Reformat everything with dprint (#563)

This reformats the repository with the same  / action as in `smawk`.

---------

Co-authored-by: Martin Geisler <martin@geisler.net>

Author: waywardmonkeys

.github/workflows/build.yml

@@ -6,7 +6,7 @@ on:
     branches:
       - master
   schedule:
-    - cron: '30 17 * * 5'  # Every Friday at 17:30 UTC
+    - cron: "30 17 * * 5" # Every Friday at 17:30 UTC
 
 env:
   CARGO_TERM_COLOR: always
@@ -15,7 +15,6 @@ env:
   RUSTFLAGS: -D warnings
 
 jobs:
-
   # Here we check that we can run `cargo test` on modern versions of
   # Rust. Below we check that we can build the library on an old
   # version as well.
@@ -270,3 +269,21 @@ jobs:
       - name: Deploy textwrap-wasm-demo-app
         if: steps.git-add.outputs.has-changes == 'true'
         run: git push origin
+
+  format:
+    name: Format
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # We use an unstable rustfmt feature and we thus need the
+      # nightly channel to enforce the formatting.
+      - name: Setup Rust nightly
+        run: rustup default nightly
+
+      - name: Install rustfmt
+        run: rustup component add rustfmt
+
+      - name: Check Formatting
+        uses: dprint/check@v2.2

.github/workflows/cifuzz.yml

@@ -4,21 +4,21 @@ jobs:
   Fuzzing:
     runs-on: ubuntu-latest
     steps:
-    - name: Build Fuzzers
-      id: build
-      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
-      with:
-        oss-fuzz-project-name: 'textwrap'
-        language: rust
-    - name: Run Fuzzers
-      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
-      with:
-        oss-fuzz-project-name: 'textwrap'
-        fuzz-seconds: 300
-        language: rust
-    - name: Upload Crash
-      uses: actions/upload-artifact@v4
-      if: failure() && steps.build.outcome == 'success'
-      with:
-        name: artifacts
-        path: ./out/artifacts
+      - name: Build Fuzzers
+        id: build
+        uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
+        with:
+          oss-fuzz-project-name: "textwrap"
+          language: rust
+      - name: Run Fuzzers
+        uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
+        with:
+          oss-fuzz-project-name: "textwrap"
+          fuzz-seconds: 300
+          language: rust
+      - name: Upload Crash
+        uses: actions/upload-artifact@v4
+        if: failure() && steps.build.outcome == 'success'
+        with:
+          name: artifacts
+          path: ./out/artifacts

.github/workflows/prepare-release.yml

@@ -3,7 +3,7 @@ name: Prepare Release PR
 on:
   push:
     branches:
-      - 'release-*'
+      - "release-*"
 
 jobs:
   setup:
@@ -167,7 +167,7 @@ jobs:
 
       - name: Build and test
         run: |
-            cargo test
+          cargo test
 
       - name: Commit version bump
         run: |