Add an unpatched version of xz, XZ Utils, to /trunk/deps/third_party

xz/src/scripts/xzmore.in

+#!@POSIX_SHELL@
+
+# Copyright (C) 2001, 2002, 2007 Free Software Foundation
+# Copyright (C) 1992, 1993 Jean-loup Gailly
+
+# Modified for XZ Utils by Andrew Dudman and Lasse Collin.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+#SET_PATH - This line is a placeholder to ease patching this script.
+
+# 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.
+xz='@xz@ --format=auto'
+
+version='xzmore (@PACKAGE_NAME@) @VERSION@'
+
+usage="Usage: ${0##*/} [OPTION]... [FILE]...
+Like 'more', but operate on the uncompressed contents of xz compressed FILEs.
+
+Report bugs to <@PACKAGE_BUGREPORT@>."
+
+case $1 in
+        --help)    echo "$usage" || exit 2; exit;;
+        --version) echo "$version" || exit 2; exit;;
+esac
+
+oldtty=`stty -g 2>/dev/null`
+if stty -cbreak 2>/dev/null; then
+        cb='cbreak'; ncb='-cbreak'
+else
+        # 'stty min 1' resets eof to ^a on both SunOS and SysV!
+        cb='min 1 -icanon'; ncb='icanon eof ^d'
+fi
+if test $? -eq 0 && test -n "$oldtty"; then
+        trap 'stty $oldtty 2>/dev/null; exit' 0 2 3 5 10 13 15
+else
+        trap 'stty $ncb echo 2>/dev/null; exit' 0 2 3 5 10 13 15
+fi
+
+if test $# = 0; then
+        if test -t 0; then
+                echo "$usage"; exit 1
+        else
+                $xz -cdfq | eval "${PAGER:-more}"
+        fi
+else
+        FIRST=1
+        for FILE; do
+                < "$FILE" || continue
+                if test $FIRST -eq 0; then
+                        printf "%s--More--(Next file: %s)" "" "$FILE"
+                        stty $cb -echo 2>/dev/null
+                        ANS=`dd bs=1 count=1 2>/dev/null`
+                        stty $ncb echo 2>/dev/null
+                        echo " "
+                        case "$ANS" in
+                                [eq]) exit;;
+                        esac
+                fi
+                if test "$ANS" != 's'; then
+                        echo "------> $FILE <------"
+                        $xz -cdfq -- "$FILE" | eval "${PAGER:-more}"
+                fi
+                if test -t 1; then
+                        FIRST=0
+                fi
+        done
+fi