[Android Software Development] Deltadroid:
The installation script for Google Now Launcher has been updated to remove the default OmniRom stock launcher (Launcher3) upon installation and rom updates.

Google Now Launcher addon for 4.4.4: gapps-kk-google-home-20150221-2-signed.zip

Google Now Launcher addon for 5.0.2+: gapps-lp-google-home-20150221-2-signed.zip

diff -ru gapps-kk-google-home-20150221-1-signed/META-INF/com/google/android/updater-script gapps-kk-google-home-20150221-2-signed/META-INF/com/google/android/updater-script
--- gapps-kk-google-home-20150221-1-signed/META-INF/com/google/android/updater-script	2015-02-21 22:59:08.000000000 +0100
+++ gapps-kk-google-home-20150221-2-signed/META-INF/com/google/android/updater-script	2008-02-29 02:33:46.000000000 +0100
@@ -4,8 +4,9 @@

ui_print("Installing files.");
run_program("/sbin/busybox", "mount", "/system");
+run_program("/sbin/mount", "-o", "remount,rw", "/system", "/system");
show_progress(1, 15);
-delete("/system/priv-app/Trebuchet.apk","/system/priv-app/GoogleHome.apk");
+delete("/system/priv-app/Trebuchet.apk","/system/priv-app/GoogleHome.apk","/system/priv-app/Launcher3.apk");
package_extract_dir("system", "/system");
show_progress(1, 15);
ui_print("Setting metadata.");
diff -ru gapps-kk-google-home-20150221-1-signed/system/addon.d/85-gapps-home.sh gapps-kk-google-home-20150221-2-signed/system/addon.d/85-gapps-home.sh
--- gapps-kk-google-home-20150221-1-signed/system/addon.d/85-gapps-home.sh	2015-02-21 22:59:08.000000000 +0100
+++ gapps-kk-google-home-20150221-2-signed/system/addon.d/85-gapps-home.sh	2008-02-29 02:33:46.000000000 +0100
@@ -34,5 +34,6 @@
;;
post-restore)
rm -f /system/priv-app/Trebuchet.apk
+ rm -f /system/priv-app/Launcher3.apk
;;
esac

diff -ru gapps-lp-google-home-20150221-1-signed/META-INF/com/google/android/updater-script gapps-lp-google-home-20150221-2-signed/META-INF/com/google/android/updater-script
--- gapps-lp-google-home-20150221-1-signed/META-INF/com/google/android/updater-script	2015-02-21 22:54:30.000000000 +0100
+++ gapps-lp-google-home-20150221-2-signed/META-INF/com/google/android/updater-script	2008-02-29 02:33:46.000000000 +0100
@@ -2,13 +2,14 @@
ui_print(" Google Home for Android 5.0.x ");
ui_print("***********************************************");

-ui_print("Installing files...");
+ui_print("Installing files.");
run_program("/sbin/busybox", "mount", "/system");
+run_program("/sbin/mount", "-o", "remount,rw", "/system", "/system");
show_progress(1, 15);
-delete_recursive("/system/priv-app/Trebuchet");
+delete_recursive("/system/priv-app/Trebuchet","/system/priv-app/GoogleHome","/system/app/Launcher3");
package_extract_dir("system", "/system");
show_progress(1, 15);
-ui_print("Cleaning up and setting metadata...");
+ui_print("Setting metadata.");
set_metadata_recursive("/system/addon.d", "uid", 0, "gid", 0, "dmode", 0755, "fmode", 0755, "capabilities", 0x0, "selabel", "u:object_r:system_file:s0");
set_metadata_recursive("/system/priv-app", "uid", 0, "gid", 0, "dmode", 0755, "fmode", 0644, "capabilities", 0x0, "selabel", "u:object_r:system_file:s0");
run_program("/sbin/busybox", "umount", "/system");
diff -ru gapps-lp-google-home-20150221-1-signed/system/addon.d/81-gapps-home.sh gapps-lp-google-home-20150221-2-signed/system/addon.d/81-gapps-home.sh
--- gapps-lp-google-home-20150221-1-signed/system/addon.d/81-gapps-home.sh	2015-02-21 22:54:30.000000000 +0100
+++ gapps-lp-google-home-20150221-2-signed/system/addon.d/81-gapps-home.sh	2008-02-29 02:33:46.000000000 +0100
@@ -34,6 +34,7 @@
;;
post-restore)
rm -rf /system/priv-app/Trebuchet
+ rm -rf /system/app/Launcher3
chmod 755 /system/priv-app/GoogleHome
;;
esac