94 lines
1.6 KiB
Go
94 lines
1.6 KiB
Go
// Package golang is a source for Go
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package golang
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import (
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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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"github.com/micro/go-micro/v2/runtime/local/source"
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)
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type Source struct {
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Options source.Options
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// Go Command
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Cmd string
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Path string
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}
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func (g *Source) Fetch(url string) (*source.Repository, error) {
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purl := url
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if parts := strings.Split(url, "://"); len(parts) > 1 {
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purl = parts[len(parts)-1]
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}
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// name of repo
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name := filepath.Base(url)
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// local path of repo
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path := filepath.Join(g.Path, purl)
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args := []string{"get", "-d", url, path}
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cmd := exec.Command(g.Cmd, args...)
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if err := cmd.Run(); err != nil {
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return nil, err
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}
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return &source.Repository{
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Name: name,
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Path: path,
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URL: url,
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}, nil
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}
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// Commit is not yet supported
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func (g *Source) Commit(r *source.Repository) error {
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return nil
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}
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func (g *Source) String() string {
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return "golang"
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}
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// whichGo locates the go command
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func whichGo() string {
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// check GOROOT
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if gr := os.Getenv("GOROOT"); len(gr) > 0 {
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return filepath.Join(gr, "bin", "go")
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}
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// check path
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for _, p := range filepath.SplitList(os.Getenv("PATH")) {
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bin := filepath.Join(p, "go")
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if _, err := os.Stat(bin); err == nil {
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return bin
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}
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}
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// best effort
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return "go"
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}
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func NewSource(opts ...source.Option) source.Source {
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options := source.Options{
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Path: os.TempDir(),
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}
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for _, o := range opts {
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o(&options)
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}
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cmd := whichGo()
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path := options.Path
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// point of no return
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if len(cmd) == 0 {
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panic("Could not find Go executable")
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}
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return &Source{
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Options: options,
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Cmd: cmd,
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Path: path,
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}
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}
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