winansi: support ESC [ K (erase in line)

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/compat/winansi.c b/compat/winansi.c
index e2d96dfe6f75213de567174261d9aeba3e663d9d..44dc293ad314379d7835d9d96a5c3fd12ad2b27f 100644 (file)
--- a/compat/winansi.c
+++ b/compat/winansi.c
@@ -18,8 +18,6 @@
 
  This file is git-specific. Therefore, this file does not attempt
  to implement any codes that are not used by git.
-
- TODO: K
 */
 
 static HANDLE console;
@@ -79,6 +77,20 @@ static void set_console_attr(void)
        SetConsoleTextAttribute(console, attributes);
 }
 
+static void erase_in_line(void)
+{
+       CONSOLE_SCREEN_BUFFER_INFO sbi;
+
+       if (!console)
+               return;
+
+       GetConsoleScreenBufferInfo(console, &sbi);
+       FillConsoleOutputCharacterA(console, ' ',
+               sbi.dwSize.X - sbi.dwCursorPosition.X, sbi.dwCursorPosition,
+               NULL);
+}
+
+
 static const char *set_attr(const char *str)
 {
        const char *func;
@@ -218,7 +230,7 @@ static const char *set_attr(const char *str)
                set_console_attr();
                break;
        case 'K':
-               /* TODO */
+               erase_in_line();
                break;
        default:
                /* Unsupported code */