ci: first cut of running tests on macOS

.github/workflows/test.yml

@@ -59,3 +59,31 @@ jobs:
       with:
         path: /home/runner/.artefacts
         name: ${{ matrix.os }}_${{ matrix.go_version }}_${{ matrix.vim_flavor }}_${{ matrix.vim_version }}
+
+  test-macos:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest]
+        go_version: ['1.14.x']
+        vim_version: ["master"]
+    runs-on: ${{ matrix.os }}
+    env:
+      VIM_FLAVOR: vim
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@722adc63f1aa60a57ec37892e133b1d319cae598
+    - name: Install Vim
+      uses: ./github/actions/setupvim
+      with:
+        version: ${{ matrix.vim_version }}
+    - name: Install Go
+      uses: actions/setup-go@9fbc767707c286e568c92927bbf57d76b73e0892
+      with:
+        go-version: ${{ matrix.go_version }}
+    - name: Vim version
+      run: vim --version
+    - name: Go version
+      run: go version
+    - name: Run tests
+      run: go run ./internal/cmd/dots go test -timeout 0s ./...

github/actions/setupvim/README.md

@@ -0,0 +1,3 @@
+### `github.com/govim/govim/github/actions/setupvim`
+
+`setupvim` is a pure Go GitHub Action for install Vim on various platforms. It is a work-in-progress.

github/actions/setupvim/action.yml

@@ -0,0 +1,13 @@
+name: 'Setup Vim'
+description: 'Setup Vim in your workflow'
+inputs:
+  version:
+    description: >
+      Version of Vim to install. Valid values are git refs (e.g. 'master', a branch name or commit hash)
+      or version tags (e.g. 'v8.2.0126')
+    required: false
+    default: 'master'
+
+runs:
+  using: 'node12'
+  main: 'index.js'

github/actions/setupvim/go.mod

@@ -0,0 +1,5 @@
+module github.com/govim/govim/github/actions/setupvim
+
+go 1.14
+
+require github.com/sethvargo/go-githubactions v0.1.1

github/actions/setupvim/go.sum

@@ -0,0 +1,2 @@
+github.com/sethvargo/go-githubactions v0.1.1 h1:u75rV0C+AvNjEUE4maSN844/U5eiy9Rlc3ahOU4EAfE=
+github.com/sethvargo/go-githubactions v0.1.1/go.mod h1:ugCoIFQjs7HxIwwYiY7ty6H9T+7Z4ey481HxqA3VRKE=

github/actions/setupvim/index.js

@@ -0,0 +1,22 @@
+"use strict";
+
+const spawn = require("child_process").spawn;
+
+async function run() {
+	var args = Array.prototype.slice.call(arguments);
+	const cmd = spawn(args[0], args.slice(1), {
+		stdio: "inherit",
+		cwd: __dirname
+	});
+	const exitCode = await new Promise((resolve, reject) => {
+		cmd.on("close", resolve);
+	});
+	if (exitCode != 0) {
+		process.exit(exitCode);
+	}
+}
+
+(async function() {
+	const path = require("path");
+	await run("go", "run", ".");
+})();

github/actions/setupvim/main.go

@@ -0,0 +1,56 @@
+// setupvim is a pure Go GitHub Action for install Vim on various platforms. It
+// is a work-in-progress.
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strconv"
+
+	"github.com/sethvargo/go-githubactions"
+)
+
+const debug = true
+
+func main() {
+	os.Exit(main1())
+}
+
+func main1() int {
+	if err := mainerr(); err != nil {
+		switch err := err.(type) {
+		case runCmdErr:
+			ee := err.error.(*exec.ExitError)
+			return ee.ProcessState.ExitCode()
+		default:
+			fmt.Fprintln(os.Stderr, err)
+			return 1
+		}
+	}
+	return 0
+}
+
+func mainerr() error {
+	td := tempDir("", "")
+	if !debug {
+		defer os.RemoveAll(td)
+	}
+	version := "master"
+	if v := githubactions.GetInput("version"); v != "" {
+		version = v
+	}
+	cmd("git", "clone", "-q", "--depth=1", "--single-branch", "--branch", version, "https://github.com/vim/vim", td).run()
+	id := tempDir("", "")
+	if !debug {
+		defer os.RemoveAll(id)
+	}
+	cmd("./configure", "--prefix="+id, "--with-features=huge", "--enable-fail-if-missing").runInDir(td)
+	cmd("make", "-j", strconv.Itoa(runtime.NumCPU())).runInDir(td)
+	cmd("make", "install").runInDir(td)
+	bin := filepath.Join(id, "bin")
+	githubactions.SetEnv("PATH", bin+string(os.PathListSeparator)+os.Getenv("PATH"))
+	return nil
+}

github/actions/setupvim/util.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+)
+
+type command struct {
+	cmd *exec.Cmd
+}
+
+type runCmdErr struct {
+	error
+}
+
+func cmd(cmdname string, args ...string) *command {
+	cmd := exec.Command(cmdname, args...)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	return &command{
+		cmd: cmd,
+	}
+}
+
+func (c *command) run() {
+	format := "> "
+	wd, err := os.Getwd()
+	check(err, "failed to get working directory: %v", err)
+	runDir := wd
+	if d := c.cmd.Dir; d != "" {
+		rd, err := filepath.Abs(d)
+		check(err, "failed to make %v absolute: %v", d, err)
+		runDir = rd
+	}
+	if wd != runDir {
+		format += fmt.Sprintf("cd %v; ", runDir)
+	}
+	format += "%v\n"
+	fmt.Printf(format, strings.Join(c.cmd.Args, " "))
+	if err := c.cmd.Run(); err != nil {
+		panic(runCmdErr{err})
+	}
+}
+
+func (c *command) runInDir(dir string) {
+	c.cmd.Dir = dir
+	c.run()
+}
+
+func tempDir(dir, pattern string) string {
+	td, err := ioutil.TempDir(dir, pattern)
+	check(err, "failed to create temp dir: %v", err)
+	return td
+}
+
+func check(err error, format string, args ...interface{}) {
+	if err != nil {
+		panic(fmt.Errorf(format, args...))
+	}
+}

internal/cmd/genconfig/genconfig.go

@@ -303,6 +303,34 @@ jobs:
       with:
         path: /home/runner/.artefacts
         name: ${{ matrix.os }}_${{ matrix.go_version }}_${{ matrix.vim_flavor }}_${{ matrix.vim_version }}
+
+  test-macos:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest]
+        go_version: ['1.14.x']
+        vim_version: ["master"]
+    runs-on: ${{ matrix.os }}
+    env:
+      VIM_FLAVOR: vim
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@722adc63f1aa60a57ec37892e133b1d319cae598
+    - name: Install Vim
+      uses: ./github/actions/setupvim
+      with:
+        version: ${{ matrix.vim_version }}
+    - name: Install Go
+      uses: actions/setup-go@9fbc767707c286e568c92927bbf57d76b73e0892
+      with:
+        go-version: ${{ matrix.go_version }}
+    - name: Vim version
+      run: vim --version
+    - name: Go version
+      run: go version
+    - name: Run tests
+      run: go run ./internal/cmd/dots go test -timeout 0s ./...
 `
 
 const maxVersions = `# Code generated by genconfig. DO NOT EDIT.