blanket_rs/resource/
copy.rs

1use std::cell::RefCell;
2use std::path::{Path, PathBuf};
3use std::rc::Rc;
4
5use crate::{
6    builder::{Build, Builder, Dependency},
7    resource::Directory,
8};
9
10#[derive(Debug)]
11pub struct CopyFile {
12    source: PathBuf,
13    path: PathBuf,
14}
15
16impl CopyFile {
17    pub fn new<P: AsRef<Path>>(source: P, path: P) -> Self {
18        Self {
19            source: source.as_ref().to_path_buf(),
20            path: path.as_ref().to_path_buf(),
21        }
22    }
23}
24
25impl PartialEq for CopyFile {
26    fn eq(&self, other: &Self) -> bool {
27        self.path == other.path
28    }
29}
30
31impl Build for CopyFile {
32    fn as_any(&self) -> &dyn std::any::Any {
33        self
34    }
35    fn equals(&self, other: Rc<RefCell<dyn Build>>) -> bool {
36        let other = other.borrow();
37        let any = other.as_any();
38        match any.downcast_ref::<Self>() {
39            Some(other) => self == other,
40            None => false,
41        }
42    }
43    fn register(
44        self,
45        builder: &mut Builder,
46    ) -> Result<(Option<PathBuf>, Dependency, Vec<Dependency>), Box<dyn std::error::Error>> {
47        let path = self.path.clone();
48        let parent = match self.path.parent() {
49            Some(parent) => parent,
50            None => return Err("path has no parent".into()),
51        };
52        let dir = builder.require(Directory::new(parent))?;
53        let dependency = builder.make_dependency(self)?;
54        Ok((Some(path), dependency, vec![dir]))
55    }
56    fn generate(&mut self) -> Result<(), Box<dyn std::error::Error>> {
57        let CopyFile { source, path } = self;
58        if source.is_dir() {
59            return Err("source is a directory".into());
60        }
61        std::fs::copy(source, path)?;
62        Ok(())
63    }
64}
blanket_rs/resource/copy.rs

blanket_rs/resource/
copy.rs
