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Bash-5.0 patch 2: fix expansion of aliases whose value ends with an unquoted tab

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This commit is contained in:
Chet Ramey
2019-01-18 15:13:57 -05:00
parent 4d2e315490
commit ddf3f643cb
4 changed files with 10 additions and 3 deletions
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parse.y
+4 -1
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@@ -2557,12 +2557,14 @@ next_alias_char:
if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE &&
pushed_string_list->flags != PSH_DPAREN &&
(parser_state & PST_COMMENT) == 0 &&
(parser_state & PST_ENDALIAS) == 0 && /* only once */
shell_input_line_index > 0 &&
shell_input_line[shell_input_line_index-1] != ' ' &&
shellblank (shell_input_line[shell_input_line_index-1]) == 0 &&
shell_input_line[shell_input_line_index-1] != '\n' &&
shellmeta (shell_input_line[shell_input_line_index-1]) == 0 &&
(current_delimiter (dstack) != '\'' && current_delimiter (dstack) != '"'))
{
parser_state |= PST_ENDALIAS;
return ' '; /* END_ALIAS */
}
#endif
@@ -2571,6 +2573,7 @@ pop_alias:
/* This case works for PSH_DPAREN as well */
if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE)
{
parser_state &= ~PST_ENDALIAS;
pop_string ();
uc = shell_input_line[shell_input_line_index];
if (uc)