👷‍♀️ Ask the registry whether a version is published

.github/workflows/ci.yml

@@ -25,6 +25,8 @@ jobs:
       run: npm rebuild && npm run prepare --if-present
     - name: Test
       run: npm test
+    - name: Check release script
+      run: bash -n release.sh
     - name: Release
       if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
       run: ./release.sh

release.sh

@@ -1,22 +1,20 @@
 #!/bin/bash
 
-VERSION=$(node -p "require('./package.json').version")
-
-git config --local user.email "github@reedsy.com"
-git config --local user.name "GitHub Action"
-git fetch --tags
+set -eo pipefail
 
-VERSION_COUNT=$(git tag --list $VERSION | wc -l)
+PACKAGE=$(node -p "require('./package.json').name")
+VERSION=$(node -p "require('./package.json').version")
 
-if [ $VERSION_COUNT -gt 0 ]
+if [ -n "$(npm view "$PACKAGE@$VERSION" version 2> /dev/null)" ]
 then
-  echo "Version $VERSION already deployed."
+  echo "Version $VERSION already published."
   exit 0
-else
-  echo "Deploying version $VERSION"
 fi
 
-git tag $VERSION
-git push origin refs/tags/$VERSION
+echo "Publishing version $VERSION"
+npm publish --tag latest
 
-npm publish
+if ! git tag "$VERSION" || ! git push origin "refs/tags/$VERSION"
+then
+  echo "Published $VERSION but could not tag it." >&2
+fi