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use std::{
fmt::Display,
fs::{self, File},
io::BufWriter,
path::Path,
};
use flate2::{Compression, write::GzEncoder};
use tar::Builder;
fn create_test_layer(name: &str) -> Option<()> {
fn ignore_error<O, E>(input: Result<O, E>) -> Option<O>
where
E: Display,
{
match input {
Ok(x) => Some(x),
Err(e) => {
println!("cargo:warning={e}: Some tests may fail due to missing layer.");
None
}
}
}
let input_dir = format!("test-data/images/{name}");
let input_dir = Path::new(&input_dir);
let output = format!("test-data/layers/{name}.tar.gz");
let output_path = Path::new(&output);
if !output_path.exists() {
println!("cargo:info=Creating {output}");
if let Some(parent_dir) = output_path.parent() {
ignore_error(fs::create_dir_all(parent_dir))?;
}
let tar_gz = ignore_error(File::create(output_path))?;
let enc = GzEncoder::new(BufWriter::new(tar_gz), Compression::default());
let mut tar = Builder::new(enc);
ignore_error(tar.append_dir_all(".", input_dir))?;
ignore_error(ignore_error(tar.into_inner())?.finish())?;
println!("cargo:info=Created {output}.");
}
Some(())
}
fn create_test_binaries() {
create_test_layer("victim");
}
fn main() {
//println!("cargo:rerun-if-changed=migrations");
create_test_binaries();
}
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