Plume/build.rs
2020-01-21 07:02:03 +01:00

156 lines
4.6 KiB
Rust

use rsass;
use ructe::Ructe;
use std::process::{Command, Stdio};
use std::{ffi::OsStr, fs::*, io::Write, path::*};
fn compute_static_hash() -> String {
//"find static/ -type f ! -path 'static/media/*' | sort | xargs stat -c'%n %Y' | openssl dgst -r"
let find = Command::new("find")
.args(&["static/", "-type", "f", "!", "-path", "static/media/*"])
.stdout(Stdio::piped())
.spawn()
.expect("failed find command");
let sort = Command::new("sort")
.stdin(find.stdout.unwrap())
.stdout(Stdio::piped())
.spawn()
.expect("failed sort command");
let xargs = Command::new("xargs")
.args(&["stat", "-c'%n %Y'"])
.stdin(sort.stdout.unwrap())
.stdout(Stdio::piped())
.spawn()
.expect("failed xargs command");
let mut sha = Command::new("openssl")
.args(&["dgst", "-r"])
.stdin(xargs.stdout.unwrap())
.output()
.expect("failed openssl command");
sha.stdout.resize(64, 0);
String::from_utf8(sha.stdout).unwrap()
}
fn main() {
Ructe::from_env()
.expect("This must be run with cargo")
.compile_templates("templates")
.expect("compile templates");
compile_themes().expect("Theme compilation error");
recursive_copy(&Path::new("assets").join("icons"), &Path::new("static"))
.expect("Couldn't copy icons");
recursive_copy(&Path::new("assets").join("images"), &Path::new("static"))
.expect("Couldn't copy images");
create_dir_all(&Path::new("static").join("media")).expect("Couldn't init media directory");
let cache_id = &compute_static_hash()[..8];
println!("cargo:rerun-if-changed=target/deploy/plume-front.wasm");
copy("target/deploy/plume-front.wasm", "static/plume-front.wasm")
.and_then(|_| read_to_string("target/deploy/plume-front.js"))
.and_then(|js| {
write(
"static/plume-front.js",
js.replace(
"\"plume-front.wasm\"",
&format!("\"/static/cached/{}/plume-front.wasm\"", cache_id),
),
)
})
.ok();
println!("cargo:rustc-env=CACHE_ID={}", cache_id)
}
fn compile_themes() -> std::io::Result<()> {
let input_dir = Path::new("assets").join("themes");
let output_dir = Path::new("static").join("css");
let themes = find_themes(input_dir)?;
for theme in themes {
compile_theme(&theme, &output_dir)?;
}
Ok(())
}
fn find_themes(path: PathBuf) -> std::io::Result<Vec<PathBuf>> {
let ext = path.extension().and_then(OsStr::to_str);
if metadata(&path)?.is_dir() {
Ok(read_dir(&path)?.fold(vec![], |mut themes, ch| {
if let Ok(ch) = ch {
if let Ok(mut new) = find_themes(ch.path()) {
themes.append(&mut new);
}
}
themes
}))
} else if (ext == Some("scss") || ext == Some("sass"))
&& !path.file_name().unwrap().to_str().unwrap().starts_with('_')
{
Ok(vec![path.clone()])
} else {
Ok(vec![])
}
}
fn compile_theme(path: &Path, out_dir: &Path) -> std::io::Result<()> {
let name = path
.components()
.skip_while(|c| *c != Component::Normal(OsStr::new("themes")))
.skip(1)
.filter_map(|c| {
c.as_os_str()
.to_str()
.unwrap_or_default()
.splitn(2, '.')
.next()
})
.collect::<Vec<_>>()
.join("-");
let dir = path.parent().unwrap();
let out = out_dir.join(name);
create_dir_all(&out)?;
// copy files of the theme that are not scss
for ch in read_dir(&dir)? {
recursive_copy(&ch?.path(), &out)?;
}
// compile the .scss/.sass file
let mut out = File::create(out.join("theme.css"))?;
out.write_all(
&rsass::compile_scss_file(path, rsass::OutputStyle::Compressed)
.expect("SCSS compilation error"),
)?;
Ok(())
}
fn recursive_copy(path: &Path, out_dir: &Path) -> std::io::Result<()> {
if metadata(path)?.is_dir() {
let out = out_dir.join(path.file_name().unwrap());
create_dir_all(out.clone())?;
for ch in read_dir(path)? {
recursive_copy(&ch?.path(), &out)?;
}
} else {
println!("cargo:rerun-if-changed={}", path.display());
let ext = path.extension().and_then(OsStr::to_str);
if ext != Some("scss") && ext != Some("sass") {
copy(path, out_dir.join(path.file_name().unwrap()))?;
}
}
Ok(())
}