feat: add CI step to publish to crates.io

.github/workflows/ci.yml

@@ -199,3 +199,49 @@ jobs:
           tool: typos-cli
       - name: Typos Check
         run: typos src/
+
+  publish:
+    name: Publish to crates.io
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push'
+    needs:
+      - fmt
+      - clippy
+      - test
+      - docs
+      - feature-check
+      - coverage
+      - msrv
+      - deny
+      - semver
+      - minimal-versions
+      - cross-platform
+      - typos
+    steps:
+      - uses: actions/checkout@v6
+      - name: Install Rust
+        run: |
+          rustup override set stable
+          rustup update stable
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Check if version already published
+        id: check
+        run: |
+          CARGO_VERSION=$(cargo metadata --no-deps --format-version 1 | jq -r '.packages[0].version')
+          echo "version=$CARGO_VERSION" >> "$GITHUB_OUTPUT"
+
+          HTTP_STATUS=$(curl -s -o /dev/null -w "%{http_code}" "https://crates.io/api/v1/crates/optimizer/$CARGO_VERSION")
+          if [ "$HTTP_STATUS" = "200" ]; then
+            echo "Version $CARGO_VERSION already exists on crates.io, skipping publish"
+            echo "skip=true" >> "$GITHUB_OUTPUT"
+          else
+            echo "Version $CARGO_VERSION not found on crates.io, will publish"
+            echo "skip=false" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Publish
+        if: steps.check.outputs.skip == 'false' && github.ref == 'refs/heads/master'
+        run: cargo publish
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}

.github/workflows/publish.yml

@@ -1,35 +0,0 @@
-name: Publish
-
-on:
-  push:
-    tags:
-      - "v*"
-
-env:
-  CARGO_TERM_COLOR: always
-
-jobs:
-  publish:
-    name: Publish to crates.io
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v6
-      - name: Install Rust
-        run: |
-          rustup override set stable
-          rustup update stable
-      - uses: Swatinem/rust-cache@v2
-
-      - name: Verify version matches tag
-        run: |
-          CARGO_VERSION=$(cargo metadata --no-deps --format-version 1 | jq -r '.packages[0].version')
-          TAG_VERSION="${GITHUB_REF_NAME#v}"
-          if [ "$CARGO_VERSION" != "$TAG_VERSION" ]; then
-            echo "Error: Cargo.toml version ($CARGO_VERSION) doesn't match tag ($TAG_VERSION)"
-            exit 1
-          fi
-
-      - name: Publish
-        run: cargo publish
-        env:
-          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}