Add CI workflow and diagnostics script

Co-authored-by: Mte90 <403283+Mte90@users.noreply.github.com>

Author: Copilot

.github/workflows/kotlin-ci.yml

@@ -1,4 +1,4 @@
-name: 'CI — Build Kotlin plugin on PR commits'
+name: CI — Build Kotlin plugin on PR commits
 
 on:
   pull_request:
@@ -8,10 +8,8 @@ on:
 
 jobs:
   build-kotlin-plugin:
-    name: 'Build (matrix: Java ${{ matrix.java-version }})'
+    name: Build (matrix: Java ${{ matrix.java-version }})
     runs-on: ubuntu-latest
-    permissions:
-      contents: read
     strategy:
       matrix:
         java-version: [11, 17]
@@ -34,64 +32,59 @@ jobs:
           path: |
             ~/.gradle/caches
             ~/.gradle/wrapper
-            ide-plugins/.gradle
-          key: gradle-${{ matrix.java-version }}-${{ hashFiles('ide-plugins/**/*.gradle*','ide-plugins/**/gradle-wrapper.properties') }}
+            .gradle
+          key: gradle-${{ matrix.java-version }}-${{ hashFiles('**/*.gradle*','**/gradle-wrapper.properties') }}
           restore-keys: |
             gradle-${{ matrix.java-version }}-
 
       - name: Make wrapper executable
         run: chmod +x ./gradlew
-        working-directory: ide-plugins
 
       - name: Print Gradle info (for debugging)
         run: ./gradlew --no-daemon --version
-        working-directory: ide-plugins
 
       - name: Run diagnostics script (prints wrapper and kotlin plugin references)
         run: |
-          mkdir -p ../out
-          ./inspect_gradle_kotlin_versions.sh > ../out/ci-diagnostics.txt || true
-        working-directory: ide-plugins
+          mkdir -p out
+          scripts/ci/inspect_gradle_kotlin_versions.sh > out/ci-diagnostics.txt || true
       - name: Upload diagnostics
         uses: actions/upload-artifact@v4
         with:
-          name: ci-diagnostics-java-${{ matrix.java-version }}
+          name: ci-diagnostics
           path: out/ci-diagnostics.txt
 
       - name: Full build with stacktrace (capture to file)
         env:
           GRADLE_OPTS: "-Dorg.gradle.jvmargs=-Xmx3g"
         run: |
           set -o pipefail
-          ./gradlew build --no-daemon --stacktrace 2>&1 | tee ../gradle-build.log || true
-        working-directory: ide-plugins
+          ./gradlew build --no-daemon --stacktrace 2>&1 | tee gradle-build.log || true
       - name: Upload build log
         uses: actions/upload-artifact@v4
         with:
-          name: gradle-build-log-java-${{ matrix.java-version }}
+          name: gradle-build-log
           path: gradle-build.log
 
       - name: Build Kotlin plugin subproject if present
         run: |
           set -o pipefail
           if ./gradlew :kotlin:tasks --dry-run &>/dev/null; then
             echo "Detected :kotlin subproject -> building it"
-            ./gradlew :kotlin:build --no-daemon --stacktrace 2>&1 | tee ../kotlin-subproject-build.log || true
+            ./gradlew :kotlin:build --no-daemon --stacktrace 2>&1 | tee kotlin-subproject-build.log || true
             echo "Uploading kotlin-subproject-build.log"
-            ls -la ../kotlin-subproject-build.log || true
+            ls -la kotlin-subproject-build.log || true
           elif ./gradlew :plugin:kotlin:tasks --dry-run &>/dev/null; then
             echo "Detected :plugin:kotlin subproject -> building it"
-            ./gradlew :plugin:kotlin:build --no-daemon --stacktrace 2>&1 | tee ../kotlin-subproject-build.log || true
+            ./gradlew :plugin:kotlin:build --no-daemon --stacktrace 2>&1 | tee kotlin-subproject-build.log || true
           else
             echo "No explicit kotlin plugin subproject found; running assemble on all projects"
-            ./gradlew assemble --no-daemon --stacktrace 2>&1 | tee ../assemble.log || true
+            ./gradlew assemble --no-daemon --stacktrace 2>&1 | tee assemble.log || true
           fi
-        working-directory: ide-plugins
       - name: Upload kotlin-subproject/build logs if present
         uses: actions/upload-artifact@v4
         with:
-          name: kotlin-subproject-logs-java-${{ matrix.java-version }}
+          name: kotlin-subproject-logs
           path: |
             kotlin-subproject-build.log
             assemble.log
-        if: always()
+            || true

scripts/ci/inspect_gradle_kotlin_versions.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+set -eu
+
+# Print Gradle wrapper distribution URL
+if [ -f gradle/wrapper/gradle-wrapper.properties ]; then
+  echo "== gradle-wrapper.properties =="
+  grep -i distributionUrl gradle/wrapper/gradle-wrapper.properties || true
+  echo
+fi
+
+# Print gradle.properties if present
+if [ -f gradle.properties ]; then
+  echo "== gradle.properties =="
+  cat gradle.properties || true
+  echo
+fi
+
+# Search for Kotlin Gradle plugin references
+echo "== Kotlin plugin references (searching for kotlin-gradle-plugin and org.jetbrains.kotlin) =="
+grep -R --line-number --color=never "kotlin-gradle-plugin" || true
+grep -R --line-number --color=never "org.jetbrains.kotlin" || true
+
+# Print build.gradle(.kts) files header lines to show plugin versions where declared
+for f in $(git ls-files "*.gradle" "*.gradle.kts" 2>/dev/null || true); do
+  echo "---- $f ----"
+  sed -n '1,200p' "$f" | sed -n '1,60p'
+  echo
+done
+
+# Print settings.gradle(.kts)
+for f in $(git ls-files "settings.gradle" "settings.gradle.kts" 2>/dev/null || true); do
+  echo "---- $f ----"
+  sed -n '1,200p' "$f" | sed -n '1,60p'
+  echo
+done
+
+# Print the kotlin plugin versions extracted via a rough regex
+echo "== Extracted candidate versions =="
+grep -R --line-number --color=never "kotlin-gradle-plugin[:=][^\n]*" || true