Add GitHub Action to Automatically Publish Release Tarballs

.circleci/config.yml

@@ -36,33 +36,6 @@ jobs:
             make armbuild   V=1; make clean
             make -C tests test-legacy test-longmatch; make clean
             make -C lib libzstd-nomt; make clean
-  # This step is only run on release tags.
-  # It publishes the source tarball as artifacts and if the GITHUB_TOKEN
-  # environment variable is set it will publish the source tarball to the
-  # tagged release.
-  publish-github-release:
-    docker:
-      - image: fbopensource/zstd-circleci-primary:0.0.1
-    environment:
-      CIRCLE_ARTIFACTS: /tmp/circleci-artifacts
-    steps:
-      - checkout
-      - run:
-          name: Publish
-          command: |
-            export VERSION=$(echo $CIRCLE_TAG | tail -c +2)
-            export ZSTD_VERSION=zstd-$VERSION
-            git archive $CIRCLE_TAG --prefix $ZSTD_VERSION/ --format tar \
-                        -o $ZSTD_VERSION.tar
-            sha256sum $ZSTD_VERSION.tar > $ZSTD_VERSION.tar.sha256
-            zstd -19 $ZSTD_VERSION.tar
-            sha256sum $ZSTD_VERSION.tar.zst > $ZSTD_VERSION.tar.zst.sha256
-            gzip -k -9 $ZSTD_VERSION.tar
-            sha256sum $ZSTD_VERSION.tar.gz > $ZSTD_VERSION.tar.gz.sha256
-            mkdir -p $CIRCLE_ARTIFACTS
-            cp $ZSTD_VERSION.tar* $CIRCLE_ARTIFACTS
-      - store_artifacts:
-          path: /tmp/circleci-artifacts
   # This step should only be run in a cron job
   regression-test:
     docker:

.github/workflows/publish-release-artifacts.yml

@@ -0,0 +1,68 @@
+name: publish-release-artifacts
+
+on:
+  release:
+    types:
+      - created
+
+jobs:
+  publish-release-artifacts:
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/')
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Archive
+        env:
+          RELEASE_SIGNING_KEY: ${{ secrets.RELEASE_SIGNING_KEY }}
+          RELEASE_SIGNING_KEY_PASSPHRASE: ${{ secrets.RELEASE_SIGNING_KEY_PASSPHRASE }}
+        run: |
+          # compute file name
+          export TAG="$(echo "$GITHUB_REF" | sed -n 's_^refs/tags/__p')"
+          if [ -z "$TAG" ]; then
+            echo "action must be run on a tag. GITHUB_REF is not a tag: $GITHUB_REF"
+            exit 1
+          fi
+          # Attempt to extract "1.2.3" from "v1.2.3" to maintain artifact name backwards compat.
+          # Otherwise, degrade to using full tag.
+          export VERSION="$(echo "$TAG" | sed 's_^v\([0-9]\+\.[0-9]\+\.[0-9]\+\)$_\1_')"
+          export ZSTD_VERSION="zstd-$VERSION"
+
+          # archive
+          git archive $TAG \
+              --prefix $ZSTD_VERSION/ \
+              --format tar \
+              -o $ZSTD_VERSION.tar
+
+          # Do the rest of the work in a sub-dir so we can glob everything we want to publish.
+          mkdir artifacts/
+          mv $ZSTD_VERSION.tar artifacts/
+          cd artifacts/
+
+          # compress
+          zstd -k -19 $ZSTD_VERSION.tar
+          gzip -k  -9 $ZSTD_VERSION.tar
+
+          # we only publish the compressed tarballs
+          rm $ZSTD_VERSION.tar
+
+          # hash
+          sha256sum $ZSTD_VERSION.tar.zst > $ZSTD_VERSION.tar.zst.sha256
+          sha256sum $ZSTD_VERSION.tar.gz  > $ZSTD_VERSION.tar.gz.sha256
+
+          # sign
+          if [ -n "$RELEASE_SIGNING_KEY" ]; then
+            export GPG_BATCH_OPTS="--batch --no-use-agent --pinentry-mode loopback --no-tty --yes"
+            echo "$RELEASE_SIGNING_KEY" | gpg $GPG_BATCH_OPTS --import
+            gpg $GPG_BATCH_OPTS --armor --sign --sign-with signing@zstd.net --detach-sig --passphrase "$RELEASE_SIGNING_KEY_PASSPHRASE" --output $ZSTD_VERSION.tar.zst.sig $ZSTD_VERSION.tar.zst
+            gpg $GPG_BATCH_OPTS --armor --sign --sign-with signing@zstd.net --detach-sig --passphrase "$RELEASE_SIGNING_KEY_PASSPHRASE" --output $ZSTD_VERSION.tar.gz.sig  $ZSTD_VERSION.tar.gz
+          fi
+
+      - name: Publish
+        uses: skx/github-action-publish-binaries@release-1.3
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          args: artifacts/*