fix(ci): derive plugin release versions from tags (#16)

Author: ryanbarlow97

.github/workflows/build.yml

@@ -30,11 +30,14 @@ jobs:
         env:
           GH_TOKEN: ${{ secrets.DEPS_TOKEN }}
         run: bash .github/scripts/prepare-release.sh
-      - name: Set dated development version
+      - name: Set build version
         id: dev
         shell: bash
         run: |
-          dev_version="DEV-$(date -u +%Y%m%d-%H%M)"
+          dev_version="main-SNAPSHOT"
+          if [[ "$GITHUB_EVENT_NAME" == "pull_request" ]]; then
+            dev_version="DEV-$(date -u +%Y%m%d-%H%M)"
+          fi
           mvn -B --no-transfer-progress -P'!deploy-live' org.codehaus.mojo:versions-maven-plugin:2.22.0:set \
             -DnewVersion="$dev_version" -DgenerateBackupPoms=false
           mvn -B --no-transfer-progress -P'!deploy-live' help:evaluate \
@@ -54,7 +57,8 @@ jobs:
           BUILD_VERSION: ${{ steps.dev.outputs.version }}
         run: python3 .github/scripts/plugin-artifact.py --jar "$ARTIFACT_PATH" --version "$BUILD_VERSION"
 
-      - uses: actions/upload-artifact@v7
+      - if: github.event_name == 'pull_request'
+        uses: actions/upload-artifact@v7
         with:
           name: ${{ steps.dev.outputs.name }}-${{ github.run_id }}-${{ github.run_attempt }}
           path: |

.github/workflows/maven-release.yml

@@ -59,18 +59,13 @@ jobs:
             bash .github/scripts/prepare-release.sh
           fi
 
-      - name: Check Maven version and build
+      - name: Set version from tag and build
         id: maven
         env:
           TAG: ${{ github.ref_name }}
         run: |
-          version_file="$RUNNER_TEMP/maven-release-version"
-          mvn -B --no-transfer-progress -P'!deploy-live' help:evaluate \
-            -Dexpression=project.version -Doutput="$version_file"
-          [[ "$(cat "$version_file")" == "${TAG#v}" ]] || {
-            echo '::error::The tag must match project.version exactly.'
-            exit 1
-          }
+          mvn -B --no-transfer-progress -P'!deploy-live' org.codehaus.mojo:versions-maven-plugin:2.22.0:set \
+            -DnewVersion="${TAG#v}" -DgenerateBackupPoms=false
           mvn -B --no-transfer-progress -P'!deploy-live' help:evaluate \
             -Dexpression=project.build.finalName -Doutput="$RUNNER_TEMP/final-name"
           final_name=$(cat "$RUNNER_TEMP/final-name")

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>net.tfminecraft</groupId>
     <artifactId>magic</artifactId>
-    <version>0.2.0</version>
+    <version>main-SNAPSHOT</version>
 
     <properties>
         <maven.compiler.release>21</maven.compiler.release>