ci: refactor version check

.github/workflows/build_rpm.yml

@@ -23,10 +23,15 @@ jobs:
         run: |
           LATEST_TAG=$(curl -s https://api.github.com/repos/fatedier/frp/releases/latest | jq -r .tag_name)
           LATEST_VERSION=${LATEST_TAG#v}
-          echo "Latest version: $LATEST_VERSION"
+          echo "Latest upstream version: $LATEST_VERSION"
           
-          CURRENT_VERSION=$(cat latest_version.txt 2>/dev/null || echo "0.0.0")
-          echo "Current version: $CURRENT_VERSION"
+          CURRENT_TAG=$(curl -s https://api.github.com/repos/${{ github.repository }}/releases/latest | jq -r .tag_name)
+          if [ "$CURRENT_TAG" == "null" ]; then
+            CURRENT_VERSION="0.0.0"
+          else
+            CURRENT_VERSION=${CURRENT_TAG#v}
+          fi
+          echo "Current repo version: $CURRENT_VERSION"
           
           if [ "$LATEST_VERSION" == "$CURRENT_VERSION" ] && [ "${{ github.event_name }}" != "workflow_dispatch" ]; then
             echo "Already up to date."
@@ -191,12 +196,4 @@ jobs:
         keep_files: true
         commit_message: "Update repo for v${{ needs.check_version.outputs.version }}"
 
-    - name: Update version record
-      run: |
-        echo "${{ needs.check_version.outputs.version }}" > latest_version.txt
-        git config --global user.name "GitHub Actions"
-        git config --global user.email "actions@github.com"
-        git config --global --add safe.directory '*'
-        git add latest_version.txt
-        git commit -m "Update to v${{ needs.check_version.outputs.version }}"
-        git push
+