Use version correctly

Author: gavlyukovskiy

.github/workflows/on-master.yml

@@ -22,8 +22,35 @@ jobs:
           java-version: 17
           cache: 'gradle'
 
+      - id: get-snapshot-version
+        name: Generate snapshot version
+        shell: bash
+        run: |
+          version=$(git describe --tag --abbrev=0 | cut -c 2-)
+          regex="^([0-9]+).([0-9]+).([0-9]+)$"
+          if [[ $version =~ $regex ]]; then
+            major="${BASH_REMATCH[1]}"
+            minor="${BASH_REMATCH[2]}"
+            patch="${BASH_REMATCH[3]}"
+          
+            patch=$(($patch + 1))
+          
+            snapshot_version="${major}.${minor}.${patch}"
+          
+            if ! [[ $snapshot_version =~ $regex ]]; then
+              echo "SNAPSHOT version $snapshot_version is not a valid SemVer"
+              exit 1
+            fi
+          
+            echo "${snapshot_version}-SNAPSHOT"
+            echo "snapshot-version=${snapshot_version}-SNAPSHOT" >> $GITHUB_OUTPUT
+          else
+            echo "Version $version is not a valid SemVer"
+            exit 1
+          fi
+
       - name: Build with Gradle
-        run: ./gradlew build
+        run: ./gradlew -Pversion=${{ steps.get-snapshot-version.outputs.snapshot-version }} build
 
       - name: Upload snapshot artifacts to Sonatype
         id: upload_snapshot_artifacts
@@ -32,4 +59,4 @@ jobs:
           SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
           GPG_KEY: ${{ secrets.GPG_KEY }}
           GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
-        run: ./gradlew publishToSonatype closeAndReleaseSonatypeStagingRepository
+        run: ./gradlew -Pversion=${{ steps.get-snapshot-version.outputs.snapshot-version }} publishToSonatype closeAndReleaseSonatypeStagingRepository

build.gradle.kts

@@ -6,7 +6,7 @@ plugins {
 }
 
 group = "com.github.gavlyukovskiy"
-version = "0.1.0-SNAPSHOT"
+version = version.takeUnless { it == "unspecified" } ?: "0.1.0-SNAPSHOT"
 
 val sonatypeUser: String? = project.properties["sonatype_user"]?.toString()
     ?: System.getenv("SONATYPE_USER")