chore: introduce crate-ci/typos (#2430)

## Description

Avoid having typos in the codebase.

Closes #2396

## Breaking Changes

No.

## Notes & open questions

<!-- Any notes, remarks or open questions you have to make about the PR.
-->

## Change checklist

- [ ] Self-review.
- [ ] Documentation updates if relevant.
- [ ] Tests if relevant.
- [ ] All breaking changes documented.

Author: azzamsa

.github/workflows/ci.yml

@@ -213,6 +213,20 @@ jobs:
     - name: clippy check (default features)
       run: cargo clippy --workspace --all-targets
 
+  check_typos:
+    timeout-minutes: 30
+    name: Checking typos
+    runs-on: ubuntu-latest
+    env:
+      RUSTC_WRAPPER: "sccache"
+      SCCACHE_GHA_ENABLED: "on"
+    steps:
+    - uses: actions/checkout@v4
+    - uses: taiki-e/install-action@v2
+      with:
+        tool: typos-cli
+    - run: typos
+
   msrv:
     if: "github.event_name != 'pull_request' || ! contains(github.event.pull_request.labels.*.name, 'flaky-test')"
     timeout-minutes: 30

.typos.toml

@@ -0,0 +1,25 @@
+[files]
+# We can't change the `CHANGELOG` without changing old commit message
+extend-exclude = [
+  "CHANGELOG_old.md",
+  "CHANGELOG.md"
+]
+
+[default]
+extend-ignore-re = [
+  # Line ignore with trailing `// spellchecker:disable-line`
+  "(?Rm)^.*(#|//)\\s*spellchecker:disable-line$",
+
+  # Abbreviations
+  "UPnP",
+
+  # Library name
+  "tung",
+
+  # Hex
+  "ba",
+]
+
+[default.extend-words]
+# Library name
+ratatui = "ratatui"

iroh-blobs/src/downloader.rs

@@ -87,7 +87,7 @@ pub trait Dialer: Stream<Item = (NodeId, anyhow::Result<Self::Connection>)> + Un
 pub enum FailureAction {
     /// The request was cancelled by us.
     AllIntentsDropped,
-    /// An error ocurred that prevents the request from being retried at all.
+    /// An error occurred that prevents the request from being retried at all.
     AbortRequest(anyhow::Error),
     /// An error occurred that suggests the node should not be used in general.
     DropPeer(anyhow::Error),

iroh-blobs/src/export.rs

@@ -37,7 +37,7 @@ pub async fn export<D: BaoStore>(
     }
 }
 
-/// Export all entries of a collection, recursively, to files on the local fileystem.
+/// Export all entries of a collection, recursively, to files on the local filesystem.
 pub async fn export_collection<D: BaoStore>(
     db: &D,
     hash: Hash,
@@ -55,7 +55,7 @@ pub async fn export_collection<D: BaoStore>(
     Ok(())
 }
 
-/// Export a single blob to a file on the local fileystem.
+/// Export a single blob to a file on the local filesystem.
 pub async fn export_blob<D: BaoStore>(
     db: &D,
     hash: Hash,

iroh-blobs/src/store/bao_file.rs

@@ -275,7 +275,7 @@ impl Default for BaoFileStorage {
 impl BaoFileStorage {
     /// Take the storage out, leaving an empty storage in its place.
     ///
-    /// Be careful to put somethign back in its place, or you will lose data.
+    /// Be careful to put something back in its place, or you will lose data.
     #[cfg(feature = "fs-store")]
     pub fn take(&mut self) -> Self {
         std::mem::take(self)

iroh-blobs/src/store/traits.rs

@@ -131,7 +131,7 @@ pub trait BaoBatchWriter {
     /// Write a batch of bao content items to the underlying storage.
     ///
     /// The batch is guaranteed to be sorted as data is received from the network.
-    /// So leafs will be sorted by offset, and parents will be sorted by pre order
+    /// So leaves will be sorted by offset, and parents will be sorted by pre order
     /// traversal offset. There is no guarantee that they will be consecutive
     /// though.
     ///

iroh-dns-server/examples/publish.rs

@@ -58,7 +58,7 @@ async fn main() -> Result<()> {
             s
         }
         Err(_) => {
-            bail!("Environtment variable IROH_SECRET is not set. To create a new secret, use the --create option.")
+            bail!("Environment variable IROH_SECRET is not set. To create a new secret, use the --create option.")
         }
     };
 

iroh-dns-server/src/http/doh/extract.rs

@@ -80,7 +80,7 @@ pub struct DnsQuery {
     /// Privacy setting for how your IP address is forwarded to authoritative nameservers
     #[allow(dead_code)]
     pub edns_client_subnet: Option<String>,
-    /// Some url-safe random characters to pad your messages for privacy (to avoid being fingerprinted by encrytped message length)
+    /// Some url-safe random characters to pad your messages for privacy (to avoid being fingerprinted by encrypted message length)
     #[allow(dead_code)]
     pub random_padding: Option<String>,
     /// Whether to provide answers for all records up to the root

iroh-docs/src/engine.rs

@@ -379,7 +379,7 @@ impl DefaultAuthorStorage {
     }
 }
 
-/// Peristent default author for a docs engine.
+/// Persistent default author for a docs engine.
 #[derive(Debug)]
 pub struct DefaultAuthor {
     value: RwLock<AuthorId>,

iroh-docs/src/store/fs.rs

@@ -343,7 +343,7 @@ impl Store {
         })
     }
 
-    /// Delte an author.
+    /// Delete an author.
     pub fn delete_author(&mut self, author: AuthorId) -> Result<()> {
         self.modify(|tables| {
             tables.authors.remove(author.as_bytes())?;
@@ -881,7 +881,7 @@ impl Iterator for ParentIterator {
 /// a database snapshot open until it is dropped.
 ///
 /// Also, this represents a snapshot of the database at the time of creation.
-/// It nees a copy of a redb::ReadOnlyTable to be self-contained.
+/// It needs a copy of a redb::ReadOnlyTable to be self-contained.
 #[derive(derive_more::Debug)]
 pub struct ContentHashesIterator {
     #[debug(skip)]