From 7195382b7af280febedc9a62ec572ce81a28d8af Mon Sep 17 00:00:00 2001
From: riomoo <alister@kamikishi.net>
Date: Sun, 18 Jan 2026 13:37:30 -0500
Subject: [PATCH] ENV Variables

---
 app/gopherbook/config.go | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 app/gopherbook/config.go

diff --git a/app/gopherbook/config.go b/app/gopherbook/config.go
new file mode 100644
index 0000000..08e6ff5
--- /dev/null
+++ b/app/gopherbook/config.go
@@ -0,0 +1,39 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+)
+
+// initializePaths sets up the directory paths based on environment variables
+// or falls back to defaults. This should be called before any path is used.
+func init() {
+	// Library path - where comic files are stored
+	if envPath := os.Getenv("GOPHERBOOK_LIBRARY_PATH"); envPath != "" {
+		libraryPath = envPath
+	}
+	
+	// Cache path - where cover thumbnails are cached
+	if envPath := os.Getenv("GOPHERBOOK_CACHE_PATH"); envPath != "" {
+		cachePath = envPath
+	}
+	
+	// Config/etc path - where user data and settings are stored
+	if envPath := os.Getenv("GOPHERBOOK_CONFIG_PATH"); envPath != "" {
+		etcPath = envPath
+	}
+	
+	// Watch path - where files are auto-imported from
+	if envPath := os.Getenv("GOPHERBOOK_WATCH_PATH"); envPath != "" {
+		watchPath = envPath
+	}
+	
+	// Data root - if set, use this as base for all paths
+	// This is useful for XDG compliance or systemd DynamicUser
+	if dataRoot := os.Getenv("GOPHERBOOK_DATA_ROOT"); dataRoot != "" {
+		libraryPath = filepath.Join(dataRoot, "library")
+		cachePath = filepath.Join(dataRoot, "cache", "covers")
+		etcPath = filepath.Join(dataRoot, "etc")
+		watchPath = filepath.Join(dataRoot, "watch")
+	}
+}