ci: updates docs push action by fetching tags & setting the correct tag (#1236)

.github/workflows/docs.yml

@@ -10,6 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - run: git fetch --depth=20 origin +refs/tags/*:refs/tags/*
       - uses: actions/setup-node@v1
         with:
           node-version: "12.x"

script/publish-docs

@@ -4,10 +4,13 @@
 set -e
 
 # Store the versions
-VERSION=$(git describe --tags --match "v[0-9]*" --abbrev=0 | sed 's/^v//')
+VERSION=$(git describe --tags $(git rev-list --tags --max-count=1) | sed 's/^v//')
 HEAD=$(git rev-parse HEAD)
 REPO=https://${OCTOKITBOT_PAT}@github.com/probot/probot.github.io.git
 
+echo "Version is $VERSION"
+echo "Head is $HEAD"
+
 # Generate docs
 npm run doc