From c428d4ee4d05b41f42e20c4d884831b813dff004 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Max=20Str=C3=BCbing?= <mxstrbng@gmail.com>
Date: Fri, 29 Nov 2019 09:31:53 +0100
Subject: [PATCH] Support XDG-specification

see: https://specifications.freedesktop.org/basedir-spec/basedir-spec-0.6.html

This is backwards compatible with the old `_Z_DATA` env-var but enhances
the user experiences with the XDG-specification.

closes #267
---
 z.sh | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/z.sh b/z.sh
index 2b7f87a..e53e866 100644
--- a/z.sh
+++ b/z.sh
@@ -29,8 +29,19 @@
 }
 
 _z() {
+    DEFAULT_CACHE_DIR="$HOME/.cache/z"
+
+    # Backwards compatible _Z_DATA definition
+    if [[ -n $_Z_DATA ]]; then
+        datafile=$_Z_DATA
+    # respect user specific XDG settings
+    elif [[ -n $XDG_CACHE_HOME ]]; then
+        datafile=$XDG_CACHE_HOME/z/z
+    # fallback to default XDG directory
+    else 
+        datafile=$DEFAULT_CACHE_DIR/z
+    fi
 
-    local datafile="${_Z_DATA:-$HOME/.z}"
 
     # if symlink, dereference
     [ -h "$datafile" ] && datafile=$(readlink "$datafile")