fix(CI): Run CI based on conditional changes

Signed-off-by: Anurag Rajawat <[email protected]>

.github/workflows/pr-checks.yaml

@@ -4,6 +4,10 @@
 name: PR checks
 
 on:
+  push:
+    branches:
+      - fix-ci
+      - main
   pull_request:
     types: [ opened, reopened, synchronize, ready_for_review ]
     paths-ignore:
@@ -29,6 +33,9 @@ jobs:
   static-checks:
     name: Static checks
     runs-on: ubuntu-latest
+    outputs:
+      nimbus: ${{ steps.filter.outputs.nimbus}}
+      adapters: ${{ steps.filter.outputs.adapters }}
     steps:
       - uses: actions/checkout@v3
 
@@ -37,10 +44,29 @@ jobs:
         with:
           go-version: '1.22'
 
+      # Checks to see if any files in the PR match one of the listed file types.
+      # We can use this filter to decide whether to run linters, tests or build container image.
+      # You can check if a file with a listed file type is in the PR by doing:
+      # if: ${{ steps.filter.outputs.nimbus == 'true' }}
+      - name: Detect what files changed
+        uses: dorny/[email protected]
+        id: filter
+        with:
+          filters: |
+            nimbus:
+              - 'api/**'
+              - 'cmd/**'
+              - 'internal/**'
+              - 'pkg/processor/**'
+            adapters:
+              - 'pkg/adapter/**'
+
       - name: go fmt
+        if: ${{ steps.filter.outputs.nimbus == 'true' ||  steps.filter.outputs.adapters == 'true' }}
         run: make fmt
 
       - name: Lint
+        if: ${{ steps.filter.outputs.nimbus == 'true' ||  steps.filter.outputs.adapters == 'true' }}
         id: lint
         uses: golangci/golangci-lint-action@v3
         with:
@@ -49,6 +75,7 @@ jobs:
           skip-cache: true # https://github.com/golangci/golangci-lint-action/issues/244#issuecomment-1052197778
 
   go-sec:
+    if: ${{ steps.filter.outputs.nimbus == 'true' ||  steps.filter.outputs.adapters == 'true' }}
     runs-on: ubuntu-latest
     permissions:
       security-events: write
@@ -70,6 +97,7 @@ jobs:
           sarif_file: results.sarif
 
   build-nimbus-image:
+    if: ${{ steps.filter.outputs.nimbus == 'true' }}
     name: Build Nimbus Operator image
     runs-on: ubuntu-latest
     timeout-minutes: 20
@@ -81,6 +109,7 @@ jobs:
         run: make docker-build
 
   build-adapters-image:
+    if: ${{ steps.filter.outputs.adapters == 'true' }}
     strategy:
       matrix:
         adapters: [ "nimbus-kubearmor", "nimbus-netpol", "nimbus-kyverno" ]
@@ -96,6 +125,7 @@ jobs:
         run: make docker-build
 
   chainsaw-integration-tests:
+    if: ${{ steps.filter.outputs.nimbus == 'true' }}
     name: Integration-Test
     runs-on: ubuntu-latest
     steps:
@@ -131,6 +161,7 @@ jobs:
           run: make integration-test
 
   chainsaw-e2e-tests:
+    if: ${{ steps.filter.outputs.nimbus == 'true' || steps.filter.outputs.adapters == 'true' }}
     name: E2E-Test
     runs-on: ubuntu-latest
     steps: