src/imap/command/authenticated.rs

@@ -6,7 +6,7 @@ use anyhow::{anyhow, bail, Result};
 use imap_codec::imap_types::command::{
     Command, CommandBody, ListReturnItem, SelectExamineModifier,
 };
-use imap_codec::imap_types::core::{Atom, Literal, Vec1, QuotedChar};
+use imap_codec::imap_types::core::{Atom, Literal, QuotedChar, Vec1};
 use imap_codec::imap_types::datetime::DateTime;
 use imap_codec::imap_types::extensions::enable::CapabilityEnable;
 use imap_codec::imap_types::flag::{Flag, FlagNameAttribute};
@@ -14,12 +14,12 @@ use imap_codec::imap_types::mailbox::{ListMailbox, Mailbox as MailboxCodec};
 use imap_codec::imap_types::response::{Code, CodeOther, Data};
 use imap_codec::imap_types::status::{StatusDataItem, StatusDataItemName};
 
-use crate::imap::Body;
 use crate::imap::capability::{ClientCapability, ServerCapability};
 use crate::imap::command::{anystate, MailboxName};
 use crate::imap::flow;
 use crate::imap::mailbox_view::{MailboxView, UpdateParameters};
 use crate::imap::response::Response;
+use crate::imap::Body;
 
 use crate::mail::uidindex::*;
 use crate::mail::user::{User, MAILBOX_HIERARCHY_DELIMITER as MBX_HIER_DELIM_RAW};
@@ -560,8 +560,6 @@ impl<'a> AuthenticatedContext<'a> {
     ) -> Result<(Response<'static>, flow::Transition)> {
         let append_tag = self.req.tag.clone();
         match self.append_internal(mailbox, flags, date, message).await {
-             
-
             Ok((_mb_view, uidvalidity, uid, _modseq)) => Ok((
                 Response::build()
                     .tag(append_tag)
@@ -623,8 +621,9 @@ impl<'a> AuthenticatedContext<'a> {
         let flags = flags.iter().map(|x| x.to_string()).collect::<Vec<_>>();
         // TODO: filter allowed flags? ping @Quentin
 
-        let (uidvalidity, uid, modseq) = view.internal.mailbox.append(msg, None, &flags[..]).await?;
-        //let unsollicited = view.update(UpdateParameters::default()).await?; 
+        let (uidvalidity, uid, modseq) =
+            view.internal.mailbox.append(msg, None, &flags[..]).await?;
+        //let unsollicited = view.update(UpdateParameters::default()).await?;
 
         Ok((view, uidvalidity, uid, modseq))
     }

src/imap/command/selected.rs

@@ -3,7 +3,7 @@ use std::sync::Arc;
 
 use anyhow::Result;
 use imap_codec::imap_types::command::{Command, CommandBody, FetchModifier, StoreModifier};
-use imap_codec::imap_types::core::{Vec1, Charset};
+use imap_codec::imap_types::core::{Charset, Vec1};
 use imap_codec::imap_types::fetch::MacroOrMessageDataItemNames;
 use imap_codec::imap_types::flag::{Flag, StoreResponse, StoreType};
 use imap_codec::imap_types::mailbox::Mailbox as MailboxCodec;
@@ -59,7 +59,10 @@ pub async fn dispatch<'a>(
             charset,
             criteria,
             uid,
-        } => ctx.search(charset, &SearchKey::And(criteria.clone()), uid).await,
+        } => {
+            ctx.search(charset, &SearchKey::And(criteria.clone()), uid)
+                .await
+        }
         CommandBody::Expunge {
             // UIDPLUS (rfc4315)
             uid_sequence_set,

src/imap/flow.rs

@@ -2,8 +2,8 @@ use std::error::Error as StdError;
 use std::fmt;
 use std::sync::Arc;
 
-use tokio::sync::Notify;
 use imap_codec::imap_types::core::Tag;
+use tokio::sync::Notify;
 
 use crate::imap::mailbox_view::MailboxView;
 use crate::mail::user::User;

src/imap/mailbox_view.rs

@@ -370,7 +370,7 @@ impl MailboxView {
             .fetch()
             .zip(futures::stream::iter(mail_idx_list))
             // [3/6] Derive an IMAP-specific view from the results, apply the filters
-            .map(|(maybe_qr, midx)|  match maybe_qr {
+            .map(|(maybe_qr, midx)| match maybe_qr {
                 Ok(qr) => Ok((MailView::new(&qr, midx)?.filter(&ap)?, midx)),
                 Err(e) => Err(e),
             })
@@ -381,7 +381,10 @@ impl MailboxView {
                 // [5/6] Register the \Seen flags
                 if matches!(seen, SeenFlag::MustAdd) {
                     let seen_flag = Flag::Seen.to_string();
-                    self.internal.mailbox.add_flags(midx.uuid, &[seen_flag]).await?;
+                    self.internal
+                        .mailbox
+                        .add_flags(midx.uuid, &[seen_flag])
+                        .await?;
                 }
 
                 Ok::<_, anyhow::Error>(body)
@@ -429,13 +432,12 @@ impl MailboxView {
                         Ok(true) => Some(Ok(*midx)),
                         Ok(_) => None,
                         Err(e) => Some(Err(e)),
-                    }
+                    },
                     Err(e) => Some(Err(e)),
                 };
                 futures::future::ready(r)
             });
 
-
         // 7. Chain both streams (part resolved from index, part resolved from metadata+body)
         let main_stream = futures::stream::iter(kept_idx)
             .map(Ok)

src/imap/mod.rs

@@ -15,7 +15,7 @@ mod session;
 
 use std::net::SocketAddr;
 
-use anyhow::{anyhow, bail, Result, Context};
+use anyhow::{anyhow, bail, Context, Result};
 use futures::stream::{FuturesUnordered, StreamExt};
 
 use tokio::net::TcpListener;

src/imap/session.rs

@@ -4,8 +4,8 @@ use crate::imap::flow;
 use crate::imap::request::Request;
 use crate::imap::response::{Response, ResponseOrIdle};
 use crate::login::ArcLoginProvider;
-use anyhow::{anyhow, bail, Result, Context};
-use imap_codec::imap_types::{core::Tag, command::Command};
+use anyhow::{anyhow, bail, Context, Result};
+use imap_codec::imap_types::{command::Command, core::Tag};
 
 //-----
 pub struct Instance {
@@ -43,7 +43,11 @@ impl Instance {
             .state
             .apply(transition)
             .context("IDLE transition failed")
-            .and_then(|_| self.state.notify().ok_or(anyhow!("IDLE state has no Notify object")));
+            .and_then(|_| {
+                self.state
+                    .notify()
+                    .ok_or(anyhow!("IDLE state has no Notify object"))
+            });
 
         // Build an appropriate response
         match maybe_stop {

src/mail/query.rs

@@ -2,8 +2,8 @@ use super::mailbox::MailMeta;
 use super::snapshot::FrozenMailbox;
 use super::unique_ident::UniqueIdent;
 use anyhow::Result;
-use futures::stream::{Stream, StreamExt, BoxStream};
 use futures::future::FutureExt;
+use futures::stream::{BoxStream, Stream, StreamExt};
 
 /// Query is in charge of fetching efficiently
 /// requested data for a list of emails
@@ -34,7 +34,10 @@ impl QueryScope {
 impl<'a, 'b> Query<'a, 'b> {
     pub fn fetch(&self) -> BoxStream<Result<QueryResult>> {
         match self.scope {
-            QueryScope::Index => Box::pin(futures::stream::iter(self.emails).map(|&uuid| Ok(QueryResult::IndexResult { uuid }))),
+            QueryScope::Index => Box::pin(
+                futures::stream::iter(self.emails)
+                    .map(|&uuid| Ok(QueryResult::IndexResult { uuid })),
+            ),
             QueryScope::Partial => Box::pin(self.partial()),
             QueryScope::Full => Box::pin(self.full()),
         }
@@ -42,40 +45,42 @@ impl<'a, 'b> Query<'a, 'b> {
 
     // --- functions below are private *for reasons*
     fn partial<'d>(&'d self) -> impl Stream<Item = Result<QueryResult>> + 'd + Send {
-        async move { 
-            let maybe_meta_list: Result<Vec<MailMeta>> = self.frozen.mailbox.fetch_meta(self.emails).await;
+        async move {
+            let maybe_meta_list: Result<Vec<MailMeta>> =
+                self.frozen.mailbox.fetch_meta(self.emails).await;
             let list_res = maybe_meta_list
-                .map(|meta_list| meta_list
-                     .into_iter()
-                     .zip(self.emails)
-                     .map(|(metadata, &uuid)| Ok(QueryResult::PartialResult { uuid, metadata }))
-                     .collect()
-                    )
+                .map(|meta_list| {
+                    meta_list
+                        .into_iter()
+                        .zip(self.emails)
+                        .map(|(metadata, &uuid)| Ok(QueryResult::PartialResult { uuid, metadata }))
+                        .collect()
+                })
                 .unwrap_or_else(|e| vec![Err(e)]);
 
             futures::stream::iter(list_res)
-        }.flatten_stream()
+        }
+        .flatten_stream()
     }
 
     fn full<'d>(&'d self) -> impl Stream<Item = Result<QueryResult>> + 'd + Send {
-        self.partial()
-            .then(move |maybe_meta| async move {
-                let meta = maybe_meta?;
+        self.partial().then(move |maybe_meta| async move {
+            let meta = maybe_meta?;
 
-                let content = self
-                    .frozen
-                    .mailbox
-                    .fetch_full(
-                        *meta.uuid(),
-                        &meta
+            let content = self
+                .frozen
+                .mailbox
+                .fetch_full(
+                    *meta.uuid(),
+                    &meta
                         .metadata()
                         .expect("meta to be PartialResult")
                         .message_key,
-                        )
-                    .await?;
+                )
+                .await?;
 
-                Ok(meta.into_full(content).expect("meta to be PartialResult"))
-            })
+            Ok(meta.into_full(content).expect("meta to be PartialResult"))
+        })
     }
 }