try another workaround for /etc/skel/.zshrc in debian/preinst

diff --git a/debian/preinst b/debian/preinst
index 6a6866a..43ccd68 100755 (executable)
--- a/debian/preinst
+++ b/debian/preinst
@@ -27,11 +27,11 @@ case "$1" in
         # move files from package grml-etc to grml-etc-core, make sure
         # we don't lose any files...
         for file in /etc/zsh/zlogin /etc/zsh/zprofile /etc/zsh/zshenv /etc/zsh/zshrc \
-                    /etc/zsh/zlogout /etc/skel/.zshrc /etc/vim/vimrc; do
+                    /etc/zsh/zlogout /etc/vim/vimrc; do
                divert_conffile $file && \
                [ -f "$file" ] && rm $file && \
                dpkg-divert --quiet --add --rename --package grml-etc-core --divert "$file".original $file  && \
-               [ -f "$file".dpkg-bak ] && mv -f "$file".dpkg-bak "$file"
+               [ -f "$file".dpkg-bak ]      && mv -f "$file".dpkg-bak "$file"
                [ -f "$file".grml-etc-core ] && mv -f "$file".grml-etc-core "$file"
 
                # trying to overwrite `/etc/skel/.zshrc', which is also in package zsh
@@ -39,6 +39,11 @@ case "$1" in
                # dpkg-divert --quiet --add --rename --package grml-etc-core --divert /etc/skel/.zshrc.original /etc/skel/.zshrc
         done
 
+       if dpkg-divert --list grml-etc-core 2>/dev/null | grep -q /etc/skel/.zshrc.original ; then
+          mv -f /etc/skel/.zshrc.original /etc/skel/.zshrc.original.old && \
+          dpkg-divert --remove --rename --package grml-etc-core /etc/skel/.zshrc
+       fi
+
      ;;
    *)
      echo "preinst called with unknown argument $1" >&2