From 6e758b284b9527f4c14bf3fc6cd0819e4f48d228 Mon Sep 17 00:00:00 2001
From: Kyle Harding <kyle@balena.io>
Date: Thu, 4 Apr 2024 22:38:04 -0400
Subject: [PATCH] Pre-process files list for conditional steps

Change-type: minor
Signed-off-by: Kyle Harding <kyle@balena.io>
---
 .github/workflows/flowzone.yml | 17 +++++++++++++++++
 flowzone.yml                   | 18 ++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/.github/workflows/flowzone.yml b/.github/workflows/flowzone.yml
index 666f85f45..95b39766f 100644
--- a/.github/workflows/flowzone.yml
+++ b/.github/workflows/flowzone.yml
@@ -624,12 +624,29 @@ jobs:
         uses: docker://rhysd/actionlint:1.6.27
         with:
           args: -color -shellcheck=
+  process_files:
+    name: Process files
+    runs-on: ${{ fromJSON(inputs.runs_on) }}
+    timeout-minutes: ${{ fromJSON(inputs.jobs_timeout_minutes) }}
+    defaults:
+      run:
+        working-directory: ${{ inputs.working_directory }}
+        shell: bash --noprofile --norc -eo pipefail -x {0}
+    outputs:
+      json: ${{ steps.process_files.outputs.json }}
+    steps:
+      - name: Generate file list json
+        id: process_files
+        run: |
+          echo "json=$(git ls-files | jq -R -s -c 'split("\n")[:-1]')" >> $GITHUB_OUTPUT
   is_npm:
     name: Is npm
     runs-on: ${{ fromJSON(inputs.runs_on) }}
     timeout-minutes: ${{ fromJSON(inputs.jobs_timeout_minutes) }}
     needs:
       - versioned_source
+      - process_files
+    if: contains(fromJSON(needs.process_files.outputs.json), 'package.json')
     defaults:
       run:
         working-directory: ${{ inputs.working_directory }}
diff --git a/flowzone.yml b/flowzone.yml
index b9750c09c..795d93e02 100644
--- a/flowzone.yml
+++ b/flowzone.yml
@@ -1209,6 +1209,22 @@ jobs:
           # disable shellcheck for now
           args: -color -shellcheck=
 
+  process_files:
+    name: Process files
+    runs-on: ${{ fromJSON(inputs.runs_on) }}
+    timeout-minutes: ${{ fromJSON(inputs.jobs_timeout_minutes) }}
+
+    <<: *customWorkingDirectory
+
+    outputs:
+      json: ${{ steps.process_files.outputs.json }}
+
+    steps:
+      - name: Generate file list json
+        id: process_files
+        run: |
+          echo "json=$(git ls-files | jq -R -s -c 'split("\n")[:-1]')" >> $GITHUB_OUTPUT
+
   # check if the repository has a package.json file and which engine versions are supported
   is_npm:
     name: Is npm
@@ -1216,6 +1232,8 @@ jobs:
     timeout-minutes: ${{ fromJSON(inputs.jobs_timeout_minutes) }}
     needs:
       - versioned_source
+      - process_files
+    if: contains(fromJSON(needs.process_files.outputs.json), 'package.json')
 
     <<: *customWorkingDirectory