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BASH PATCH REPORT
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=================
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Bash-Release: 4.2
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Patch-ID: bash42-025
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Bug-Reported-by: Bill Gradwohl <bill@ycc.com>
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Bug-Reference-ID: <CAFyvKis-UfuOWr5THBRKh=vYHDoKEEgdW8hN1RviTuYQ00Lu5A@mail.gmail.com>
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Bug-Reference-URL: http://lists.gnu.org/archive/html/help-bash/2012-03/msg00078.html
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Bug-Description:
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When used in a shell function, `declare -g -a array=(compound assignment)'
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creates a local variable instead of a global one.
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Patch (apply with `patch -p0'):
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*** ../bash-4.2-patched/command.h 2010-08-02 19:36:51.000000000 -0400
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--- command.h 2012-04-01 12:38:35.000000000 -0400
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***************
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*** 98,101 ****
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--- 98,102 ----
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#define W_ASSIGNASSOC 0x400000 /* word looks like associative array assignment */
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#define W_ARRAYIND 0x800000 /* word is an array index being expanded */
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+ #define W_ASSNGLOBAL 0x1000000 /* word is a global assignment to declare (declare/typeset -g) */
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/* Possible values for subshell_environment */
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*** ../bash-4.2-patched/execute_cmd.c 2011-11-21 18:03:41.000000000 -0500
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--- execute_cmd.c 2012-04-01 12:42:03.000000000 -0400
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***************
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*** 3581,3585 ****
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WORD_LIST *w;
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struct builtin *b;
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! int assoc;
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if (words == 0)
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--- 3581,3585 ----
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WORD_LIST *w;
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struct builtin *b;
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! int assoc, global;
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if (words == 0)
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***************
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*** 3587,3591 ****
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b = 0;
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! assoc = 0;
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for (w = words; w; w = w->next)
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--- 3587,3591 ----
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b = 0;
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! assoc = global = 0;
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for (w = words; w; w = w->next)
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***************
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*** 3604,3607 ****
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--- 3604,3609 ----
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if (assoc)
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w->word->flags |= W_ASSIGNASSOC;
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+ if (global)
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+ w->word->flags |= W_ASSNGLOBAL;
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#endif
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}
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***************
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*** 3609,3613 ****
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/* Note that we saw an associative array option to a builtin that takes
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assignment statements. This is a bit of a kludge. */
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! else if (w->word->word[0] == '-' && strchr (w->word->word, 'A'))
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{
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if (b == 0)
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--- 3611,3618 ----
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/* Note that we saw an associative array option to a builtin that takes
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assignment statements. This is a bit of a kludge. */
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! else if (w->word->word[0] == '-' && (strchr (w->word->word+1, 'A') || strchr (w->word->word+1, 'g')))
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! #else
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! else if (w->word->word[0] == '-' && strchr (w->word->word+1, 'g'))
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! #endif
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{
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if (b == 0)
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***************
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*** 3619,3626 ****
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words->word->flags |= W_ASSNBLTIN;
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}
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! if (words->word->flags & W_ASSNBLTIN)
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assoc = 1;
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}
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- #endif
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}
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--- 3624,3632 ----
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words->word->flags |= W_ASSNBLTIN;
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}
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! if ((words->word->flags & W_ASSNBLTIN) && strchr (w->word->word+1, 'A'))
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assoc = 1;
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+ if ((words->word->flags & W_ASSNBLTIN) && strchr (w->word->word+1, 'g'))
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+ global = 1;
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}
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}
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*** ../bash-4.2-patched/subst.c 2012-03-11 17:35:13.000000000 -0400
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--- subst.c 2012-04-01 12:38:35.000000000 -0400
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***************
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*** 367,370 ****
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--- 367,375 ----
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fprintf (stderr, "W_ASSNBLTIN%s", f ? "|" : "");
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}
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+ if (f & W_ASSNGLOBAL)
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+ {
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+ f &= ~W_ASSNGLOBAL;
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+ fprintf (stderr, "W_ASSNGLOBAL%s", f ? "|" : "");
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+ }
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if (f & W_COMPASSIGN)
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{
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***************
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*** 2804,2808 ****
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else if (assign_list)
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{
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! if (word->flags & W_ASSIGNARG)
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aflags |= ASS_MKLOCAL;
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if (word->flags & W_ASSIGNASSOC)
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--- 2809,2813 ----
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else if (assign_list)
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{
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! if ((word->flags & W_ASSIGNARG) && (word->flags & W_ASSNGLOBAL) == 0)
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aflags |= ASS_MKLOCAL;
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if (word->flags & W_ASSIGNASSOC)
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*** ../bash-4.2-patched/patchlevel.h Sat Jun 12 20:14:48 2010
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--- patchlevel.h Thu Feb 24 21:41:34 2011
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***************
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*** 26,30 ****
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looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 24
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#endif /* _PATCHLEVEL_H_ */
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--- 26,30 ----
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looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 25
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#endif /* _PATCHLEVEL_H_ */
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