On Thu, 18 Aug 2016, Jeff King wrote:
> On Thu, Aug 18, 2016 at 02:46:28PM +0200, Johannes Schindelin wrote:
> > With this patch, --batch can be combined with --textconv or --filters.
> > For this to work, the input needs to have the form
> > <object name><single white space><path>
> > so that the filters can be chosen appropriately.
> The object name can have spaces in it, too. E.g.:
> HEAD:path with spaces
> or even:
> :/grep for this
> (as was pointed out to me when I tried to turn on %(rest) handling by
> default, long ago). How do those work with your patch?
They don't ;-)
And quite frankly, the documentation should make it clear to users that
batch mode with --filters or --textconv won't work when the object name
contains white space: it says that the object name is split from the path
at the first white space character.
> It looks like the extra split isn't enabled unless one of those options
> is selected. Since --filters is new, that's OK for backwards
> compatibility. But --textconv isn't.
Except that it is okay, because --textconv *was not even supported in
batch mode*. So there is no backwards compatibility that could be broken.
> I wonder if we need an option specifically to say "the object name can
> be split". Right now it kicks in automatically if you use "%(rest)" in
> your format, but you might not care about passing along that output
> (e.g., a lot of times I am piping "rev-list" straight to cat-file, and I
> have to use a separate "cut" to throw away the pathnames).
As I said elsewhere in this thread: if anybody encounters that problem,
they are welcome to fix it themselves.
My patch series purpose is to introduce --filters and make it compatible
with the batch mode. As I imitated --textconv, it was both easy and
correct to make it compatible with the batch mode, too. But that is the
extent of this here patch series.
Fixing %(rest) for object names containing spaces is distinctly outside
the original intent, and certainly outside of my use case.
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