94 lines
1.6 KiB
Go
94 lines
1.6 KiB
Go
// Package golang is a source for Go
|
|
package golang
|
|
|
|
import (
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/micro/go-micro/runtime/local/source"
|
|
)
|
|
|
|
type Source struct {
|
|
Options source.Options
|
|
// Go Command
|
|
Cmd string
|
|
Path string
|
|
}
|
|
|
|
func (g *Source) Fetch(url string) (*source.Repository, error) {
|
|
purl := url
|
|
|
|
if parts := strings.Split(url, "://"); len(parts) > 1 {
|
|
purl = parts[len(parts)-1]
|
|
}
|
|
|
|
// name of repo
|
|
name := filepath.Base(url)
|
|
// local path of repo
|
|
path := filepath.Join(g.Path, purl)
|
|
args := []string{"get", "-d", url, path}
|
|
|
|
cmd := exec.Command(g.Cmd, args...)
|
|
if err := cmd.Run(); err != nil {
|
|
return nil, err
|
|
}
|
|
return &source.Repository{
|
|
Name: name,
|
|
Path: path,
|
|
URL: url,
|
|
}, nil
|
|
}
|
|
|
|
// Commit is not yet supported
|
|
func (g *Source) Commit(r *source.Repository) error {
|
|
return nil
|
|
}
|
|
|
|
func (g *Source) String() string {
|
|
return "golang"
|
|
}
|
|
|
|
// whichGo locates the go command
|
|
func whichGo() string {
|
|
// check GOROOT
|
|
if gr := os.Getenv("GOROOT"); len(gr) > 0 {
|
|
return filepath.Join(gr, "bin", "go")
|
|
}
|
|
|
|
// check path
|
|
for _, p := range filepath.SplitList(os.Getenv("PATH")) {
|
|
bin := filepath.Join(p, "go")
|
|
if _, err := os.Stat(bin); err == nil {
|
|
return bin
|
|
}
|
|
}
|
|
|
|
// best effort
|
|
return "go"
|
|
}
|
|
|
|
func NewSource(opts ...source.Option) source.Source {
|
|
options := source.Options{
|
|
Path: os.TempDir(),
|
|
}
|
|
for _, o := range opts {
|
|
o(&options)
|
|
}
|
|
|
|
cmd := whichGo()
|
|
path := options.Path
|
|
|
|
// point of no return
|
|
if len(cmd) == 0 {
|
|
panic("Could not find Go executable")
|
|
}
|
|
|
|
return &Source{
|
|
Options: options,
|
|
Cmd: cmd,
|
|
Path: path,
|
|
}
|
|
}
|