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Flush progress message buffer in display().
This will make progress display from pack-objects (invoked via upload-pack) more responsive on platforms with an implementation of stdio whose stderr is line buffered. The standard error stream is defined to be merely "not fully buffered"; this is different from "unbuffered". If the implementation of the stdio library chooses to make it line buffered, progress reports that end with CR but do not contain LF will accumulate in the stdio buffer before written out. A fflush() after each progress display gives a nice continuous progress. Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -98,11 +98,13 @@ static int display(struct progress *progress, unsigned n, const char *done)
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fprintf(stderr, "%s: %3u%% (%u/%u)%s%s",
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progress->title, percent, n,
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progress->total, tp, eol);
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fflush(stderr);
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progress_update = 0;
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return 1;
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}
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} else if (progress_update) {
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fprintf(stderr, "%s: %u%s%s", progress->title, n, tp, eol);
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fflush(stderr);
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progress_update = 0;
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return 1;
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}
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@ -207,6 +209,7 @@ struct progress *start_progress_delay(const char *title, unsigned total,
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if (!progress) {
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/* unlikely, but here's a good fallback */
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fprintf(stderr, "%s...\n", title);
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fflush(stderr);
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return NULL;
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}
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progress->title = title;
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