Imported Upstream version 1.3.5

[debian/gzip] / gzexe.in

diff --git a/gzexe.in b/gzexe.in
index b7a0cf4c260495553447721350e7ed94d0937910..2fa22e932fdb061e1a206221edd07b26930d6458 100755 (executable)
--- a/gzexe.in
+++ b/gzexe.in
@@ -13,6 +13,27 @@
 # The : is required for some old versions of csh.
 # On Ultrix, /bin/sh is too buggy, change the first line to: #!/bin/sh5
 
+
+# Copyright (C) 1998, 2002 Free Software Foundation
+# Copyright (C) 1993 Jean-loup Gailly
+
+# 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, 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.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+
+
+PATH="BINDIR:$PATH"
 x=`basename $0`
 if test $# = 0; then
   echo compress executables. original file foo is renamed to foo~
@@ -53,6 +74,9 @@ if test -z "$tail"; then
   echo cannot find tail
   exit 1
 fi
+case `echo foo | $tail -n +1 2>/dev/null` in
+foo) tail="$tail -n";;
+esac
 
 for i do
   if test ! -f "$i" ; then
@@ -75,7 +99,7 @@ for i do
     continue
   fi
   case "`basename $i`" in
-  gzip | tail | chmod | ln | sleep | rm)
+  gzip | tail | sed | chmod | ln | sleep | rm)
        echo "${x}: $i would depend on itself"; continue ;;
   esac
   if test -z "$cpmod"; then
@@ -94,7 +118,7 @@ skip=22
 set -C
 umask=`umask`
 umask 77
-if tail +$skip $0 | "BINDIR"/gzip -cd > /tmp/gztmp$$; then
+if tail +$skip "$0" | "BINDIR"/gzip -cd > /tmp/gztmp$$; then
   umask $umask
   /bin/chmod 700 /tmp/gztmp$$
   prog="`echo $0 | /bin/sed 's|^.*/||'`"
@@ -121,7 +145,7 @@ EOF
   else
     # decompression
     skip=22
-    if sed -e 1d -e 2q "$i" | grep "^skip=[0-9]*$" >/dev/null; then
+    if sed -e 1d -e 2q "$i" | grep "^skip=[0-9][0-9]*$" >/dev/null; then
       eval `sed -e 1d -e 2q "$i"`
     fi
     if tail +$skip "$i" | gzip -cd > $tmp; then