1 files changed, 40 insertions, 3 deletions
diff --git a/abs/extra/java7-openjdk/jre7-openjdk.install b/abs/extra/java7-openjdk/jre7-openjdk.install
index d98e79e..78e694f 100644
--- a/abs/extra/java7-openjdk/jre7-openjdk.install
+++ b/abs/extra/java7-openjdk/jre7-openjdk.install
@@ -1,18 +1,55 @@
+THIS_JRE='java-7-openjdk/jre'
+
+fix_default() {
+  if [ ! -x /usr/bin/java ]; then
+    /usr/bin/archlinux-java unset
+    echo ""
+  else
+    /usr/bin/archlinux-java get
+  fi
+}
+
 post_install() {
+  default=$(fix_default)
+  case ${default} in
+    "")
+      /usr/bin/archlinux-java set ${THIS_JRE}
+      ;;
+    ${THIS_JRE} | ${THIS_JRE/\/jre})
+      # Nothing
+      ;;
+    *)
+      echo "Default Java environment is already set to '${default}'"
+      echo "See 'archlinux-java help' to change it"
+      ;;
+  esac
+
   xdg-icon-resource forceupdate --theme hicolor 2> /dev/null
-  echo "when you use a non-reparenting window manager"
-  echo "set _JAVA_AWT_WM_NONREPARENTING=1 in"
-  echo "/etc/profile.d/jre.sh"
+  echo "when you use a non-reparenting window manager,"
+  echo "set _JAVA_AWT_WM_NONREPARENTING=1 in /etc/profile.d/jre.sh"
+
 #  update-desktop-database -q
 }
 
 post_upgrade() {
+  if [ -z $(fix_default) ]; then
+    /usr/bin/archlinux-java set ${THIS_JRE}
+  fi
+
   xdg-icon-resource forceupdate --theme hicolor 2> /dev/null
+
 #  update-desktop-database -q
 }
 
+pre_remove() {
+  if [ "x$(fix_default)" = "x${THIS_JRE/\/jre}" ]; then
+    /usr/bin/archlinux-java unset
+    echo "No Java environment is set as default anymore"
+  fi
+}
 
 post_remove() {
   xdg-icon-resource forceupdate --theme hicolor 2> /dev/null
+
 #  update-desktop-database -q
 }