X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Futil.c;h=bdc194e80c9ce45bde0975d7ef9c5ab4b4482bfd;hb=b56e57470c92f123044ea690b5404bdd730ddaa6;hp=c1ee936aaf97d7166d26bc9dcb863d5243f8abc2;hpb=e7db37dd19d540e9ac8b89c689914d44d15433c4;p=elogind.git

diff --git a/src/util.c b/src/util.c
index c1ee936aa..bdc194e80 100644
--- a/src/util.c
+++ b/src/util.c
@@ -2009,23 +2009,29 @@ int read_one_char(FILE *f, char *ret, bool *need_nl) {
 }
 
 int ask(char *ret, const char *replies, const char *text, ...) {
+        bool on_tty;
+
         assert(ret);
         assert(replies);
         assert(text);
 
+        on_tty = isatty(STDOUT_FILENO);
+
         for (;;) {
                 va_list ap;
                 char c;
                 int r;
                 bool need_nl = true;
 
-                fputs("\x1B[1m", stdout);
+                if (on_tty)
+                        fputs("\x1B[1m", stdout);
 
                 va_start(ap, text);
                 vprintf(text, ap);
                 va_end(ap);
 
-                fputs("\x1B[0m", stdout);
+                if (on_tty)
+                        fputs("\x1B[0m", stdout);
 
                 fflush(stdout);