libmakepkg: Add lzip ext support

lzip is a lossless data compressor designed to replace gzip and bzip2 as
the standard general-purpose compressed format.
- add .lz (lzip) support to libmakepkg/util/compress.sh:compress_as
- add COMPRESSLZ to makepkg.conf.in
- document COMPRESSLZ
- document PKGEXT with `.tar.lz`

Signed-off-by: Chloe Kudryavtsev <toast@toastin.space>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/etc/makepkg.conf.in b/etc/makepkg.conf.in
index a4321541..4d5cf4ea 100644
--- a/etc/makepkg.conf.in
+++ b/etc/makepkg.conf.in
@@ -135,6 +135,7 @@ COMPRESSLRZ=(lrzip -q)
 COMPRESSLZO=(lzop -q)
 COMPRESSZ=(compress -c -f)
 COMPRESSLZ4=(lz4 -q)
+COMPRESSLZ=(lzip -c -f)
 
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