git_workspace/
lockfile.rs

1use crate::repository::Repository;
2use anyhow::Context;
3use serde::{Deserialize, Serialize};
4use std::fs;
5use std::path::PathBuf;
6
7pub struct Lockfile {
8    path: PathBuf,
9}
10
11#[derive(Deserialize, Serialize, Debug)]
12struct LockfileContents {
13    #[serde(rename = "repo")]
14    repos: Vec<Repository>,
15}
16
17impl Lockfile {
18    pub fn new(path: PathBuf) -> Lockfile {
19        Lockfile { path }
20    }
21
22    pub fn read(&self) -> anyhow::Result<Vec<Repository>> {
23        let config_data = fs::read_to_string(&self.path)
24            .with_context(|| format!("Cannot read file {}", self.path.display()))?;
25        let config: LockfileContents = toml::from_str(config_data.as_str())
26            .with_context(|| "Error deserializing".to_string())?;
27        Ok(config.repos)
28    }
29
30    pub fn write(&self, repositories: &[Repository]) -> anyhow::Result<()> {
31        let mut sorted_repositories = repositories.to_owned();
32        sorted_repositories.sort();
33
34        let toml = toml::to_string(&LockfileContents {
35            repos: sorted_repositories,
36        })?;
37        fs::write(&self.path, toml)
38            .with_context(|| format!("Error writing lockfile to {}", self.path.display()))?;
39
40        Ok(())
41    }
42}
git_workspace/lockfile.rs

git_workspace/
lockfile.rs
