ci: support precheck for v15 #5

	name: precheck

	on:
	push:
	branches: [ POLARDB_15_STABLE ]
	paths:
	- '.github/workflows/precheck.yml'
	- 'config/**'
	- 'contrib/**'
	- 'external/**'
	- 'src/**'
	- 'configure*'
	- 'build.sh'
	pull_request:
	branches: [ POLARDB_15_STABLE ]
	paths:
	- '.github/workflows/precheck.yml'
	- 'config/**'
	- 'contrib/**'
	- 'external/**'
	- 'src/**'
	- 'configure*'
	- 'build.sh'
	# trigger testing manually
	workflow_dispatch:

	jobs:
	precheck:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	container_image: [ ubuntu20.04, ubuntu22.04, anolis8, rocky8 ]
	debug_mode: [ on, off ]
	steps:
	- name: fetch source code
	uses: actions/checkout@v4

	- name: create and start the container
	run: \|
	docker create \
	-t \
	--name polardb_${{ matrix.container_image }} \
	-v `pwd`:/home/postgres/PolarDB-for-PostgreSQL \
	polardb/polardb_pg_devel:${{ matrix.container_image }} \
	bash && \
	docker start polardb_${{ matrix.container_image }}

	- name: change ownership of the source code
	run: \|
	docker exec \
	polardb_${{ matrix.container_image }} \
	bash -c "cd /home/postgres/PolarDB-for-PostgreSQL && \
	sudo chown -R postgres:postgres ./"

	- name: build and run precheck
	run: \|
	docker exec \
	polardb_${{ matrix.container_image }} \
	bash -c "cd /home/postgres/PolarDB-for-PostgreSQL && \
	if [ -f /etc/bashrc ]; then source /etc/bashrc; fi && \
	cpu_count=$(nproc) && \
	./build.sh --ws=1 --wr=2 --debug=${{ matrix.debug_mode }} --jobs=$cpu_count --ec='--enable-tap-tests' && \
	make precheck"

	- name: change ownership of the source code back
	run: \|
	sudo chown -R runner:runner `pwd`

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