[CI/CD;DevEx]: Scope sample and source-change workflows to skip unnecessary jobs #180

	name: Go Client (Echo API)

	on:
	pull_request:
	# Determines whether this workflow fires at all. Keep in sync with all_samples: in the setup job below.
	paths:
	- samples/client/echo_api/go/**
	- .github/workflows/samples-go-client-echo-api.yaml
	jobs:
	setup:
	runs-on: ubuntu-latest
	outputs:
	matrix: ${{ steps.filter.outputs.matrix }}
	steps:
	- uses: actions/checkout@v5
	with:
	fetch-depth: 0
	- id: filter
	uses: ./.github/actions/compute-matrix
	with:
	# List of sample directories to consider building (one per line).
	# Action inputs don't support arrays, so this is a newline-delimited string parsed in the action script.
	# To add a new sample: add it here AND add a matching entry to the paths: trigger above.
	all_samples: \|
	samples/client/echo_api/go

	build:
	name: Test Go client
	needs: setup
	if: ${{ needs.setup.outputs.matrix != '[]' }}
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix: ${{ fromJson(needs.setup.outputs.matrix) }}
	steps:
	- uses: actions/checkout@v5
	- uses: actions/setup-go@v6
	with:
	go-version: "stable"
	- name: Setup node.js
	uses: actions/setup-node@v5
	- name: Run echo server
	run: \|
	git clone https://github.com/wing328/http-echo-server -b openapi-generator-test-server
	(cd http-echo-server && npm install && npm start &)
	- run: go version
	- name: Run test
	working-directory: ${{ matrix.sample }}
	run: go test -mod=mod -v

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