aboutsummaryrefslogtreecommitdiff
path: root/main.go
blob: eeedf54c2741920c6819c0398eb6f216367c41df (plain)
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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2016 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

// Gitea (git with a cup of tea) is a painless self-hosted Git Service.
package main // import "code.gitea.io/gitea"

import (
	"fmt"
	"os"
	"runtime"
	"strings"
	"time"

	"code.gitea.io/gitea/cmd"
	"code.gitea.io/gitea/modules/log"
	"code.gitea.io/gitea/modules/setting"

	// register supported doc types
	_ "code.gitea.io/gitea/modules/markup/asciicast"
	_ "code.gitea.io/gitea/modules/markup/console"
	_ "code.gitea.io/gitea/modules/markup/csv"
	_ "code.gitea.io/gitea/modules/markup/markdown"
	_ "code.gitea.io/gitea/modules/markup/orgmode"

	"github.com/urfave/cli"
)

var (
	// Version holds the current Gitea version
	Version = "development"
	// Tags holds the build tags used
	Tags = ""
	// MakeVersion holds the current Make version if built with make
	MakeVersion = ""

	originalAppHelpTemplate        = ""
	originalCommandHelpTemplate    = ""
	originalSubcommandHelpTemplate = ""
)

func init() {
	setting.AppVer = Version
	setting.AppBuiltWith = formatBuiltWith()
	setting.AppStartTime = time.Now().UTC()

	// Grab the original help templates
	originalAppHelpTemplate = cli.AppHelpTemplate
	originalCommandHelpTemplate = cli.CommandHelpTemplate
	originalSubcommandHelpTemplate = cli.SubcommandHelpTemplate
}

func main() {
	app := cli.NewApp()
	app.Name = "Gitea"
	app.Usage = "A painless self-hosted Git service"
	app.Description = `By default, gitea will start serving using the webserver with no
arguments - which can alternatively be run by running the subcommand web.`
	app.Version = Version + formatBuiltWith()
	app.Commands = []cli.Command{
		cmd.CmdWeb,
		cmd.CmdServ,
		cmd.CmdHook,
		cmd.CmdDump,
		cmd.CmdCert,
		cmd.CmdAdmin,
		cmd.CmdGenerate,
		cmd.CmdMigrate,
		cmd.CmdKeys,
		cmd.CmdConvert,
		cmd.CmdDoctor,
		cmd.CmdManager,
		cmd.Cmdembedded,
		cmd.CmdMigrateStorage,
		cmd.CmdDocs,
		cmd.CmdDumpRepository,
		cmd.CmdRestoreRepository,
	}
	// Now adjust these commands to add our global configuration options

	// First calculate the default paths and set the AppHelpTemplates in this context
	setting.SetCustomPathAndConf("", "", "")
	setAppHelpTemplates()

	// default configuration flags
	defaultFlags := []cli.Flag{
		cli.StringFlag{
			Name:  "custom-path, C",
			Value: setting.CustomPath,
			Usage: "Custom path file path",
		},
		cli.StringFlag{
			Name:  "config, c",
			Value: setting.CustomConf,
			Usage: "Custom configuration file path",
		},
		cli.VersionFlag,
		cli.StringFlag{
			Name:  "work-path, w",
			Value: setting.AppWorkPath,
			Usage: "Set the gitea working path",
		},
	}

	// Set the default to be equivalent to cmdWeb and add the default flags
	app.Flags = append(app.Flags, cmd.CmdWeb.Flags...)
	app.Flags = append(app.Flags, defaultFlags...)
	app.Action = cmd.CmdWeb.Action

	// Add functions to set these paths and these flags to the commands
	app.Before = establishCustomPath
	for i := range app.Commands {
		setFlagsAndBeforeOnSubcommands(&app.Commands[i], defaultFlags, establishCustomPath)
	}

	app.EnableBashCompletion = true

	err := app.Run(os.Args)
	if err != nil {
		log.Fatal("Failed to run app with %s: %v", os.Args, err)
	}
}

func setFlagsAndBeforeOnSubcommands(command *cli.Command, defaultFlags []cli.Flag, before cli.BeforeFunc) {
	command.Flags = append(command.Flags, defaultFlags...)
	command.Before = establishCustomPath
	for i := range command.Subcommands {
		setFlagsAndBeforeOnSubcommands(&command.Subcommands[i], defaultFlags, before)
	}
}

func establishCustomPath(ctx *cli.Context) error {
	var providedCustom string
	var providedConf string
	var providedWorkPath string

	currentCtx := ctx
	for {
		if len(providedCustom) != 0 && len(providedConf) != 0 && len(providedWorkPath) != 0 {
			break
		}
		if currentCtx == nil {
			break
		}
		if currentCtx.IsSet("custom-path") && len(providedCustom) == 0 {
			providedCustom = currentCtx.String("custom-path")
		}
		if currentCtx.IsSet("config") && len(providedConf) == 0 {
			providedConf = currentCtx.String("config")
		}
		if currentCtx.IsSet("work-path") && len(providedWorkPath) == 0 {
			providedWorkPath = currentCtx.String("work-path")
		}
		currentCtx = currentCtx.Parent()

	}
	setting.SetCustomPathAndConf(providedCustom, providedConf, providedWorkPath)

	setAppHelpTemplates()

	if ctx.IsSet("version") {
		cli.ShowVersion(ctx)
		os.Exit(0)
	}

	return nil
}

func setAppHelpTemplates() {
	cli.AppHelpTemplate = adjustHelpTemplate(originalAppHelpTemplate)
	cli.CommandHelpTemplate = adjustHelpTemplate(originalCommandHelpTemplate)
	cli.SubcommandHelpTemplate = adjustHelpTemplate(originalSubcommandHelpTemplate)
}

func adjustHelpTemplate(originalTemplate string) string {
	overridden := ""
	if _, ok := os.LookupEnv("GITEA_CUSTOM"); ok {
		overridden = "(GITEA_CUSTOM)"
	}

	return fmt.Sprintf(`%s
DEFAULT CONFIGURATION:
     CustomPath:  %s %s
     CustomConf:  %s
     AppPath:     %s
     AppWorkPath: %s

`, originalTemplate, setting.CustomPath, overridden, setting.CustomConf, setting.AppPath, setting.AppWorkPath)
}

func formatBuiltWith() string {
	version := runtime.Version()
	if len(MakeVersion) > 0 {
		version = MakeVersion + ", " + runtime.Version()
	}
	if len(Tags) == 0 {
		return " built with " + version
	}

	return " built with " + version + " : " + strings.ReplaceAll(Tags, " ", ", ")
}