162 lines
3.3 KiB
Go
162 lines
3.3 KiB
Go
// +build ignore
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// This program builds Drone.
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// $ go run make.go build test
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//
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// The output binaries go into the ./bin/ directory (under the
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// project root, where make.go is)
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package main
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import (
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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)
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var (
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version = "0.4"
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sha = rev()
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)
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// list of all posible steps that can be executed
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// as part of the build process.
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var steps = map[string]step{
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"scripts": scripts,
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"styles": styles,
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"json": json,
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"embed": embed,
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"vet": vet,
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"build": build,
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"test": test,
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"image": image,
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}
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func main() {
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for _, arg := range os.Args[1:] {
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step, ok := steps[arg]
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if !ok {
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fmt.Println("error: invalid step", arg)
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os.Exit(1)
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}
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err := step()
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if err != nil {
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fmt.Println("error: failed step", arg)
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os.Exit(1)
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}
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}
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}
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type step func() error
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// embed step embeds static files in .go files.
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func embed() error {
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// embed drone.{revision}.css
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// embed drone.{revision}.js
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return nil
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}
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// scripts step concatinates all javascript files.
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func scripts() error {
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// concatinate scripts
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return nil
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}
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// styles step concatinates the css files.
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func styles() error {
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// concatinate styles
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// inject css variables?
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return nil
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}
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// json step generates optimized json marshal and
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// unmarshal functions to override defaults.
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func json() error {
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return nil
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}
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// build step creates the application binaries.
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func build() error {
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var bins = []struct {
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input string
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output string
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}{
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{"github.com/drone/drone/cmd/drone-server", "bin/drone"},
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{"github.com/drone/drone/cmd/drone-agent", "bin/drone-agent"},
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{"github.com/drone/drone/cmd/drone-build", "bin/drone-build"},
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}
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for _, bin := range bins {
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ldf := fmt.Sprintf("-X main.revision=%s -X main.version=%s", sha, version)
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cmd := exec.Command("go", "build", "-o", bin.output, "-ldflags", ldf, bin.input)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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trace(cmd.Args)
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err := cmd.Run()
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if err != nil {
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return err
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}
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}
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return nil
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}
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// vet step executes the `go vet` command
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func vet() error {
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cmd := exec.Command("go", "vet",
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"github.com/drone/drone/pkg/...",
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"github.com/drone/drone/cmd/...")
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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trace(cmd.Args)
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return cmd.Run()
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}
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// test step executes unit tests and coverage.
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func test() error {
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cmd := exec.Command("go", "test", "-cover", "./pkg/...")
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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trace(cmd.Args)
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return cmd.Run()
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}
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// image step builds Docker images.
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func image() error {
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var images = []struct {
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dir string
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name string
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}{
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{"./bin/drone-agent", "drone/drone-agent"},
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{"./bin/drone-server", "drone/drone"},
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}
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for _, image := range images {
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path := filepath.Join(image.dir, "Dockerfile")
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name := image.name + ":" + version
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cmd := exec.Command("docker", "build", "-rm", path, name)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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trace(cmd.Args)
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err := cmd.Run()
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if err != nil {
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return err
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}
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}
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return nil
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}
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// trace is a helper fucntion that writes a command
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// to stdout similar to bash +x
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func trace(args []string) {
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print("+ ")
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println(strings.Join(args, " "))
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}
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// helper function to parse the git revision
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func rev() string {
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cmd := exec.Command("git", "rev-parse", "--short", "HEAD")
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raw, err := cmd.CombinedOutput()
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if err != nil {
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return "HEAD"
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}
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return strings.Trim(string(raw), "\n")
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}
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