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hush: fix wrong prompt problem on empty interactive commants

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Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
This commit is contained in:
Denys Vlasenko 2011-01-07 15:16:05 +01:00
parent f42c7b8fc1
commit 642e71a789
1 changed files with 10 additions and 1 deletions
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11
shell/hush.c
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@ -4140,7 +4140,16 @@ static struct pipe *parse_stream(char **pstring,
if (IS_NULL_CMD(ctx.command)
&& dest.length == 0 && !dest.has_quoted_part
) {
continue;
/* This newline can be ignored. But...
* without the below check, interactive shell
* will ignore even lines with bare <newline>,
* and show the continuation prompt:
* ps1_prompt$ <enter>
* ps2> _ <=== wrong prompt, should be ps1
*/
struct pipe *pi = ctx.list_head;
if (pi->num_cmds != 0)
continue;
}
/* Treat newline as a command separator. */
done_pipe(&ctx, PIPE_SEQ);