r61: cp_check_and_backup(), kao cp_backup_conffile ali vraca false (3)

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

diff --git a/functions.sh b/functions.sh
index 773e522..2094e0a 100644 (file)
--- a/functions.sh
+++ b/functions.sh
@@ -139,9 +139,17 @@ cp_get_netaddr() {
 
 # by ico, Tue, 15 Mar 2005 14:04:21 +0100
 cp_backup_conffile() {
-  [ "$CP_SCRIPT_DEBUG" ] && set -vx
-  local file_bak
+  cp_check_and_backup "$@"
+}
 
+cp_check_and_backup() {
+  [ "$CP_SCRIPT_DEBUG" ] && set -vx
+  local file_bak check did
+  
+  if [ "x$1" = "x-r" ]; then
+    check=1
+    shift
+  fi
   if [ -z "$1" ]; then
     return 1
   fi
@@ -149,17 +157,28 @@ cp_backup_conffile() {
     echo "cp_backup_conffile: $1: No such file" 1>&2
     return 1
   fi
+  if [ -z "$2" ]; then
+    file_bak="/var/backups/`basename $1`.bak"
+  else
+    file_bak="/var/backups/`basename $2`.bak"
+  fi
 
-  file_bak="/var/backups/`basename $1`.bak"
-
-  if [ ! -f $file_bak ]; then
-    cp -pf "$1" $file_bak
+  if [ ! -f "$file_bak" ]; then
+    cp -pf "$1" "$file_bak"
+    did=1
   else
-    if ! cmp -s "$1" $file_bak; then
-      /usr/bin/savelog -p -c 7 $file_bak > /dev/null 2> /dev/null
-      cp -pf $1 $file_bak
+    if ! cmp -s "$1" "$file_bak"; then
+      /usr/bin/savelog -p -c 7 "$file_bak" > /dev/null 2> /dev/null
+      cp -pf "$1" "$file_bak"
+      did=1
     fi
   fi
+  
+  if [ "$check" -a "$did" ]; then
+    return 0
+  else
+    return 3
+  fi
 }
 
 # by jelly, Tue, 15 Mar 2005 14:04:21 +0100