CI for crates.io release

Author: Bromeon

.github/other/update-version.sh

@@ -39,6 +39,7 @@ mainCargoToml="$scriptPath/../../godot/Cargo.toml"
 newVersion="${args[0]}"
 oldVersion=$(grep -Po '^version = "\K[^"]*' "$mainCargoToml")
 
+# Keep in sync with release-version.yml.
 publishedCrates=(
     "godot-bindings"
     "godot-codegen"

.github/workflows/full-ci.yml

@@ -35,6 +35,7 @@ defaults:
 #  cancel-in-progress: true
 
 jobs:
+  # Keep all in sync with minimal-ci and release-version.
   rustfmt:
     runs-on: ubuntu-20.04
     steps:

.github/workflows/minimal-ci.yml

@@ -46,7 +46,6 @@ jobs:
       - name: "Install Rust"
         uses: ./.github/composite/rust
         with:
-          rust: stable
           components: rustfmt
 
       - name: "Check rustfmt"

.github/workflows/release-version.yml

@@ -0,0 +1,159 @@
+name: "Release workflow"
+
+on:
+  push:
+    branches:
+      - '!**'
+    tags:
+      # To include pre-releases: 'v0.1.[0-9]+-?*'
+      - 'v0.1.[0-9]+'
+
+env:
+  # Note: used for test and clippy, not for publish
+  GDEXT_FEATURES: "--features godot/experimental-godot-api,godot/formatted,godot/serde"
+
+  # Crates to publish -- important, this doesn't work when there are spaces in any of the paths!
+  # Keep in sync with update-version.sh
+  GDEXT_CRATES: >
+    godot-bindings
+    godot-codegen
+    godot-ffi
+    godot-cell
+    godot-core
+    godot-macros
+    godot
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  validation:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      # sed: https://unix.stackexchange.com/a/589584
+      - name: "Interpret tag version"
+        run: |
+          version=$(echo "$GITHUB_REF" | sed -n "s#refs/tags/v\(.*\)#\1#p")
+          [ -z "$version" ] && {
+            printf "\n::error::Failed to parse '$GITHUB_REF'.\n"
+            exit 2
+          }
+          
+          echo "Published version: $version"
+          echo "GDEXT_PUBLISHED_VERSION=$version" >> $GITHUB_ENV
+
+      - name: "Verify that Cargo.toml versions match ${{ env.GDEXT_PUBLISHED_VERSION }}"
+        run: |
+          echo "Checking crate versions..."
+          
+          # Check if each Cargo.toml has that version
+          IFS=' ' read -r -a publishedCrates <<< "$GDEXT_CRATES"
+          for crate in "${publishedCrates[@]}"; do
+            readVersion=$(grep -Po '^version = "\K[^"]*' "$crate/Cargo.toml")
+            printf "* $crate -> $readVersion"
+          
+            if [[ "$readVersion" != "$GDEXT_PUBLISHED_VERSION" ]]; then
+              printf "     ERROR\n"
+              versionMismatch="1"
+            else
+              printf "\n"
+            fi
+          done
+          
+          if [[ -n "$versionMismatch" ]]; then
+            printf "\n::error::At least one crate has a version mismatching the git tag.\n"
+            exit 2
+          else
+            printf "\nAll versions OK.\n"
+          fi
+
+  # Keep all in sync with minimal-ci and full-ci.
+  unit-test:
+    runs-on: ubuntu-latest
+    needs: validation
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Install Rust (uncached)"
+        run: rustup update stable
+
+      - name: "Compile and run test"
+        run: cargo test $GDEXT_FEATURES
+
+  clippy:
+    runs-on: ubuntu-latest
+    needs: validation
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Install Rust (uncached)"
+        run: rustup update stable
+
+      - name: "Check clippy"
+        run: |
+          cargo clippy --all-targets $GDEXT_FEATURES -- \
+          -D clippy::suspicious \
+          -D clippy::style \
+          -D clippy::complexity \
+          -D clippy::perf \
+          -D clippy::dbg_macro \
+          -D clippy::todo \
+          -D clippy::unimplemented \
+          -D warnings
+
+  rustfmt:
+    runs-on: ubuntu-latest
+    needs: validation
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Install Rust (uncached)"
+        run: rustup update stable
+
+      - name: "Check rustfmt"
+        run: cargo fmt --all -- --check
+
+      - name: "Run custom repo checks"
+        run: |
+          cargo run -p repo-tweak
+          git diff --quiet --exit-code || {
+            echo "::error::Godot versions out of sync; update with `cargo run -p repo-tweak`."
+            echo "Differences:"
+            echo "----------------------------------------------------"
+            git diff
+            echo "----------------------------------------------------"
+            exit 1
+          }
+
+  publish:
+    runs-on: ubuntu-latest
+#    environment: 'Crates.io'
+    needs:
+      - unit-test
+      - clippy
+      - rustfmt
+    steps:
+      # Note: we cannot dry-run the publishing, since crates depend on each other, and dry-run will fail if they aren't yet on crates.io.
+      # Sleep to leave crates.io and docs.rs some time to index the dependencies, before releasing dependents.
+      - uses: actions/checkout@v4
+
+      - name: "Install Rust (uncached)"
+        run: rustup update stable
+
+      - name: "Execute crates.io publishing"
+#        env:
+#          CARGO_REGISTRY_TOKEN: ${{ secrets.CRATES_IO_TOKEN }}
+        run: |
+          IFS=' ' read -r -a publishedCrates <<< "$GDEXT_CRATES"
+          for crate in "${publishedCrates[@]}"; do
+            echo "Publish $crate..."
+            (cd "$crate" && cargo publish --dry-run) || {
+              printf "\n::error::Failed to publish $crate\n"
+              exit 2
+            }
+            echo "Wait..."
+            sleep 10s
+          done