Export : Update for Nix.

.config/bash/module/Export.sh

@@ -11,9 +11,6 @@ export EDITOR=nvim
 # specify man page viewer.
 export MANPAGER="nvim +Man!"
 
-# specify java path.
-export JAVA_HOME="${HOME}/app/java/x64/latest"
-
 # specify android sdk root.
 export ANDROID_SDK_ROOT="$HOME/.android/sdk"
 
@@ -28,31 +25,14 @@ export TEXMFLOCAL="${HOME}/app/tex/data/local"
 export BASH_MODULE_PATH="${HOME}/.config/bash/module"
 
 # Set java version. Sets to latest when not specified.
-# Usage: export_java [VERSION]
+# Usage: export_java <VERSION>
 function export_java() {
 	local version="${1}"
 
 	if [[ "${version}" = "" ]]; then
-		export JAVA_HOME="${HOME}/app/java/x64/latest"
+		help export_java
-		return
+		return 2
 	fi
 
-	local available=($(_get_java_versions))
+	export JAVA_HOME="$(find_nix openjdk-${version})"
-
-	if ! _contains ${version} ${available[@]}; then
-		_error "Version ${version} is not available."
-		return 1
-	fi
-
-	export JAVA_HOME="${HOME}/app/java/x64/jdk_${version}"
 }
-
-function _get_java_versions() {
-	ls "${HOME}/app/java/x64/" | grep "jdk_" | sed -e "s/.*_//" | sort -g 2> /dev/null
-}
-
-function _comp_java_versions() {
-	_autocomplete_first "$(_get_java_versions)"
-}
-
-complete -o nosort -F _comp_java_versions export_java

.config/bash/module/Nix.sh

@@ -0,0 +1,19 @@
+# Find Nix package path.
+# Usage: find_nix <PACKAGE>
+function find_nix() {
+	local IFS=$'\n'
+	local package="${1}"
+
+	if [[ "${package}" = "" ]]; then
+		help find_nix
+		return 2
+	fi
+
+	local found=$(ls --classify /nix/store/ | grep "${package}".*/)
+
+	if [[ "${found}" != "" ]]; then
+		echo "/nix/store/${found%/}"
+	else
+		false
+	fi
+}