1// Copyright 2019 Google LLC
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15// Package gapicgen provides some helpers for gapicgen binaries.
16package gapicgen
17
18import (
19	"fmt"
20	"os"
21	"os/exec"
22)
23
24// SetGitCreds sets credentials for gerrit.
25func SetGitCreds(githubName, githubEmail, gerritCookieName, gerritCookieValue string) error {
26	c := exec.Command("git", "config", "--global", "user.name", githubName)
27	c.Stdout = os.Stdout
28	c.Stderr = os.Stderr
29	c.Stdin = os.Stdin // Prevents "the input device is not a TTY" error.
30	c.Env = []string{
31		fmt.Sprintf("PATH=%s", os.Getenv("PATH")), // TODO(deklerk): Why do we need to do this? Doesn't seem to be necessary in other exec.Commands.
32		fmt.Sprintf("HOME=%s", os.Getenv("HOME")), // TODO(deklerk): Why do we need to do this? Doesn't seem to be necessary in other exec.Commands.
33	}
34	if err := c.Run(); err != nil {
35		return err
36	}
37
38	c = exec.Command("git", "config", "--global", "user.email", githubEmail)
39	c.Stdout = os.Stdout
40	c.Stderr = os.Stderr
41	c.Stdin = os.Stdin // Prevents "the input device is not a TTY" error.
42	c.Env = []string{
43		fmt.Sprintf("PATH=%s", os.Getenv("PATH")), // TODO(deklerk): Why do we need to do this? Doesn't seem to be necessary in other exec.Commands.
44		fmt.Sprintf("HOME=%s", os.Getenv("HOME")), // TODO(deklerk): Why do we need to do this? Doesn't seem to be necessary in other exec.Commands.
45	}
46	if err := c.Run(); err != nil {
47		return err
48	}
49
50	cmd := fmt.Sprintf(`
51set -ex
52
53eval 'set +o history' 2>/dev/null || setopt HIST_IGNORE_SPACE 2>/dev/null
54touch ~/.gitcookies
55chmod 0600 ~/.gitcookies
56
57git config --global http.cookiefile ~/.gitcookies
58
59tr , \\t <<\__END__ >>~/.gitcookies
60code.googlesource.com,FALSE,/,TRUE,2147483647,%s,%s
61code-review.googlesource.com,FALSE,/,TRUE,2147483647,%s,%s
62__END__
63eval 'set -o history' 2>/dev/null || unsetopt HIST_IGNORE_SPACE 2>/dev/null
64`, gerritCookieName, gerritCookieValue, gerritCookieName, gerritCookieValue)
65	c = exec.Command("/bin/bash", "-c", cmd)
66	c.Stdout = os.Stdout
67	c.Stderr = os.Stderr
68	c.Stdin = os.Stdin // Prevents "the input device is not a TTY" error.
69	c.Env = []string{
70		fmt.Sprintf("PATH=%s", os.Getenv("PATH")), // TODO(deklerk): Why do we need to do this? Doesn't seem to be necessary in other exec.Commands.
71		fmt.Sprintf("HOME=%s", os.Getenv("HOME")), // TODO(deklerk): Why do we need to do this? Doesn't seem to be necessary in other exec.Commands.
72	}
73	return c.Run()
74}
75