hack: add shell completion

Signed-off-by: NDCCooper <1866858@gmail.com>

cmd/cli/main.go

@@ -105,5 +105,15 @@ func addCommands(cmd *cobra.Command) {
 		NewLoginCmd(),
 		NewLogoutCmd(),
 		NewInfoCmd(),
+		completionCmd,
 	)
 }
+
+// "completion" command to generate bash completion script
+var completionCmd = &cobra.Command{
+	Use:    "completion",
+	Hidden: true,
+	Run: func(cmd *cobra.Command, args []string) {
+		cmd.Root().GenBashCompletion(os.Stdout) // nolint
+	},
+}

cmd/daemon/main.go

@@ -64,9 +64,25 @@ func newDaemonCommand() *cobra.Command {
 	rootCmd.PersistentFlags().BoolP("version", "v", false, "Version for isula-build daemon")
 
 	rootCmd.SetFlagErrorFunc(util.FlagErrorFunc)
+	addCommands(rootCmd)
+
 	return rootCmd
 }
 
+func addCommands(cmd *cobra.Command) {
+	cmd.AddCommand(
+		completionCmd,
+	)
+}
+
+var completionCmd = &cobra.Command{
+	Use:    "completion",
+	Hidden: true,
+	Run: func(cmd *cobra.Command, args []string) {
+		cmd.Root().GenBashCompletion(os.Stdout) // nolint
+	},
+}
+
 func runDaemon(cmd *cobra.Command, args []string) error {
 	store, err := store.GetStore()
 	if err != nil {

hack/bash_completion_isula-builder

+# bash completion for isula-builder                        -*- shell-script -*-
+# To enable the completions for bash, place this file in "/etc/bash_completion.d"
+# or just "source" it for temporary use
+
+__isula-builder_debug()
+{
+    if [[ -n ${BASH_COMP_DEBUG_FILE} ]]; then
+        echo "$*" >> "${BASH_COMP_DEBUG_FILE}"
+    fi
+}
+
+# Homebrew on Macs have version 1.3 of bash-completion which doesn't include
+# _init_completion. This is a very minimal version of that function.
+__isula-builder_init_completion()
+{
+    COMPREPLY=()
+    _get_comp_words_by_ref "$@" cur prev words cword
+}
+
+__isula-builder_index_of_word()
+{
+    local w word=$1
+    shift
+    index=0
+    for w in "$@"; do
+        [[ $w = "$word" ]] && return
+        index=$((index+1))
+    done
+    index=-1
+}
+
+__isula-builder_contains_word()
+{
+    local w word=$1; shift
+    for w in "$@"; do
+        [[ $w = "$word" ]] && return
+    done
+    return 1
+}
+
+__isula-builder_handle_go_custom_completion()
+{
+    __isula-builder_debug "${FUNCNAME[0]}: cur is ${cur}, words[*] is ${words[*]}, #words[@] is ${#words[@]}"
+
+    local out requestComp lastParam lastChar comp directive args
+
+    # Prepare the command to request completions for the program.
+    # Calling ${words[0]} instead of directly isula-builder allows to handle aliases
+    args=("${words[@]:1}")
+    requestComp="${words[0]} __completeNoDesc ${args[*]}"
+
+    lastParam=${words[$((${#words[@]}-1))]}
+    lastChar=${lastParam:$((${#lastParam}-1)):1}
+    __isula-builder_debug "${FUNCNAME[0]}: lastParam ${lastParam}, lastChar ${lastChar}"
+
+    if [ -z "${cur}" ] && [ "${lastChar}" != "=" ]; then
+        # If the last parameter is complete (there is a space following it)
+        # We add an extra empty parameter so we can indicate this to the go method.
+        __isula-builder_debug "${FUNCNAME[0]}: Adding extra empty parameter"
+        requestComp="${requestComp} \"\""
+    fi
+
+    __isula-builder_debug "${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}" = "${out}" ]; then
+        # There is not directive specified
+        directive=0
+    fi
+    __isula-builder_debug "${FUNCNAME[0]}: the completion directive is: ${directive}"
+    __isula-builder_debug "${FUNCNAME[0]}: the completions are: ${out[*]}"
+
+    if [ $((directive & 1)) -ne 0 ]; then
+        # Error code.  No completion.
+        __isula-builder_debug "${FUNCNAME[0]}: received error from custom completion go code"
+        return
+    else
+        if [ $((directive & 2)) -ne 0 ]; then
+            if [[ $(type -t compopt) = "builtin" ]]; then
+                __isula-builder_debug "${FUNCNAME[0]}: activating no space"
+                compopt -o nospace
+            fi
+        fi
+        if [ $((directive & 4)) -ne 0 ]; then
+            if [[ $(type -t compopt) = "builtin" ]]; then
+                __isula-builder_debug "${FUNCNAME[0]}: activating no file completion"
+                compopt +o default
+            fi
+        fi
+
+        while IFS='' read -r comp; do
+            COMPREPLY+=("$comp")
+        done < <(compgen -W "${out[*]}" -- "$cur")
+    fi
+}
+
+__isula-builder_handle_reply()
+{
+    __isula-builder_debug "${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%=*}"
+                __isula-builder_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
+            return 0;
+            ;;
+    esac
+
+    # check if we are handling a flag with special work handling
+    local index
+    __isula-builder_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
+        completions=()
+        __isula-builder_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 [[ ${#COMPREPLY[@]} -eq 0 ]]; then
+		if declare -F __isula-builder_custom_func >/dev/null; then
+			# try command name qualified custom func
+			__isula-builder_custom_func
+		else
+			# otherwise fall back to unqualified for compatibility
+			declare -F __custom_func >/dev/null && __custom_func
+		fi
+    fi
+
+    # available in bash-completion >= 2, not always present on macOS
+    if declare -F __ltrim_colon_completions >/dev/null; then
+        __ltrim_colon_completions "$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"
+__isula-builder_handle_filename_extension_flag()
+{
+    local ext="$1"
+    _filedir "@(${ext})"
+}
+
+__isula-builder_handle_subdirs_in_dir_flag()
+{
+    local dir="$1"
+    pushd "${dir}" >/dev/null 2>&1 && _filedir -d && popd >/dev/null 2>&1 || return
+}
+
+__isula-builder_handle_flag()
+{
+    __isula-builder_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
+    __isula-builder_debug "${FUNCNAME[0]}: looking for ${flagname}"
+    if __isula-builder_contains_word "${flagname}" "${must_have_one_flag[@]}"; then
+        must_have_one_flag=()
+    fi
+
+    # if you set a flag which only applies to this command, don't show subcommands
+    if __isula-builder_contains_word "${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 [[ ${words[c]} != *"="* ]] && __isula-builder_contains_word "${words[c]}" "${two_word_flags[@]}"; then
+			  __isula-builder_debug "${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))
+
+}
+
+__isula-builder_handle_noun()
+{
+    __isula-builder_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
+
+    if __isula-builder_contains_word "${words[c]}" "${must_have_one_noun[@]}"; then
+        must_have_one_noun=()
+    elif __isula-builder_contains_word "${words[c]}" "${noun_aliases[@]}"; then
+        must_have_one_noun=()
+    fi
+
+    nouns+=("${words[c]}")
+    c=$((c+1))
+}
+
+__isula-builder_handle_command()
+{
+    __isula-builder_debug "${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 [[ $c -eq 0 ]]; then
+            next_command="_isula-builder_root_command"
+        else
+            next_command="_${words[c]//:/__}"
+        fi
+    fi
+    c=$((c+1))
+    __isula-builder_debug "${FUNCNAME[0]}: looking for ${next_command}"
+    declare -F "$next_command" >/dev/null && $next_command
+}
+
+__isula-builder_handle_word()
+{
+    if [[ $c -ge $cword ]]; then
+        __isula-builder_handle_reply
+        return
+    fi
+    __isula-builder_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
+    if [[ "${words[c]}" == -* ]]; then
+        __isula-builder_handle_flag
+    elif __isula-builder_contains_word "${words[c]}" "${commands[@]}"; then
+        __isula-builder_handle_command
+    elif [[ $c -eq 0 ]]; then
+        __isula-builder_handle_command
+    elif __isula-builder_contains_word "${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]}]}
+            __isula-builder_handle_command
+        else
+            __isula-builder_handle_noun
+        fi
+    else
+        __isula-builder_handle_noun
+    fi
+    __isula-builder_handle_word
+}
+
+_isula-builder_root_command()
+{
+    last_command="isula-builder"
+
+    command_aliases=()
+
+    commands=()
+
+    flags=()
+    two_word_flags=()
+    local_nonpersistent_flags=()
+    flags_with_completion=()
+    flags_completion=()
+
+    flags+=("--config=")
+    two_word_flags+=("--config")
+    two_word_flags+=("-c")
+    flags+=("--dataroot=")
+    two_word_flags+=("--dataroot")
+    flags+=("--debug")
+    flags+=("-D")
+    flags+=("--help")
+    flags+=("-h")
+    flags+=("--log-level=")
+    two_word_flags+=("--log-level")
+    flags+=("--runroot=")
+    two_word_flags+=("--runroot")
+    flags+=("--storage-driver=")
+    two_word_flags+=("--storage-driver")
+    flags+=("--storage-opt=")
+    two_word_flags+=("--storage-opt")
+    flags+=("--version")
+    flags+=("-v")
+
+    must_have_one_flag=()
+    must_have_one_noun=()
+    noun_aliases=()
+}
+
+__start_isula-builder()
+{
+    local cur prev words cword
+    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
+        __isula-builder_init_completion -n "=" || return
+    fi
+
+    local c=0
+    local flags=()
+    local two_word_flags=()
+    local local_nonpersistent_flags=()
+    local flags_with_completion=()
+    local flags_completion=()
+    local commands=("isula-builder")
+    local must_have_one_flag=()
+    local must_have_one_noun=()
+    local has_completion_function
+    local last_command
+    local nouns=()
+
+    __isula-builder_handle_word
+}
+
+if [[ $(type -t compopt) = "builtin" ]]; then
+    complete -o default -F __start_isula-builder isula-builder
+else
+    complete -o default -o nospace -F __start_isula-builder isula-builder
+fi
+
+# ex: ts=4 sw=4 et filetype=sh

hack/zsh_completion_isula-build

+#compdef _isula-build isula-build
+# To enable the completions for zsh, place this file in "/usr/share/zsh/site-functions" and do the command: autoload -Uz compinit && compinit
+
+
+function _isula-build {
+  local -a commands
+
+  _arguments -C \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]' \
+    "1: :->cmnds" \
+    "*::arg:->args"
+
+  case $state in
+  cmnds)
+    commands=(
+      "ctr-img:Container Image Operations"
+      "info:Show isula-build system information"
+      "login:Login to an image registry"
+      "logout:Logout from an image registry"
+      "version:Show the isula-build version information"
+    )
+    _describe "command" commands
+    ;;
+  esac
+
+  case "$words[1]" in
+  ctr-img)
+    _isula-build_ctr-img
+    ;;
+  info)
+    _isula-build_info
+    ;;
+  login)
+    _isula-build_login
+    ;;
+  logout)
+    _isula-build_logout
+    ;;
+  version)
+    _isula-build_version
+    ;;
+  esac
+}
+
+
+function _isula-build_ctr-img {
+  local -a commands
+
+  _arguments -C \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]' \
+    "1: :->cmnds" \
+    "*::arg:->args"
+
+  case $state in
+  cmnds)
+    commands=(
+      "build:Build container images"
+      "images:List locally stored images"
+      "import:Import the base image from a tarball to the image store"
+      "load:Load images"
+      "rm:Remove one or more locally stored images"
+      "save:Save image to tarball"
+      "tag:create a tag for source image"
+    )
+    _describe "command" commands
+    ;;
+  esac
+
+  case "$words[1]" in
+  build)
+    _isula-build_ctr-img_build
+    ;;
+  images)
+    _isula-build_ctr-img_images
+    ;;
+  import)
+    _isula-build_ctr-img_import
+    ;;
+  load)
+    _isula-build_ctr-img_load
+    ;;
+  rm)
+    _isula-build_ctr-img_rm
+    ;;
+  save)
+    _isula-build_ctr-img_save
+    ;;
+  tag)
+    _isula-build_ctr-img_tag
+    ;;
+  esac
+}
+
+function _isula-build_ctr-img_build {
+  _arguments \
+    '*--build-arg[Arguments used during build time]:' \
+    '--build-static[Static build with the given option]:' \
+    '(-f --filename)'{-f,--filename}'[Path for Dockerfile]:' \
+    '--iidfile[Write image ID to the file]:' \
+    '(-o --output)'{-o,--output}'[Destination of output images]:' \
+    '--proxy[Inherit proxy environment variables from host]' \
+    '--tag[Add tag to the built image]:' \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]'
+}
+
+function _isula-build_ctr-img_images {
+  _arguments \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]'
+}
+
+function _isula-build_ctr-img_import {
+  _arguments \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]'
+}
+
+function _isula-build_ctr-img_load {
+  _arguments \
+    '(-i --input)'{-i,--input}'[Path to local tarball]:' \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]'
+}
+
+function _isula-build_ctr-img_rm {
+  _arguments \
+    '(-a --all)'{-a,--all}'[Remove all images]' \
+    '(-p --prune)'{-p,--prune}'[Remove all untagged images]' \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]'
+}
+
+function _isula-build_ctr-img_save {
+  _arguments \
+    '(-o --output)'{-o,--output}'[Path to save the tarball]:' \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]'
+}
+
+function _isula-build_ctr-img_tag {
+  _arguments \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]'
+}
+
+function _isula-build_info {
+  _arguments \
+    '(-H --human-readable)'{-H,--human-readable}'[print memory info in human readable format, use powers of 1000]' \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]'
+}
+
+function _isula-build_login {
+  _arguments \
+    '(-p --password-stdin)'{-p,--password-stdin}'[Read password from stdin]' \
+    '(-u --username)'{-u,--username}'[Username to access registry]:' \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]'
+}
+
+function _isula-build_logout {
+  _arguments \
+    '(-a --all)'{-a,--all}'[Logout all registries]' \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]'
+}
+
+function _isula-build_version {
+  _arguments \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '(-t --timeout)'{-t,--timeout}'[Timeout for connecting to daemon]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build client]'
+}
+

hack/zsh_completion_isula-builder

+#compdef _isula-builder isula-builder
+# To enable the completions for zsh, place this file in "/usr/share/zsh/site-functions" and do the command: autoload -Uz compinit && compinit
+
+function _isula-builder {
+  _arguments \
+    '(-c --config)'{-c,--config}'[Config file path]:' \
+    '--dataroot[Persistent dir]:' \
+    '(-D --debug)'{-D,--debug}'[Open debug mode]' \
+    '(-h --help)'{-h,--help}'[Print usage]' \
+    '--log-level[Log level to be used. Either "debug", "info", "warn" or "error"]:' \
+    '--runroot[Runtime dir]:' \
+    '--storage-driver[Storage-driver]:' \
+    '*--storage-opt[Storage driver option]:' \
+    '(-v --version)'{-v,--version}'[Version for isula-build daemon]'
+}
+