From f273b48e7377cfd9923b1c9530ee140a37cc5f8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B3n=20Levy?= <nonni@nonni.cc>
Date: Wed, 20 Sep 2023 13:59:57 +0000
Subject: [PATCH] fix: add GEOTMPDIR env (#258)

* fix: support tmp dir overwrite with env var
* docs: env vars chapter
---
 README.md           | 12 ++++++++++++
 scripts/updatedb.js |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 45cfa31e..d3744d74 100644
--- a/README.md
+++ b/README.md
@@ -179,6 +179,18 @@ geoip.startWatchingDataUpdate();
 
 This tool can be used with `npm run-script updatedb` to periodically update geo data on a running server.
 
+#### Environment variables
+
+The following environment variables can be set.
+
+```bash
+# Override the default node_modules/geoip-lite/data dir
+GEOTMPDIR=/some/path
+
+# Override the default node_modules/geoip-lite/tmp dir
+GEODATADIR=/some/path
+```
+
 Caveats
 -------
 
diff --git a/scripts/updatedb.js b/scripts/updatedb.js
index 662c466b..8e59ac1f 100644
--- a/scripts/updatedb.js
+++ b/scripts/updatedb.js
@@ -44,7 +44,7 @@ if (typeof geodatadir !== 'undefined') {
 		process.exit(1);
 	}
 }
-var tmpPath = path.resolve(__dirname, '..', 'tmp');
+var tmpPath = process.env.GEOTMPDIR ? process.env.GEOTMPDIR : path.resolve(__dirname, '..', 'tmp');
 var countryLookup = {};
 var cityLookup = {};
 var databases = [