add plenv prompt segment; see #342

config/p10k-classic.zsh

@@ -64,6 +64,7 @@
       fvm                     # flutter version management (https://github.com/leoafarias/fvm)
       luaenv                  # lua version from luaenv (https://github.com/cehoffman/luaenv)
       jenv                    # java version from jenv (https://github.com/jenv/jenv)
+      plenv                   # perl version from plenv (https://github.com/tokuhirom/plenv)
       kubecontext             # current kubernetes context (https://kubernetes.io/)
       terraform               # terraform workspace (https://www.terraform.io)
       aws                     # aws profile (https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-profiles.html)
@@ -744,6 +745,17 @@
   # Custom icon.
   # typeset -g POWERLEVEL9K_JENV_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
+  ###########[ plenv: perl version from plenv (https://github.com/tokuhirom/plenv) ]############
+  # Perl color.
+  typeset -g POWERLEVEL9K_PLENV_FOREGROUND=67
+  # Hide perl version if it doesn't come from one of these sources.
+  typeset -g POWERLEVEL9K_PLENV_SOURCES=(shell local global)
+  # If set to false, hide perl version if it's the same as global:
+  # $(plenv version-name) == $(plenv global).
+  typeset -g POWERLEVEL9K_PLENV_PROMPT_ALWAYS_SHOW=false
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_PLENV_VISUAL_IDENTIFIER_EXPANSION='⭐'
+
   ################[ terraform: terraform workspace (https://www.terraform.io) ]#################
   # Terraform color.
   typeset -g POWERLEVEL9K_TERRAFORM_FOREGROUND=38

config/p10k-lean.zsh

@@ -64,6 +64,7 @@
       fvm                     # flutter version management (https://github.com/leoafarias/fvm)
       luaenv                  # lua version from luaenv (https://github.com/cehoffman/luaenv)
       jenv                    # java version from jenv (https://github.com/jenv/jenv)
+      plenv                   # perl version from plenv (https://github.com/tokuhirom/plenv)
       kubecontext             # current kubernetes context (https://kubernetes.io/)
       terraform               # terraform workspace (https://www.terraform.io)
       aws                     # aws profile (https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-profiles.html)
@@ -720,6 +721,17 @@
   # Custom icon.
   # typeset -g POWERLEVEL9K_JENV_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
+  ###########[ plenv: perl version from plenv (https://github.com/tokuhirom/plenv) ]############
+  # Perl color.
+  typeset -g POWERLEVEL9K_PLENV_FOREGROUND=67
+  # Hide perl version if it doesn't come from one of these sources.
+  typeset -g POWERLEVEL9K_PLENV_SOURCES=(shell local global)
+  # If set to false, hide perl version if it's the same as global:
+  # $(plenv version-name) == $(plenv global).
+  typeset -g POWERLEVEL9K_PLENV_PROMPT_ALWAYS_SHOW=false
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_PLENV_VISUAL_IDENTIFIER_EXPANSION='⭐'
+
   #############[ kubecontext: current kubernetes context (https://kubernetes.io/) ]#############
   # Kubernetes context classes for the purpose of using different colors, icons and expansions with
   # different contexts.

config/p10k-rainbow.zsh

@@ -64,6 +64,7 @@
       fvm                     # flutter version management (https://github.com/leoafarias/fvm)
       luaenv                  # lua version from luaenv (https://github.com/cehoffman/luaenv)
       jenv                    # java version from jenv (https://github.com/jenv/jenv)
+      plenv                   # perl version from plenv (https://github.com/tokuhirom/plenv)
       kubecontext             # current kubernetes context (https://kubernetes.io/)
       terraform               # terraform workspace (https://www.terraform.io)
       aws                     # aws profile (https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-profiles.html)
@@ -766,6 +767,18 @@
   # Custom icon.
   # typeset -g POWERLEVEL9K_JENV_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
+  ###########[ plenv: perl version from plenv (https://github.com/tokuhirom/plenv) ]############
+  # Perl color.
+  # typeset -g POWERLEVEL9K_PLENV_FOREGROUND=0
+  # typeset -g POWERLEVEL9K_PLENV_BACKGROUND=4
+  # Hide perl version if it doesn't come from one of these sources.
+  typeset -g POWERLEVEL9K_PLENV_SOURCES=(shell local global)
+  # If set to false, hide perl version if it's the same as global:
+  # $(plenv version-name) == $(plenv global).
+  typeset -g POWERLEVEL9K_PLENV_PROMPT_ALWAYS_SHOW=false
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_PLENV_VISUAL_IDENTIFIER_EXPANSION='⭐'
+
   ################[ terraform: terraform workspace (https://www.terraform.io) ]#################
   # Terraform color.
   # typeset -g POWERLEVEL9K_TERRAFORM_FOREGROUND=4

internal/icons.zsh

@@ -121,6 +121,7 @@ function _p9k_init_icons() {
         FLUTTER_ICON                   'F'
         GCLOUD_ICON                    'G'
         LUA_ICON                       'lua'
+        PERL_ICON                      'perl'
       )
     ;;
     'awesome-fontconfig')
@@ -229,6 +230,7 @@ function _p9k_init_icons() {
         FLUTTER_ICON                   'F'
         GCLOUD_ICON                    'G'
         LUA_ICON                       'lua'
+        PERL_ICON                      'perl'
       )
     ;;
     'awesome-mapped-fontconfig')
@@ -341,6 +343,7 @@ function _p9k_init_icons() {
         FLUTTER_ICON                   'F'
         GCLOUD_ICON                    'G'
         LUA_ICON                       'lua'
+        PERL_ICON                      'perl'
       )
     ;;
     'nerdfont-complete'|'nerdfont-fontconfig')
@@ -450,6 +453,7 @@ function _p9k_init_icons() {
         FLUTTER_ICON                   'F'
         GCLOUD_ICON                    '\uF7B7'               # 
         LUA_ICON                       '\uE620'               # 
+        PERL_ICON                      '\uE769'               # 
       )
     ;;
     *)
@@ -558,6 +562,7 @@ function _p9k_init_icons() {
         FLUTTER_ICON                   'F'
         GCLOUD_ICON                    'G'
         LUA_ICON                       'lua'
+        PERL_ICON                      'perl'
       )
     ;;
   esac

internal/p10k.zsh

@@ -2215,6 +2215,53 @@ function _p9k_jenv_global_version() {
   _p9k_read_jenv_version_file ${JENV_ROOT:-$HOME/.jenv}/version || _p9k_ret=system
 }
 
+function _p9k_read_plenv_version_file() {
+  [[ -r $1 ]] || return
+  local rest
+  read _p9k_ret rest <$1 2>/dev/null
+  [[ -n $_p9k_ret ]]
+}
+
+function _p9k_plenv_global_version() {
+  _p9k_read_plenv_version_file ${PLENV_ROOT:-$HOME/.plenv}/version || _p9k_ret=system
+}
+
+################################################################
+# Segment to display plenv information
+# https://github.com/plenv/plenv#choosing-the-perl-version
+prompt_plenv() {
+  (( $+commands[plenv] || $+functions[plenv] )) || return
+  if [[ -n $PLENV_VERSION ]]; then
+    (( ${_POWERLEVEL9K_PLENV_SOURCES[(I)shell]} )) || return
+    local v=$PLENV_VERSION
+  else
+    (( ${_POWERLEVEL9K_PLENV_SOURCES[(I)local|global]} )) || return
+    [[ $PLENV_DIR == /* ]] && local dir=$PLENV_DIR || local dir="$_p9k_pwd_a/$PLENV_DIR"
+    while true; do
+      if _p9k_read_plenv_version_file $dir/.perl-version; then
+        (( ${_POWERLEVEL9K_PLENV_SOURCES[(I)local]} )) || return
+        local v=$_p9k_ret
+        break
+      fi
+      if [[ $dir == / ]]; then
+        (( _POWERLEVEL9K_PLENV_PROMPT_ALWAYS_SHOW )) || return
+        (( ${_POWERLEVEL9K_PLENV_SOURCES[(I)global]} )) || return
+        _p9k_plenv_global_version
+        local v=$_p9k_ret
+        break
+      fi
+      dir=${dir:h}
+    done
+  fi
+
+  if (( !_POWERLEVEL9K_PLENV_PROMPT_ALWAYS_SHOW )); then
+    _p9k_plenv_global_version
+    [[ $v == $_p9k_ret ]] && return
+  fi
+
+  _p9k_prompt_segment "$0" "blue" "$_p9k_color1" 'PERL_ICON' 0 '' "${v//\%/%%}"
+}
+
 ################################################################
 # Segment to display jenv information
 # https://github.com/jenv/jenv
@@ -5032,6 +5079,8 @@ _p9k_init_params() {
   _p9k_declare -a POWERLEVEL9K_LUAENV_SOURCES -- shell local global
   _p9k_declare -b POWERLEVEL9K_JENV_PROMPT_ALWAYS_SHOW 0
   _p9k_declare -a POWERLEVEL9K_JENV_SOURCES -- shell local global
+  _p9k_declare -b POWERLEVEL9K_PLENV_PROMPT_ALWAYS_SHOW 0
+  _p9k_declare -a POWERLEVEL9K_PLENV_SOURCES -- shell local global
   _p9k_declare -b POWERLEVEL9K_RVM_SHOW_GEMSET 0
   _p9k_declare -b POWERLEVEL9K_RVM_SHOW_PREFIX 0
   _p9k_declare -b POWERLEVEL9K_CHRUBY_SHOW_VERSION 1
@@ -5618,7 +5667,7 @@ _p9k_must_init() {
     [[ $sig == $_p9k__param_sig ]] && return 1
     _p9k_deinit
   fi
-  _p9k__param_pat=$'v20\1'${ZSH_VERSION}$'\1'${ZSH_PATCHLEVEL}$'\1'
+  _p9k__param_pat=$'v21\1'${ZSH_VERSION}$'\1'${ZSH_PATCHLEVEL}$'\1'
   _p9k__param_pat+=$'${#parameters[(I)POWERLEVEL9K_*]}\1${(%):-%n%#}\1$GITSTATUS_LOG_LEVEL\1'
   _p9k__param_pat+=$'$GITSTATUS_ENABLE_LOGGING\1$GITSTATUS_DAEMON\1$GITSTATUS_NUM_THREADS\1'
   _p9k__param_pat+=$'$DEFAULT_USER\1${ZLE_RPROMPT_INDENT:-1}\1$P9K_SSH\1$__p9k_ksh_arrays'