| // Copyright 2012 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // The git-remote-persistent-https binary speeds up SSL operations by running |
| // a daemon job that keeps a connection open to a Git server. This ensures the |
| // git-remote-persistent-https--proxy is running and delegating execution |
| // to the git-remote-http binary with the http_proxy set to the daemon job. |
| // A unix socket is used to authenticate the proxy and discover the |
| // HTTP address. Note, both the client and proxy are included in the same |
| // binary. |
| package main |
| |
| import ( |
| "flag" |
| "fmt" |
| "log" |
| "os" |
| "strings" |
| "time" |
| ) |
| |
| var ( |
| forceProxy = flag.Bool("proxy", false, "Whether to start the binary in proxy mode") |
| proxyBin = flag.String("proxy_bin", "git-remote-persistent-https--proxy", "Path to the proxy binary") |
| printLabel = flag.Bool("print_label", false, "Prints the build label for the binary") |
| |
| // Variable that should be defined through the -X linker flag. |
| _BUILD_EMBED_LABEL string |
| ) |
| |
| const ( |
| defaultMaxIdleDuration = 24 * time.Hour |
| defaultPollUpdateInterval = 15 * time.Minute |
| ) |
| |
| func main() { |
| flag.Parse() |
| if *printLabel { |
| // Short circuit execution to print the build label |
| fmt.Println(buildLabel()) |
| return |
| } |
| |
| var err error |
| if *forceProxy || strings.HasSuffix(os.Args[0], "--proxy") { |
| log.SetPrefix("git-remote-persistent-https--proxy: ") |
| proxy := &Proxy{ |
| BuildLabel: buildLabel(), |
| MaxIdleDuration: defaultMaxIdleDuration, |
| PollUpdateInterval: defaultPollUpdateInterval, |
| } |
| err = proxy.Run() |
| } else { |
| log.SetPrefix("git-remote-persistent-https: ") |
| client := &Client{ |
| ProxyBin: *proxyBin, |
| Args: flag.Args(), |
| } |
| err = client.Run() |
| } |
| if err != nil { |
| log.Fatalln(err) |
| } |
| } |
| |
| func buildLabel() string { |
| if _BUILD_EMBED_LABEL == "" { |
| log.Println(`unlabeled build; build with "make" to label`) |
| } |
| return _BUILD_EMBED_LABEL |
| } |