Blame SOURCES/bash-4.3-noecho.patch

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diff --git a/parse.y b/parse.y
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index 30425a5..85f1c4f 100644
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--- a/parse.y
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+++ b/parse.y
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@@ -4228,6 +4228,8 @@ xparse_dolparen (base, string, indp, flags)
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   save_parser_state (&ps);
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   save_input_line_state (&ls);
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   orig_eof_token = shell_eof_token;
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+  /* avoid echoing every substitution again */
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+  echo_input_at_read = 0;
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   /*(*/
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   parser_state |= PST_CMDSUBST|PST_EOFTOKEN;	/* allow instant ')' */ /*(*/
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diff --git a/subst.c b/subst.c
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index f1a4df1..a93a4ce 100644
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--- a/subst.c
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+++ b/subst.c
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@@ -8513,6 +8513,7 @@ param_expand (string, sindex, quoted, expanded_something,
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   WORD_LIST *list;
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   WORD_DESC *tdesc, *ret;
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   int tflag;
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+  int old_echo_input;
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 /*itrace("param_expand: `%s' pflags = %d", string+*sindex, pflags);*/
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   zindex = *sindex;
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@@ -8831,6 +8832,9 @@ arithsub:
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 	}
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 comsub:
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+      old_echo_input = echo_input_at_read;
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+      /* avoid echoing every substitution again */
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+      echo_input_at_read = 0;
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       if (pflags & PF_NOCOMSUB)
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 	/* we need zindex+1 because string[zindex] == RPAREN */
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 	temp1 = substring (string, *sindex, zindex+1);
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@@ -8843,6 +8847,7 @@ comsub:
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 	}
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       FREE (temp);
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       temp = temp1;
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+      echo_input_at_read = old_echo_input;
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       break;
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     /* Do POSIX.2d9-style arithmetic substitution.  This will probably go
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-- 
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2.9.3
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