fix: put entire version script in single shell block

Each command runs in separate shell - variables don't persist.
Moving everything into one script block.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.woodpecker/release.yml

@@ -27,57 +27,36 @@ steps:
     image: alpine/git
     commands:
       - |
-        # Get the latest tag or default to v0.0.0
+        set -e
         LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
         echo "Latest tag: $LATEST_TAG"
-
-        # Parse current version (strip 'v' prefix using sed)
         VERSION=$(echo "$LATEST_TAG" | sed 's/^v//')
         MAJOR=$(echo "$VERSION" | cut -d. -f1)
         MINOR=$(echo "$VERSION" | cut -d. -f2)
         PATCH=$(echo "$VERSION" | cut -d. -f3)
-
         echo "Current: $MAJOR.$MINOR.$PATCH"
-
-        # Get commits since last tag
         if [ "$LATEST_TAG" = "v0.0.0" ]; then
           COMMITS=$(git log --pretty=format:"%s" HEAD)
         else
           COMMITS=$(git log --pretty=format:"%s" "${LATEST_TAG}..HEAD")
         fi
-
-        # Determine bump type from conventional commits
         BUMP="patch"
         if echo "$COMMITS" | grep -qiE "^feat(\(.+\))?!:|BREAKING CHANGE:"; then
           BUMP="major"
         elif echo "$COMMITS" | grep -qiE "^feat(\(.+\))?:"; then
           BUMP="minor"
         fi
-
         echo "Bump type: $BUMP"
-
-        # Calculate new version
         case $BUMP in
-          major)
-            MAJOR=$((MAJOR + 1))
-            MINOR=0
-            PATCH=0
-            ;;
-          minor)
-            MINOR=$((MINOR + 1))
-            PATCH=0
-            ;;
-          patch)
-            PATCH=$((PATCH + 1))
-            ;;
+          major) MAJOR=$((MAJOR + 1)); MINOR=0; PATCH=0 ;;
+          minor) MINOR=$((MINOR + 1)); PATCH=0 ;;
+          patch) PATCH=$((PATCH + 1)) ;;
         esac
-
-        NEW_VERSION="${MAJOR}.${MINOR}.${PATCH}"
-        echo "New version: $NEW_VERSION"
-
-        # Save version for other steps
-        echo "$NEW_VERSION" > .version
-        echo "v${NEW_VERSION}" > .tag
+        echo "New version: $MAJOR.$MINOR.$PATCH"
+        echo "$MAJOR.$MINOR.$PATCH" > .version
+        echo "v$MAJOR.$MINOR.$PATCH" > .tag
+        cat .version
+        cat .tag
     depends_on: [build-and-test]
 
   # Package NuGet