Mount backup shares using tech's uid/gid

* Allows read-write access without root/sudo

.bin/Scripts/functions/data.py

@@ -293,6 +293,14 @@ def mount_backup_shares(read_write=False):
 
 def mount_network_share(server, read_write=False):
   """Mount a network share defined by server."""
+  uid = '1000'
+
+  # Get UID
+  cmd = ['id', '--user', 'tech']
+  result = run_program(cmd, check=False, encoding='utf-8', errors='ignore')
+  if result.stdout.strip().isnumeric():
+    uid = result.stdout.strip()
+
   if read_write:
     username = server['RW-User']
     password = server['RW-Pass']
@@ -315,7 +323,11 @@ def mount_network_share(server, read_write=False):
     run_program(cmd)
 
     # Set mount options
-    cmd_options = []
+    cmd_options = [
+      # Assuming GID matches UID
+      'gid={}'.format(uid),
+      'uid={}'.format(uid),
+      ]
     cmd_options.append('rw' if read_write else 'ro')
     cmd_options.append('username={}'.format(username))
     if password: