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Detect project origins (if any)
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18
lib/examples/project-origins.rs
Normal file
18
lib/examples/project-origins.rs
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@ -0,0 +1,18 @@
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use std::env::args;
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use miette::{IntoDiagnostic, Result};
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use watchexec::project::origins;
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// Run with: `cargo run --example project-origins [PATH]`
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#[tokio::main]
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async fn main() -> Result<()> {
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tracing_subscriber::fmt::init();
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let path =
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dunce::canonicalize(args().nth(1).unwrap_or_else(|| ".".to_string())).into_diagnostic()?;
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for origin in origins(&path).await {
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println!("{}", origin.display());
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}
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Ok(())
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}
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@ -1,12 +1,90 @@
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//! Detect project type and origin.
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use std::{
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fs::Metadata,
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io::Error,
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path::{Path, PathBuf},
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};
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pub async fn origins(path: impl AsRef<Path>) -> Result<Vec<PathBuf>, Error> {
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todo!()
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use futures::{future::ready as is_true, stream::FuturesUnordered, StreamExt};
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use tokio::fs::metadata;
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use tracing::trace;
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pub async fn origins(path: impl AsRef<Path>) -> Vec<PathBuf> {
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let mut origins = Vec::new();
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async fn check_origin(path: &Path) -> bool {
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let dirtests: FuturesUnordered<_> = vec![
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dir_exists(path.join("_darcs")),
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dir_exists(path.join(".bzr")),
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dir_exists(path.join(".fossil-settings")),
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dir_exists(path.join(".git")),
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dir_exists(path.join(".github")),
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dir_exists(path.join(".hg")),
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]
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.into_iter()
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.collect();
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let filetests: FuturesUnordered<_> = vec![
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file_exists(path.join(".asf.yaml")),
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file_exists(path.join(".bzrignore")),
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file_exists(path.join(".codecov.yml")),
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file_exists(path.join(".ctags")),
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file_exists(path.join(".editorconfig")),
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file_exists(path.join(".gitattributes")),
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file_exists(path.join(".gitmodules")),
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file_exists(path.join(".hgignore")),
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file_exists(path.join(".hgtags")),
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file_exists(path.join(".perltidyrc")),
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file_exists(path.join(".travis.yml")),
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file_exists(path.join("appveyor.yml")),
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file_exists(path.join("build.gradle")),
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file_exists(path.join("build.properties")),
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file_exists(path.join("build.xml")),
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file_exists(path.join("Cargo.toml")),
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file_exists(path.join("cgmanifest.json")),
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file_exists(path.join("CMakeLists.txt")),
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file_exists(path.join("composer.json")),
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file_exists(path.join("COPYING")),
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file_exists(path.join("docker-compose.yml")),
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file_exists(path.join("Dockerfile")),
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file_exists(path.join("Gemfile")),
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file_exists(path.join("LICENSE.txt")),
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file_exists(path.join("LICENSE")),
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file_exists(path.join("Makefile.am")),
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file_exists(path.join("Makefile.pl")),
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file_exists(path.join("Makefile.PL")),
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file_exists(path.join("Makefile")),
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file_exists(path.join("mix.exs")),
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file_exists(path.join("moonshine-dependencies.xml")),
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file_exists(path.join("package.json")),
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file_exists(path.join("pom.xml")),
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file_exists(path.join("project.clj")),
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file_exists(path.join("README.md")),
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file_exists(path.join("README")),
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file_exists(path.join("requirements.txt")),
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file_exists(path.join("v.mod")),
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]
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.into_iter()
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.collect();
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dirtests.any(is_true).await || filetests.any(is_true).await
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}
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let mut current = path.as_ref();
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if check_origin(path.as_ref()).await {
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origins.push(current.to_owned());
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}
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while let Some(parent) = current.parent() {
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current = parent;
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if check_origin(current).await {
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origins.push(current.to_owned());
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continue;
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}
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}
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origins
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}
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/// Returns all project types detected at this given origin.
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@ -33,3 +111,36 @@ pub enum ProjectType {
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Pip,
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RubyGem,
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}
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#[inline]
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async fn exists(path: &Path) -> Option<Metadata> {
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metadata(path).await.ok()
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}
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#[inline]
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async fn file_exists(path: PathBuf) -> bool {
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let res = exists(&path)
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.await
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.map(|meta| meta.is_file())
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.unwrap_or(false);
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if res {
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trace!(?path, "file exists");
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}
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res
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}
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#[inline]
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async fn dir_exists(path: PathBuf) -> bool {
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let res = exists(&path)
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.await
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.map(|meta| meta.is_dir())
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.unwrap_or(false);
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if res {
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trace!(?path, "dir exists");
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}
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res
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}
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