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// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package cmd
import (
"context"
"fmt"
"os"
"path/filepath"
"strings"
"code.gitea.io/gitea/cmd/forgejo"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/urfave/cli/v2"
)
// cmdHelp is our own help subcommand with more information
// Keep in mind that the "./gitea help"(subcommand) is different from "./gitea --help"(flag), the flag doesn't parse the config or output "DEFAULT CONFIGURATION:" information
func cmdHelp() *cli.Command {
c := &cli.Command{
Name: "help",
Aliases: []string{"h"},
Usage: "Shows a list of commands or help for one command",
ArgsUsage: "[command]",
Action: func(c *cli.Context) (err error) {
lineage := c.Lineage() // The order is from child to parent: help, doctor, Gitea, {Command:nil}
targetCmdIdx := 0
if c.Command.Name == "help" {
targetCmdIdx = 1
}
if lineage[targetCmdIdx+1].Command != nil {
err = cli.ShowCommandHelp(lineage[targetCmdIdx+1], lineage[targetCmdIdx].Command.Name)
} else {
err = cli.ShowAppHelp(c)
}
_, _ = fmt.Fprintf(c.App.Writer, `
DEFAULT CONFIGURATION:
AppPath: %s
WorkPath: %s
CustomPath: %s
ConfigFile: %s
`, setting.AppPath, setting.AppWorkPath, setting.CustomPath, setting.CustomConf)
return err
},
}
return c
}
func appGlobalFlags() []cli.Flag {
return []cli.Flag{
// make the builtin flags at the top
cli.HelpFlag,
// shared configuration flags, they are for global and for each sub-command at the same time
// eg: such command is valid: "./gitea --config /tmp/app.ini web --config /tmp/app.ini", while it's discouraged indeed
// keep in mind that the short flags like "-C", "-c" and "-w" are globally polluted, they can't be used for sub-commands anymore.
&cli.StringFlag{
Name: "custom-path",
Aliases: []string{"C"},
Usage: "Set custom path (defaults to '{WorkPath}/custom')",
},
&cli.StringFlag{
Name: "config",
Aliases: []string{"c"},
Value: setting.CustomConf,
Usage: "Set custom config file (defaults to '{WorkPath}/custom/conf/app.ini')",
},
&cli.StringFlag{
Name: "work-path",
Aliases: []string{"w"},
Usage: "Set Forgejo's working path (defaults to the directory of the Forgejo binary)",
},
}
}
func prepareSubcommandWithConfig(command *cli.Command, globalFlags []cli.Flag) {
command.Flags = append(append([]cli.Flag{}, globalFlags...), command.Flags...)
command.Action = prepareWorkPathAndCustomConf(command.Action)
command.HideHelp = true
if command.Name != "help" {
command.Subcommands = append(command.Subcommands, cmdHelp())
}
for i := range command.Subcommands {
prepareSubcommandWithConfig(command.Subcommands[i], globalFlags)
}
}
// prepareWorkPathAndCustomConf wraps the Action to prepare the work path and custom config
// It can't use "Before", because each level's sub-command's Before will be called one by one, so the "init" would be done multiple times
func prepareWorkPathAndCustomConf(action cli.ActionFunc) func(ctx *cli.Context) error {
return func(ctx *cli.Context) error {
var args setting.ArgWorkPathAndCustomConf
// from children to parent, check the global flags
for _, curCtx := range ctx.Lineage() {
if curCtx.IsSet("work-path") && args.WorkPath == "" {
args.WorkPath = curCtx.String("work-path")
}
if curCtx.IsSet("custom-path") && args.CustomPath == "" {
args.CustomPath = curCtx.String("custom-path")
}
if curCtx.IsSet("config") && args.CustomConf == "" {
args.CustomConf = curCtx.String("config")
}
}
setting.InitWorkPathAndCommonConfig(os.Getenv, args)
if ctx.Bool("help") || action == nil {
// the default behavior of "urfave/cli": "nil action" means "show help"
return cmdHelp().Action(ctx)
}
return action(ctx)
}
}
func NewMainApp(version, versionExtra string) *cli.App {
path, err := os.Executable()
if err != nil {
panic(err)
}
executable := filepath.Base(path)
var subCmdsStandalone []*cli.Command = make([]*cli.Command, 0, 10)
var subCmdWithConfig []*cli.Command = make([]*cli.Command, 0, 10)
var globalFlags []cli.Flag = make([]cli.Flag, 0, 10)
//
// If the executable is forgejo-cli, provide a Forgejo specific CLI
// that is NOT compatible with Gitea.
//
if executable == "forgejo-cli" {
subCmdsStandalone = append(subCmdsStandalone, forgejo.CmdActions(context.Background()))
subCmdWithConfig = append(subCmdWithConfig, forgejo.CmdF3(context.Background()))
globalFlags = append(globalFlags, []cli.Flag{
&cli.BoolFlag{
Name: "quiet",
},
&cli.BoolFlag{
Name: "verbose",
},
}...)
} else {
//
// Otherwise provide a Gitea compatible CLI which includes Forgejo
// specific additions under the forgejo-cli subcommand. It allows
// admins to migration from Gitea to Forgejo by replacing the gitea
// binary and rename it to forgejo if they want.
//
subCmdsStandalone = append(subCmdsStandalone, forgejo.CmdForgejo(context.Background()))
subCmdWithConfig = append(subCmdWithConfig, CmdActions)
}
return innerNewMainApp(version, versionExtra, subCmdsStandalone, subCmdWithConfig, globalFlags)
}
func innerNewMainApp(version, versionExtra string, subCmdsStandaloneArgs, subCmdWithConfigArgs []*cli.Command, globalFlagsArgs []cli.Flag) *cli.App {
app := cli.NewApp()
app.HelpName = "forgejo"
app.Name = "Forgejo"
app.Usage = "Beyond coding. We forge."
app.Description = `By default, forgejo will start serving using the web-server with no argument, which can alternatively be run by running the subcommand "web".`
app.Version = version + versionExtra
app.EnableBashCompletion = true
// these sub-commands need to use config file
subCmdWithConfig := []*cli.Command{
cmdHelp(), // the "help" sub-command was used to show the more information for "work path" and "custom config"
CmdWeb,
CmdServ,
CmdHook,
CmdKeys,
CmdDump,
CmdAdmin,
CmdMigrate,
CmdDoctor,
CmdManager,
CmdEmbedded,
CmdMigrateStorage,
CmdDumpRepository,
CmdRestoreRepository,
}
subCmdWithConfig = append(subCmdWithConfig, subCmdWithConfigArgs...)
// these sub-commands do not need the config file, and they do not depend on any path or environment variable.
subCmdStandalone := []*cli.Command{
CmdCert,
CmdGenerate,
CmdDocs,
}
subCmdStandalone = append(subCmdStandalone, subCmdsStandaloneArgs...)
app.DefaultCommand = CmdWeb.Name
globalFlags := appGlobalFlags()
globalFlags = append(globalFlags, globalFlagsArgs...)
app.Flags = append(app.Flags, cli.VersionFlag)
app.Flags = append(app.Flags, globalFlags...)
app.HideHelp = true // use our own help action to show helps (with more information like default config)
app.Before = PrepareConsoleLoggerLevel(log.INFO)
for i := range subCmdWithConfig {
prepareSubcommandWithConfig(subCmdWithConfig[i], globalFlags)
}
app.Commands = append(app.Commands, subCmdWithConfig...)
app.Commands = append(app.Commands, subCmdStandalone...)
return app
}
func RunMainApp(app *cli.App, args ...string) error {
err := app.Run(args)
if err == nil {
return nil
}
if strings.HasPrefix(err.Error(), "flag provided but not defined:") {
// the cli package should already have output the error message, so just exit
cli.OsExiter(1)
return err
}
_, _ = fmt.Fprintf(app.ErrWriter, "Command error: %v\n", err)
cli.OsExiter(1)
return err
}
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