Release yaml generated from https://github.com/tektoncd/pipelines-as-… #1007

	name: Create and publish a Docker image to ghcr on main and nightly with ko

	on:
	push:
	paths:
	- "cmd/**"
	- "pkg/**"
	- "vendor/**"
	- "go.mod"
	- "go.sum"
	- ".ko.yaml"
	- ".github/workflows/container.yaml"
	# For testing when pushing to the main repo directly on pr
	# pull_request:
	# paths:
	# - "cmd/**"
	# - "pkg/**"
	# - "vendor/**"
	# - "go.mod"
	# - "go.sum"
	# - ".ko.yaml"
	# - ".github/workflows/container.yaml"
	env:
	PLATFORMS: linux/amd64,linux/arm64,linux/ppc64le

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	steps:
	- name: Checkout repository
	uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
	with:
	persist-credentials: false

	- name: Set up Go
	uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6
	with:
	go-version-file: "go.mod"

	- uses: ko-build/setup-ko@d006021bd0c28d1ce33a07e7943d48b079944c8d # v0.9

	- name: Build and push images
	shell: bash
	run: \|
	set -x
	releaseBranchFormat='release-v'
	if [[ ${GITHUB_REF_NAME} == ${releaseBranchFormat}* ]]; then
	tag=v$(echo ${GITHUB_REF_NAME}\|sed "s,${releaseBranchFormat},,")
	elif [[ ${GITHUB_REF} == refs/pull/* ]]; then
	tag=pr-$(echo ${GITHUB_REF} \| cut -c11-\|sed 's,/merge,,')
	else
	# Sanitize the tag by replacing invalid characters with hyphens
	tag=$(echo ${GITHUB_REF_NAME}\|sed 's,/merge,,' \| sed 's,[/.],-,g')
	fi
	for image in ./cmd/*;do
	ko build -B -t "${tag}" --platform="${{ env.PLATFORMS }}" "${image}"
	done

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