WIP ci: Don't fail on personal fork action run

Author: selfhoster1312

.github/workflows/development.yml

@@ -13,6 +13,7 @@ permissions:
   pull-requests: read
 jobs:
   lint:
+    if: ${{ github.repository == 'matterbridge-org/matterbridge' }}
     name: golangci-lint
     runs-on: ubuntu-latest
     steps:
@@ -33,6 +34,29 @@ jobs:
         with:
           version: v2.1
           args: --build-tags=goolm --config=.golangci-incremental.yaml
+  lint_personal_fork:
+    if: ${{ github.repository != 'matterbridge-org/matterbridge' }}
+    name: golangci-lint (personal fork branch)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+      - run: "git remote add upstream https://github.com/matterbridge-org/matterbridge"
+      - run: "git fetch --depth=1 upstream master"
+      - run: "git branch __ci_upstream_master FETCH_HEAD"
+      - uses: actions/setup-go@v6
+        with:
+          go-version: 1.24.x
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v8
+        with:
+          version: v2.1
+          skip-cache: true
+          # Compare to upstream's master branch.
+          # It looks like Github Actions partial clones don't really like comparing
+          # with previous commit overwritten by a force push, which in any case does
+          # not really make sense when working on a feature branch.
+          args: >-
+            --build-tags=goolm --new-from-rev=__ci_upstream_master
   test:
     strategy:
       matrix:
@@ -51,6 +75,8 @@ jobs:
       - name: go test -tags goolm ./... (go version ${{ matrix.go-version }})
         run: go test -tags goolm ./...
   build-upload:
+    # Dont build artifacts for downstream branches not tracked by a PR
+    if: ${{ github.event_name == 'pull_request' || github.repository == 'matterbridge-org/matterbridge' }}
     # Uploading artifacts only if lint/test succeeded
     needs: [ "lint", "test" ]
     strategy: