Reusing GitHub Action workflow steps inside another job - github

Question

I have created a Reusable Workflow using a workflow_call trigger, but I need to run additional steps based on its outcome.
Example:
jobs:
released:
steps:
- name: Build
uses: my-org/some-repo/.github/workflows/build.yml#main
- name: Upload source maps
run: something
The reusable Build step builds my JS app and produces source maps. Now I need to upload these source maps to somewhere as a separate step that should only run inside this Released job.
Doing the above results in the following error:
Error : .github#L1
reusable workflows should be referenced at the top-level `jobs.*.uses' key, not within steps
It only allows running my reusable workflow inside a job, not inside a step. But by doing that I can no longer access the source maps.
My question: How do I reuse the steps from the Build workflow and access its output inside the Released job?

Answer 1

You can share these output files between jobs using artifacts.
Use the upload-artifact to upload the build files from the Build workflow and download-artifact to download them in the Released workflow.
Build workflow
name: Build
on:
workflow_call:
secrets:
SOME_SECRET:
required: true
jobs:
build:
steps:
# Your build steps here
- name: Create build-output artifact
uses: actions/upload-artifact#master
with:
name: build-output
path: build/
Released workflow
name: Released
on:
push:
branches:
- main
jobs:
build:
uses: my-org/some-repo/.github/workflows/build.yml#main
secrets:
SOME_SECRET: ${{ secrets.SOME_SECRET }}
released:
needs: build
steps:
- name: Download build-output artifact
uses: actions/download-artifact#master
with:
name: build-output
path: build/
# The "build" directory is now available inside this job
- name: Upload source maps
run: something
Bonus tip: Note that the "my-org/some-repo/.github/workflows/build.yml#main" string is case-sensitive. I wasted some time figuring out that that was the cause of the error below.
Error : .github#L1
error parsing called workflow "my-org/some-repo/.github/workflows/build.yml#main": workflow was not found. See https://docs.github.com/en/actions/learn-github-actions/reusing-workflows#access-to-reusable-workflows for more information.