| package completion |
| |
| import ( |
| "bytes" |
| "fmt" |
| "io" |
| "sort" |
| "strings" |
| |
| "github.com/alecthomas/kong" |
| ) |
| |
| // Bash is a bash completion generator. |
| type Bash struct{} |
| |
| // Run generates bash completion script. |
| func (b Bash) Run(ctx *kong.Context) error { |
| buf := new(bytes.Buffer) |
| writePreamble(buf, ctx.Model.Name) |
| b.gen(buf, ctx.Model.Node) |
| writePostscript(buf, ctx.Model.Name) |
| |
| _, err := fmt.Fprint(ctx.Stdout, buf.String()) |
| if err != nil { |
| return fmt.Errorf("unable to generate bash completion: %v", err) |
| } |
| return nil |
| } |
| |
| // ShellCompDirective is a bit map representing the different behaviors the shell |
| // can be instructed to have once completions have been provided. |
| type ShellCompDirective int |
| |
| const ( |
| // ShellCompDirectiveError indicates an error occurred and completions should be ignored. |
| ShellCompDirectiveError ShellCompDirective = 1 << iota |
| |
| // ShellCompDirectiveNoSpace indicates that the shell should not add a space |
| // after the completion even if there is a single completion provided. |
| ShellCompDirectiveNoSpace |
| |
| // ShellCompDirectiveNoFileComp indicates that the shell should not provide |
| // file completion even when no completion is provided. |
| ShellCompDirectiveNoFileComp |
| |
| // ShellCompDirectiveFilterFileExt indicates that the provided completions |
| // should be used as file extension filters. |
| // For flags, using Command.MarkFlagFilename() and Command.MarkPersistentFlagFilename() |
| // is a shortcut to using this directive explicitly. The BashCompFilenameExt |
| // annotation can also be used to obtain the same behavior for flags. |
| ShellCompDirectiveFilterFileExt |
| |
| // ShellCompDirectiveFilterDirs indicates that only directory names should |
| // be provided in file completion. To request directory names within another |
| // directory, the returned completions should specify the directory within |
| // which to search. The BashCompSubdirsInDir annotation can be used to |
| // obtain the same behavior but only for flags. |
| ShellCompDirectiveFilterDirs |
| |
| // =========================================================================== |
| // |
| // All directives using iota should be above this one. |
| // For internal use. |
| shellCompDirectiveMaxValue //nolint:deadcode,unused,varcheck |
| |
| // ShellCompDirectiveDefault indicates to let the shell perform its default |
| // behavior after completions have been provided. |
| // This one must be last to avoid messing up the iota count. |
| ShellCompDirectiveDefault ShellCompDirective = 0 |
| ) |
| |
| // Annotations for Bash completion. |
| const ( |
| // ShellCompNoDescRequestCmd is the name of the hidden command that is used to request |
| // completion results without their description. It is used by the shell completion scripts. |
| ShellCompNoDescRequestCmd = "completion completeNoDesc" |
| BashCompFilenameExt = "kong_annotation_bash_completion_filename_extensions" |
| BashCompCustom = "kong_annotation_bash_completion_custom" |
| BashCompOneRequiredFlag = "kong_annotation_bash_completion_one_required_flag" |
| BashCompSubdirsInDir = "kong_annotation_bash_completion_subdirs_in_dir" |
| |
| activeHelpEnvVarSuffix = "_ACTIVE_HELP" |
| ) |
| |
| // activeHelpEnvVar returns the name of the program-specific ActiveHelp environment |
| // variable. It has the format <PROGRAM>_ACTIVE_HELP where <PROGRAM> is the name of the |
| // root command in upper case, with all - replaced by _. |
| func activeHelpEnvVar(name string) string { |
| // This format should not be changed: users will be using it explicitly. |
| activeHelpEnvVar := strings.ToUpper(fmt.Sprintf("%s%s", name, activeHelpEnvVarSuffix)) |
| return strings.ReplaceAll(activeHelpEnvVar, "-", "_") |
| } |
| |
| func writePreamble(buf io.StringWriter, name string) { |
| writeString(buf, fmt.Sprintf("# bash completion for %-36s -*- shell-script -*-\n", name)) |
| writeString(buf, fmt.Sprintf(` |
| __%[1]s_debug() |
| { |
| if [[ -n ${BASH_COMP_DEBUG_FILE:-} ]]; then |
| echo "$*" >> "${BASH_COMP_DEBUG_FILE}" |
| fi |
| } |
| |
| # Homebrew on Macs have version 1.3 of bash-completion which doesn't include |
| # _init_completion. This is a very minimal version of that function. |
| __%[1]s_init_completion() |
| { |
| COMPREPLY=() |
| _get_comp_words_by_ref "$@" cur prev words cword |
| } |
| |
| __%[1]s_index_of_word() |
| { |
| local w word=$1 |
| shift |
| index=0 |
| for w in "$@"; do |
| [[ $w = "$word" ]] && return |
| index=$((index+1)) |
| done |
| index=-1 |
| } |
| |
| __%[1]s_contains_word() |
| { |
| local w word=$1; shift |
| for w in "$@"; do |
| [[ $w = "$word" ]] && return |
| done |
| return 1 |
| } |
| |
| __%[1]s_handle_go_custom_completion() |
| { |
| __%[1]s_debug "${FUNCNAME[0]}: cur is ${cur}, words[*] is ${words[*]}, #words[@] is ${#words[@]}" |
| |
| local shellCompDirectiveError=%[3]d |
| local shellCompDirectiveNoSpace=%[4]d |
| local shellCompDirectiveNoFileComp=%[5]d |
| local shellCompDirectiveFilterFileExt=%[6]d |
| local shellCompDirectiveFilterDirs=%[7]d |
| |
| local out requestComp lastParam lastChar comp directive args |
| |
| # Prepare the command to request completions for the program. |
| # Calling ${words[0]} instead of directly %[1]s allows to handle aliases |
| args=("${words[@]:1}") |
| # Disable ActiveHelp which is not supported for bash completion v1 |
| requestComp="%[8]s=0 ${words[0]} %[2]s ${args[*]}" |
| |
| lastParam=${words[$((${#words[@]}-1))]} |
| lastChar=${lastParam:$((${#lastParam}-1)):1} |
| __%[1]s_debug "${FUNCNAME[0]}: lastParam ${lastParam}, lastChar ${lastChar}" |
| |
| if [ -z "${cur}" ] && [ "${lastChar}" != "=" ]; then |
| # If the last parameter is complete (there is a space following it) |
| # We add an extra empty parameter so we can indicate this to the go method. |
| __%[1]s_debug "${FUNCNAME[0]}: Adding extra empty parameter" |
| requestComp="${requestComp} \"\"" |
| fi |
| |
| __%[1]s_debug "${FUNCNAME[0]}: calling ${requestComp}" |
| # Use eval to handle any environment variables and such |
| out=$(eval "${requestComp}" 2>/dev/null) |
| |
| # Extract the directive integer at the very end of the output following a colon (:) |
| directive=${out##*:} |
| # Remove the directive |
| out=${out%%:*} |
| if [ "${directive}" = "${out}" ]; then |
| # There is not directive specified |
| directive=0 |
| fi |
| __%[1]s_debug "${FUNCNAME[0]}: the completion directive is: ${directive}" |
| __%[1]s_debug "${FUNCNAME[0]}: the completions are: ${out}" |
| |
| if [ $((directive & shellCompDirectiveError)) -ne 0 ]; then |
| # Error code. No completion. |
| __%[1]s_debug "${FUNCNAME[0]}: received error from custom completion go code" |
| return |
| else |
| if [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ]; then |
| if [[ $(type -t compopt) = "builtin" ]]; then |
| __%[1]s_debug "${FUNCNAME[0]}: activating no space" |
| compopt -o nospace |
| fi |
| fi |
| if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then |
| if [[ $(type -t compopt) = "builtin" ]]; then |
| __%[1]s_debug "${FUNCNAME[0]}: activating no file completion" |
| compopt +o default |
| fi |
| fi |
| fi |
| |
| if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then |
| # File extension filtering |
| local fullFilter filter filteringCmd |
| # Do not use quotes around the $out variable or else newline |
| # characters will be kept. |
| for filter in ${out}; do |
| fullFilter+="$filter|" |
| done |
| |
| filteringCmd="_filedir $fullFilter" |
| __%[1]s_debug "File filtering command: $filteringCmd" |
| $filteringCmd |
| elif [ $((directive & shellCompDirectiveFilterDirs)) -ne 0 ]; then |
| # File completion for directories only |
| local subdir |
| # Use printf to strip any trailing newline |
| subdir=$(printf "%%s" "${out}") |
| if [ -n "$subdir" ]; then |
| __%[1]s_debug "Listing directories in $subdir" |
| __%[1]s_handle_subdirs_in_dir_flag "$subdir" |
| else |
| __%[1]s_debug "Listing directories in ." |
| _filedir -d |
| fi |
| else |
| while IFS='' read -r comp; do |
| COMPREPLY+=("$comp") |
| done < <(compgen -W "${out}" -- "$cur") |
| fi |
| } |
| |
| __%[1]s_handle_reply() |
| { |
| __%[1]s_debug "${FUNCNAME[0]}" |
| local comp |
| case $cur in |
| -*) |
| if [[ $(type -t compopt) = "builtin" ]]; then |
| compopt -o nospace |
| fi |
| local allflags |
| if [ ${#must_have_one_flag[@]} -ne 0 ]; then |
| allflags=("${must_have_one_flag[@]}") |
| else |
| allflags=("${flags[*]} ${two_word_flags[*]}") |
| fi |
| while IFS='' read -r comp; do |
| COMPREPLY+=("$comp") |
| done < <(compgen -W "${allflags[*]}" -- "$cur") |
| if [[ $(type -t compopt) = "builtin" ]]; then |
| [[ "${COMPREPLY[0]}" == *= ]] || compopt +o nospace |
| fi |
| |
| # complete after --flag=abc |
| if [[ $cur == *=* ]]; then |
| if [[ $(type -t compopt) = "builtin" ]]; then |
| compopt +o nospace |
| fi |
| |
| local index flag |
| flag="${cur%%=*}" |
| __%[1]s_index_of_word "${flag}" "${flags_with_completion[@]}" |
| COMPREPLY=() |
| if [[ ${index} -ge 0 ]]; then |
| PREFIX="" |
| cur="${cur#*=}" |
| ${flags_completion[${index}]} |
| if [ -n "${ZSH_VERSION:-}" ]; then |
| # zsh completion needs --flag= prefix |
| eval "COMPREPLY=( \"\${COMPREPLY[@]/#/${flag}=}\" )" |
| fi |
| fi |
| fi |
| |
| if [[ -z "${flag_parsing_disabled}" ]]; then |
| # If flag parsing is enabled, we have completed the flags and can return. |
| # If flag parsing is disabled, we may not know all (or any) of the flags, so we fallthrough |
| # to possibly call handle_go_custom_completion. |
| return 0; |
| fi |
| ;; |
| esac |
| |
| # check if we are handling a flag with special work handling |
| local index |
| __%[1]s_index_of_word "${prev}" "${flags_with_completion[@]}" |
| if [[ ${index} -ge 0 ]]; then |
| ${flags_completion[${index}]} |
| return |
| fi |
| |
| # we are parsing a flag and don't have a special handler, no completion |
| if [[ ${cur} != "${words[cword]}" ]]; then |
| return |
| fi |
| |
| local completions |
| completions=("${commands[@]}") |
| if [[ ${#must_have_one_noun[@]} -ne 0 ]]; then |
| completions+=("${must_have_one_noun[@]}") |
| elif [[ -n "${has_completion_function}" ]]; then |
| # if a go completion function is provided, defer to that function |
| __%[1]s_handle_go_custom_completion |
| fi |
| if [[ ${#must_have_one_flag[@]} -ne 0 ]]; then |
| completions+=("${must_have_one_flag[@]}") |
| fi |
| while IFS='' read -r comp; do |
| COMPREPLY+=("$comp") |
| done < <(compgen -W "${completions[*]}" -- "$cur") |
| |
| if [[ ${#COMPREPLY[@]} -eq 0 && ${#noun_aliases[@]} -gt 0 && ${#must_have_one_noun[@]} -ne 0 ]]; then |
| while IFS='' read -r comp; do |
| COMPREPLY+=("$comp") |
| done < <(compgen -W "${noun_aliases[*]}" -- "$cur") |
| fi |
| |
| if [[ ${#COMPREPLY[@]} -eq 0 ]]; then |
| if declare -F __%[1]s_custom_func >/dev/null; then |
| # try command name qualified custom func |
| __%[1]s_custom_func |
| else |
| # otherwise fall back to unqualified for compatibility |
| declare -F __custom_func >/dev/null && __custom_func |
| fi |
| fi |
| |
| # available in bash-completion >= 2, not always present on macOS |
| if declare -F __ltrim_colon_completions >/dev/null; then |
| __ltrim_colon_completions "$cur" |
| fi |
| |
| # If there is only 1 completion and it is a flag with an = it will be completed |
| # but we don't want a space after the = |
| if [[ "${#COMPREPLY[@]}" -eq "1" ]] && [[ $(type -t compopt) = "builtin" ]] && [[ "${COMPREPLY[0]}" == --*= ]]; then |
| compopt -o nospace |
| fi |
| } |
| |
| # The arguments should be in the form "ext1|ext2|extn" |
| __%[1]s_handle_filename_extension_flag() |
| { |
| local ext="$1" |
| _filedir "@(${ext})" |
| } |
| |
| __%[1]s_handle_subdirs_in_dir_flag() |
| { |
| local dir="$1" |
| pushd "${dir}" >/dev/null 2>&1 && _filedir -d && popd >/dev/null 2>&1 || return |
| } |
| |
| __%[1]s_handle_flag() |
| { |
| __%[1]s_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}" |
| |
| # if a command required a flag, and we found it, unset must_have_one_flag() |
| local flagname=${words[c]} |
| local flagvalue="" |
| # if the word contained an = |
| if [[ ${words[c]} == *"="* ]]; then |
| flagvalue=${flagname#*=} # take in as flagvalue after the = |
| flagname=${flagname%%=*} # strip everything after the = |
| flagname="${flagname}=" # but put the = back |
| fi |
| __%[1]s_debug "${FUNCNAME[0]}: looking for ${flagname}" |
| if __%[1]s_contains_word "${flagname}" "${must_have_one_flag[@]}"; then |
| must_have_one_flag=() |
| fi |
| |
| # if you set a flag which only applies to this command, don't show subcommands |
| if __%[1]s_contains_word "${flagname}" "${local_nonpersistent_flags[@]}"; then |
| commands=() |
| fi |
| |
| # keep flag value with flagname as flaghash |
| # flaghash variable is an associative array which is only supported in bash > 3. |
| if [[ -z "${BASH_VERSION:-}" || "${BASH_VERSINFO[0]:-}" -gt 3 ]]; then |
| if [ -n "${flagvalue}" ] ; then |
| flaghash[${flagname}]=${flagvalue} |
| elif [ -n "${words[ $((c+1)) ]}" ] ; then |
| flaghash[${flagname}]=${words[ $((c+1)) ]} |
| else |
| flaghash[${flagname}]="true" # pad "true" for bool flag |
| fi |
| fi |
| |
| # skip the argument to a two word flag |
| if [[ ${words[c]} != *"="* ]] && __%[1]s_contains_word "${words[c]}" "${two_word_flags[@]}"; then |
| __%[1]s_debug "${FUNCNAME[0]}: found a flag ${words[c]}, skip the next argument" |
| c=$((c+1)) |
| # if we are looking for a flags value, don't show commands |
| if [[ $c -eq $cword ]]; then |
| commands=() |
| fi |
| fi |
| |
| c=$((c+1)) |
| |
| } |
| |
| __%[1]s_handle_noun() |
| { |
| __%[1]s_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}" |
| |
| if __%[1]s_contains_word "${words[c]}" "${must_have_one_noun[@]}"; then |
| must_have_one_noun=() |
| elif __%[1]s_contains_word "${words[c]}" "${noun_aliases[@]}"; then |
| must_have_one_noun=() |
| fi |
| |
| nouns+=("${words[c]}") |
| c=$((c+1)) |
| } |
| |
| __%[1]s_handle_command() |
| { |
| __%[1]s_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}" |
| |
| local next_command |
| if [[ -n ${last_command} ]]; then |
| next_command="_${last_command}_${words[c]//:/__}" |
| else |
| if [[ $c -eq 0 ]]; then |
| next_command="_%[1]s_root_command" |
| else |
| next_command="_${words[c]//:/__}" |
| fi |
| fi |
| c=$((c+1)) |
| __%[1]s_debug "${FUNCNAME[0]}: looking for ${next_command}" |
| declare -F "$next_command" >/dev/null && $next_command |
| } |
| |
| __%[1]s_handle_word() |
| { |
| if [[ $c -ge $cword ]]; then |
| __%[1]s_handle_reply |
| return |
| fi |
| __%[1]s_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}" |
| if [[ "${words[c]}" == -* ]]; then |
| __%[1]s_handle_flag |
| elif __%[1]s_contains_word "${words[c]}" "${commands[@]}"; then |
| __%[1]s_handle_command |
| elif [[ $c -eq 0 ]]; then |
| __%[1]s_handle_command |
| elif __%[1]s_contains_word "${words[c]}" "${command_aliases[@]}"; then |
| # aliashash variable is an associative array which is only supported in bash > 3. |
| if [[ -z "${BASH_VERSION:-}" || "${BASH_VERSINFO[0]:-}" -gt 3 ]]; then |
| words[c]=${aliashash[${words[c]}]} |
| __%[1]s_handle_command |
| else |
| __%[1]s_handle_noun |
| fi |
| else |
| __%[1]s_handle_noun |
| fi |
| __%[1]s_handle_word |
| } |
| |
| `, name, ShellCompNoDescRequestCmd, |
| ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp, |
| ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs, activeHelpEnvVar(name))) |
| } |
| |
| func writePostscript(buf io.StringWriter, name string) { |
| name = strings.ReplaceAll(name, ":", "__") |
| writeString(buf, fmt.Sprintf("__start_%s()\n", name)) |
| writeString(buf, fmt.Sprintf(`{ |
| local cur prev words cword split |
| declare -A flaghash 2>/dev/null || : |
| declare -A aliashash 2>/dev/null || : |
| if declare -F _init_completion >/dev/null 2>&1; then |
| _init_completion -s || return |
| else |
| __%[1]s_init_completion -n "=" || return |
| fi |
| |
| local c=0 |
| local flag_parsing_disabled= |
| local flags=() |
| local two_word_flags=() |
| local local_nonpersistent_flags=() |
| local flags_with_completion=() |
| local flags_completion=() |
| local commands=("%[1]s") |
| local command_aliases=() |
| local must_have_one_flag=() |
| local must_have_one_noun=() |
| local has_completion_function="" |
| local last_command="" |
| local nouns=() |
| local noun_aliases=() |
| |
| __%[1]s_handle_word |
| } |
| |
| `, name)) |
| writeString(buf, fmt.Sprintf(`if [[ $(type -t compopt) = "builtin" ]]; then |
| complete -o default -F __start_%s %s |
| else |
| complete -o default -o nospace -F __start_%s %s |
| fi |
| |
| `, name, name, name, name)) |
| writeString(buf, "# ex: ts=4 sw=4 et filetype=sh\n") |
| } |
| |
| func writeCommands(buf io.StringWriter, cmd *kong.Node) { |
| writeString(buf, " commands=()\n") |
| for _, c := range cmd.Children { |
| if c == nil || c.Hidden { |
| continue |
| } |
| writeString(buf, fmt.Sprintf(" commands+=(%q)\n", c.Name)) |
| writeCmdAliases(buf, c) |
| } |
| writeString(buf, "\n") |
| } |
| |
| func writeFlagHandler(buf io.StringWriter, name string, annotations map[string][]string, cmd *kong.Node) { |
| for key, value := range annotations { |
| switch key { |
| case BashCompFilenameExt: |
| writeString(buf, fmt.Sprintf(" flags_with_completion+=(%q)\n", name)) |
| |
| var ext string |
| if len(value) > 0 { |
| ext = fmt.Sprintf("__%s_handle_filename_extension_flag ", cmd.Parent.Name) + strings.Join(value, "|") |
| } else { |
| ext = "_filedir" |
| } |
| writeString(buf, fmt.Sprintf(" flags_completion+=(%q)\n", ext)) |
| case BashCompCustom: |
| writeString(buf, fmt.Sprintf(" flags_with_completion+=(%q)\n", name)) |
| |
| if len(value) > 0 { |
| handlers := strings.Join(value, "; ") |
| writeString(buf, fmt.Sprintf(" flags_completion+=(%q)\n", handlers)) |
| } else { |
| writeString(buf, " flags_completion+=(:)\n") |
| } |
| case BashCompSubdirsInDir: |
| writeString(buf, fmt.Sprintf(" flags_with_completion+=(%q)\n", name)) |
| |
| var ext string |
| if len(value) == 1 { |
| ext = fmt.Sprintf("__%s_handle_subdirs_in_dir_flag ", cmd.Parent.Name) + value[0] |
| } else { |
| ext = "_filedir -d" |
| } |
| writeString(buf, fmt.Sprintf(" flags_completion+=(%q)\n", ext)) |
| } |
| } |
| } |
| |
| const cbn = "\")\n" |
| |
| func writeShortFlag(buf io.StringWriter, flag *kong.Flag, cmd *kong.Node) { |
| name := fmt.Sprintf("%c", flag.Short) |
| format := " " |
| if len(flag.DefaultValue.String()) == 0 { |
| format += "two_word_" |
| } |
| format += "flags+=(\"-%s" + cbn |
| writeString(buf, fmt.Sprintf(format, name)) |
| writeFlagHandler(buf, "-"+name, map[string][]string{}, cmd) |
| } |
| |
| func writeFlag(buf io.StringWriter, flag *kong.Flag, cmd *kong.Node) { |
| name := flag.Name |
| format := " flags+=(\"--%s" |
| if len(flag.DefaultValue.String()) == 0 { |
| format += "=" |
| } |
| format += cbn |
| writeString(buf, fmt.Sprintf(format, name)) |
| if len(flag.DefaultValue.String()) == 0 { |
| format = " two_word_flags+=(\"--%s" + cbn |
| writeString(buf, fmt.Sprintf(format, name)) |
| } |
| writeFlagHandler(buf, "--"+name, map[string][]string{}, cmd) |
| } |
| |
| //nolint:deadcode,unused |
| func writeLocalNonPersistentFlag(buf io.StringWriter, flag *kong.Flag) { |
| name := flag.Name |
| format := " local_nonpersistent_flags+=(\"--%[1]s" + cbn |
| if len(flag.DefaultValue.String()) == 0 { |
| format += " local_nonpersistent_flags+=(\"--%[1]s=" + cbn |
| } |
| writeString(buf, fmt.Sprintf(format, name)) |
| if flag.Short > 0 { |
| writeString(buf, fmt.Sprintf(" local_nonpersistent_flags+=(\"-%c\")\n", flag.Short)) |
| } |
| } |
| |
| func writeFlags(buf io.StringWriter, cmd *kong.Node) { |
| writeString(buf, ` flags=() |
| two_word_flags=() |
| local_nonpersistent_flags=() |
| flags_with_completion=() |
| flags_completion=() |
| |
| `) |
| |
| for _, flag := range cmd.Flags { |
| if nonCompletableFlag(flag) { |
| continue |
| } |
| writeFlag(buf, flag, cmd) |
| if flag.Short != 0 { |
| writeShortFlag(buf, flag, cmd) |
| } |
| } |
| |
| writeString(buf, "\n") |
| } |
| |
| func writeCmdAliases(buf io.StringWriter, cmd *kong.Node) { |
| if len(cmd.Aliases) == 0 { |
| return |
| } |
| |
| sort.Strings(cmd.Aliases) |
| |
| writeString(buf, fmt.Sprint(` if [[ -z "${BASH_VERSION:-}" || "${BASH_VERSINFO[0]:-}" -gt 3 ]]; then`, "\n")) |
| for _, value := range cmd.Aliases { |
| writeString(buf, fmt.Sprintf(" command_aliases+=(%q)\n", value)) |
| writeString(buf, fmt.Sprintf(" aliashash[%q]=%q\n", value, cmd.Name)) |
| } |
| writeString(buf, ` fi`) |
| writeString(buf, "\n") |
| } |
| func writeArgAliases(buf io.StringWriter, cmd *kong.Node) { |
| writeString(buf, " noun_aliases=()\n") |
| sort.Strings(cmd.Aliases) |
| for _, value := range cmd.Aliases { |
| writeString(buf, fmt.Sprintf(" noun_aliases+=(%q)\n", value)) |
| } |
| } |
| |
| func (b Bash) gen(buf io.StringWriter, cmd *kong.Node) { |
| for _, c := range cmd.Children { |
| if c == nil || c.Hidden { |
| continue |
| } |
| b.gen(buf, c) |
| } |
| commandName := cmd.FullPath() |
| commandName = strings.ReplaceAll(commandName, " ", "_") |
| commandName = strings.ReplaceAll(commandName, ":", "__") |
| |
| if cmd.Parent == nil { |
| writeString(buf, fmt.Sprintf("_%s_root_command()\n{\n", commandName)) |
| } else { |
| writeString(buf, fmt.Sprintf("_%s()\n{\n", commandName)) |
| } |
| |
| writeString(buf, fmt.Sprintf(" last_command=%q\n", commandName)) |
| writeString(buf, "\n") |
| writeString(buf, " command_aliases=()\n") |
| writeString(buf, "\n") |
| |
| writeCommands(buf, cmd) |
| writeFlags(buf, cmd) |
| writeArgAliases(buf, cmd) |
| writeString(buf, "}\n\n") |
| } |
