From: Christian Hesse <mail@eworm.de>
Date: Wed, 26 Feb 2020 08:12:21 +0000 (+0100)
Subject: ui-snapshot: add support for zstd compression
X-Git-Url: https://gitweb.ps.run/ps-cgit/commitdiff_plain/892ba8c3cc0617d2087a2337d8c6e71524d7b49c?ds=inline;hp=892ba8c3cc0617d2087a2337d8c6e71524d7b49c

ui-snapshot: add support for zstd compression

This patch adds support for zstd [0] compressed snapshots (*.tar.zst).
We enable multiple working threads (-T0), but keep default compression
level. The latter can be influenced by environment variable.

[0] https://www.zstd.net/

Signed-off-by: Christian Hesse <mail@eworm.de>
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