зеркало из https://github.com/mislav/hub.git
130 строки
2.5 KiB
Go
130 строки
2.5 KiB
Go
package commands
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import (
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"fmt"
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"os"
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"path/filepath"
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"regexp"
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"strings"
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"github.com/github/hub/ui"
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"github.com/github/hub/utils"
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)
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var cmdAlias = &Command{
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Run: alias,
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Usage: "alias [-s] [<SHELL>]",
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Long: `Show shell instructions for wrapping git.
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## Options
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-s
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Output shell script suitable for 'eval'.
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<SHELL>
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Specify the type of shell (default: "$SHELL" environment variable).
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## See also:
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hub(1)
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`,
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}
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var flagAliasScript bool
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func init() {
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cmdAlias.Flag.BoolVarP(&flagAliasScript, "script", "s", false, "SCRIPT")
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CmdRunner.Use(cmdAlias)
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}
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func alias(command *Command, args *Args) {
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var shell string
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if args.ParamsSize() > 0 {
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shell = args.FirstParam()
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} else {
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shell = os.Getenv("SHELL")
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}
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if shell == "" {
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cmd := "hub alias <shell>"
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if flagAliasScript {
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cmd = "hub alias -s <shell>"
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}
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utils.Check(fmt.Errorf("Error: couldn't detect shell type. Please specify your shell with `%s`", cmd))
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}
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shells := []string{"bash", "zsh", "sh", "ksh", "csh", "tcsh", "fish", "rc"}
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shell = filepath.Base(shell)
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var validShell bool
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for _, s := range shells {
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if s == shell {
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validShell = true
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break
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}
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}
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if !validShell {
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err := fmt.Errorf("hub alias: unsupported shell\nsupported shells: %s", strings.Join(shells, " "))
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utils.Check(err)
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}
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if flagAliasScript {
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var alias string
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switch shell {
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case "csh", "tcsh":
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alias = "alias git hub"
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case "rc":
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alias = "fn git { builtin hub $* }"
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default:
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alias = "alias git=hub"
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}
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ui.Println(alias)
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} else {
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var profile string
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switch shell {
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case "bash":
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profile = "~/.bash_profile"
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case "zsh":
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profile = "~/.zshrc"
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case "ksh":
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profile = "~/.profile"
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case "fish":
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profile = "~/.config/fish/functions/git.fish"
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case "csh":
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profile = "~/.cshrc"
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case "tcsh":
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profile = "~/.tcshrc"
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case "rc":
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profile = "$home/lib/profile"
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default:
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profile = "your profile"
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}
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msg := fmt.Sprintf("# Wrap git automatically by adding the following to %s:\n", profile)
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ui.Println(msg)
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var eval string
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switch shell {
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case "fish":
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eval = `function git --wraps hub --description 'Alias for hub, which wraps git to provide extra functionality with GitHub.'
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hub $argv
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end`
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case "rc":
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eval = "eval `{hub alias -s}"
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case "csh", "tcsh":
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eval = "eval \"`hub alias -s`\""
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default:
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eval = `eval "$(hub alias -s)"`
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}
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indent := regexp.MustCompile(`(?m)^\t+`)
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eval = indent.ReplaceAllStringFunc(eval, func(match string) string {
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return strings.Repeat(" ", len(match)*4)
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})
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ui.Println(eval)
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}
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args.NoForward()
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}
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