Re: [PATCH] Avoid difference in tr semantics between System V and BSD

[Junio C Hamano <gitster@pobox.com>]

Ben Walton <bdwalton@gmail.com> writes:

> Solaris' tr (both /usr/bin/ and /usr/xpg4/bin) uses the System V
> semantics for tr whereby string1's length is truncated to the length
> of string2 if string2 is shorter. The BSD semantics, as used by GNU tr
> see string2 padded to the length of string1 using the final character
> in string2. POSIX explicitly doesn't specify the correct behavior
> here, making both equally valid.
>
> This difference means that Solaris' native tr implementations produce
> different results for tr ":\t\n" "\0" than GNU tr. This breaks a few
> tests in t0008-ignores.sh.
>
> Possible fixes for this are to make string2 be "\0\0\0" or "[\0*]".
>
> Instead, use perl to perform these transliterations which means we
> don't need to worry about the difference at all. Since we're replacing
> tr with perl, we also use perl to replace the sed invocations used to
> transform the files.
>
> Replace four identical transforms with a function named
> broken_c_unquote. Replace the other two identical transforms with a
> fuction named broken_c_unquote_verbose.
>
> Signed-off-by: Ben Walton <bdwalton@gmail.com>
> ---
>
> ...Forgot to quote PERL_PATH in the previous iteration.

Thanks; will requeue.