mirror of
https://github.com/rust-lang/cargo
synced 2024-08-25 02:25:46 +00:00
161 lines
3.9 KiB
Rust
161 lines
3.9 KiB
Rust
use std::fs;
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use std::path::{Path, PathBuf};
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use crate::support::paths;
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use crate::support::{basic_manifest, git, project};
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use cargo::util::paths as cargopaths;
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#[test]
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fn deleting_database_files() {
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let project = project();
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let git_project = git::new("bar", |project| {
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project
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.file("Cargo.toml", &basic_manifest("bar", "0.5.0"))
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.file("src/lib.rs", "")
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})
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.unwrap();
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let project = project
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.file(
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"Cargo.toml",
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&format!(
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r#"
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[project]
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name = "foo"
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version = "0.5.0"
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authors = []
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[dependencies]
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bar = {{ git = '{}' }}
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"#,
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git_project.url()
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),
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)
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.file("src/lib.rs", "")
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.build();
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project.cargo("build").run();
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let mut files = Vec::new();
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find_files(&paths::home().join(".cargo/git/db"), &mut files);
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assert!(!files.is_empty());
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let log = "cargo::sources::git=trace";
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for file in files {
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if !file.exists() {
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continue;
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}
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println!("deleting {}", file.display());
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cargopaths::remove_file(&file).unwrap();
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project.cargo("build -v").env("CARGO_LOG", log).run();
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if !file.exists() {
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continue;
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}
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println!("truncating {}", file.display());
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make_writable(&file);
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fs::OpenOptions::new()
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.write(true)
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.open(&file)
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.unwrap()
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.set_len(2)
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.unwrap();
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project.cargo("build -v").env("CARGO_LOG", log).run();
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}
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}
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#[test]
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fn deleting_checkout_files() {
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let project = project();
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let git_project = git::new("bar", |project| {
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project
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.file("Cargo.toml", &basic_manifest("bar", "0.5.0"))
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.file("src/lib.rs", "")
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})
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.unwrap();
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let project = project
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.file(
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"Cargo.toml",
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&format!(
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r#"
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[project]
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name = "foo"
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version = "0.5.0"
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authors = []
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[dependencies]
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bar = {{ git = '{}' }}
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"#,
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git_project.url()
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),
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)
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.file("src/lib.rs", "")
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.build();
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project.cargo("build").run();
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let dir = paths::home()
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.join(".cargo/git/checkouts")
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// get the first entry in the checkouts dir for the package's location
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.read_dir()
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.unwrap()
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.next()
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.unwrap()
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.unwrap()
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.path()
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// get the first child of that checkout dir for our checkout
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.read_dir()
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.unwrap()
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.next()
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.unwrap()
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.unwrap()
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.path()
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// and throw on .git to corrupt things
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.join(".git");
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let mut files = Vec::new();
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find_files(&dir, &mut files);
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assert!(!files.is_empty());
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let log = "cargo::sources::git=trace";
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for file in files {
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if !file.exists() {
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continue;
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}
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println!("deleting {}", file.display());
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cargopaths::remove_file(&file).unwrap();
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project.cargo("build -v").env("CARGO_LOG", log).run();
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if !file.exists() {
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continue;
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}
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println!("truncating {}", file.display());
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make_writable(&file);
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fs::OpenOptions::new()
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.write(true)
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.open(&file)
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.unwrap()
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.set_len(2)
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.unwrap();
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project.cargo("build -v").env("CARGO_LOG", log).run();
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}
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}
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fn make_writable(path: &Path) {
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let mut p = path.metadata().unwrap().permissions();
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p.set_readonly(false);
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fs::set_permissions(path, p).unwrap();
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}
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fn find_files(path: &Path, dst: &mut Vec<PathBuf>) {
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for e in path.read_dir().unwrap() {
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let e = e.unwrap();
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let path = e.path();
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if e.file_type().unwrap().is_dir() {
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find_files(&path, dst);
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} else {
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dst.push(path);
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}
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}
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}
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