[Buildroot] [PATCH 1/1] download/git: force gzip compression level 6
Yann E. MORIN
yann.morin.1998 at free.fr
Tue Sep 12 06:05:10 UTC 2017
Petr, All,
On 2017-09-12 00:13 +0200, Petr Kulhavy spake thusly:
> Force gzip compression level 6 when calculating hash of a downloaded GIT repo.
> To make sure the tar->gzip->checksum chain always provides consistent result.`
>
> The script was relying on the default compression level, which must not be
> necessarily consistent among different gzip versions. The level 6 is gzip's
> current default compression level.
Not only is it the _current_ default, it has always been so since the
first release.
> Signed-off-by: Petr Kulhavy <brain at jikos.cz>
Acked-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Regards,
Yann E. MORIN.
> ---
> support/download/git | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/support/download/git b/support/download/git
> index fc2957d..f590ff6 100755
> --- a/support/download/git
> +++ b/support/download/git
> @@ -101,4 +101,4 @@ LC_ALL=C sort <"${basename}.list" >"${basename}.list.sorted"
> # sources.buildroot.org and used in the *.hash files
> tar cf - --numeric-owner --owner=0 --group=0 --mtime="${date}" --format=gnu \
> -T "${basename}.list.sorted" >"${output}.tar"
> -gzip -n <"${output}.tar" >"${output}"
> +gzip -6 -n <"${output}.tar" >"${output}"
> --
> 2.7.4
>
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