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+#compdef cpanm
+# ------------------------------------------------------------------------------
+# Description
+# -----------
+#
+#  Completion script for cpanm (http://search.cpan.org/dist/App-cpanminus/lib/App/cpanminus.pm).
+#
+#  Source: https://github.com/rshhh/cpanminus/blob/master/etc/_cpanm
+#
+# ------------------------------------------------------------------------------
+# Authors
+# -------
+#
+#  * Ryushi (https://github.com/rshhh)
+#
+# ------------------------------------------------------------------------------
+# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
+# vim: ft=zsh sw=2 ts=2 et
+# ------------------------------------------------------------------------------
+
+
+local arguments curcontext="$curcontext"
+typeset -A opt_args
+
+
+arguments=(
+
+# Commands
+#  '(--install -i)'{--install,-i}'[Installs the modules]'
+  '(- :)--self-upgrade[Upgrades itself]'
+  '(- :)--info[Displays distribution info on CPAN]'
+  '(--installdeps)--installdeps[Only install dependencies]'
+  '(--look)--look[Download/unpack the distribution and then open the directory with your shell]'
+  '(- :)'{--help,-h}'[Displays help information]'
+  '(- :)'{--version,-V}'[Displays software version]'
+
+# Options
+  {--force,-f}'[Force install]'
+  {--notest,-n}'[Do not run unit tests]'
+  {--sudo,-S}'[sudo to run install commands]'
+  '(-v --verbose --quiet -q)'{--verbose,-v}'[Turns on chatty output]'
+  '(-q --quiet --verbose -v)'{--quiet,-q}'[Turns off all output]'
+  {--local-lib,-l}'[Specify the install base to install modules]'
+  {--local-lib-contained,-L}'[Specify the install base to install all non-core modules]'
+  '--mirror[Specify the base URL for the mirror (e.g. http://cpan.cpantesters.org/)]:URLs:_urls'
+  '--mirror-only[Use the mirror\''s index file instead of the CPAN Meta DB]'
+  '--prompt[Prompt when configure/build/test fails]'
+  '--reinstall[Reinstall the distribution even if you already have the latest version installed]'
+  '--interactive[Turn on interactive configure]'
+
+  '--scandeps[Scan the depencencies of given modules and output the tree in a text format]'
+  '--format[Specify what format to display the scanned dependency tree]:scandeps format:(tree json yaml dists)'
+
+  '--save-dists[Specify the optional directory path to copy downloaded tarballs]'
+#  '--uninst-shadows[Uninstalls the shadow files of the distribution that you\''re installing]'
+
+  '--auto-cleanup[Number of days that cpanm\''s work directories expire in. Defaults to 7]'
+  '(--no-man-pages)--man-pages[Generates man pages for executables (man1) and libraries (man3)]'
+  '(--man-pages)--no-man-pages[Do not generate man pages]'
+
+
+  # Note: Normally with "--lwp", "--wget" and "--curl" options set to true (which is the default) cpanm tries LWP,
+  #            Wget, cURL and HTTP::Tiny (in that order) and uses the first one available.
+  # (So that the exclusions are not enabled here for the completion)
+  '(--lwp)--lwp[Use LWP module to download stuff]'
+  '(--wget)--wget[Use GNU Wget (if available) to download stuff]'
+  '(--curl)--curl[Use cURL (if available) to download stuff]'
+
+# Other completions
+  '*:Local directory or archive:_files -/ -g "*.(tar.gz|tgz|tar.bz2|zip)(-.)"'
+  #  '*::args: _normal' # this looks for default files (any files)
+)
+_arguments -s $arguments \
+  && return 0
+
+return 1
+