On Fri, Jul 12, 2013 at 2:18 AM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> A command that has to deal with input/output that may contain LF
> needs to offer the "-z" (--nul-terminated-records) option, and if it
> does not support separate --nul-terminated-{input,output} options,
> the "-z" option should govern both input and output. A caller that
> uses "-z" knows that the paths it feeds to these commands as input
> may have LF that cannot be expressed in LF delimited input format,
> and the output from these commands do contain the same paths, so
> there is no way for their output to be expressed unambiguously for
> an input that requires "-z".
FWIW, applying to the entire series:
Reviewed-by: Eric Sunshine <sunshine@xxxxxxxxxxxxxx>
> Unfortunately, "git check-attr -z" was broken and ignored the option
> on the output side. This is a backward-incompatible fix, so we may
> need to add a "checkAttr.brokenZ" configuration to allow people to
> keep the existing breakage on top of these fixes, and then flip the
> default at Git 2.0 boundary (sometime early next year).
>
> Credit goes to Eric Sunshine for finding this discrepancy
> ($gmane/230158).
>
> Junio C Hamano (4):
> check-ignore: the name of the character is NUL, not NULL
> check-attr: the name of the character is NUL, not NULL
> check-ignore -z: a single -z should apply to both input and output
> check-attr -z: a single -z should apply to both input and output
>
> Documentation/git-check-attr.txt | 9 +++++++--
> builtin/check-attr.c | 20 ++++++++++++++------
> builtin/check-ignore.c | 12 ++++++------
> 3 files changed, 27 insertions(+), 14 deletions(-)
>
> --
> 1.8.3.2-911-g2c4daa5
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