88 lines
2.4 KiB
Rust
88 lines
2.4 KiB
Rust
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use std::{fs, path::PathBuf, ffi::OsStr, process::Command, error::Error};
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use css_minify::optimizations::{Minifier, Level};
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fn asset_path(asset: &PathBuf) -> PathBuf {
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let mut path = asset.components().take(1).collect::<PathBuf>();
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path.push(asset.components().last().unwrap());
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path
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}
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fn extfilter(valid: String, x: Option<&OsStr>) -> bool {
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if x.is_none() {
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return false
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}
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let ext = x.clone().unwrap().to_str().unwrap().to_string();
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ext == valid
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}
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fn system(cmd: &str, args: &[&str]) -> Result<String, Box<dyn Error>> {
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let out = Command::new(cmd)
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.args(args)
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.output()
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?;
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if out.stderr.len() != 0 {
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panic!("Got this while running {cmd} with \"{}\": {}", args.join(" "), String::from_utf8(out.stderr).unwrap())
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}
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Ok(String::from_utf8(out.stdout)?)
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}
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fn main() {
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println!("cargo:rerun-if-changed=static/assets");
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let assets = fs::read_dir("static/assets").unwrap();
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let assets = assets
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.map(|x| x.unwrap().path())
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.filter(|x| x.extension().is_some())
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.collect::<Vec<PathBuf>>();
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let styles = assets
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.iter()
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.filter(|x| {
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extfilter("css".into(), x.extension())
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})
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.collect::<Vec<&PathBuf>>();
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let scripts = assets
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.iter()
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.filter(|x| {
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extfilter("js".into(), x.extension())
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})
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.collect::<Vec<&PathBuf>>();
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styles.iter().for_each(|asset| {
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let bundled = Minifier::default().minify(
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String::from_utf8(fs::read(asset).unwrap()).unwrap().as_str(),
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Level::Zero
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).unwrap();
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fs::write(asset_path(asset), bundled).unwrap();
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});
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scripts.iter().for_each(|asset| {
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Command::new("uglifyjs")
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.arg(asset)
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.arg("-o")
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.arg(asset_path(asset))
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.arg("-c")
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.spawn()
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.unwrap();
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});
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let commit = system("git", &["rev-parse", "HEAD"]).map_err(|x| x.to_string());
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let branch = system("git", &["rev-parse", "--abbrev-ref", "HEAD"]).map_err(|x| x.to_string());
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match commit {
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Err(err) => panic!("Can't get commit: {}", err),
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Ok(commit) => println!("cargo:rustc-env=COMMIT_HASH={commit}")
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}
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match branch {
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Err(err) => panic!("Can't get commit: {}", err),
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Ok(branch) => println!("cargo:rustc-env=COMMIT_BRANCH={branch}")
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}
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} |