From 5b20a538ffa2d1ab49612640441e3fca81cceb29 Mon Sep 17 00:00:00 2001
From: Niels Simenon <niels.simenon@gmail.com>
Date: Tue, 24 Apr 2018 22:25:48 +0200
Subject: [PATCH] Tracking meta source file for EXIF data.

---
 src/save/meta.js | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/save/meta.js

diff --git a/src/save/meta.js b/src/save/meta.js
new file mode 100644
index 0000000..fd3e286
--- /dev/null
+++ b/src/save/meta.js
@@ -0,0 +1,24 @@
+'use strict';
+
+const exiftool = require('node-exiftool');
+const exiftoolBin = require('dist-exiftool');
+
+function saveMeta(filepath, meta, globalExifTool) {
+    const ep = globalExifTool || new exiftool.ExiftoolProcess(exiftoolBin);
+
+    return Promise.resolve().then(() => {
+        if(!globalExifTool) {
+            return ep.open();
+        }
+    }).then(() => {
+        return ep.writeMetadata(filepath, meta, ['overwrite_original']);
+    }).then(() => {
+        console.log('\x1b[36m%s\x1b[0m', `Wrote metadata to '${filepath}'`);
+    }).then(() => {
+        if(!globalExifTool) {
+            return ep.close();
+        }
+    });
+};
+
+module.exports = saveMeta;