-
-
Notifications
You must be signed in to change notification settings - Fork 10
/
update.go
123 lines (105 loc) · 3.02 KB
/
update.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
package actions
import (
"drawbridge/pkg/config"
"drawbridge/pkg/errors"
"drawbridge/pkg/utils"
"drawbridge/pkg/version"
"encoding/json"
"fmt"
"github.com/fatih/color"
"github.com/inconshreveable/go-update"
"io/ioutil"
"net/http"
"os"
"runtime"
"time"
)
type UpdateAction struct {
Config config.Interface
}
type GithubReleaseInfo struct {
TagName string `json:"tag_name"`
PublishedAt time.Time `json:"published_at"`
ReleaseNotesUrl string `json:"html_url"`
Assets []struct {
Url string `json:"browser_download_url"`
Name string `json:"name"`
} `json:"assets"`
}
// https://github.com/hyperhq/hypercli/blob/302a6b530148f6a777cd6b8772f706ab5e3da46b/pkg/selfupdate/selfupdate.go
// https://github.com/hyperhq/hypercli/blob/302a6b530148f6a777cd6b8772f706ab5e3da46b/hyper/hyper.go
// https://github.com/inconshreveable/go-update
//
func (e *UpdateAction) Start() error {
latestReleaseReq, err := http.Get("https://api.github.com/repos/AnalogJ/drawbridge/releases/latest")
if err != nil {
return err
}
defer latestReleaseReq.Body.Close()
respBodyJson, err := ioutil.ReadAll(latestReleaseReq.Body)
if err != nil {
return err
}
//parse json
releaseInfo := GithubReleaseInfo{}
err = json.Unmarshal(respBodyJson, &releaseInfo)
if err != nil {
return err
}
//compare the current version to the destination version
currentTimestamp, err := e.currentBinaryTimestamp()
if err != nil {
return err
}
fmt.Printf("Current: %v [%v]. Available: %v [%v]\nRelease notes are available here: %v\n",
e.currentBinaryVersion(),
currentTimestamp.Format("2006-01-02"),
releaseInfo.TagName,
releaseInfo.PublishedAt.Format("2006-01-02"),
releaseInfo.ReleaseNotesUrl,
)
if releaseInfo.TagName == e.currentBinaryVersion() {
return errors.UpdateNotAvailableError("No new version found.")
}
//see if theres a binary for this OS/Arch
assetUrl := ""
requiredOsArch := fmt.Sprintf("drawbridge-%v-%v", runtime.GOOS, runtime.GOARCH)
for _, asset := range releaseInfo.Assets {
if asset.Name == requiredOsArch {
assetUrl = asset.Url
}
}
if len(assetUrl) == 0 {
return errors.UpdateBinaryOsArchMissingError(fmt.Sprintf("Cannot find a drawbridge binary for OS/Arch: %v", requiredOsArch))
}
val := utils.StdinQueryBoolean(fmt.Sprintf("Are you sure you would like to update drawbridge to %v?\nPlease confirm [yes/no]:", releaseInfo.TagName))
if !val {
color.Red("Cancelled delete operation.")
return nil
}
releaseBinaryReq, err := http.Get(assetUrl)
if err != nil {
return err
}
defer releaseBinaryReq.Body.Close()
err = update.Apply(releaseBinaryReq.Body, update.Options{})
if err != nil {
// error handling
return err
}
return nil
}
func (e *UpdateAction) currentBinaryTimestamp() (time.Time, error) {
execPath, err := os.Executable()
if err != nil {
return time.Time{}, err
}
info, err := os.Stat(execPath)
if err != nil {
return time.Time{}, err
}
return info.ModTime(), err
}
func (e *UpdateAction) currentBinaryVersion() string {
return fmt.Sprintf("v%v", version.VERSION)
}