bash/bash-4.3-noecho.patch

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--- bash-4.3/parse.y 2014-05-29 14:46:09.545543384 +0200
+++ bash-4.3/parse.y 2014-05-29 14:48:40.758626213 +0200
@@ -3858,6 +3858,8 @@ xparse_dolparen (base, string, indp, fla
save_parser_state (&ps);
save_input_line_state (&ls);
orig_eof_token = shell_eof_token;
+ /* avoid echoing every substitution again */
+ echo_input_at_read = 0;
/*(*/
parser_state |= PST_CMDSUBST|PST_EOFTOKEN; /* allow instant ')' */ /*(*/
--- bash-4.3/subst.c 2014-05-29 16:04:35.802784549 +0200
+++ bash-4.3/subst.c 2014-05-29 16:08:25.021942676 +0200
@@ -7103,6 +7103,7 @@ param_expand (string, sindex, quoted, ex
WORD_LIST *list;
WORD_DESC *tdesc, *ret;
int tflag;
+ int old_echo_input;
zindex = *sindex;
c = string[++zindex];
@@ -7401,6 +7402,9 @@ arithsub:
}
comsub:
+ old_echo_input = echo_input_at_read;
+ /* avoid echoing every substitution again */
+ echo_input_at_read = 0;
if (pflags & PF_NOCOMSUB)
/* we need zindex+1 because string[zindex] == RPAREN */
temp1 = substring (string, *sindex, zindex+1);
@@ -7413,6 +7417,7 @@ comsub:
}
FREE (temp);
temp = temp1;
+ echo_input_at_read = old_echo_input;
break;
/* Do POSIX.2d9-style arithmetic substitution. This will probably go