map(|v| v.to_lowercase() == "true")
.unwrap_or(true),
head: std::env::var("HEAD").ok(),
header: std::env::var("HEADER").ok(),
plain_text_route: std::env::var("PLAIN_TEXT_ROUTE").ok(),
condense_links: std::env::var("CONDENSE_LINKS")
.map(|s| s.split(',').map(String::from).collect())
.unwrap_or_default(),
condense_links_at_headings: std::env::var("CONDENSE_LINKS_AT_HEADINGS")
.map(|s| s.split(',').map(String::from).collect())
.unwrap_or_default(),
proxy_by_default: std::env::var("PROXY_BY_DEFAULT")
.map(|v| v.to_lowercase() == "true")
.unwrap_or(true),
keep_gemini: std::env::var("KEEP_GEMINI")
.ok()
.map(|s| s.split(',').map(String::from).collect()),
embed_images: std::env::var("EMBED_IMAGES").ok(),
}
}
}
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