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+ BASH PATCH REPORT
+ =================
+
+Bash-Release: 4.2
+Patch-ID: bash42-036
+
+Bug-Reported-by: gregrwm <backuppc-users@whitleymott.net>
+Bug-Reference-ID: <CAD+dB9B4JG+qUwZBQUwiQmVt0j6NDn=DDTxr9R+nkA8DL4KLJA@mail.gmail.com>
+Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2012-05/msg00108.html
+
+Bug-Description:
+
+Bash-4.2 produces incorrect word splitting results when expanding
+double-quoted $@ in the same string as and adjacent to other variable
+expansions. The $@ should be split, the other expansions should not.
+
+Patch (apply with `patch -p0'):
+
+*** ../bash-4.2-patched/subst.c 2012-05-02 12:02:33.000000000 -0400
+--- subst.c 2012-07-08 21:19:32.000000000 -0400
+***************
+*** 7923,7927 ****
+ /* State flags */
+ int had_quoted_null;
+! int has_dollar_at;
+ int tflag;
+ int pflags; /* flags passed to param_expand */
+--- 7923,7927 ----
+ /* State flags */
+ int had_quoted_null;
+! int has_dollar_at, temp_has_dollar_at;
+ int tflag;
+ int pflags; /* flags passed to param_expand */
+***************
+*** 8128,8138 ****
+ *expanded_something = 1;
+
+! has_dollar_at = 0;
+ pflags = (word->flags & W_NOCOMSUB) ? PF_NOCOMSUB : 0;
+ if (word->flags & W_NOSPLIT2)
+ pflags |= PF_NOSPLIT2;
+ tword = param_expand (string, &sindex, quoted, expanded_something,
+! &has_dollar_at, &quoted_dollar_at,
+ &had_quoted_null, pflags);
+
+ if (tword == &expand_wdesc_error || tword == &expand_wdesc_fatal)
+--- 8128,8139 ----
+ *expanded_something = 1;
+
+! temp_has_dollar_at = 0;
+ pflags = (word->flags & W_NOCOMSUB) ? PF_NOCOMSUB : 0;
+ if (word->flags & W_NOSPLIT2)
+ pflags |= PF_NOSPLIT2;
+ tword = param_expand (string, &sindex, quoted, expanded_something,
+! &temp_has_dollar_at, &quoted_dollar_at,
+ &had_quoted_null, pflags);
++ has_dollar_at += temp_has_dollar_at;
+
+ if (tword == &expand_wdesc_error || tword == &expand_wdesc_fatal)
+***************
+*** 8275,8281 ****
+ temp = (char *)NULL;
+
+! has_dollar_at = 0;
+ /* Need to get W_HASQUOTEDNULL flag through this function. */
+! list = expand_word_internal (tword, Q_DOUBLE_QUOTES, 0, &has_dollar_at, (int *)NULL);
+
+ if (list == &expand_word_error || list == &expand_word_fatal)
+--- 8276,8283 ----
+ temp = (char *)NULL;
+
+! temp_has_dollar_at = 0; /* XXX */
+ /* Need to get W_HASQUOTEDNULL flag through this function. */
+! list = expand_word_internal (tword, Q_DOUBLE_QUOTES, 0, &temp_has_dollar_at, (int *)NULL);
+! has_dollar_at += temp_has_dollar_at;
+
+ if (list == &expand_word_error || list == &expand_word_fatal)
+*** ../bash-4.2-patched/patchlevel.h Sat Jun 12 20:14:48 2010
+--- patchlevel.h Thu Feb 24 21:41:34 2011
+***************
+*** 26,30 ****
+ looks for to find the patch level (for the sccs version string). */
+
+! #define PATCHLEVEL 35
+
+ #endif /* _PATCHLEVEL_H_ */
+--- 26,30 ----
+ looks for to find the patch level (for the sccs version string). */
+
+! #define PATCHLEVEL 36
+
+ #endif /* _PATCHLEVEL_H_ */