Don't overwrite user modified issue files.

[carnet-upgrade.git] / src / functions.sh

diff --git a/src/functions.sh b/src/functions.sh
index 5ec3d81..9040822 100644 (file)
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -1240,15 +1240,22 @@ comment_force_overwrite () {
   fi
 }
 
+# try not to overwrite user modified issue files
 fix_issue () {
-  cat > /etc/issue <<EOF
+  if cmp /etc/issue $cnup/files/etc/issue.expect.lenny >/dev/null; then
+    cp -av /etc/issue /etc/issue.$backup_ext
+    cat > /etc/issue <<EOF
 Debian GNU/Linux 5.0 (CARNet Debian 5.0) \\n \\l
 
 EOF
+  fi
 
-  cat > /etc/issue.net <<EOF
+  if cmp /etc/issue.net $cnup/files/etc/issue.net.expect.lenny >/dev/null; then
+    cp -av /etc/issue.net /etc/issue.net.$backup_ext
+    cat > /etc/issue.net <<EOF
 Debian GNU/Linux 5.0 (CARNet Debian 5.0) %h
 EOF
+  fi
 }
 
 check_archives_space() {