657 lines
20 KiB
Go
657 lines
20 KiB
Go
package extension
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import (
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"errors"
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"fmt"
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"os"
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"strings"
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"time"
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"github.com/MakeNowJust/heredoc"
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"github.com/cli/cli/v2/api"
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"github.com/cli/cli/v2/git"
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"github.com/cli/cli/v2/internal/ghrepo"
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"github.com/cli/cli/v2/internal/tableprinter"
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"github.com/cli/cli/v2/internal/text"
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"github.com/cli/cli/v2/pkg/cmd/extension/browse"
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"github.com/cli/cli/v2/pkg/cmdutil"
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"github.com/cli/cli/v2/pkg/extensions"
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"github.com/cli/cli/v2/pkg/search"
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"github.com/cli/cli/v2/utils"
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"github.com/spf13/cobra"
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)
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func NewCmdExtension(f *cmdutil.Factory) *cobra.Command {
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m := f.ExtensionManager
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io := f.IOStreams
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prompter := f.Prompter
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config := f.Config
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browser := f.Browser
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httpClient := f.HttpClient
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extCmd := cobra.Command{
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Use: "extension",
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Short: "Manage gh extensions",
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Long: heredoc.Docf(`
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GitHub CLI extensions are repositories that provide additional gh commands.
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The name of the extension repository must start with "gh-" and it must contain an
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executable of the same name. All arguments passed to the %[1]sgh <extname>%[1]s invocation
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will be forwarded to the %[1]sgh-<extname>%[1]s executable of the extension.
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An extension cannot override any of the core gh commands. If an extension name conflicts
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with a core gh command you can use %[1]sgh extension exec <extname>%[1]s.
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See the list of available extensions at <https://github.com/topics/gh-extension>.
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`, "`"),
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Aliases: []string{"extensions", "ext"},
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}
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extCmd.AddCommand(
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func() *cobra.Command {
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query := search.Query{
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Kind: search.KindRepositories,
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}
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qualifiers := search.Qualifiers{
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Topic: []string{"gh-extension"},
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}
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var order string
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var sort string
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var webMode bool
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var exporter cmdutil.Exporter
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cmd := &cobra.Command{
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Use: "search [<query>]",
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Short: "Search extensions to the GitHub CLI",
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Long: heredoc.Doc(`
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Search for gh extensions.
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With no arguments, this command prints out the first 30 extensions
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available to install sorted by number of stars. More extensions can
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be fetched by specifying a higher limit with the --limit flag.
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When connected to a terminal, this command prints out three columns.
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The first has a ✓ if the extension is already installed locally. The
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second is the full name of the extension repository in NAME/OWNER
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format. The third is the extension's description.
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When not connected to a terminal, the ✓ character is rendered as the
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word "installed" but otherwise the order and content of the columns
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is the same.
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This command behaves similarly to 'gh search repos' but does not
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support as many search qualifiers. For a finer grained search of
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extensions, try using:
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gh search repos --topic "gh-extension"
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and adding qualifiers as needed. See 'gh help search repos' to learn
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more about repository search.
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For listing just the extensions that are already installed locally,
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see:
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gh ext list
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`),
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Example: heredoc.Doc(`
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# List the first 30 extensions sorted by star count, descending
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$ gh ext search
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# List more extensions
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$ gh ext search --limit 300
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# List extensions matching the term "branch"
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$ gh ext search branch
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# List extensions owned by organization "github"
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$ gh ext search --owner github
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# List extensions, sorting by recently updated, ascending
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$ gh ext search --sort updated --order asc
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# List extensions, filtering by license
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$ gh ext search --license MIT
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# Open search results in the browser
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$ gh ext search -w
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`),
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RunE: func(cmd *cobra.Command, args []string) error {
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cfg, err := config()
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if err != nil {
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return err
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}
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client, err := httpClient()
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if err != nil {
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return err
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}
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if cmd.Flags().Changed("order") {
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query.Order = order
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}
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if cmd.Flags().Changed("sort") {
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query.Sort = sort
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}
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query.Keywords = args
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query.Qualifiers = qualifiers
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host, _ := cfg.DefaultHost()
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searcher := search.NewSearcher(client, host)
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if webMode {
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url := searcher.URL(query)
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if io.IsStdoutTTY() {
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fmt.Fprintf(io.ErrOut, "Opening %s in your browser.\n", text.DisplayURL(url))
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}
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return browser.Browse(url)
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}
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io.StartProgressIndicator()
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result, err := searcher.Repositories(query)
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io.StopProgressIndicator()
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if err != nil {
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return err
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}
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if exporter != nil {
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return exporter.Write(io, result.Items)
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}
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if io.IsStdoutTTY() {
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if len(result.Items) == 0 {
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return errors.New("no extensions found")
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}
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fmt.Fprintf(io.Out, "Showing %d of %d extensions\n", len(result.Items), result.Total)
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fmt.Fprintln(io.Out)
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}
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cs := io.ColorScheme()
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installedExts := m.List()
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isInstalled := func(repo search.Repository) bool {
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searchRepo, err := ghrepo.FromFullName(repo.FullName)
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if err != nil {
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return false
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}
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for _, e := range installedExts {
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// TODO consider a Repo() on Extension interface
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if u, err := git.ParseURL(e.URL()); err == nil {
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if r, err := ghrepo.FromURL(u); err == nil {
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if ghrepo.IsSame(searchRepo, r) {
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return true
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}
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}
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}
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}
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return false
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}
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tp := tableprinter.New(io)
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tp.HeaderRow("", "REPO", "DESCRIPTION")
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for _, repo := range result.Items {
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if !strings.HasPrefix(repo.Name, "gh-") {
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continue
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}
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installed := ""
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if isInstalled(repo) {
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if io.IsStdoutTTY() {
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installed = "✓"
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} else {
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installed = "installed"
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}
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}
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tp.AddField(installed, tableprinter.WithColor(cs.Green))
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tp.AddField(repo.FullName, tableprinter.WithColor(cs.Bold))
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tp.AddField(repo.Description)
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tp.EndRow()
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}
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return tp.Render()
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},
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}
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// Output flags
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cmd.Flags().BoolVarP(&webMode, "web", "w", false, "Open the search query in the web browser")
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cmdutil.AddJSONFlags(cmd, &exporter, search.RepositoryFields)
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// Query parameter flags
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cmd.Flags().IntVarP(&query.Limit, "limit", "L", 30, "Maximum number of extensions to fetch")
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cmdutil.StringEnumFlag(cmd, &order, "order", "", "desc", []string{"asc", "desc"}, "Order of repositories returned, ignored unless '--sort' flag is specified")
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cmdutil.StringEnumFlag(cmd, &sort, "sort", "", "best-match", []string{"forks", "help-wanted-issues", "stars", "updated"}, "Sort fetched repositories")
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// Qualifier flags
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cmd.Flags().StringSliceVar(&qualifiers.License, "license", nil, "Filter based on license type")
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cmd.Flags().StringVar(&qualifiers.User, "owner", "", "Filter on owner")
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return cmd
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}(),
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&cobra.Command{
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Use: "list",
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Short: "List installed extension commands",
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Aliases: []string{"ls"},
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Args: cobra.NoArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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cmds := m.List()
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if len(cmds) == 0 {
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return cmdutil.NewNoResultsError("no installed extensions found")
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}
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cs := io.ColorScheme()
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//nolint:staticcheck // SA1019: utils.NewTablePrinter is deprecated: use internal/tableprinter
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t := utils.NewTablePrinter(io)
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for _, c := range cmds {
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// TODO consider a Repo() on Extension interface
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var repo string
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if u, err := git.ParseURL(c.URL()); err == nil {
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if r, err := ghrepo.FromURL(u); err == nil {
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repo = ghrepo.FullName(r)
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}
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}
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t.AddField(fmt.Sprintf("gh %s", c.Name()), nil, nil)
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t.AddField(repo, nil, nil)
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version := displayExtensionVersion(c, c.CurrentVersion())
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if c.IsPinned() {
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t.AddField(version, nil, cs.Cyan)
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} else {
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t.AddField(version, nil, nil)
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}
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t.EndRow()
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}
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return t.Render()
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},
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},
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func() *cobra.Command {
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var pinFlag string
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cmd := &cobra.Command{
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Use: "install <repository>",
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Short: "Install a gh extension from a repository",
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Long: heredoc.Doc(`
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Install a GitHub repository locally as a GitHub CLI extension.
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The repository argument can be specified in "owner/repo" format as well as a full URL.
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The URL format is useful when the repository is not hosted on github.com.
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To install an extension in development from the current directory, use "." as the
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value of the repository argument.
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See the list of available extensions at <https://github.com/topics/gh-extension>.
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`),
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Example: heredoc.Doc(`
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$ gh extension install owner/gh-extension
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$ gh extension install https://git.example.com/owner/gh-extension
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$ gh extension install .
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`),
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Args: cmdutil.MinimumArgs(1, "must specify a repository to install from"),
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RunE: func(cmd *cobra.Command, args []string) error {
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if args[0] == "." {
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if pinFlag != "" {
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return fmt.Errorf("local extensions cannot be pinned")
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}
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wd, err := os.Getwd()
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if err != nil {
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return err
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}
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return m.InstallLocal(wd)
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}
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repo, err := ghrepo.FromFullName(args[0])
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if err != nil {
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return err
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}
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if err := checkValidExtension(cmd.Root(), m, repo.RepoName()); err != nil {
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return err
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}
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cs := io.ColorScheme()
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if err := m.Install(repo, pinFlag); err != nil {
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if errors.Is(err, releaseNotFoundErr) {
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return fmt.Errorf("%s Could not find a release of %s for %s",
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cs.FailureIcon(), args[0], cs.Cyan(pinFlag))
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} else if errors.Is(err, commitNotFoundErr) {
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return fmt.Errorf("%s %s does not exist in %s",
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cs.FailureIcon(), cs.Cyan(pinFlag), args[0])
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} else if errors.Is(err, repositoryNotFoundErr) {
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return fmt.Errorf("%s Could not find extension '%s' on host %s",
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cs.FailureIcon(), args[0], repo.RepoHost())
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}
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return err
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}
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if io.IsStdoutTTY() {
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fmt.Fprintf(io.Out, "%s Installed extension %s\n", cs.SuccessIcon(), args[0])
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if pinFlag != "" {
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fmt.Fprintf(io.Out, "%s Pinned extension at %s\n", cs.SuccessIcon(), cs.Cyan(pinFlag))
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}
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}
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return nil
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},
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}
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cmd.Flags().StringVar(&pinFlag, "pin", "", "pin extension to a release tag or commit ref")
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return cmd
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}(),
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func() *cobra.Command {
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var flagAll bool
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var flagForce bool
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var flagDryRun bool
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cmd := &cobra.Command{
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Use: "upgrade {<name> | --all}",
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Short: "Upgrade installed extensions",
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Args: func(cmd *cobra.Command, args []string) error {
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if len(args) == 0 && !flagAll {
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return cmdutil.FlagErrorf("specify an extension to upgrade or `--all`")
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}
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if len(args) > 0 && flagAll {
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return cmdutil.FlagErrorf("cannot use `--all` with extension name")
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}
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if len(args) > 1 {
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return cmdutil.FlagErrorf("too many arguments")
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}
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return nil
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},
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RunE: func(cmd *cobra.Command, args []string) error {
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var name string
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if len(args) > 0 {
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name = normalizeExtensionSelector(args[0])
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}
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if flagDryRun {
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m.EnableDryRunMode()
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}
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cs := io.ColorScheme()
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err := m.Upgrade(name, flagForce)
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if err != nil && !errors.Is(err, upToDateError) {
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if name != "" {
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fmt.Fprintf(io.ErrOut, "%s Failed upgrading extension %s: %s\n", cs.FailureIcon(), name, err)
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} else if errors.Is(err, noExtensionsInstalledError) {
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return cmdutil.NewNoResultsError("no installed extensions found")
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} else {
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fmt.Fprintf(io.ErrOut, "%s Failed upgrading extensions\n", cs.FailureIcon())
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}
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return cmdutil.SilentError
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}
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if io.IsStdoutTTY() {
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successStr := "Successfully"
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if flagDryRun {
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successStr = "Would have"
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}
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if errors.Is(err, upToDateError) {
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fmt.Fprintf(io.Out, "%s Extension already up to date\n", cs.SuccessIcon())
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} else if name != "" {
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fmt.Fprintf(io.Out, "%s %s upgraded extension %s\n", cs.SuccessIcon(), successStr, name)
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} else {
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fmt.Fprintf(io.Out, "%s %s upgraded extensions\n", cs.SuccessIcon(), successStr)
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}
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}
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return nil
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},
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}
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cmd.Flags().BoolVar(&flagAll, "all", false, "Upgrade all extensions")
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cmd.Flags().BoolVar(&flagForce, "force", false, "Force upgrade extension")
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cmd.Flags().BoolVar(&flagDryRun, "dry-run", false, "Only display upgrades")
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return cmd
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}(),
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&cobra.Command{
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Use: "remove <name>",
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Short: "Remove an installed extension",
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Args: cobra.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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extName := normalizeExtensionSelector(args[0])
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if err := m.Remove(extName); err != nil {
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return err
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}
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if io.IsStdoutTTY() {
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cs := io.ColorScheme()
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fmt.Fprintf(io.Out, "%s Removed extension %s\n", cs.SuccessIcon(), extName)
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}
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return nil
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},
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},
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func() *cobra.Command {
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var debug bool
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cmd := &cobra.Command{
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Use: "browse",
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Short: "Enter a UI for browsing, adding, and removing extensions",
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Long: heredoc.Doc(`
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This command will take over your terminal and run a fully interactive
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interface for browsing, adding, and removing gh extensions.
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The extension list is navigated with the arrow keys or with j/k.
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Space and control+space (or control + j/k) page the list up and down.
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Extension readmes can be scrolled with page up/page down keys
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(fn + arrow up/down on a mac keyboard).
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For highlighted extensions, you can press:
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- w to open the extension in your web browser
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- i to install the extension
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- r to remove the extension
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Press / to focus the filter input. Press enter to scroll the results.
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Press Escape to clear the filter and return to the full list.
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Press q to quit.
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The output of this command may be difficult to navigate for screen reader
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users, users operating at high zoom and other users of assistive technology. It
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is also not advised for automation scripts. We advise those users to use the
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alternative command:
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gh ext search
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along with gh ext install, gh ext remove, and gh repo view.
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`),
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Args: cobra.NoArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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if !io.CanPrompt() {
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return errors.New("this command runs an interactive UI and needs to be run in a terminal")
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}
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cfg, err := config()
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if err != nil {
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return err
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}
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host, _ := cfg.DefaultHost()
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client, err := f.HttpClient()
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if err != nil {
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return err
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}
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searcher := search.NewSearcher(api.NewCachedHTTPClient(client, time.Hour*24), host)
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opts := browse.ExtBrowseOpts{
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Cmd: cmd,
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IO: io,
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Browser: browser,
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Searcher: searcher,
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Em: m,
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Client: client,
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Cfg: cfg,
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Debug: debug,
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}
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return browse.ExtBrowse(opts)
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},
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}
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cmd.Flags().BoolVar(&debug, "debug", false, "log to /tmp/extBrowse-*")
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return cmd
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}(),
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&cobra.Command{
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Use: "exec <name> [args]",
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Short: "Execute an installed extension",
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Long: heredoc.Doc(`
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Execute an extension using the short name. For example, if the extension repository is
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"owner/gh-extension", you should pass "extension". You can use this command when
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the short name conflicts with a core gh command.
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All arguments after the extension name will be forwarded to the executable
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of the extension.
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`),
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Example: heredoc.Doc(`
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# execute a label extension instead of the core gh label command
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$ gh extension exec label
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`),
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Args: cobra.MinimumNArgs(1),
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DisableFlagParsing: true,
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RunE: func(cmd *cobra.Command, args []string) error {
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if found, err := m.Dispatch(args, io.In, io.Out, io.ErrOut); !found {
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return fmt.Errorf("extension %q not found", args[0])
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} else {
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return err
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}
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},
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},
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func() *cobra.Command {
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promptCreate := func() (string, extensions.ExtTemplateType, error) {
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extName, err := prompter.Input("Extension name:", "")
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if err != nil {
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return extName, -1, err
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}
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options := []string{"Script (Bash, Ruby, Python, etc)", "Go", "Other Precompiled (C++, Rust, etc)"}
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extTmplType, err := prompter.Select("What kind of extension?",
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options[0],
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options)
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return extName, extensions.ExtTemplateType(extTmplType), err
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}
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var flagType string
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cmd := &cobra.Command{
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Use: "create [<name>]",
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Short: "Create a new extension",
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Example: heredoc.Doc(`
|
|
# Use interactively
|
|
gh extension create
|
|
|
|
# Create a script-based extension
|
|
gh extension create foobar
|
|
|
|
# Create a Go extension
|
|
gh extension create --precompiled=go foobar
|
|
|
|
# Create a non-Go precompiled extension
|
|
gh extension create --precompiled=other foobar
|
|
`),
|
|
Args: cobra.MaximumNArgs(1),
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
if cmd.Flags().Changed("precompiled") {
|
|
if flagType != "go" && flagType != "other" {
|
|
return cmdutil.FlagErrorf("value for --precompiled must be 'go' or 'other'. Got '%s'", flagType)
|
|
}
|
|
}
|
|
var extName string
|
|
var err error
|
|
tmplType := extensions.GitTemplateType
|
|
if len(args) == 0 {
|
|
if io.IsStdoutTTY() {
|
|
extName, tmplType, err = promptCreate()
|
|
if err != nil {
|
|
return fmt.Errorf("could not prompt: %w", err)
|
|
}
|
|
}
|
|
} else {
|
|
extName = args[0]
|
|
if flagType == "go" {
|
|
tmplType = extensions.GoBinTemplateType
|
|
} else if flagType == "other" {
|
|
tmplType = extensions.OtherBinTemplateType
|
|
}
|
|
}
|
|
|
|
var fullName string
|
|
|
|
if strings.HasPrefix(extName, "gh-") {
|
|
fullName = extName
|
|
extName = extName[3:]
|
|
} else {
|
|
fullName = "gh-" + extName
|
|
}
|
|
if err := m.Create(fullName, tmplType); err != nil {
|
|
return err
|
|
}
|
|
if !io.IsStdoutTTY() {
|
|
return nil
|
|
}
|
|
|
|
var goBinChecks string
|
|
|
|
steps := fmt.Sprintf(
|
|
"- run 'cd %[1]s; gh extension install .; gh %[2]s' to see your new extension in action",
|
|
fullName, extName)
|
|
|
|
cs := io.ColorScheme()
|
|
if tmplType == extensions.GoBinTemplateType {
|
|
goBinChecks = heredoc.Docf(`
|
|
%[1]s Downloaded Go dependencies
|
|
%[1]s Built %[2]s binary
|
|
`, cs.SuccessIcon(), fullName)
|
|
steps = heredoc.Docf(`
|
|
- run 'cd %[1]s; gh extension install .; gh %[2]s' to see your new extension in action
|
|
- use 'go build && gh %[2]s' to see changes in your code as you develop`, fullName, extName)
|
|
} else if tmplType == extensions.OtherBinTemplateType {
|
|
steps = heredoc.Docf(`
|
|
- run 'cd %[1]s; gh extension install .' to install your extension locally
|
|
- fill in script/build.sh with your compilation script for automated builds
|
|
- compile a %[1]s binary locally and run 'gh %[2]s' to see changes`, fullName, extName)
|
|
}
|
|
link := "https://docs.github.com/github-cli/github-cli/creating-github-cli-extensions"
|
|
out := heredoc.Docf(`
|
|
%[1]s Created directory %[2]s
|
|
%[1]s Initialized git repository
|
|
%[1]s Set up extension scaffolding
|
|
%[6]s
|
|
%[2]s is ready for development!
|
|
|
|
%[4]s
|
|
%[5]s
|
|
- commit and use 'gh repo create' to share your extension with others
|
|
|
|
For more information on writing extensions:
|
|
%[3]s
|
|
`, cs.SuccessIcon(), fullName, link, cs.Bold("Next Steps"), steps, goBinChecks)
|
|
fmt.Fprint(io.Out, out)
|
|
return nil
|
|
},
|
|
}
|
|
cmd.Flags().StringVar(&flagType, "precompiled", "", "Create a precompiled extension. Possible values: go, other")
|
|
return cmd
|
|
}(),
|
|
)
|
|
|
|
return &extCmd
|
|
}
|
|
|
|
func checkValidExtension(rootCmd *cobra.Command, m extensions.ExtensionManager, extName string) error {
|
|
if !strings.HasPrefix(extName, "gh-") {
|
|
return errors.New("extension repository name must start with `gh-`")
|
|
}
|
|
|
|
commandName := strings.TrimPrefix(extName, "gh-")
|
|
if c, _, err := rootCmd.Traverse([]string{commandName}); err != nil {
|
|
return err
|
|
} else if c != rootCmd {
|
|
return fmt.Errorf("%q matches the name of a built-in command", commandName)
|
|
}
|
|
|
|
for _, ext := range m.List() {
|
|
if ext.Name() == commandName {
|
|
return fmt.Errorf("there is already an installed extension that provides the %q command", commandName)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func normalizeExtensionSelector(n string) string {
|
|
if idx := strings.IndexRune(n, '/'); idx >= 0 {
|
|
n = n[idx+1:]
|
|
}
|
|
return strings.TrimPrefix(n, "gh-")
|
|
}
|
|
|
|
func displayExtensionVersion(ext extensions.Extension, version string) string {
|
|
if !ext.IsBinary() && len(version) > 8 {
|
|
return version[:8]
|
|
}
|
|
return version
|
|
}
|