Cleanup #214

	---
	name: Cleanup
	on:
	schedule:
	# Saturday 7:00
	- cron: "0 7 * * 6"

	jobs:
	clean:
	name: Clean caches
	timeout-minutes: 5

	strategy:
	fail-fast: false
	matrix:
	os:
	- ubuntu-20.04
	go-version:
	- 1.17.x
	- tip

	runs-on: ${{ matrix.os }}

	env:
	WORKDIR: "${{ github.workspace }}/gopath/src/gopkg.in/reform.v1"
	GOPATH: "${{ github.workspace }}/gopath"
	GOBIN: "${{ github.workspace }}/gopath/bin"
	GO111MODULE: "on"
	GOPROXY: "https://proxy.golang.org"

	steps:
	# Cache Go modules, build cache, installed packages and GOPATH sources
	# to significantly decreases total CI time. See also cleanup.yaml.
	- name: Enable Go cache
	uses: actions/cache@v2
	with:
	path: \|
	~/.cache/go-build
	${{ env.GOPATH }}/pkg
	${{ env.GOPATH }}/src/github.com
	${{ env.GOPATH }}/src/golang.org
	key: ${{ matrix.os }}-${{ matrix.go-version }}

	- name: Set up Go version ${{ matrix.go-version }}
	if: matrix.go-version != 'tip'
	uses: actions/setup-go@v2
	with:
	go-version: ${{ matrix.go-version }}

	- name: Set up Go tip
	if: matrix.go-version == 'tip'
	run: \|
	git clone --depth=1 https://go.googlesource.com/go $HOME/gotip
	cd $HOME/gotip/src
	./make.bash
	echo "GOROOT=$HOME/gotip" >> $GITHUB_ENV
	echo "$HOME/gotip/bin" >> $GITHUB_PATH
	echo "$GOBIN" >> $GITHUB_PATH

	- name: Check out code into GOPATH
	uses: actions/checkout@v2
	with:
	path: ${{ env.WORKDIR }}

	- name: Clean Go cache
	run: \|
	go clean -modcache
	go clean -cache
	rm -fr ${{ env.GOPATH }}

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