add ZPASS_PRIORITIZE_CLI feature

src/help.sh

@@ -43,6 +43,7 @@ usage()
   ZPASS_SSH_ID                                                  SSH private key to use for scp/sftp
   ZPASS_REMOTE_USER                                             User for login
   ZPASS_REMOTE_PASSWORD                                         Password for ftps/webdav login. Not for SSH
+  ZPASS_PRIORITIZE_CLI                                          Key prompt will always be done on CLI if stdin is a tty
 
 All operations can be shortened to their first char unless specified
 Unknown first argument will perform the operation described in 'ZPASS_UNK_OP_CALL' on that argument

src/prompt.sh

@@ -15,9 +15,13 @@ console_prompt_hidden()
   )
 }
 
+is_graphical() {
+  [ -n "$DISPLAY" ] && { [ -z "$ZPASS_PRIORITIZE_CLI" ] || ! [ -t 0 ] ; }
+}
+
 # $1 = prompt message
 prompt_password() {
-  if [ -n "$DISPLAY" ]
+  if is_graphical
   then
     if which kdialog >/dev/null 2>&2
     then kdialog --title "$fname" --password "$1" 2>/dev/null