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archive: make zip compression level independent from core git

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zlib_compression_level is the compression level used for git's object store.
It's 1 by default, which is the fastest setting.  This variable is also used
as the default compression level for ZIP archives created by git archive.

For archives, however, zlib's own default of 6 is more appropriate, as it's
favouring small size over speed -- archive creation is not that performance
critical most of the time.

This patch makes git archive independent from git's internal compression
level setting.  It affects invocations of git archive without explicitly
specified compression level option, only.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2008-07-18 16:30:32 +02:00
committed by Junio C Hamano
parent 6259ac6628
commit 3a176c6cde
3 changed files with 8 additions and 5 deletions
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3
builtin-archive.c
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@ -185,9 +185,10 @@ int parse_archive_args(int argc, const char **argv, const struct archiver **ar,
if (!*ar)
die("Unknown archive format '%s'", format);
args->compression_level = Z_DEFAULT_COMPRESSION;
if (compression_level != -1) {
if ((*ar)->flags & USES_ZLIB_COMPRESSION)
zlib_compression_level = compression_level;
args->compression_level = compression_level;
else {
die("Argument not supported for format '%s': -%d",
format, compression_level);