r13: functions.sh:

[carnet-tools-cn.git] / functions.sh

diff --git a/functions.sh b/functions.sh
index b4218d1..e625d51 100644 (file)
--- a/functions.sh
+++ b/functions.sh
@@ -4,7 +4,11 @@ cp_get_ifaddr() {
   local ifaddr interface
 
   interface="$1"
-  [ -z "$interface" ] && interface=lo
+  if [ -z "$interface" ]; then
+    cp_get_ifdefault dev
+    interface="$RET"
+    [ -z "$interface" ] && interface=lo
+  fi
 
   if ! ifconfig $interface 2> /dev/null >> /dev/null; then
     echo "cp_get_ifaddr: $interface: No such interface" 1>&2
@@ -28,7 +32,11 @@ cp_get_ifmask() {
   local ifmask interface
 
   interface="$1"
-  [ -z "$interface" ] && interface=lo
+  if [ -z "$interface" ]; then
+    cp_get_ifdefault dev
+    interface="$RET"
+    [ -z "$interface" ] && interface=lo
+  fi
 
   if ! ifconfig $interface 2> /dev/null >> /dev/null; then
     echo "cp_get_ifmask: $interface: No such interface" 1>&2
@@ -155,10 +163,8 @@ cp_check_and_sed() {
     egrep -q "$s" "$i" || continue
     [ -h "$i" ]        && i=$(readlink -f "$i")
     sed "$sedcmd" "$i" > "$i.dpkg-tmp"
-    if ! cmp -s "$i" "$i.dpkg-tmp"; then
-      chown --reference "$i" "$i.dpkg-tmp"
-      chmod --reference "$i" "$i.dpkg-tmp"
-      mv "$i.dpkg-tmp" "$i"
+    if ! cmp -s "$i" "$i.dpkg-tmp" 2>&1 >/dev/null; then
+      cp_safe_file_replace "$i.dpkg-tmp" "$i"
     else
       rm "$i.dpkg-tmp"
     fi
@@ -212,3 +218,16 @@ ${CP_NOTICE}----------"
     sleep 1
   fi
 }
+
+# by ddzeko, Mon, 21 Mar 2005 11:31:59 +0100
+cp_safe_file_replace () {
+  [ "$CP_SCRIPT_DEBUG" ] && set -vx
+  local new old
+  new=$1
+  old=$2
+  if [ -e "$old" ]; then
+    chown --reference "$old" "$new"
+    chmod --reference "$old" "$new"
+  fi
+  mv "$new" "$old"
+}