From 6c67533a0ef6fa447176e3e9c1656df701469b42 Mon Sep 17 00:00:00 2001
From: Gerard Casas Saez <casassaez@gmail.com>
Date: Mon, 17 Apr 2023 17:38:21 -0600
Subject: [PATCH] Update CI to skip matrix if no job needed (#236)

* Update CI to skip matrix if no job needed

* fix up ci.yml

* use ubuntu-latest for all workflows
---
 .github/workflows/ci.yml          | 3 ++-
 .github/workflows/ci_examples.yml | 3 ++-
 .github/workflows/release.yml     | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 51c0bebe..db85f130 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,12 +49,13 @@ jobs:
     - name: Filter projects
       id: set-matrix
       run: |
-        echo "::set-output name=projects::$(python ./.github/workflows/filter_projects.py $HOME/files.json)"
+        echo "projects=$(python ./.github/workflows/filter_projects.py $HOME/files.json)" >> $GITHUB_OUTPUT
 
   ci:
     runs-on: ubuntu-latest
     needs: filter_projects
     timeout-minutes: 60
+    if: needs.filter_examples.outputs.projects != '[]'
     strategy:
       # Test for each project in parallel using ci_max and ci_min to ensure 
       # tested in range of tfx/tensorflow supported versions
diff --git a/.github/workflows/ci_examples.yml b/.github/workflows/ci_examples.yml
index 9f5b540d..6e149bbb 100644
--- a/.github/workflows/ci_examples.yml
+++ b/.github/workflows/ci_examples.yml
@@ -49,11 +49,12 @@ jobs:
     - name: Filter example projects
       id: set-matrix
       run: |
-        echo "::set-output name=projects::$(python ./.github/workflows/filter_examples.py $HOME/files.json)"
+        echo "projects=$(python ./.github/workflows/filter_examples.py $HOME/files.json)" >> $GITHUB_OUTPUT
   ci-examples:
     runs-on: ubuntu-latest
     needs: filter_examples
     timeout-minutes: 60
+    if: needs.filter_examples.outputs.projects != '[]'
     strategy:
       # Test for each project in parallel using ci_max and ci_min to ensure 
       # tested in range of tfx/tensorflow supported versions
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3bdb975a..a711fc36 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ on:
 jobs:
   build-and-publish:
     name: Build TFX Addons PyPI package and release to PyPI and TestPyPI
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python 3.7