Add the git commit hash details to the About dialog. #7623

web/pgAdmin4.py

@@ -103,6 +103,16 @@ if not os.path.isfile(config.SQLITE_PATH):
 app = create_app()
 app.config['sessions'] = dict()
 
+# We load the file here instead of evaluate config
+# as we don't know the path of this file in evaluate config
+# commit_hash file resides in the web directory
+try:
+    with open(os.path.join(os.path.dirname(os.path.realpath(__file__)),
+                           'commit_hash')) as f:
+        config.COMMIT_HASH = f.readline().strip()
+except FileNotFoundError as _:
+    config.COMMIT_HASH = None
+
 if setup_db_required:
     setup.setup_db(app)