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use std::path::Path;
use std::path::PathBuf;
use std::ffi::OsStr;
use anyhow::anyhow;
use anyhow::Error;
use anyhow::Result;
use anyhow::Context;
use resiter::AndThen;
use resiter::Map;
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct StoreRoot(PathBuf);
impl StoreRoot {
pub fn new(root: PathBuf) -> Result<Self> {
if root.is_absolute() {
if root.is_dir() {
Ok(StoreRoot(root))
} else {
Err(anyhow!("StoreRoot path does not point to directory: {}", root.display()))
}
} else {
Err(anyhow!("StoreRoot path is not absolute: {}", root.display()))
}
}
pub fn join<'a>(&'a self, ap: &'a ArtifactPath) -> FullArtifactPath<'a> {
FullArtifactPath(&self, ap)
}
pub fn is_file(&self, subpath: &Path) -> bool {
self.0.join(subpath).is_file()
}
pub fn is_dir(&self, subpath: &Path) -> bool {
self.0.join(subpath).is_dir()
}
pub fn display(&self) -> std::path::Display {
self.0.display()
}
pub fn find_artifacts_recursive(&self) -> impl Iterator<Item = Result<ArtifactPath>> {
walkdir::WalkDir::new(&self.0)
.follow_links(false)
.into_iter()
.filter_entry(|e| e.file_type().is_file())
.map_err(Error::from)
.map_ok(|de| de.into_path())
.and_then_ok(ArtifactPath::new)
}
pub (in crate::filestore) fn unpack_archive_here<R>(&self, mut ar: tar::Archive<R>) -> Result<()>
where R: std::io::Read
{
ar.unpack(&self.0)
.map_err(Error::from)
.map(|_| ())
}
}
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub struct ArtifactPath(PathBuf);
impl ArtifactPath {
pub (in crate::filestore) fn new(p: PathBuf) -> Result<Self> {
if p.is_relative() {
Ok(ArtifactPath(p))
} else {
Err(anyhow!("Path is not relative: {}", p.display()))
}
}
pub fn display(&self) -> std::path::Display {
self.0.display()
}
pub fn file_name(&self) -> Option<&OsStr> {
self.0.file_name()
}
pub fn to_str(&self) -> Option<&str> {
self.0.to_str()
}
pub (in crate::filestore) fn file_stem(&self) -> Option<&OsStr> {
self.0.file_stem()
}
}
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct FullArtifactPath<'a>(&'a StoreRoot, &'a ArtifactPath);
impl<'a> FullArtifactPath<'a> {
fn joined(&self) -> PathBuf {
self.0.0.join(&self.1.0)
}
pub (in crate::filestore) fn is_file(&self) -> bool {
self.joined().is_file()
}
pub (in crate::filestore) fn is_dir(&self) -> bool {
self.joined().is_dir()
}
pub fn display(&self) -> FullArtifactPathDisplay<'a> {
FullArtifactPathDisplay(self.0, self.1)
}
pub async fn read(self) -> Result<Vec<u8>> {
tokio::fs::read(self.joined())
.await
.map(Vec::from)
.with_context(|| anyhow!("Reading artifact from path {}", self.0.display()))
.map_err(Error::from)
}
}
pub struct FullArtifactPathDisplay<'a>(&'a StoreRoot, &'a ArtifactPath);
impl<'a> std::fmt::Display for FullArtifactPathDisplay<'a> {
fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(fmt, "{}/{}", self.0.display(), self.1.display())
}
}
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