On Wed, Aug 21, 2013 at 2:47 PM, Junio C Hamano <[email protected]> wrote:
> Brandon Casey <[email protected]> writes:
>
>> From: Brandon Casey <[email protected]>
>>
>> This reverts commit 69a8141a5d81925b7e08cb228535e9ea4a7a02e3.
>>
>> Old Bash (3.0) which is distributed with RHEL 4.X and other ancient
>> platforms that are still in wide use, does not have a printf that
>> supports -v. Let's revert this patch and go back to using printf
>> in the traditional way.
>>
>> Signed-off-by: Brandon Casey <[email protected]>
>> ---
>
> Is this something you can detect at load-time once, store the result
> in a private variable and then switch on it at runtime, something
> along the lines of...
>
>
> # on load...
> printf -v __git_printf_supports_v -- "%s" yes >/dev/null 2>&1
>
> ...
>
> if test "${__git_printf_supports_v}" = yes
> then
> printf -v gitstring -- "$printf_format" "$gitstring"
> else
> gitstring=$(printf -- "$printf_format" "$gitstring")
> fi
Yes, that appears to work.
-Brandon
>> contrib/completion/git-prompt.sh | 6 +-----
>> 1 file changed, 1 insertion(+), 5 deletions(-)
>>
>> diff --git a/contrib/completion/git-prompt.sh
>> b/contrib/completion/git-prompt.sh
>> index a81ef5a..7698ec4 100644
>> --- a/contrib/completion/git-prompt.sh
>> +++ b/contrib/completion/git-prompt.sh
>> @@ -433,11 +433,7 @@ __git_ps1 ()
>> local gitstring="$c${b##refs/heads/}${f:+$z$f}$r$p"
>>
>> if [ $pcmode = yes ]; then
>> - if [[ -n ${ZSH_VERSION-} ]]; then
>> - gitstring=$(printf -- "$printf_format" "$gitstring")
>> - else
>> - printf -v gitstring -- "$printf_format" "$gitstring"
>> - fi
>> + gitstring=$(printf -- "$printf_format" "$gitstring")
>> PS1="$ps1pc_start$gitstring$ps1pc_end"
>> else
>> printf -- "$printf_format" "$gitstring"
--
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