action: update release hash checker

.github/workflows/hashfile.yml

@@ -0,0 +1,47 @@
+name: Update release files hash
+
+on:
+  release:
+    types: [edited]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - run: echo ::set-env name=VERSION::$(echo $GITHUB_REF | cut -d / -f 3)
+        shell: bash
+      - run: echo ::set-env name=REPOSITORY_NAME::$(echo "$GITHUB_REPOSITORY" | awk -F / '{print $2}')
+        shell: bash
+      - name: Checking out sources
+        uses: actions/checkout@master
+      - name: Hash File
+        shell: bash
+        run: |
+          wget -O release.info https://api.github.com/repos/Qv2ray/${REPOSITORY_NAME}/releases/tags/${VERSION}
+          cat ./release.info | jq -r ".assets | .[] | .browser_download_url" > download.list
+          cat ./release.info | jq -r ".assets | .[] | { uploader_id: .uploader.login, asset_name: .name }" > assets.info.json
+          mkdir files
+          cd files
+          for x in $(cat ../download.list); do
+             wget "$x";
+          done;
+          rm assets.info.json || true
+          rm sha256.list || true
+          sha256sum ./* > ../sha256.list
+      - name: Upload metadata to release
+        uses: svenstaro/upload-release-action@v1-release
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: assets.info.json
+          asset_name: assets.info.json
+          tag: ${{ github.ref }}
+          overwrite: true
+      - name: Upload metadata to release
+        uses: svenstaro/upload-release-action@v1-release
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: sha256.list
+          asset_name: sha256.list
+          tag: ${{ github.ref }}
+          overwrite: true