fix bzdiff when TMPDIR contains spaces

The bzdiff script doesn't contain enough quotes, so that it doesn't
work if the TMPDIR environment variable is defined and contains
spaces.

https://bugs.debian.org/493710
Author: Vincent Lefevre <vincent@vinc17.org>

1 files changed, 8 insertions, 8 deletions

diff --git a/bzdiff b/bzdiff
index 6fc38f9..bd96c27 100644..100755
--- a/bzdiff
+++ b/bzdiff
@@ -37,10 +37,6 @@ if test -z "$FILES"; then
         echo "Usage: $prog [${comp}_options] file [file]"
         exit 1
 fi
-tmp=`mktemp ${TMPDIR:-/tmp}/bzdiff.XXXXXXXXXX` || {
-      echo 'cannot create a temporary file' >&2
-      exit 1
-}
 set $FILES
 if test $# -eq 1; then
         FILE=`echo "$1" | sed 's/.bz2$//'`
@@ -53,10 +49,14 @@ elif test $# -eq 2; then
                 case "$2" in
                 *.bz2)
                         F=`echo "$2" | sed 's|.*/||;s|.bz2$||'`
-                        bzip2 -cdfq "$2" > $tmp
-                        bzip2 -cdfq "$1" | $comp $OPTIONS - $tmp
+                        tmp=`mktemp "${TMPDIR:-/tmp}"/bzdiff.XXXXXXXXXX` || {
+                              echo 'cannot create a temporary file' >&2
+                              exit 1
+                        }
+                        bzip2 -cdfq "$2" > "$tmp"
+                        bzip2 -cdfq "$1" | $comp $OPTIONS - "$tmp"
                         STAT="$?"
-                        /bin/rm -f $tmp;;
+                        /bin/rm -f "$tmp";;
 
                 *)      bzip2 -cdfq "$1" | $comp $OPTIONS - "$2"
                         STAT="$?";;
@@ -69,8 +69,8 @@ elif test $# -eq 2; then
                         STAT="$?";;
                 esac;;
         esac
-        exit "$STAT"
 else
         echo "Usage: $prog [${comp}_options] file [file]"
         exit 1
 fi
+exit "$STAT"