bug fix: java version depends on JAVA_HOME (fixes #572)

internal/p10k.zsh

@@ -4282,12 +4282,18 @@ prompt_java_version() {
   if (( _POWERLEVEL9K_JAVA_VERSION_PROJECT_ONLY )); then
     _p9k_upglob 'pom.xml|build.gradle.kts|build.sbt|deps.edn|project.clj|build.boot|*.(java|class|jar|gradle|clj|cljc)' && return
   fi
-  _p9k_cached_cmd 1 java -fullversion || return
-  local v=$_p9k__ret
-  v=${${v#*\"}%\"*}
-  (( _POWERLEVEL9K_JAVA_VERSION_FULL )) || v=${v%%-*}
-  [[ -n $v ]] || return
-  _p9k_prompt_segment "$0" "red" "white" "JAVA_ICON" 0 '' "${v//\%/%%}"
+
+  local java=$commands[java]
+  if ! _p9k_cache_stat_get $0 $java ${JAVA_HOME:+$JAVA_HOME/release}; then
+    local v
+    v="$(java -fullversion 2>&1)" || v=
+    v=${${v#*\"}%\"*}
+    (( _POWERLEVEL9K_JAVA_VERSION_FULL )) || v=${v%%-*}
+    _p9k_cache_stat_set "${v//\%/%%}"
+  fi
+
+  [[ -n $_p9k__cache_val[1] ]] || return
+  _p9k_prompt_segment "$0" "red" "white" "JAVA_ICON" 0 '' $_p9k__cache_val[1]
 }
 
 _p9k_prompt_java_version_init() {
@@ -7483,7 +7489,7 @@ _p9k_must_init() {
     [[ $sig == $_p9k__param_sig ]] && return 1
     _p9k_deinit
   fi
-  _p9k__param_pat=$'v75\1'${ZSH_VERSION}$'\1'${ZSH_PATCHLEVEL}$'\1'
+  _p9k__param_pat=$'v76\1'${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\1'