From 4eb83e32046a6d670862bc91c3d82530963b455e Mon Sep 17 00:00:00 2001
From: Lasse Collin <lasse.collin@tukaani.org>
Date: Sat, 19 Mar 2011 13:08:22 +0200
Subject: Scripts: Add lzop (.lzo) support to xzdiff and xzgrep.

---
 src/scripts/xzdiff.in | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

(limited to 'src/scripts/xzdiff.in')

diff --git a/src/scripts/xzdiff.in b/src/scripts/xzdiff.in
index 45633e0a..0fa446f6 100644
--- a/src/scripts/xzdiff.in
+++ b/src/scripts/xzdiff.in
@@ -19,10 +19,10 @@
 
 # Instead of unsetting XZ_OPT, just make sure that xz will use file format
 # autodetection. This way memory usage limit and thread limit can be
-# specified via XZ_OPT. With gzip and bzip2 it's OK to just unset the
+# specified via XZ_OPT. With gzip, bzip2, and lzop it's OK to just unset the
 # environment variables.
 xz='@xz@ --format=auto'
-unset GZIP BZIP BZIP2
+unset GZIP BZIP BZIP2 LZOP
 
 case ${0##*/} in
   *cmp*) prog=xzcmp; cmp=${CMP:-cmp};;
@@ -77,17 +77,21 @@ if test $# -eq 1; then
       xz1=bzip2;;
     *[-.][zZ] | *_z | *[-.]gz | *.t[ag]z)
       xz1=gzip;;
+    *[-.]lzo | *.tzo)
+      xz1=lzop;;
     *)
       echo >&2 "$0: $1: Unknown compressed file name suffix"
       exit 2;;
   esac
   case $1 in
-    *[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma)
-      FILE=`expr "X$1" : 'X\(.*\)[-.][abglmxzZ2]*$'`;;
+    *[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *[-.]lzo)
+      FILE=`expr "X$1" : 'X\(.*\)[-.][abglmoxzZ2]*$'`;;
     *.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$'`ar;;
   esac
   xz_status=$(
     exec 4>&1
@@ -97,15 +101,17 @@ elif test $# -eq 2; then
   case $1 in
     *[-.]bz2 | *.tbz | *.tbz2) xz1=bzip2;;
     *[-.][zZ] | *_z | *[-.]gz | *.t[ag]z) xz1=gzip;;
+    *[-.]lzo | *.tzo) xz1=lzop;;
   esac
   case $2 in
     *[-.]bz2 | *.tbz | *.tbz2) xz2=bzip2;;
     *[-.][zZ] | *_z | *[-.]gz | *.t[ag]z) xz2=gzip;;
+    *[-.]lzo | *.tzo) xz2=lzop;;
   esac
   case $1 in
-    *[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *.t[abglx]z | *.tbz2 | -)
+    *[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | -)
       case "$2" in
-        *[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *.t[abglx]z | *.tbz2 | -)
+        *[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | -)
           if test "$1$2" = --; then
             xz_status=$(
               exec 4>&1
@@ -125,7 +131,7 @@ elif test $# -eq 2; then
               *) xz_status=0;;
             esac
           else
-            F=`expr "/$2" : '.*/\(.*\)[-.][ablmtxz2]*$'` || F=$prog
+            F=`expr "/$2" : '.*/\(.*\)[-.][ablmotxz2]*$'` || F=$prog
             tmp=
             trap '
               test -n "$tmp" && rm -f "$tmp"
@@ -152,7 +158,7 @@ elif test $# -eq 2; then
     esac;;
   *)
     case "$2" in
-      *[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *.t[abglx]z | *.tbz2 | -)
+      *[-.][zZ] | *_z | *[-.][gx]z | *[-.]bz2 | *[-.]lzma | *.t[abglx]z | *.tbz2 | *[-.]lzo | *.tzo | -)
         xz_status=$(
           exec 4>&1
           ($xz2 -cdfq -- "$2" 4>&-; echo $? >&4) 3>&- |
-- 
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