fix snapcraft version

.github/workflows/snapcraft-release.yml

@@ -11,9 +11,9 @@ jobs:
     - name: snapcraft setup
       run: |
         pwd
-        cp "${GITHUB_WORKSPACE}/packages/snap/snapcraft.yaml" "${GITHUB_WORKSPACE}/snapcraft.yaml"
-        sed -i 's#source: ../../#source: \.#g' "${GITHUB_WORKSPACE}/snapcraft.yaml"
-        cat "${GITHUB_WORKSPACE}/snapcraft.yaml"
+        cp -r "./packages/snap" "."
+        sed -i 's#source: ../../#source: \.#g' "./snap/snapcraft.yaml"
+        cat "./snapcraft.yaml"
     - uses: snapcore/action-build@v1
       id: build
     - uses: snapcore/action-publish@v1

packages/snap/snapcraft.yaml

@@ -40,4 +40,7 @@ parts:
     plugin: nil
     override-build: |
       VERSION=$(git describe --abbrev=0 --tags | sed 's/^v//g')
+      if [ -z ${VERSION} ]; then
+        VERSION=$(cat dotdrop/version.py | grep version | sed 's/^.*= .\(.*\).$/\1/g')
+      fi
       snapcraftctl set-version "${VERSION}"