grokify/mogo

package main

import (
    "fmt"
    "log"
    "strings"

    "github.com/grokify/mogo/os/executil"
    "github.com/grokify/mogo/path/filepathutil"
    flags "github.com/jessevdk/go-flags"
)

// $ go get github.com/grokify/mogo/git/apps/gitremoteaddupstream

type cliOptions struct {
    Parent string `short:"p" long:"parent" description:"GitHub parent user" required:"true"`
    Exec   []bool `short:"e" long:"exec" description:"execute" required:"false"`
}

func main() {
    opts := cliOptions{}
    _, err := flags.Parse(&opts)
    if err != nil {
        log.Fatal(err)
    }

    leafDir, err := filepathutil.CurLeafDir()
    if err != nil {
        log.Fatal(err)
    }

    gitCmd := fmt.Sprintf("git remote add upstream https://github.com/%s/%s.git", strings.TrimSpace(opts.Parent), leafDir)
    fmt.Printf("CMD: %s\n", gitCmd)
    if len(opts.Exec) > 0 {
        _, _, err := executil.ExecSimple(gitCmd)
        if err != nil {
            log.Fatal(err)
        }
        fmt.Println("Executed...")
        fmt.Println("Common next steps:\n$ git fetch upstream\n$ git merge upstream/master\n$ git push origin master")
    }

    fmt.Println("DONE")
}