ci: pass if relavant files have not been changed (#98)

Signed-off-by: ktro2828 <kotaro.uetake@tier4.jp>

.github/workflows/build-and-test.yaml

@@ -8,20 +8,17 @@ on:
   workflow_dispatch:
 
 jobs:
-  need-ci:
+  build-and-test:
     runs-on: ubuntu-latest
-    timeout-minutes: 5
-    outputs:
-      changes: ${{ steps.changes.outputs.changes }}
+    continue-on-error: true
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.12"]
 
     steps:
-      - name: Checkout Code
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-      - name: Filter paths
+      - name: Check if relevant files have been changed
         uses: dorny/paths-filter@v3
-        id: changes
+        id: is-changed
         with:
           filters: |
             changes:
@@ -30,34 +27,28 @@ jobs:
               - t4_devkit/**
               - tests/**
 
-  build-and-test:
-    runs-on: ubuntu-latest
-    continue-on-error: true
-    strategy:
-      matrix:
-        python-version: ["3.10", "3.12"]
-    needs:
-      - need-ci
-    if: (!failure()) && (needs.need-ci.outputs.changes == 'true')
-
-    steps:
       - name: Checkout code
+        if: ${{ steps.is-changed.outputs.changes == 'true'}}
         uses: actions/checkout@v4
 
       - name: Define a cache dependency glob
+        if: ${{ steps.is-changed.outputs.changes == 'true'}}
         uses: astral-sh/setup-uv@v5
         with:
           python-version: ${{ matrix.python-version }}
           enable-cache: true
           cache-dependency-glob: "**/pyproject.toml"
 
       - name: Install the project
+        if: ${{ steps.is-changed.outputs.changes == 'true'}}
         run: uv sync
 
       - name: Run tests
+        if: ${{ steps.is-changed.outputs.changes == 'true'}}
         run: uv run pytest --cov-report xml:coverage.xml --cov=t4_devkit
 
       - name: Get test coverage
+        if: ${{ steps.is-changed.outputs.changes == 'true'}}
         uses: orgoro/coverage@v3.1
         continue-on-error: true
         with: