|
|
// list_tracked_files.rs
|
|
|
//
|
|
|
// Copyright 2020 Antoine Cezar <antoine.cezar@octobus.net>
|
|
|
//
|
|
|
// This software may be used and distributed according to the terms of the
|
|
|
// GNU General Public License version 2 or any later version.
|
|
|
|
|
|
use crate::dirstate::parsers::parse_dirstate;
|
|
|
use crate::revlog::changelog::Changelog;
|
|
|
use crate::revlog::manifest::{Manifest, ManifestEntry};
|
|
|
use crate::revlog::revlog::RevlogError;
|
|
|
use crate::revlog::Revision;
|
|
|
use crate::utils::hg_path::HgPath;
|
|
|
use crate::{DirstateParseError, EntryState};
|
|
|
use rayon::prelude::*;
|
|
|
use std::convert::From;
|
|
|
use std::fs;
|
|
|
use std::path::PathBuf;
|
|
|
|
|
|
/// Kind of error encountered by `ListDirstateTrackedFiles`
|
|
|
#[derive(Debug)]
|
|
|
pub enum ListDirstateTrackedFilesErrorKind {
|
|
|
/// Error when reading the `dirstate` file
|
|
|
IoError(std::io::Error),
|
|
|
/// Error when parsing the `dirstate` file
|
|
|
ParseError(DirstateParseError),
|
|
|
}
|
|
|
|
|
|
/// A `ListDirstateTrackedFiles` error
|
|
|
#[derive(Debug)]
|
|
|
pub struct ListDirstateTrackedFilesError {
|
|
|
/// Kind of error encountered by `ListDirstateTrackedFiles`
|
|
|
pub kind: ListDirstateTrackedFilesErrorKind,
|
|
|
}
|
|
|
|
|
|
impl From<ListDirstateTrackedFilesErrorKind>
|
|
|
for ListDirstateTrackedFilesError
|
|
|
{
|
|
|
fn from(kind: ListDirstateTrackedFilesErrorKind) -> Self {
|
|
|
ListDirstateTrackedFilesError { kind }
|
|
|
}
|
|
|
}
|
|
|
|
|
|
impl From<std::io::Error> for ListDirstateTrackedFilesError {
|
|
|
fn from(err: std::io::Error) -> Self {
|
|
|
let kind = ListDirstateTrackedFilesErrorKind::IoError(err);
|
|
|
ListDirstateTrackedFilesError { kind }
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// List files under Mercurial control in the working directory
|
|
|
/// by reading the dirstate
|
|
|
pub struct ListDirstateTrackedFiles {
|
|
|
/// The `dirstate` content.
|
|
|
content: Vec<u8>,
|
|
|
}
|
|
|
|
|
|
impl ListDirstateTrackedFiles {
|
|
|
pub fn new(root: &PathBuf) -> Result<Self, ListDirstateTrackedFilesError> {
|
|
|
let dirstate = root.join(".hg/dirstate");
|
|
|
let content = fs::read(&dirstate)?;
|
|
|
Ok(Self { content })
|
|
|
}
|
|
|
|
|
|
pub fn run(
|
|
|
&mut self,
|
|
|
) -> Result<Vec<&HgPath>, ListDirstateTrackedFilesError> {
|
|
|
let (_, entries, _) = parse_dirstate(&self.content)
|
|
|
.map_err(ListDirstateTrackedFilesErrorKind::ParseError)?;
|
|
|
let mut files: Vec<&HgPath> = entries
|
|
|
.into_iter()
|
|
|
.filter_map(|(path, entry)| match entry.state {
|
|
|
EntryState::Removed => None,
|
|
|
_ => Some(path),
|
|
|
})
|
|
|
.collect();
|
|
|
files.par_sort_unstable();
|
|
|
Ok(files)
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// Kind of error encountered by `ListRevTrackedFiles`
|
|
|
#[derive(Debug)]
|
|
|
pub enum ListRevTrackedFilesErrorKind {
|
|
|
/// Error when reading a `revlog` file.
|
|
|
IoError(std::io::Error),
|
|
|
/// The revision has not been found.
|
|
|
InvalidRevision,
|
|
|
/// A `revlog` file is corrupted.
|
|
|
CorruptedRevlog,
|
|
|
/// The `revlog` format version is not supported.
|
|
|
UnsuportedRevlogVersion(u16),
|
|
|
/// The `revlog` data format is not supported.
|
|
|
UnknowRevlogDataFormat(u8),
|
|
|
}
|
|
|
|
|
|
/// A `ListRevTrackedFiles` error
|
|
|
#[derive(Debug)]
|
|
|
pub struct ListRevTrackedFilesError {
|
|
|
/// Kind of error encountered by `ListRevTrackedFiles`
|
|
|
pub kind: ListRevTrackedFilesErrorKind,
|
|
|
}
|
|
|
|
|
|
impl From<ListRevTrackedFilesErrorKind> for ListRevTrackedFilesError {
|
|
|
fn from(kind: ListRevTrackedFilesErrorKind) -> Self {
|
|
|
ListRevTrackedFilesError { kind }
|
|
|
}
|
|
|
}
|
|
|
|
|
|
impl From<RevlogError> for ListRevTrackedFilesError {
|
|
|
fn from(err: RevlogError) -> Self {
|
|
|
match err {
|
|
|
RevlogError::IoError(err) => {
|
|
|
ListRevTrackedFilesErrorKind::IoError(err)
|
|
|
}
|
|
|
RevlogError::UnsuportedVersion(version) => {
|
|
|
ListRevTrackedFilesErrorKind::UnsuportedRevlogVersion(version)
|
|
|
}
|
|
|
RevlogError::InvalidRevision => {
|
|
|
ListRevTrackedFilesErrorKind::InvalidRevision
|
|
|
}
|
|
|
RevlogError::Corrupted => {
|
|
|
ListRevTrackedFilesErrorKind::CorruptedRevlog
|
|
|
}
|
|
|
RevlogError::UnknowDataFormat(format) => {
|
|
|
ListRevTrackedFilesErrorKind::UnknowRevlogDataFormat(format)
|
|
|
}
|
|
|
}
|
|
|
.into()
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// List files under Mercurial control at a given revision.
|
|
|
pub struct ListRevTrackedFiles<'a> {
|
|
|
/// The revision to list the files from.
|
|
|
rev: &'a str,
|
|
|
/// The changelog file
|
|
|
changelog: Changelog,
|
|
|
/// The manifest file
|
|
|
manifest: Manifest,
|
|
|
/// The manifest entry corresponding to the revision.
|
|
|
///
|
|
|
/// Used to hold the owner of the returned references.
|
|
|
manifest_entry: Option<ManifestEntry>,
|
|
|
}
|
|
|
|
|
|
impl<'a> ListRevTrackedFiles<'a> {
|
|
|
pub fn new(
|
|
|
root: &PathBuf,
|
|
|
rev: &'a str,
|
|
|
) -> Result<Self, ListRevTrackedFilesError> {
|
|
|
let changelog = Changelog::open(&root)?;
|
|
|
let manifest = Manifest::open(&root)?;
|
|
|
|
|
|
Ok(Self {
|
|
|
rev,
|
|
|
changelog,
|
|
|
manifest,
|
|
|
manifest_entry: None,
|
|
|
})
|
|
|
}
|
|
|
|
|
|
pub fn run(
|
|
|
&mut self,
|
|
|
) -> Result<impl Iterator<Item = &HgPath>, ListRevTrackedFilesError> {
|
|
|
let changelog_entry = match self.rev.parse::<Revision>() {
|
|
|
Ok(rev) => self.changelog.get_rev(rev)?,
|
|
|
_ => {
|
|
|
let changelog_node = hex::decode(&self.rev)
|
|
|
.or(Err(ListRevTrackedFilesErrorKind::InvalidRevision))?;
|
|
|
self.changelog.get_node(&changelog_node)?
|
|
|
}
|
|
|
};
|
|
|
let manifest_node = hex::decode(&changelog_entry.manifest_node()?)
|
|
|
.or(Err(ListRevTrackedFilesErrorKind::CorruptedRevlog))?;
|
|
|
|
|
|
self.manifest_entry = Some(self.manifest.get_node(&manifest_node)?);
|
|
|
|
|
|
if let Some(ref manifest_entry) = self.manifest_entry {
|
|
|
Ok(manifest_entry.files())
|
|
|
} else {
|
|
|
panic!(
|
|
|
"manifest entry should have been stored in self.manifest_node to ensure its lifetime since references are returned from it"
|
|
|
)
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|