Am 10.08.2016 um 00:56 schrieb Jacob Keller:
On Tue, Aug 9, 2016 at 3:50 PM, Stefan Beller <[email protected]> wrote:
On Tue, Aug 9, 2016 at 3:32 PM, Jacob Keller <[email protected]> wrote:
+ if (strbuf_read(buf, cp.out, 0) < 0)
So we keep the whole diff in memory
I don't know much about the diff machinery, but I thought
the rest of the diff machinery just streams it out?
Yea, but I can't figure out how to do that. Is there an easy way to
stream chunks from the pipe straight into the file?
You don't stream via a pipe, you let the sub-process write directly to
the file:
fflush(f);
cp.out = dup(fileno(f));
Of course, you no longer "prepare_submodule_diff" anymore (which
currently runs the child process), but you print the "Submodule" header
line, then invoke the child process, and if there was a failure, you
fprintf(f, "(diff failed)").
-- Hannes
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