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154 lines (130 loc) · 4.05 KB
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package command
import (
"fmt"
"io"
"os"
"regexp"
"strings"
"github.com/cli/cli/api"
"github.com/cli/cli/context"
"github.com/cli/cli/utils"
"github.com/spf13/cobra"
)
// Version is dynamically set at build time in the Makefile
var Version = "DEV"
// BuildDate is dynamically set at build time in the Makefile
var BuildDate = "YYYY-MM-DD"
var versionOutput = ""
func init() {
RootCmd.Version = fmt.Sprintf("%s (%s)", strings.TrimPrefix(Version, "v"), BuildDate)
versionOutput = fmt.Sprintf("gh version %s\n%s\n", RootCmd.Version, changelogURL(RootCmd.Version))
RootCmd.AddCommand(versionCmd)
RootCmd.SetVersionTemplate(versionOutput)
RootCmd.PersistentFlags().StringP("repo", "R", "", "Select another repository using the `OWNER/REPO` format")
RootCmd.PersistentFlags().Bool("help", false, "Show help for command")
RootCmd.Flags().Bool("version", false, "Show gh version")
// TODO:
// RootCmd.PersistentFlags().BoolP("verbose", "V", false, "enable verbose output")
RootCmd.SetFlagErrorFunc(func(cmd *cobra.Command, err error) error {
return &FlagError{Err: err}
})
}
// FlagError is the kind of error raised in flag processing
type FlagError struct {
Err error
}
func (fe FlagError) Error() string {
return fe.Err.Error()
}
func (fe FlagError) Unwrap() error {
return fe.Err
}
// RootCmd is the entry point of command-line execution
var RootCmd = &cobra.Command{
Use: "gh",
Short: "GitHub CLI",
Long: `Work seamlessly with GitHub from the command line.
GitHub CLI is in early stages of development, and we'd love to hear your
feedback at <https://forms.gle/umxd3h31c7aMQFKG7>`,
SilenceErrors: true,
SilenceUsage: true,
}
var versionCmd = &cobra.Command{
Use: "version",
Hidden: true,
Run: func(cmd *cobra.Command, args []string) {
fmt.Printf(versionOutput)
},
}
// overriden in tests
var initContext = func() context.Context {
ctx := context.New()
if repo := os.Getenv("GH_REPO"); repo != "" {
ctx.SetBaseRepo(repo)
}
return ctx
}
// BasicClient returns an API client that borrows from but does not depend on
// user configuration
func BasicClient() (*api.Client, error) {
opts := []api.ClientOption{
api.AddHeader("User-Agent", fmt.Sprintf("GitHub CLI %s", Version)),
}
if c, err := context.ParseDefaultConfig(); err == nil {
opts = append(opts, api.AddHeader("Authorization", fmt.Sprintf("token %s", c.Token)))
}
if verbose := os.Getenv("DEBUG"); verbose != "" {
opts = append(opts, api.VerboseLog(os.Stderr, false))
}
return api.NewClient(opts...), nil
}
func contextForCommand(cmd *cobra.Command) context.Context {
ctx := initContext()
if repo, err := cmd.Flags().GetString("repo"); err == nil && repo != "" {
ctx.SetBaseRepo(repo)
}
return ctx
}
// overriden in tests
var apiClientForContext = func(ctx context.Context) (*api.Client, error) {
token, err := ctx.AuthToken()
if err != nil {
return nil, err
}
opts := []api.ClientOption{
api.AddHeader("Authorization", fmt.Sprintf("token %s", token)),
api.AddHeader("User-Agent", fmt.Sprintf("GitHub CLI %s", Version)),
// antiope-preview: Checks
// shadow-cat-preview: Draft pull requests
api.AddHeader("Accept", "application/vnd.github.antiope-preview+json, application/vnd.github.shadow-cat-preview"),
api.AddHeader("GraphQL-Features", "pe_mobile"),
}
if verbose := os.Getenv("DEBUG"); verbose != "" {
opts = append(opts, api.VerboseLog(os.Stderr, strings.Contains(verbose, "api")))
}
return api.NewClient(opts...), nil
}
func colorableOut(cmd *cobra.Command) io.Writer {
out := cmd.OutOrStdout()
if outFile, isFile := out.(*os.File); isFile {
return utils.NewColorable(outFile)
}
return out
}
func colorableErr(cmd *cobra.Command) io.Writer {
err := cmd.ErrOrStderr()
if outFile, isFile := err.(*os.File); isFile {
return utils.NewColorable(outFile)
}
return err
}
func changelogURL(version string) string {
path := "https://github.com/github/homebrew-gh"
r := regexp.MustCompile(`^v\d+\.\d+.\d+$`)
if !r.MatchString(version) {
return fmt.Sprintf("%s/releases/latest", path)
}
tag := version
url := fmt.Sprintf("%s/releases/tag/%s", path, tag)
return url
}