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package root
import (
"bytes"
"fmt"
"io"
"strings"
"github.com/cli/cli/v2/pkg/iostreams"
"github.com/cli/cli/v2/pkg/markdown"
"github.com/spf13/cobra"
)
func referenceHelpFn(io *iostreams.IOStreams) func(*cobra.Command, []string) {
return func(cmd *cobra.Command, args []string) {
wrapWidth := 0
if io.IsStdoutTTY() {
io.DetectTerminalTheme()
wrapWidth = io.TerminalWidth()
}
md, err := markdown.Render(cmd.Long,
markdown.WithTheme(io.TerminalTheme()),
markdown.WithWrap(wrapWidth))
if err != nil {
fmt.Fprintln(io.ErrOut, err)
return
}
if !io.IsStdoutTTY() {
fmt.Fprint(io.Out, dedent(md))
return
}
_ = io.StartPager()
defer io.StopPager()
fmt.Fprint(io.Out, md)
}
}
func referenceLong(cmd *cobra.Command) string {
buf := bytes.NewBufferString("# gh reference\n\n")
for _, c := range cmd.Commands() {
if c.Hidden {
continue
}
cmdRef(buf, c, 2)
}
return buf.String()
}
func cmdRef(w io.Writer, cmd *cobra.Command, depth int) {
// Name + Description
fmt.Fprintf(w, "%s `%s`\n\n", strings.Repeat("#", depth), cmd.UseLine())
fmt.Fprintf(w, "%s\n\n", cmd.Short)
// Flags
// TODO: fold in InheritedFlags/PersistentFlags, but omit `--help` due to repetitiveness
if flagUsages := cmd.Flags().FlagUsages(); flagUsages != "" {
fmt.Fprintf(w, "```\n%s````\n\n", dedent(flagUsages))
}
// Subcommands
for _, c := range cmd.Commands() {
if c.Hidden {
continue
}
cmdRef(w, c, depth+1)
}
}
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