reintroduce anyhow

meilisearch-http/Cargo.toml

@@ -27,7 +27,7 @@ actix-http = { version = "=3.0.0-beta.6" }
 actix-service = "2.0.0"
 actix-web = { version = "=4.0.0-beta.6", features = ["rustls"] }
 actix-web-static-files = { git = "https://github.com/MarinPostma/actix-web-static-files.git", rev = "6db8c3e", optional = true }
-#anyhow = "1.0.36"
+anyhow = "1.0.36"
 async-stream = "0.3.0"
 async-trait = "0.1.42"
 arc-swap = "1.2.0"

meilisearch-http/src/data/mod.rs

@@ -5,8 +5,7 @@ use sha2::Digest;
 
 use crate::index::{Checked, Settings};
 use crate::index_controller::{
-    DumpInfo, IndexController, IndexMetadata, IndexSettings, IndexStats, Stats,
-    error::Result
+    error::Result, DumpInfo, IndexController, IndexMetadata, IndexSettings, IndexStats, Stats,
 };
 use crate::option::Opt;
 
@@ -57,7 +56,7 @@ impl ApiKeys {
 }
 
 impl Data {
-    pub fn new(options: Opt) -> std::result::Result<Data, Box<dyn std::error::Error>> {
+    pub fn new(options: Opt) -> anyhow::Result<Data> {
         let path = options.db_path.clone();
 
         let index_controller = IndexController::new(&path, &options)?;

meilisearch-http/src/data/search.rs

@@ -5,11 +5,7 @@ use crate::index::{SearchQuery, SearchResult};
 use crate::index_controller::error::Result;
 
 impl Data {
-    pub async fn search(
-        &self,
-        index: String,
-        search_query: SearchQuery,
-    ) -> Result<SearchResult> {
+    pub async fn search(&self, index: String, search_query: SearchQuery) -> Result<SearchResult> {
         self.index_controller.search(index, search_query).await
     }
 

meilisearch-http/src/data/updates.rs

@@ -3,7 +3,7 @@ use milli::update::{IndexDocumentsMethod, UpdateFormat};
 
 use super::Data;
 use crate::index::{Checked, Settings};
-use crate::index_controller::{IndexMetadata, IndexSettings, UpdateStatus, error::Result};
+use crate::index_controller::{error::Result, IndexMetadata, IndexSettings, UpdateStatus};
 
 impl Data {
     pub async fn add_documents(

meilisearch-http/src/error.rs

@@ -62,11 +62,7 @@ macro_rules! response_error {
     };
 }
 
-response_error!(
-    IndexControllerError,
-    AuthenticationError
-);
-
+response_error!(IndexControllerError, AuthenticationError);
 
 impl Serialize for ResponseError {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
@@ -114,7 +110,8 @@ impl<E: Error> ErrorCode for PayloadError<E> {
 }
 
 impl<E> From<PayloadError<E>> for ResponseError
-where E: Error + Sync + Send + 'static
+where
+    E: Error + Sync + Send + 'static,
 {
     fn from(other: PayloadError<E>) -> Self {
         ResponseError {
@@ -124,7 +121,8 @@ where E: Error + Sync + Send + 'static
 }
 
 pub fn payload_error_handler<E>(err: E) -> ResponseError
-where E: Error + Sync + Send + 'static
+where
+    E: Error + Sync + Send + 'static,
 {
     let error = PayloadError(err);
     error.into()

meilisearch-http/src/helpers/authentication.rs

@@ -9,7 +9,7 @@ use futures::future::{ok, Future, Ready};
 use futures::ready;
 use pin_project::pin_project;
 
-use crate::error::{ResponseError, AuthenticationError};
+use crate::error::{AuthenticationError, ResponseError};
 use crate::Data;
 
 #[derive(Clone, Copy)]
@@ -117,7 +117,8 @@ where
             AuthProj::NoHeader(req) => {
                 match req.take() {
                     Some(req) => {
-                        let response = ResponseError::from(AuthenticationError::MissingAuthorizationHeader);
+                        let response =
+                            ResponseError::from(AuthenticationError::MissingAuthorizationHeader);
                         let response = response.error_response();
                         let response = req.into_response(response);
                         Poll::Ready(Ok(response))
@@ -134,7 +135,8 @@ where
                             .get("X-Meili-API-Key")
                             .map(|h| h.to_str().map(String::from).unwrap_or_default())
                             .unwrap_or_default();
-                        let response = ResponseError::from(AuthenticationError::InvalidToken(bad_token));
+                        let response =
+                            ResponseError::from(AuthenticationError::InvalidToken(bad_token));
                         let response = response.error_response();
                         let response = req.into_response(response);
                         Poll::Ready(Ok(response))

meilisearch-http/src/helpers/compression.rs

@@ -5,7 +5,7 @@ use std::path::Path;
 use flate2::{read::GzDecoder, write::GzEncoder, Compression};
 use tar::{Archive, Builder};
 
-pub fn to_tar_gz(src: impl AsRef<Path>, dest: impl AsRef<Path>) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
+pub fn to_tar_gz(src: impl AsRef<Path>, dest: impl AsRef<Path>) -> anyhow::Result<()> {
     let mut f = File::create(dest)?;
     let gz_encoder = GzEncoder::new(&mut f, Compression::default());
     let mut tar_encoder = Builder::new(gz_encoder);
@@ -16,7 +16,7 @@ pub fn to_tar_gz(src: impl AsRef<Path>, dest: impl AsRef<Path>) -> Result<(), Bo
     Ok(())
 }
 
-pub fn from_tar_gz(src: impl AsRef<Path>, dest: impl AsRef<Path>) -> Result<(), Box<dyn std::error::Error>> {
+pub fn from_tar_gz(src: impl AsRef<Path>, dest: impl AsRef<Path>) -> anyhow::Result<()> {
     let f = File::open(&src)?;
     let gz = GzDecoder::new(f);
     let mut ar = Archive::new(gz);

meilisearch-http/src/index/dump.rs

@@ -3,6 +3,7 @@ use std::io::{BufRead, BufReader, Write};
 use std::path::Path;
 use std::sync::Arc;
 
+use anyhow::Context;
 use heed::RoTxn;
 use indexmap::IndexMap;
 use milli::update::{IndexDocumentsMethod, UpdateFormat::JsonStream};
@@ -10,8 +11,8 @@ use serde::{Deserialize, Serialize};
 
 use crate::option::IndexerOpts;
 
-use super::{update_handler::UpdateHandler, Index, Settings, Unchecked};
 use super::error::{IndexError, Result};
+use super::{update_handler::UpdateHandler, Index, Settings, Unchecked};
 
 #[derive(Serialize, Deserialize)]
 struct DumpMeta {
@@ -37,7 +38,8 @@ impl Index {
         let document_file_path = path.as_ref().join(DATA_FILE_NAME);
         let mut document_file = File::create(&document_file_path)?;
 
-        let documents = self.all_documents(txn)
+        let documents = self
+            .all_documents(txn)
             .map_err(|e| IndexError::Internal(e.into()))?;
         let fields_ids_map = self.fields_ids_map(txn)?;
 
@@ -82,13 +84,12 @@ impl Index {
         dst: impl AsRef<Path>,
         size: usize,
         indexing_options: &IndexerOpts,
-    ) -> std::result::Result<(), Box<dyn std::error::Error>> {
+    ) -> anyhow::Result<()> {
         let dir_name = src
             .as_ref()
             .file_name()
-            // TODO: remove
-            //.with_context(|| format!("invalid dump index: {}", src.as_ref().display()))?;
-            .unwrap();
+            .with_context(|| format!("invalid dump index: {}", src.as_ref().display()))?;
+
         let dst_dir_path = dst.as_ref().join("indexes").join(dir_name);
         create_dir_all(&dst_dir_path)?;
 

meilisearch-http/src/index/error.rs

@@ -27,12 +27,7 @@ macro_rules! internal_error {
     }
 }
 
-internal_error!(
-    std::io::Error,
-    heed::Error,
-    fst::Error,
-    serde_json::Error
-);
+internal_error!(std::io::Error, heed::Error, fst::Error, serde_json::Error);
 
 impl ErrorCode for IndexError {
     fn error_code(&self) -> Code {
@@ -47,7 +42,7 @@ impl ErrorCode for IndexError {
 #[derive(Debug, thiserror::Error)]
 pub enum FacetError {
     #[error("Invalid facet expression, expected {}, found: {1}", .0.join(", "))]
-    InvalidExpression(&'static [&'static str], Value)
+    InvalidExpression(&'static [&'static str], Value),
 }
 
 impl ErrorCode for FacetError {
@@ -57,4 +52,3 @@ impl ErrorCode for  FacetError {
         }
     }
 }
-

meilisearch-http/src/index/update_handler.rs

@@ -21,7 +21,7 @@ pub struct UpdateHandler {
 }
 
 impl UpdateHandler {
-    pub fn new(opt: &IndexerOpts) -> std::result::Result<Self, Box<dyn std::error::Error>> {
+    pub fn new(opt: &IndexerOpts) -> anyhow::Result<Self> {
         let thread_pool = rayon::ThreadPoolBuilder::new()
             .num_threads(opt.indexing_jobs.unwrap_or(0))
             .build()?;

meilisearch-http/src/index/updates.rs

@@ -1,4 +1,4 @@
-use std::collections::{BTreeSet, BTreeMap, HashSet};
+use std::collections::{BTreeMap, BTreeSet, HashSet};
 use std::io;
 use std::marker::PhantomData;
 use std::num::NonZeroUsize;
@@ -308,9 +308,8 @@ impl Index {
             }
         }
 
-        builder.execute(|indexing_step, update_id| {
-            info!("update {}: {:?}", update_id, indexing_step)
-        })
+        builder
+            .execute(|indexing_step, update_id| info!("update {}: {:?}", update_id, indexing_step))
             .map_err(|e| IndexError::Internal(e.into()))?;
 
         Ok(UpdateResult::Other)
@@ -333,7 +332,8 @@ impl Index {
         update_builder: UpdateBuilder,
     ) -> Result<UpdateResult> {
         let mut txn = self.write_txn()?;
-        let mut builder = update_builder.delete_documents(&mut txn, self)
+        let mut builder = update_builder
+            .delete_documents(&mut txn, self)
             .map_err(|e| IndexError::Internal(e.into()))?;
 
         // We ignore unexisting document ids

meilisearch-http/src/index_controller/dump_actor/actor.rs

@@ -10,9 +10,9 @@ use tokio::sync::{mpsc, oneshot, RwLock};
 use update_actor::UpdateActorHandle;
 use uuid_resolver::UuidResolverHandle;
 
+use super::error::{DumpActorError, Result};
 use super::{DumpInfo, DumpMsg, DumpStatus, DumpTask};
 use crate::index_controller::{update_actor, uuid_resolver};
-use super::error::{DumpActorError, Result};
 
 pub const CONCURRENT_DUMP_MSG: usize = 10;
 

meilisearch-http/src/index_controller/dump_actor/error.rs

@@ -1,6 +1,8 @@
 use meilisearch_error::{Code, ErrorCode};
 
-use crate::index_controller::{update_actor::error::UpdateActorError, uuid_resolver::UuidResolverError};
+use crate::index_controller::{
+    update_actor::error::UpdateActorError, uuid_resolver::UuidResolverError,
+};
 
 pub type Result<T> = std::result::Result<T, DumpActorError>;
 

meilisearch-http/src/index_controller/dump_actor/handle_impl.rs

@@ -3,8 +3,8 @@ use std::path::Path;
 use actix_web::web::Bytes;
 use tokio::sync::{mpsc, oneshot};
 
-use super::{DumpActor, DumpActorHandle, DumpInfo, DumpMsg};
 use super::error::Result;
+use super::{DumpActor, DumpActorHandle, DumpInfo, DumpMsg};
 
 #[derive(Clone)]
 pub struct DumpActorHandleImpl {
@@ -35,7 +35,7 @@ impl DumpActorHandleImpl {
         update: crate::index_controller::update_actor::UpdateActorHandleImpl<Bytes>,
         index_db_size: usize,
         update_db_size: usize,
-    ) -> std::result::Result<Self, Box<dyn std::error::Error>> {
+    ) -> anyhow::Result<Self> {
         let (sender, receiver) = mpsc::channel(10);
         let actor = DumpActor::new(
             receiver,

meilisearch-http/src/index_controller/dump_actor/loaders/v1.rs

@@ -31,7 +31,7 @@ impl MetadataV1 {
         dst: impl AsRef<Path>,
         size: usize,
         indexer_options: &IndexerOpts,
-    ) -> std::result::Result<(), Box<dyn std::error::Error>> {
+    ) -> anyhow::Result<()> {
         info!(
             "Loading dump, dump database version: {}, dump version: V1",
             self.db_version
@@ -83,7 +83,7 @@ fn load_index(
     primary_key: Option<&str>,
     size: usize,
     indexer_options: &IndexerOpts,
-) -> std::result::Result<(), Box<dyn std::error::Error>> {
+) -> anyhow::Result<()> {
     let index_path = dst.as_ref().join(&format!("indexes/index-{}", uuid));
 
     create_dir_all(&index_path)?;
@@ -172,7 +172,7 @@ impl From<Settings> for index_controller::Settings<Unchecked> {
 }
 
 /// Extract Settings from `settings.json` file present at provided `dir_path`
-fn import_settings(dir_path: impl AsRef<Path>) -> std::result::Result<Settings, Box<dyn std::error::Error>> {
+fn import_settings(dir_path: impl AsRef<Path>) -> anyhow::Result<Settings> {
     let path = dir_path.as_ref().join("settings.json");
     let file = File::open(path)?;
     let reader = std::io::BufReader::new(file);

meilisearch-http/src/index_controller/dump_actor/loaders/v2.rs

@@ -34,7 +34,7 @@ impl MetadataV2 {
         index_db_size: usize,
         update_db_size: usize,
         indexing_options: &IndexerOpts,
-    ) -> std::result::Result<(), Box<dyn std::error::Error>> {
+    ) -> anyhow::Result<()> {
         info!(
             "Loading dump from {}, dump database version: {}, dump version: V2",
             self.dump_date, self.db_version

meilisearch-http/src/index_controller/dump_actor/message.rs

@@ -1,7 +1,7 @@
 use tokio::sync::oneshot;
 
-use super::DumpInfo;
 use super::error::Result;
+use super::DumpInfo;
 
 pub enum DumpMsg {
     CreateDump {

meilisearch-http/src/index_controller/dump_actor/mod.rs

@@ -1,6 +1,7 @@
 use std::fs::File;
 use std::path::{Path, PathBuf};
 
+use anyhow::Context;
 use chrono::{DateTime, Utc};
 use log::{info, warn};
 #[cfg(test)]
@@ -21,10 +22,10 @@ use crate::{helpers::compression, option::IndexerOpts};
 use error::Result;
 
 mod actor;
+pub mod error;
 mod handle_impl;
 mod loaders;
 mod message;
-pub mod error;
 
 const META_FILE_NAME: &str = "metadata.json";
 
@@ -107,7 +108,7 @@ pub fn load_dump(
     index_db_size: usize,
     update_db_size: usize,
     indexer_opts: &IndexerOpts,
-) -> std::result::Result<(), Box<dyn std::error::Error>> {
+) -> anyhow::Result<()> {
     let tmp_src = tempfile::tempdir_in(".")?;
     let tmp_src_path = tmp_src.path();
 
@@ -120,9 +121,7 @@ pub fn load_dump(
     let dst_dir = dst_path
         .as_ref()
         .parent()
-        // TODO
-        //.with_context(|| format!("Invalid db path: {}", dst_path.as_ref().display()))?;
-        .unwrap();
+        .with_context(|| format!("Invalid db path: {}", dst_path.as_ref().display()))?;
 
     let tmp_dst = tempfile::tempdir_in(dst_dir)?;
 
@@ -188,7 +187,7 @@ where
         let dump_path = tokio::task::spawn_blocking(move || -> Result<PathBuf> {
             let temp_dump_file = tempfile::NamedTempFile::new_in(&self.path)?;
             compression::to_tar_gz(temp_dump_path, temp_dump_file.path())
-                .map_err(|e| DumpActorError::Internal(e))?;
+                .map_err(|e| DumpActorError::Internal(e.into()))?;
 
             let dump_path = self.path.join(self.uid).with_extension("dump");
             temp_dump_file.persist(&dump_path)?;

meilisearch-http/src/index_controller/index_actor/actor.rs

@@ -19,8 +19,8 @@ use crate::index_controller::{
 };
 use crate::option::IndexerOpts;
 
+use super::error::{IndexActorError, Result};
 use super::{IndexMeta, IndexMsg, IndexSettings, IndexStore};
-use super::error::{Result, IndexActorError};
 
 pub const CONCURRENT_INDEX_MSG: usize = 10;
 
@@ -31,7 +31,7 @@ pub struct IndexActor<S> {
 }
 
 impl<S: IndexStore + Sync + Send> IndexActor<S> {
-    pub fn new(receiver: mpsc::Receiver<IndexMsg>, store: S) -> std::result::Result<Self, Box<dyn std::error::Error>> {
+    pub fn new(receiver: mpsc::Receiver<IndexMsg>, store: S) -> anyhow::Result<Self> {
         let options = IndexerOpts::default();
         let update_handler = UpdateHandler::new(&options)?;
         let update_handler = Arc::new(update_handler);
@@ -146,7 +146,6 @@ impl<S: IndexStore + Sync + Send> IndexActor<S> {
             .ok_or(IndexActorError::UnexistingIndex)?;
         let result = spawn_blocking(move || index.perform_search(query)).await??;
         Ok(result)
-
     }
 
     async fn handle_create_index(
@@ -269,7 +268,8 @@ impl<S: IndexStore + Sync + Send> IndexActor<S> {
                 }
                 let mut builder = UpdateBuilder::new(0).settings(&mut txn, &index);
                 builder.set_primary_key(primary_key);
-                builder.execute(|_, _| ())
+                builder
+                    .execute(|_, _| ())
                     .map_err(|e| IndexActorError::Internal(Box::new(e)))?;
                 let meta = IndexMeta::new_txn(&index, &txn)?;
                 txn.commit()?;
@@ -340,10 +340,12 @@ impl<S: IndexStore + Sync + Send> IndexActor<S> {
 
             Ok(IndexStats {
                 size: index.size(),
-                number_of_documents: index.number_of_documents(&rtxn)
+                number_of_documents: index
+                    .number_of_documents(&rtxn)
                     .map_err(|e| IndexActorError::Internal(Box::new(e)))?,
                 is_indexing: None,
-                fields_distribution: index.fields_distribution(&rtxn)
+                fields_distribution: index
+                    .fields_distribution(&rtxn)
                     .map_err(|e| IndexActorError::Internal(e.into()))?,
             })
         })

meilisearch-http/src/index_controller/index_actor/error.rs

@@ -30,11 +30,7 @@ macro_rules! internal_error {
     }
 }
 
-internal_error!(
-    heed::Error,
-    tokio::task::JoinError,
-    std::io::Error
-);
+internal_error!(heed::Error, tokio::task::JoinError, std::io::Error);
 
 impl ErrorCode for IndexActorError {
     fn error_code(&self) -> Code {

meilisearch-http/src/index_controller/index_actor/handle_impl.rs

@@ -12,8 +12,8 @@ use crate::{
     index_controller::{Failed, Processed},
 };
 
-use super::{IndexActor, IndexActorHandle, IndexMeta, IndexMsg, MapIndexStore};
 use super::error::Result;
+use super::{IndexActor, IndexActorHandle, IndexMeta, IndexMsg, MapIndexStore};
 
 #[derive(Clone)]
 pub struct IndexActorHandleImpl {
@@ -22,11 +22,7 @@ pub struct IndexActorHandleImpl {
 
 #[async_trait::async_trait]
 impl IndexActorHandle for IndexActorHandleImpl {
-    async fn create_index(
-        &self,
-        uuid: Uuid,
-        primary_key: Option<String>,
-    ) -> Result<IndexMeta> {
+    async fn create_index(&self, uuid: Uuid, primary_key: Option<String>) -> Result<IndexMeta> {
         let (ret, receiver) = oneshot::channel();
         let msg = IndexMsg::CreateIndex {
             ret,
@@ -118,11 +114,7 @@ impl IndexActorHandle for IndexActorHandleImpl {
         Ok(receiver.await.expect("IndexActor has been killed")?)
     }
 
-    async fn update_index(
-        &self,
-        uuid: Uuid,
-        index_settings: IndexSettings,
-    ) -> Result<IndexMeta> {
+    async fn update_index(&self, uuid: Uuid, index_settings: IndexSettings) -> Result<IndexMeta> {
         let (ret, receiver) = oneshot::channel();
         let msg = IndexMsg::UpdateIndex {
             uuid,
@@ -156,7 +148,7 @@ impl IndexActorHandle for IndexActorHandleImpl {
 }
 
 impl IndexActorHandleImpl {
-    pub fn new(path: impl AsRef<Path>, index_size: usize) -> std::result::Result<Self, Box<dyn std::error::Error>> {
+    pub fn new(path: impl AsRef<Path>, index_size: usize) -> anyhow::Result<Self> {
         let (sender, receiver) = mpsc::channel(100);
 
         let store = MapIndexStore::new(path, index_size);

meilisearch-http/src/index_controller/index_actor/message.rs

@@ -3,9 +3,9 @@ use std::path::PathBuf;
 use tokio::sync::oneshot;
 use uuid::Uuid;
 
+use super::error::Result as IndexResult;
 use crate::index::{Checked, Document, SearchQuery, SearchResult, Settings};
 use crate::index_controller::{Failed, IndexStats, Processed, Processing};
-use super::error::Result as IndexResult;
 
 use super::{IndexMeta, IndexSettings};
 

meilisearch-http/src/index_controller/index_actor/mod.rs

@@ -22,10 +22,10 @@ use self::error::IndexActorError;
 use super::IndexSettings;
 
 mod actor;
+pub mod error;
 mod handle_impl;
 mod message;
 mod store;
-pub mod error;
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[serde(rename_all = "camelCase")]
@@ -60,8 +60,7 @@ impl IndexMeta {
 #[async_trait::async_trait]
 #[cfg_attr(test, automock)]
 pub trait IndexActorHandle {
-    async fn create_index(&self, uuid: Uuid, primary_key: Option<String>)
-        -> Result<IndexMeta>;
+    async fn create_index(&self, uuid: Uuid, primary_key: Option<String>) -> Result<IndexMeta>;
     async fn update(
         &self,
         uuid: Uuid,
@@ -86,11 +85,7 @@ pub trait IndexActorHandle {
     ) -> Result<Document>;
     async fn delete(&self, uuid: Uuid) -> Result<()>;
     async fn get_index_meta(&self, uuid: Uuid) -> Result<IndexMeta>;
-    async fn update_index(
-        &self,
-        uuid: Uuid,
-        index_settings: IndexSettings,
-    ) -> Result<IndexMeta>;
+    async fn update_index(&self, uuid: Uuid, index_settings: IndexSettings) -> Result<IndexMeta>;
     async fn snapshot(&self, uuid: Uuid, path: PathBuf) -> Result<()>;
     async fn dump(&self, uuid: Uuid, path: PathBuf) -> Result<()>;
     async fn get_index_stats(&self, uuid: Uuid) -> Result<IndexStats>;
@@ -105,11 +100,7 @@ mod test {
     #[async_trait::async_trait]
     /// Useful for passing around an `Arc<MockIndexActorHandle>` in tests.
     impl IndexActorHandle for Arc<MockIndexActorHandle> {
-        async fn create_index(
-            &self,
-            uuid: Uuid,
-            primary_key: Option<String>,
-        ) -> Result<IndexMeta> {
+        async fn create_index(&self, uuid: Uuid, primary_key: Option<String>) -> Result<IndexMeta> {
             self.as_ref().create_index(uuid, primary_key).await
         }
 

meilisearch-http/src/index_controller/mod.rs

@@ -29,12 +29,12 @@ use self::dump_actor::load_dump;
 use self::error::IndexControllerError;
 
 mod dump_actor;
+pub mod error;
 mod index_actor;
 mod snapshot;
 mod update_actor;
 mod updates;
 mod uuid_resolver;
-pub mod error;
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[serde(rename_all = "camelCase")]
@@ -83,7 +83,7 @@ pub struct Stats {
 }
 
 impl IndexController {
-        pub fn new(path: impl AsRef<Path>, options: &Opt) -> std::result::Result<Self, Box<dyn std::error::Error>> {
+    pub fn new(path: impl AsRef<Path>, options: &Opt) -> anyhow::Result<Self> {
         let index_size = options.max_mdb_size.get_bytes() as usize;
         let update_store_size = options.max_udb_size.get_bytes() as usize;
 
@@ -238,10 +238,7 @@ impl IndexController {
         }
     }
 
-    pub async fn create_index(
-        &self,
-        index_settings: IndexSettings,
-    ) -> Result<IndexMetadata> {
+    pub async fn create_index(&self, index_settings: IndexSettings) -> Result<IndexMetadata> {
         let IndexSettings { uid, primary_key } = index_settings;
         let uid = uid.ok_or(IndexControllerError::MissingUid)?;
         let uuid = Uuid::new_v4();

meilisearch-http/src/index_controller/snapshot.rs

@@ -52,7 +52,7 @@ where
         }
     }
 
-    async fn perform_snapshot(&self) -> std::result::Result<(), Box<dyn std::error::Error + Sync + Send + 'static>> {
+    async fn perform_snapshot(&self) -> anyhow::Result<()> {
         info!("Performing snapshot.");
 
         let snapshot_dir = self.snapshot_path.clone();
@@ -77,7 +77,7 @@ where
         let snapshot_path = self
             .snapshot_path
             .join(format!("{}.snapshot", self.db_name));
-        let snapshot_path = spawn_blocking(move || -> Result<PathBuf, Box<dyn std::error::Error + Sync + Send + 'static>> {
+        let snapshot_path = spawn_blocking(move || -> anyhow::Result<PathBuf> {
             let temp_snapshot_file = tempfile::NamedTempFile::new_in(snapshot_dir)?;
             let temp_snapshot_file_path = temp_snapshot_file.path().to_owned();
             compression::to_tar_gz(temp_snapshot_path, temp_snapshot_file_path)?;
@@ -97,7 +97,7 @@ pub fn load_snapshot(
     snapshot_path: impl AsRef<Path>,
     ignore_snapshot_if_db_exists: bool,
     ignore_missing_snapshot: bool,
-) -> std::result::Result<(), Box<dyn std::error::Error>> {
+) -> anyhow::Result<()> {
     if !db_path.as_ref().exists() && snapshot_path.as_ref().exists() {
         match compression::from_tar_gz(snapshot_path, &db_path) {
             Ok(()) => Ok(()),

meilisearch-http/src/index_controller/update_actor/actor.rs

@@ -13,8 +13,8 @@ use tokio::io::AsyncWriteExt;
 use tokio::sync::mpsc;
 use uuid::Uuid;
 
-use super::{PayloadData, UpdateMsg, UpdateStore, UpdateStoreInfo};
 use super::error::{Result, UpdateActorError};
+use super::{PayloadData, UpdateMsg, UpdateStore, UpdateStoreInfo};
 use crate::index_controller::index_actor::IndexActorHandle;
 use crate::index_controller::{UpdateMeta, UpdateStatus};
 
@@ -36,7 +36,7 @@ where
         inbox: mpsc::Receiver<UpdateMsg<D>>,
         path: impl AsRef<Path>,
         index_handle: I,
-    ) -> std::result::Result<Self, Box<dyn std::error::Error>> {
+    ) -> anyhow::Result<Self> {
         let path = path.as_ref().join("updates");
 
         std::fs::create_dir_all(&path)?;

meilisearch-http/src/index_controller/update_actor/error.rs

@@ -45,6 +45,7 @@ impl From<tokio::sync::oneshot::error::RecvError> for UpdateActorError {
 }
 
 internal_error!(
+    UpdateActorError:
     heed::Error,
     std::io::Error,
     serde_json::Error,

meilisearch-http/src/index_controller/update_actor/handle_impl.rs

@@ -22,7 +22,7 @@ where
         index_handle: I,
         path: impl AsRef<Path>,
         update_store_size: usize,
-    ) -> std::result::Result<Self, Box<dyn std::error::Error>>
+    ) -> anyhow::Result<Self>
     where
         I: IndexActorHandle + Clone + Send + Sync + 'static,
     {

meilisearch-http/src/index_controller/update_actor/message.rs

@@ -4,8 +4,8 @@ use std::path::PathBuf;
 use tokio::sync::{mpsc, oneshot};
 use uuid::Uuid;
 
-use super::{PayloadData, UpdateMeta, UpdateStatus, UpdateStoreInfo};
 use super::error::Result;
+use super::{PayloadData, UpdateMeta, UpdateStatus, UpdateStoreInfo};
 
 pub enum UpdateMsg<D> {
     Update {

meilisearch-http/src/index_controller/update_actor/mod.rs

@@ -7,16 +7,16 @@ use uuid::Uuid;
 use crate::index_controller::{UpdateMeta, UpdateStatus};
 
 use actor::UpdateActor;
-use message::UpdateMsg;
 use error::Result;
+use message::UpdateMsg;
 
 pub use handle_impl::UpdateActorHandleImpl;
 pub use store::{UpdateStore, UpdateStoreInfo};
 
 mod actor;
+pub mod error;
 mod handle_impl;
 mod message;
-pub mod error;
 pub mod store;
 
 type PayloadData<D> = std::result::Result<D, PayloadError>;

meilisearch-http/src/index_controller/update_actor/store/dump.rs

@@ -9,7 +9,7 @@ use heed::{EnvOpenOptions, RoTxn};
 use serde::{Deserialize, Serialize};
 use uuid::Uuid;
 
-use super::{State, UpdateStore, Result};
+use super::{Result, State, UpdateStore};
 use crate::index_controller::{
     index_actor::IndexActorHandle, update_actor::store::update_uuid_to_file_path, Enqueued,
     UpdateStatus,
@@ -125,7 +125,7 @@ impl UpdateStore {
         src: impl AsRef<Path>,
         dst: impl AsRef<Path>,
         db_size: usize,
-    ) -> std::result::Result<(), Box<dyn std::error::Error>> {
+    ) -> anyhow::Result<()> {
         let dst_update_path = dst.as_ref().join("updates/");
         create_dir_all(&dst_update_path)?;
 

meilisearch-http/src/index_controller/update_actor/store/mod.rs

@@ -23,10 +23,10 @@ use uuid::Uuid;
 
 use codec::*;
 
-use super::UpdateMeta;
 use super::error::Result;
-use crate::index_controller::{index_actor::CONCURRENT_INDEX_MSG, updates::*, IndexActorHandle};
+use super::UpdateMeta;
 use crate::helpers::EnvSizer;
+use crate::index_controller::{index_actor::CONCURRENT_INDEX_MSG, updates::*, IndexActorHandle};
 
 #[allow(clippy::upper_case_acronyms)]
 type BEU64 = U64<heed::byteorder::BE>;
@@ -110,7 +110,7 @@ impl UpdateStore {
     fn new(
         mut options: EnvOpenOptions,
         path: impl AsRef<Path>,
-    ) -> std::result::Result<(Self, mpsc::Receiver<()>), Box<dyn std::error::Error>> {
+    ) -> anyhow::Result<(Self, mpsc::Receiver<()>)> {
         options.max_dbs(5);
 
         let env = options.open(&path)?;
@@ -141,7 +141,7 @@ impl UpdateStore {
         path: impl AsRef<Path>,
         index_handle: impl IndexActorHandle + Clone + Sync + Send + 'static,
         must_exit: Arc<AtomicBool>,
-    ) -> std::result::Result<Arc<Self>, Box<dyn std::error::Error>> {
+    ) -> anyhow::Result<Arc<Self>> {
         let (update_store, mut notification_receiver) = Self::new(options, path)?;
         let update_store = Arc::new(update_store);
 
@@ -270,11 +270,8 @@ impl UpdateStore {
             }
             _ => {
                 let _update_id = self.next_update_id_raw(wtxn, index_uuid)?;
-                self.updates.put(
-                    wtxn,
-                    &(index_uuid, update.id()),
-                    &update,
-                )?;
+                self.updates
+                    .put(wtxn, &(index_uuid, update.id()), &update)?;
             }
         }
         Ok(())
@@ -283,10 +280,7 @@ impl UpdateStore {
     /// Executes the user provided function on the next pending update (the one with the lowest id).
     /// This is asynchronous as it let the user process the update with a read-only txn and
     /// only writing the result meta to the processed-meta store *after* it has been processed.
-    fn process_pending_update(
-        &self,
-        index_handle: impl IndexActorHandle,
-    ) -> Result<Option<()>> {
+    fn process_pending_update(&self, index_handle: impl IndexActorHandle) -> Result<Option<()>> {
         // Create a read transaction to be able to retrieve the pending update in order.
         let rtxn = self.env.read_txn()?;
         let first_meta = self.pending_queue.first(&rtxn)?;
@@ -353,11 +347,8 @@ impl UpdateStore {
             Err(res) => res.into(),
         };
 
-        self.updates.put(
-            &mut wtxn,
-            &(index_uuid, update_id),
-            &result,
-        )?;
+        self.updates
+            .put(&mut wtxn, &(index_uuid, update_id), &result)?;
 
         wtxn.commit()?;
 
@@ -704,18 +695,10 @@ mod test {
         let txn = store.env.read_txn().unwrap();
 
         assert!(store.pending_queue.first(&txn).unwrap().is_none());
-        let update = store
-            .updates
-            .get(&txn, &(uuid, 0))
-            .unwrap()
-            .unwrap();
+        let update = store.updates.get(&txn, &(uuid, 0)).unwrap().unwrap();
 
         assert!(matches!(update, UpdateStatus::Processed(_)));
-        let update = store
-            .updates
-            .get(&txn, &(uuid, 1))
-            .unwrap()
-            .unwrap();
+        let update = store.updates.get(&txn, &(uuid, 1)).unwrap().unwrap();
 
         assert!(matches!(update, UpdateStatus::Failed(_)));
     }

meilisearch-http/src/index_controller/updates.rs

@@ -25,7 +25,7 @@ pub enum UpdateMeta {
     },
     ClearDocuments,
     DeleteDocuments {
-        ids: Vec<String>
+        ids: Vec<String>,
     },
     Settings(Settings<Unchecked>),
 }

meilisearch-http/src/main.rs

@@ -30,6 +30,7 @@ async fn main() -> Result<(), MainError> {
                         .into(),
                 );
             }
+
             #[cfg(all(not(debug_assertions), feature = "analytics"))]
             if !opt.no_analytics {
                 let logger =

meilisearch-http/src/routes/mod.rs

@@ -24,17 +24,19 @@ pub enum UpdateType {
     Customs,
     DocumentsAddition {
         #[serde(skip_serializing_if = "Option::is_none")]
-        number: Option<usize>
+        number: Option<usize>,
     },
     DocumentsPartial {
         #[serde(skip_serializing_if = "Option::is_none")]
-        number: Option<usize>
+        number: Option<usize>,
     },
     DocumentsDeletion {
         #[serde(skip_serializing_if = "Option::is_none")]
-        number: Option<usize>
+        number: Option<usize>,
+    },
+    Settings {
+        settings: Settings<Unchecked>,
     },
-    Settings { settings: Settings<Unchecked> },
 }
 
 impl From<&UpdateStatus> for UpdateType {
@@ -60,9 +62,9 @@ impl From<&UpdateStatus> for UpdateType {
                 }
             }
             UpdateMeta::ClearDocuments => UpdateType::ClearAll,
-            UpdateMeta::DeleteDocuments { ids } => {
-                UpdateType::DocumentsDeletion { number: Some(ids.len()) }
-            }
+            UpdateMeta::DeleteDocuments { ids } => UpdateType::DocumentsDeletion {
+                number: Some(ids.len()),
+            },
             UpdateMeta::Settings(settings) => UpdateType::Settings {
                 settings: settings.clone(),
             },

meilisearch-http/tests/index/get_index.rs

@@ -21,7 +21,7 @@ async fn create_and_get_index() {
     assert_eq!(response.as_object().unwrap().len(), 5);
 }
 
-// TODO: partial test since we are testing error, amd error is not yet fully implemented in
+// TODO: partial test since we are testing error, and error is not yet fully implemented in
 // transplant
 #[actix_rt::test]
 async fn get_unexisting_index() {