Fail when no parameter is provided to `-c|--cmd`

Forgot to add this check when the new option was introduced.

CHANGELOG.md

@@ -7,9 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-### Fixed
+### Added
 - Prompt before uninstalling modules, unless `-q` is set.
 
+### Fixed
+- Show error when no parameter is provided to `-c|--cmd`.
+
 ## [1.3.2] - 2020-08-01
 
 ### Fixed

src/stage2/30_zmodule.zsh.erb

@@ -70,7 +70,7 @@ Initialization options:
   fi
   while (( # > 0 )); do
     case ${1} in
-      -b|--branch|-t|--tag|-f|--fpath|-a|--autoload|-s|--source)
+      -b|--branch|-t|--tag|-f|--fpath|-a|--autoload|-s|--source|-c|--cmd)
         if (( # < 2 )); then
           print -u2 -PR "%F{red}<%= error %>${funcfiletrace[1]}:%B${zmodule}:%b Missing argument for zmodule option ${1}%f"$'\n\n'${zusage}
           _zfailed=1

src/zimfw.zsh.erb

@@ -6,7 +6,7 @@ class Zim
     @home = "${ZDOTDIR:-${HOME}}"
     @min_zsh_version = "5.2"
     @startup_files_glob = ".z(shenv|profile|shrc|login|logout)"
-    @version = "1.3.3-SNAPSHOT"
+    @version = "1.4.0-SNAPSHOT"
     @ellipsis = " ..."
     @okay = "%F{green})%f "
     @warn = "! "

zimfw.zsh

@@ -173,7 +173,7 @@ Initialization options:
   fi
   while (( # > 0 )); do
     case ${1} in
-      -b|--branch|-t|--tag|-f|--fpath|-a|--autoload|-s|--source)
+      -b|--branch|-t|--tag|-f|--fpath|-a|--autoload|-s|--source|-c|--cmd)
         if (( # < 2 )); then
           print -u2 -PR "%F{red}x ${funcfiletrace[1]}:%B${zmodule}:%b Missing argument for zmodule option ${1}%f"$'\n\n'${zusage}
           _zfailed=1
@@ -315,7 +315,7 @@ _zimfw_compile() {
 }
 
 _zimfw_info() {
-  print -R 'zimfw version: '${_zversion}' (previous commit is ef4fe38)'
+  print -R 'zimfw version: '${_zversion}' (previous commit is 78b4711)'
   print -R 'ZIM_HOME:      '${ZIM_HOME}
   print -R 'Zsh version:   '${ZSH_VERSION}
   print -R 'System info:   '$(command uname -a)
@@ -362,7 +362,7 @@ _zimfw_upgrade() {
 }
 
 zimfw() {
-  local -r _zversion='1.3.3-SNAPSHOT'
+  local -r _zversion='1.4.0-SNAPSHOT'
   local -r zusage="Usage: %B${0}%b <action> [%B-q%b|%B-v%b]
 
 Actions: