Remove panicking code paths of tag indexing
Diff
src/database/indexer.rs | 162 ++++++++++++++++++++++++++++++++--------------
src/database/schema/tag.rs | 12 +--
2 files changed, 119 insertions(+), 55 deletions(-)
@@ -6,11 +6,13 @@ use std::{
path::{Path, PathBuf},
};
use anyhow::Context;
use git2::{ErrorCode, Reference, Sort};
use ini::Ini;
use time::OffsetDateTime;
use tracing::{error, info, info_span, instrument, warn};
use super::schema::tag::TagTree;
use crate::database::schema::{
commit::Commit,
repository::{Repository, RepositoryId},
@@ -42,11 +44,21 @@ fn update_repository_metadata(scan_path: &Path, db: &sled::Db) {
discover_repositories(scan_path, &mut discovered);
for repository in discovered {
let relative = get_relative_path(scan_path, &repository);
let Some(relative) = get_relative_path(scan_path, &repository) else {
continue;
};
let id = match Repository::open(db, relative) {
Ok(v) => v.map_or_else(|| RepositoryId::new(db), |v| v.get().id),
Err(error) => {
error!(%error, "Failed to open repository index {}, please consider nuking database", relative.display());
continue;
}
};
let id = Repository::open(db, relative)
.unwrap()
.map_or_else(|| RepositoryId::new(db), |v| v.get().id);
let Some(name) = relative.file_name().map(OsStr::to_string_lossy) else {
continue;
};
@@ -105,15 +117,29 @@ fn find_last_committed_time(repo: &git2::Repository) -> Result<OffsetDateTime, g
#[instrument(skip(db))]
fn update_repository_reflog(scan_path: &Path, db: &sled::Db) {
for (relative_path, db_repository) in Repository::fetch_all(db).unwrap() {
let repos = match Repository::fetch_all(db) {
Ok(v) => v,
Err(error) => {
error!(%error, "Failed to read repository index to update reflog, consider deleting database directory");
return;
}
};
for (relative_path, db_repository) in repos {
let Some(git_repository) = open_repo(scan_path, &relative_path, db_repository.get(), db)
else {
continue;
};
for reference in git_repository.references().unwrap() {
let reference = reference.unwrap();
let references = match git_repository.references() {
Ok(v) => v,
Err(error) => {
error!(%error, "Failed to read references for {relative_path}");
continue;
}
};
for reference in references.filter_map(Result::ok) {
let reference_name = String::from_utf8_lossy(reference.name_bytes());
if !reference_name.starts_with("refs/heads/")
&& !reference_name.starts_with("refs/tags/")
@@ -183,56 +209,86 @@ fn branch_index_update(
#[instrument(skip(db))]
fn update_repository_tags(scan_path: &Path, db: &sled::Db) {
for (relative_path, db_repository) in Repository::fetch_all(db).unwrap() {
let repos = match Repository::fetch_all(db) {
Ok(v) => v,
Err(error) => {
error!(%error, "Failed to read repository index to update tags, consider deleting database directory");
return;
}
};
for (relative_path, db_repository) in repos {
let Some(git_repository) = open_repo(scan_path, &relative_path, db_repository.get(), db)
else {
continue;
};
let tag_tree = db_repository.get().tag_tree(db).unwrap();
if let Err(error) = tag_index_scan(&relative_path, db_repository.get(), db, &git_repository)
{
error!(%error, "Failed to update tags for {relative_path}");
}
}
}
#[instrument(skip(db_repository, db, git_repository))]
fn tag_index_scan(
relative_path: &str,
db_repository: &Repository<'_>,
db: &sled::Db,
git_repository: &git2::Repository,
) -> Result<(), anyhow::Error> {
let tag_tree = db_repository
.tag_tree(db)
.context("Failed to read tag index tree")?;
let git_tags: HashSet<_> = git_repository
.references()
.context("Failed to scan indexes on git repository")?
.filter_map(Result::ok)
.filter(|v| v.name_bytes().starts_with(b"refs/tags/"))
.map(|v| String::from_utf8_lossy(v.name_bytes()).into_owned())
.collect();
let indexed_tags: HashSet<String> = tag_tree.list().into_iter().collect();
for tag_name in git_tags.difference(&indexed_tags) {
tag_index_update(tag_name, git_repository, &tag_tree)?;
}
let git_tags: HashSet<_> = git_repository
.references()
.unwrap()
.filter_map(Result::ok)
.filter(|v| v.name_bytes().starts_with(b"refs/tags/"))
.map(|v| String::from_utf8_lossy(v.name_bytes()).into_owned())
.collect();
let indexed_tags: HashSet<String> = tag_tree.list().into_iter().collect();
for tag_name in indexed_tags.difference(&git_tags) {
tag_index_delete(tag_name, &tag_tree)?;
}
for tag_name in git_tags.difference(&indexed_tags) {
let span = info_span!(
"tag_index_update",
reference = tag_name,
repository = relative_path
);
let _entered = span.enter();
Ok(())
}
let reference = git_repository.find_reference(tag_name).unwrap();
#[instrument(skip(git_repository, tag_tree))]
fn tag_index_update(
tag_name: &str,
git_repository: &git2::Repository,
tag_tree: &TagTree,
) -> Result<(), anyhow::Error> {
let reference = git_repository
.find_reference(tag_name)
.context("Failed to read newly discovered tag")?;
if let Ok(tag) = reference.peel_to_tag() {
info!("Inserting newly discovered tag to index");
if let Ok(tag) = reference.peel_to_tag() {
info!("Inserting newly discovered tag to index");
Tag::new(tag.tagger().as_ref()).insert(&tag_tree, tag_name);
}
}
Tag::new(tag.tagger().as_ref()).insert(tag_tree, tag_name)?;
}
for tag_name in indexed_tags.difference(&git_tags) {
let span = info_span!(
"tag_index_update",
reference = tag_name,
repository = relative_path
);
let _entered = span.enter();
Ok(())
}
info!("Removing stale tag from index");
#[instrument(skip(tag_tree))]
fn tag_index_delete(tag_name: &str, tag_tree: &TagTree) -> Result<(), anyhow::Error> {
info!("Removing stale tag from index");
tag_tree.remove(tag_name)?;
tag_tree.remove(tag_name);
}
}
Ok(())
}
#[instrument(skip(scan_path, db_repository, db))]
@@ -260,14 +316,22 @@ fn open_repo<P: AsRef<Path> + Debug>(
}
}
fn get_relative_path<'a>(relative_to: &Path, full_path: &'a Path) -> &'a Path {
full_path.strip_prefix(relative_to).unwrap()
fn get_relative_path<'a>(relative_to: &Path, full_path: &'a Path) -> Option<&'a Path> {
full_path.strip_prefix(relative_to).ok()
}
fn discover_repositories(current: &Path, discovered_repos: &mut Vec<PathBuf>) {
let dirs = std::fs::read_dir(current)
.unwrap()
.map(|v| v.unwrap().path())
let current = match std::fs::read_dir(current) {
Ok(v) => v,
Err(error) => {
error!(%error, "Failed to enter repository directory {}", current.display());
return;
}
};
let dirs = current
.filter_map(Result::ok)
.map(|v| v.path())
.filter(|path| path.is_dir());
for dir in dirs {
@@ -20,10 +20,10 @@ impl<'a> Tag<'a> {
}
}
pub fn insert(&self, batch: &TagTree, name: &str) {
batch
.insert(name.as_bytes(), bincode::serialize(self).unwrap())
.unwrap();
pub fn insert(&self, batch: &TagTree, name: &str) -> Result<(), anyhow::Error> {
batch.insert(name.as_bytes(), bincode::serialize(self)?)?;
Ok(())
}
}
@@ -44,8 +44,8 @@ impl TagTree {
Self(tree)
}
pub fn remove(&self, name: &str) -> bool {
self.0.remove(name).unwrap().is_some()
pub fn remove(&self, name: &str) -> Result<bool, sled::Error> {
self.0.remove(name).map(|v| v.is_some())
}
pub fn list(&self) -> HashSet<String> {