From cfa828ec199e0268bce5bab66f974c20c16f369c Mon Sep 17 00:00:00 2001
From: crater2150 <crater@qwertyuiop.de>
Date: Wed, 28 Aug 2024 17:55:49 +0200
Subject: [PATCH] add plugin to set java home per directory

---
 .zimrc                                       |  1 +
 plugins/cs-java-home/cs-java-home.plugin.zsh | 41 ++++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 plugins/cs-java-home/cs-java-home.plugin.zsh

diff --git a/.zimrc b/.zimrc
index d600952..fdcf8ef 100644
--- a/.zimrc
+++ b/.zimrc
@@ -6,6 +6,7 @@ zmodule crater2150-zsh/chroma-z
 
 zmodule $ZDOTDIR/plugins/tmpsrc
 zmodule $ZDOTDIR/plugins/pyenv
+zmodule $ZDOTDIR/plugins/cs-java-home
 
 zmodule $ZDOTDIR/plugins/highlight-config
 zmodule zsh-users/zsh-syntax-highlighting
diff --git a/plugins/cs-java-home/cs-java-home.plugin.zsh b/plugins/cs-java-home/cs-java-home.plugin.zsh
new file mode 100644
index 0000000..f64f84d
--- /dev/null
+++ b/plugins/cs-java-home/cs-java-home.plugin.zsh
@@ -0,0 +1,41 @@
+typeset -a chpwd_functions __chromaz_extra_left
+
+SYSTEM_JAVA_HOME=${CS_FORMER_JAVA_HOME:-$JAVA_HOME}
+
+local cs_jvm_id
+local cs_java_home
+
+remove-from-path() {
+	for elem in $@; do
+		path=("${(@)path:#$elem}")
+	done
+}
+
+cs-set-java-home() {
+	local dir=${1:-${PWD:a}}
+	if [[ $dir == / ]]; then 
+		export JAVA_HOME=${SYSTEM_JAVA_HOME}
+		remove-from-path $cs_java_home/bin
+		cs_jvm_id=
+		return
+	fi
+	if [[ -e $dir/.jvm ]]; then
+		cs_jvm_id=$(<$dir/.jvm)
+		#echo "Setting Java version to ${cs_jvm_id}"
+		cs_java_home=$(cs java-home --jvm ${cs_jvm_id})
+		path=( $cs_java_home/bin $path )
+		export JAVA_HOME=${cs_java_home}
+	else
+		cs-set-java-home ${dir:h}
+	fi
+
+	#	
+}
+
+cs-current-java() {
+	echo ${cs_jvm_id:+JVM: }${cs_jvm_id}
+}
+
+chpwd_functions+=cs-set-java-home
+__chromaz_extra_left+=cs-current-java
+cs-set-java-home