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Scripts: Add zstd support to xzdiff.

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This commit is contained in:
Lasse Collin 2021-01-11 23:57:11 +02:00
parent d9ec3add97
commit 9cdabbeea8
2 changed files with 15 additions and 7 deletions
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6
src/scripts/xzdiff.1
View file

@ -6,7 +6,7 @@
.\"
.\" License: GNU GPLv2+
.\"
.TH XZDIFF 1 "2011-03-19" "Tukaani" "XZ Utils"
.TH XZDIFF 1 "2021-01-11" "Tukaani" "XZ Utils"
.SH NAME
xzcmp, xzdiff, lzcmp, lzdiff \- compare compressed files
.SH SYNOPSIS
@ -34,8 +34,9 @@ on files compressed with
.BR lzma (1),
.BR gzip (1),
.BR bzip2 (1),
.BR lzop (1),
or
.BR lzop (1).
.BR zstd (1).
All options specified are passed directly to
.BR cmp (1)
or
@ -68,6 +69,7 @@ are provided for backward compatibility with LZMA Utils.
.BR gzip (1),
.BR bzip2 (1),
.BR lzop (1),
.BR zstd (1),
.BR zdiff (1)
.SH BUGS
Messages from the

16
src/scripts/xzdiff.in
View file

@ -80,19 +80,23 @@ if test $# -eq 1; then
xz1=gzip;;
*[-.]lzo | *.tzo)
xz1=lzop;;
*[-.]zst | *.tzst)
xz1='zstd -q';;
*)
echo >&2 "$0: $1: Unknown compressed file name suffix"
exit 2;;
esac
case $1 in
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *[-.]lzo)
FILE=`expr "X$1" : 'X\(.*\)[-.][abglmoxzZ2]*$'`;;
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *[-.]lzo | *[-.]zst)
FILE=`expr "X$1" : 'X\(.*\)[-.][abglmostxzZ2]*$'`;;
*.t[abglx]z)
FILE=`expr "X$1" : 'X\(.*[-.]t\)[abglx]z$'`ar;;
*.tbz2)
FILE=`expr "X$1" : 'X\(.*[-.]t\)bz2$'`ar;;
*.tzo)
FILE=`expr "X$1" : 'X\(.*[-.]t\)zo$'`ar;;
*.tzst)
FILE=`expr "X$1" : 'X\(.*[-.]t\)zst$'`ar;;
esac
xz_status=$(
exec 4>&1
@ -103,16 +107,18 @@ elif test $# -eq 2; then
*[-.]bz2 | *.tbz | *.tbz2) xz1=bzip2;;
*[-.][zZ] | *_z | *[-.]gz | *.t[ag]z) xz1=gzip;;
*[-.]lzo | *.tzo) xz1=lzop;;
*[-.]zst | *.tzst) xz1='zstd -q';;
esac
case $2 in
*[-.]bz2 | *.tbz | *.tbz2) xz2=bzip2;;
*[-.][zZ] | *_z | *[-.]gz | *.t[ag]z) xz2=gzip;;
*[-.]lzo | *.tzo) xz2=lzop;;
*[-.]zst | *.tzst) xz2='zstd -q';;
esac
case $1 in
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | -)
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | *[-.]zst | *.tzst | -)
case "$2" in
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | -)
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | *[-.]zst | *.tzst | -)
if test "$1$2" = --; then
xz_status=$(
exec 4>&1
@ -176,7 +182,7 @@ elif test $# -eq 2; then
esac;;
*)
case "$2" in
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | -)
*[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | *[-.]zst | *.tzst | -)
xz_status=$(
exec 4>&1
($xz2 -cdf -- "$2" 4>&-; echo $? >&4) 3>&- |