smaug_lib/sources/
file_source.rs1use crate::dependency::Dependency;
2use crate::source::Source;
3use crate::sources::dir_source::DirSource;
4use log::*;
5use std::path::Path;
6use std::path::PathBuf;
7use walkdir::WalkDir;
8use zip_extensions::zip_extract;
9
10#[derive(Clone, Debug)]
11pub struct FileSource {
12 pub path: PathBuf,
13}
14
15impl Source for FileSource {
16 fn install(&self, dependency: &Dependency, destination: &Path) -> std::io::Result<()> {
17 trace!("Installing file at {}", self.path.display());
18 let cached = crate::smaug::cache_dir().join(dependency.clone().name);
19
20 rm_rf::ensure_removed(cached.clone()).expect("Couldn't remove directory");
21
22 trace!("Extracting zip to {}", cached.display());
23 zip_extract(&self.path.to_path_buf(), &cached)?;
24
25 trace!(
26 "Finding top level package directory in {}",
27 cached.display()
28 );
29
30 match find_package_dir(&cached) {
31 None => Err(std::io::Error::new(
32 std::io::ErrorKind::NotFound,
33 format!("No Smaug.toml file found in {}", cached.display()).as_str(),
34 )),
35 Some(dir) => DirSource { path: dir }.install(dependency, destination),
36 }
37 }
38}
39
40fn find_package_dir(path: &Path) -> Option<PathBuf> {
41 for entry in WalkDir::new(path) {
42 let entry = entry.unwrap();
43
44 if entry.file_name() == "Smaug.toml" {
45 return Some(entry.path().parent().unwrap().to_path_buf());
46 }
47 }
48
49 None
50}