route/vendor/github.com/magefile/mage/magefile.go

74 lines
1.8 KiB
Go

//+build mage
package main
import (
"bytes"
"fmt"
"log"
"time"
"github.com/magefile/mage/sh"
)
// Runs go install for mage. This generates the the version
// info the binary.
func Build() error {
ldf, err := flags()
if err != nil {
return err
}
return sh.Run("go", "install", "-ldflags="+ldf, "github.com/magefile/mage")
}
// Generates binaries for all supported platforms. Currently that means a
// combination of windows, linux, and OSX in 32 bit and 64 bit formats. The
// files will be dumped in the local directory with names according to their
// supported platform.
func BuildAll() error {
ldf, err := flags()
if err != nil {
return err
}
var ext string
for _, OS := range []string{"windows", "darwin", "linux"} {
if OS == "windows" {
ext = ".exe"
} else {
ext = ""
}
for _, ARCH := range []string{"amd64", "386"} {
log.Printf("running go build for GOOS=%s GOARCH=%s", OS, ARCH)
env := map[string]string{"GOOS": OS, "GOARCH": ARCH}
if err := sh.RunWith(env, "go", "build", "-o", "mage_"+OS+"_"+ARCH+ext, "--ldflags="+ldf); err != nil {
return err
}
}
}
return err
}
func flags() (string, error) {
timestamp := time.Now().Format(time.RFC3339)
hash := hash()
tag := tag()
if tag == "" {
tag = "dev"
}
return fmt.Sprintf(`-X "github.com/magefile/mage/mage.timestamp=%s" -X "github.com/magefile/mage/mage.commitHash=%s" -X "github.com/magefile/mage/mage.gitTag=%s"`, timestamp, hash, tag), nil
}
// tag returns the git tag for the current branch or "" if none.
func tag() string {
buf := &bytes.Buffer{}
_, _ = sh.Exec(nil, buf, nil, "git", "describe", "--tags")
return buf.String()
}
// hash returns the git hash for the current repo or "" if none.
func hash() string {
hash, _ := sh.Output("git", "rev-parse", "--short", "HEAD")
return hash
}