build

update onError in definition.lua #2912

	name: build

	env:
	COSMOCC_VERSION: 3.9.2

	on:
	push:
	branches:
	- "master"
	- "flake"
	pull_request:
	branches:
	- "master"

	# run workflow manually from the Actions tab
	workflow_dispatch:

	jobs:
	matrix_on_mode:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	mode: ["", tiny, rel, tinylinux, optlinux]
	steps:
	- uses: actions/checkout@v4
	with:
	# Full checkout needed for git-restore-mtime-bare.
	fetch-depth: 0

	# TODO(jart): fork this action.
	- uses: chetan/git-restore-mtime-action@v2

	- uses: actions/cache/restore@v4
	id: cache
	with:
	path: \|
	.cosmocc
	o
	key: ${{ env.COSMOCC_VERSION }}-${{ matrix.mode }}-${{ github.sha }}
	restore-keys: \|
	${{ env.COSMOCC_VERSION }}-${{ matrix.mode }}-
	${{ env.COSMOCC_VERSION }}-

	- name: Restore mtimes
	if: steps.cache.outputs.cache-hit == 'true'
	run: \|
	while read mtime file; do
	[ -f "$file" ] && touch -d "@$mtime" "$file"
	done < o/.mtimes

	- name: support ape bins 1
	run: sudo cp -a build/bootstrap/ape.elf /usr/bin/ape

	- name: support ape bins 2
	run: sudo sh -c "echo ':APE:M::MZqFpD::/usr/bin/ape:' >/proc/sys/fs/binfmt_misc/register"

	- name: make matrix
	run: V=0 make -j2 MODE=${{ matrix.mode }}

	- name: Save mtimes
	run: \|
	find o -type f -exec stat -c "%Y %n" {} \; > o/.mtimes

	- uses: actions/cache/save@v4
	with:
	path: \|
	.cosmocc
	o
	key: ${{ env.COSMOCC_VERSION }}-${{ matrix.mode }}-${{ github.sha }}

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