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Bash-5.2 patch 12: fixes for compat mode leaving extglob enabled after command substitution

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This commit is contained in:
Chet Ramey
2022-11-23 17:17:39 -05:00
parent a6435a3c50
commit c7bb74de78
6 changed files with 50 additions and 20 deletions
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parse.y
+13 -7
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@@ -125,7 +125,7 @@ do { \
} while (0)
#if defined (EXTENDED_GLOB)
extern int extended_glob;
extern int extended_glob, extglob_flag;
#endif
#if defined (TRANSLATABLE_STRINGS)
@@ -3304,7 +3304,7 @@ reset_parser ()
#if defined (EXTENDED_GLOB)
/* Reset to global value of extended glob */
if (parser_state & (PST_EXTPAT|PST_CMDSUBST))
extended_glob = global_extglob;
extended_glob = extglob_flag;
#endif
if (parser_state & (PST_CMDSUBST|PST_STRING))
expand_aliases = expaliases_flag;
@@ -4124,10 +4124,10 @@ parse_comsub (qc, open, close, lenp, flags)
expand_aliases = posixly_correct != 0;
#if defined (EXTENDED_GLOB)
/* If (parser_state & PST_EXTPAT), we're parsing an extended pattern for a
conditional command and have already set global_extglob appropriately. */
conditional command and have already set extended_glob appropriately. */
if (shell_compatibility_level <= 51 && was_extpat == 0)
{
local_extglob = global_extglob = extended_glob;
local_extglob = extended_glob;
extended_glob = 1;
}
#endif
@@ -4235,7 +4235,7 @@ xparse_dolparen (base, string, indp, flags)
{
sh_parser_state_t ps;
sh_input_line_state_t ls;
int orig_ind, nc, sflags, start_lineno;
int orig_ind, nc, sflags, start_lineno, local_extglob;
char *ret, *ep, *ostring;
/*debug_parser(1);*/
@@ -4278,7 +4278,7 @@ xparse_dolparen (base, string, indp, flags)
old value will be restored by restore_parser_state(). */
expand_aliases = 0;
#if defined (EXTENDED_GLOB)
global_extglob = extended_glob; /* for reset_parser() */
local_extglob = extended_glob;
#endif
token_to_read = DOLPAREN; /* let's trick the parser */
@@ -4296,6 +4296,9 @@ xparse_dolparen (base, string, indp, flags)
restore_input_line_state (&ls);
restore_parser_state (&ps);
#if defined (EXTENDED_GLOB)
extended_glob = local_extglob;
#endif
token_to_read = 0;
/* If parse_string returns < 0, we need to jump to top level with the
@@ -4731,12 +4734,16 @@ cond_term ()
}
/* rhs */
#if defined (EXTENDED_GLOB)
local_extglob = extended_glob;
if (parser_state & PST_EXTPAT)
extended_glob = 1;
#endif
tok = read_token (READ);
#if defined (EXTENDED_GLOB)
if (parser_state & PST_EXTPAT)
extended_glob = local_extglob;
#endif
parser_state &= ~(PST_REGEXP|PST_EXTPAT);
if (tok == WORD)
@@ -4783,7 +4790,6 @@ parse_cond_command ()
{
COND_COM *cexp;
global_extglob = extended_glob;
cexp = cond_expr ();
return (make_cond_command (cexp));
}