CLI: remove deps command

etc/completion.bash

@@ -14,7 +14,7 @@ _crystal()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
 
-    commands="init build deps docs eval play run spec tool help version --help --version"
+    commands="init build docs eval play run spec tool help version --help --version"
 
     case "${cmd}" in
         init)
@@ -32,19 +32,6 @@ _crystal()
                 COMPREPLY=($(_crystal_compgen_files $cur))
             fi
             ;;
-        deps)
-            if [[ ${cur} == -* ]] ; then
-                local opts="--no-color --version --production"
-                COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
-            else
-                if [[ "${prev}" == "deps" ]] ; then
-                    local subcommands="check install list update"
-                    COMPREPLY=( $(compgen -W "${subcommands}" -- ${cur}) )
-                else
-                    COMPREPLY=($(_crystal_compgen_files $cur))
-                fi
-            fi
-            ;;
         run)
             if [[ ${cur} == -* ]] ; then
                 local opts="--debug --define --emit --format --help --ll --link-flags --mcpu --no-color --no-codegen --prelude --release --stats --single-module --threads --verbose"

etc/completion.zsh

@@ -7,7 +7,6 @@ _crystal_commands() {
   commands=(
     "init:generate new crystal project"
     "build:build an executable"
-    "deps:install project dependencies"
     "docs:generate documentation"
     "env:print Crystal environment information"
     "eval:eval code from args or standard input"
@@ -100,18 +99,6 @@ _crystal-build() {
     && ret=0
 }
 
-_crystal-deps() {
-  _arguments \
-    '1:type:(build check init install list prune update)' \
-    $help_args \
-    $no_color_args \
-    '(--version)--version[version]' \
-    '(--production)--production[production mode]' \
-    '(-v --verbose)'{-v,--verbose}'[verbose mode]' \
-    '(-q --quiet)'{-q,--quiet}'[quiet mode]' \
-    && ret=0
-}
-
 _crystal-env() {
   _arguments \
     '(--help)--help[prints help]' \

man/crystal.1

@@ -56,11 +56,11 @@ The optimizations are not turned on by default because the compile times are muc
 .Bl -tag -width "12345678" -compact
 .Pp
 .Sh OPTIONS
-The crystal command accepts the following options 
+The crystal command accepts the following options
 
 .Bl -tag -width "12345678" -compact
 .Pp
-.It 
+.It
 .Cm init
 TYPE
 NAME
@@ -141,13 +141,6 @@ Display the commands executed by the system.
 Source file name to be read from STDIN.
 .El
 
-.Pp
-.It
-.Cm deps
-.Op options
-.Ar <command>
-.Pp
-Alias for shards, the dependency manager for Crystal language.
 .Pp
 .It
 .Cm docs

src/compiler/crystal/command.cr

@@ -18,7 +18,6 @@ class Crystal::Command
     Command:
         init                     generate a new project
         build                    build an executable
-        deps                     install project dependencies
         docs                     generate documentation
         env                      print Crystal environment information
         eval                     eval code from args or standard input
@@ -72,8 +71,8 @@ class Crystal::Command
       options.shift
       playground
     when "deps".starts_with?(command)
-      options.shift
-      deps
+      STDERR.puts "Please use 'shards': 'crystal deps' has been removed"
+      exit 1
     when "docs".starts_with?(command)
       options.shift
       docs