#
# Exposes information about the Perl environment via the $perl_info associative
# array.
#
# Authors:
#   JINNOUCHI Yasushi <delphinus@remora.cx>
#

local version
local version_format
local version_formatted

# Clean up previous $perl_info.
unset perl_info
typeset -gA perl_info

if (( $+commands[perlbrew] )); then
  version=${${(F)${(f)"$(perlbrew list)"}:# *}[(w)2]}
elif (( $+commands[plenv] )); then
  version=$(plenv version-name)
elif (( $+commands[perl] )); then
  version=$(perl -e 'printf "%vd", $^V')
fi

# Format version.
if [[ -n "$version" ]]; then
  zstyle -s ':prezto:module:perl:info:version' format 'version_format'
  zformat -f version_formatted "$version_format" "v:$version"
  perl_info[version]="$version_formatted"
fi