[ci] Upgrade to ruby 3

Fixes #4776

.ci/build.sh

@@ -167,11 +167,12 @@ function build() {
 
 
 #
-# Installs bundler, which is needed for doc generation and regression tester
+# Bundler should be already installed - it should be included in the ruby distribution.
+# Bundler is needed for doc generation and regression tester
 #
 function pmd_ci_build_setup_bundler() {
-    pmd_ci_log_info "Installing bundler..."
+    pmd_ci_log_info "Checking bundler version..."
-    gem install bundler -v 2.4.22
+    bundle --version
 }
 
 #

.ci/inc/regression-tester.inc

@@ -19,8 +19,9 @@ function regression_tester_setup_ci() {
     source .ci/files/public-env >/dev/null 2>&1
     rm .ci/files/public-env
 
-    if hash "bundler" 2>/dev/null; then
+    if hash "bundle" 2>/dev/null; then
         pmd_ci_log_debug "Bundler is already installed"
+        bundle --version
     else
         pmd_ci_log_info "Installing bundler..."
         gem install bundler

.github/workflows/build.yml

@@ -52,16 +52,17 @@ jobs:
         key: v3-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}
         restore-keys: |
           v3-${{ runner.os }}-
-    - name: Set up Ruby 2.7
+    - name: Set up Ruby 3.3
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.7
+        ruby-version: 3.3
     - name: Setup Environment
       shell: bash
       run: |
         echo "LANG=en_US.UTF-8" >> $GITHUB_ENV
         echo "MAVEN_OPTS=-Daether.connector.http.connectionMaxTtl=180 -DautoReleaseAfterClose=true -DstagingProgressTimeoutMinutes=30" >> $GITHUB_ENV
-        echo "PMD_CI_SCRIPTS_URL=https://raw.githubusercontent.com/pmd/build-tools/master/scripts" >> $GITHUB_ENV
+        #echo "PMD_CI_SCRIPTS_URL=https://raw.githubusercontent.com/pmd/build-tools/master/scripts" >> $GITHUB_ENV
+        echo "PMD_CI_SCRIPTS_URL=https://raw.githubusercontent.com/adangel/build-tools/ruby3/scripts" >> $GITHUB_ENV
     - name: Check Environment
       shell: bash
       run: |

.github/workflows/troubleshooting.yml

@@ -27,16 +27,17 @@ jobs:
           key: v3-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
             v3-${{ runner.os }}-
-      - name: Set up Ruby 2.7
+      - name: Set up Ruby 3.3
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 3.3
       - name: Setup Environment
         shell: bash
         run: |
           echo "LANG=en_US.UTF-8" >> $GITHUB_ENV
           echo "MAVEN_OPTS=-Daether.connector.http.connectionMaxTtl=180 -DstagingProgressTimeoutMinutes=30" >> $GITHUB_ENV
-          echo "PMD_CI_SCRIPTS_URL=https://raw.githubusercontent.com/pmd/build-tools/master/scripts" >> $GITHUB_ENV
+          #echo "PMD_CI_SCRIPTS_URL=https://raw.githubusercontent.com/pmd/build-tools/master/scripts" >> $GITHUB_ENV
+          echo "PMD_CI_SCRIPTS_URL=https://raw.githubusercontent.com/adangel/build-tools/ruby3/scripts" >> $GITHUB_ENV
       - name: Check Environment
         shell: bash
         run: |

docs/pages/release_notes.md

@@ -202,6 +202,7 @@ The rules have been moved into categories with PMD 6.
   * [#4736](https://github.com/pmd/pmd/issues/4736): \[ci] Improve build procedure
   * [#4741](https://github.com/pmd/pmd/pull/4741):   Add pmd-compat6 module for maven-pmd-plugin
   * [#4749](https://github.com/pmd/pmd/pull/4749):   Fixes NoSuchMethodError on processing errors in pmd-compat6
+  * [#4776](https://github.com/pmd/pmd/issues/4776): \[ci] Upgrade to ruby 3
   * [#4796](https://github.com/pmd/pmd/pull/4796):   Remove deprecated and release rulesets
 * apex-performance
   * [#4675](https://github.com/pmd/pmd/issues/4675): \[apex] New Rule: OperationWithHighCostInLoop
@@ -720,6 +721,7 @@ See also [Detailed Release Notes for PMD 7]({{ baseurl }}pmd_release_notes_pmd7.
     * [#4736](https://github.com/pmd/pmd/issues/4736): \[ci] Improve build procedure
     * [#4741](https://github.com/pmd/pmd/pull/4741):   Add pmd-compat6 module for maven-pmd-plugin
     * [#4749](https://github.com/pmd/pmd/pull/4749):   Fixes NoSuchMethodError on processing errors in pmd-compat6
+    * [#4776](https://github.com/pmd/pmd/issues/4776): \[ci] Upgrade to ruby 3
     * [#4796](https://github.com/pmd/pmd/pull/4796):   Remove deprecated and release rulesets
 * ant
     * [#4080](https://github.com/pmd/pmd/issues/4080): \[ant] Split off Ant integration into a new submodule