func syncDependencies(plugins *core.PluginJSON, l *log.Logger,
errChan chan errMsg) {
// Sync each of them to get dependencies
wg := &sync.WaitGroup{}
rand.Seed(time.Now().UTC().UnixNano())
for url, version := range plugins.Dependencies {
wg.Add(1)
go func(url, version string) {
defer wg.Done()
// Check out specific commit
var outB []byte
var errB error
if version != "*" {
l.Debug("checking out", url, "at", version)
p := filepath.Join(os.Getenv("GOPATH"), "src",
url)
c := fmt.Sprintf("git -C %s checkout %s", p, version)
outB, errB = exec.
Command("/bin/sh", "-c", c).
CombinedOutput()
if errB != nil {
l.Debug(string(outB))
errChan <- errMsg{msg: "", err: errB}
return
}
}
// Anonymously increment the plugin's download count
// at itsabot.org
l.Debug("incrementing download count", url)
p := struct{ Path string }{Path: url}
outB, errB = json.Marshal(p)
if errB != nil {
errChan <- errMsg{msg: "failed to build itsabot.org JSON.", err: errB}
return
}
var u string
u = os.Getenv("ITSABOT_URL") + "/api/plugins.json"
req, errB := http.NewRequest("PUT", u, bytes.NewBuffer(outB))
if errB != nil {
errChan <- errMsg{msg: "failed to build request to itsabot.org.", err: errB}
return
}
client := &http.Client{Timeout: 10 * time.Second}
resp, errB := client.Do(req)
if errB != nil {
errChan <- errMsg{msg: "failed to update itsabot.org.", err: errB}
return
}
defer func() {
if errB = resp.Body.Close(); errB != nil {
errChan <- errMsg{msg: "", err: errB}
}
}()
if resp.StatusCode != 200 {
l.Infof("WARN: %d - %s\n", resp.StatusCode,
resp.Status)
}
}(url, version)
}
wg.Wait()
// Ensure dependencies are still there with the latest checked out
// versions, and install the plugins
l.Info("Installing plugins...")
outC, err := exec.
Command("/bin/sh", "-c", "go get ./...").
CombinedOutput()
if err != nil {
errChan <- errMsg{msg: string(outC), err: err}
return
}
embedPluginConfs(plugins, l)
updateGlockfileAndInstall(l)
errChan <- errMsg{msg: "Success!"}
}
