fix(tooling): skip deploys in fork PRs (#1166)

.github/workflows/main.yml

@@ -1,6 +1,12 @@
 name: CI 
 
-on: [push]
+on:
+  push:
+    branches:
+      - "master"
+  pull_request:
+    branches:
+      - "*"
 
 jobs:
   deploy:
@@ -15,7 +21,6 @@ jobs:
       - uses: actions/setup-node@v2-beta
         with:
           node-version: '12'
-
       # get lotus deps...
       - run: sudo apt install bzr
 
@@ -26,6 +31,7 @@ jobs:
       # Pin the built site to ipfs-cluster, output the cid as `steps.ipfs.outputs.cid`
       # see: https://github.com/ipfs-shipyard/ipfs-github-action
       - uses: ipfs-shipyard/ipfs-github-action@v2.0.0
+        if: github.event.pull_request == 0 || github.event.pull_request.head.repo.full_name == github.repository
         id: ipfs
         with:
           path_to_add: public
@@ -37,12 +43,9 @@ jobs:
 
       - run: echo /ipfs/${{ steps.ipfs.outputs.cid }}
 
-      - run: echo ${{ github.ref }}
-
       # Update the dnslink if changes to the current branch should go live
       # see https://github.com/ipfs-shipyard/js-dnslink-dnsimple
       - run: npx dnslink-dnsimple --domain spec.filecoin.io --link /ipfs/${{ steps.ipfs.outputs.cid }}
+        if: github.ref == 'refs/heads/master'
         env:
           DNSIMPLE_TOKEN: ${{ secrets.DNSIMPLE_TOKEN }}
-        # TODO: change to master once merged.
-        if: github.ref == 'refs/heads/master'