fix workflow: use --pre-release flag to package the pre-release

.github/workflows/draft-release.yml

@@ -6,6 +6,7 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  IS_PRE_RELEASE: contains(${{ github.ref_name }}, 'dev')
 
 jobs:
   build:
@@ -35,11 +36,17 @@ jobs:
 
     - name: Build xtask
       run: cargo build --package xtask --release
-    - name: Prepare and pack the client
-      run: |
-        cargo xtask prep-server --target ${{ matrix.target }} --release
-        cargo xtask package -o "witcherscript-ide-${{ github.ref_name }}-${{ matrix.target }}.vsix" --target ${{ matrix.code_target }}
 
+    - name: Prepare the server executable
+      run: cargo xtask prep-server --target ${{ matrix.target }} --release
+
+    - name: Package the extension (pre-release)
+      if: ${{ env.IS_PRE_RELEASE }}
+      run: cargo xtask package --pre-release -o "witcherscript-ide-${{ github.ref_name }}-${{ matrix.target }}.vsix" --target ${{ matrix.code_target }}
+    - name: Package the extension (main release)
+      if: ${{ !env.IS_PRE_RELEASE }}
+      run: cargo xtask package -o "witcherscript-ide-${{ github.ref_name }}-${{ matrix.target }}.vsix" --target ${{ matrix.code_target }}
+
     - name: Upload artifacts
       uses: actions/upload-artifact@v2
       with:
@@ -51,9 +58,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     needs: build
-    if: success()
-    env:
-      IS_PRE_RELEASE: contains(${{ github.ref_name }}, 'dev')
+    if: success()     
 
     steps:
     - name: Download artifacts