Start plymouth sooner and reload when gadget is available

debian/rules

@@ -6,47 +6,49 @@ include /usr/share/dpkg/default.mk
 %:
 	dh $@
 
-INSTALL_FILES_FROM_HOST=					\
-	/bin/kmod						\
-	/bin/mount						\
-	/sbin/sulogin						\
-	/bin/tar						\
-	/lib/$(DEB_HOST_MULTIARCH)/libgcc_s.so.1		\
-	/lib/$(DEB_HOST_MULTIARCH)/libnss_compat.so.*		\
-	/lib/$(DEB_HOST_MULTIARCH)/libnss_files.so.*		\
-	/lib/systemd/system/dbus.service			\
-	/lib/systemd/system/dbus.socket				\
-	/lib/systemd/system/plymouth-start.service		\
-	/lib/systemd/system/plymouth-switch-root.service	\
-	/lib/systemd/systemd-bootchart				\
-	/sbin/cryptsetup					\
-	/sbin/dmsetup						\
-	/sbin/e2fsck						\
-	/sbin/fsck /bin/umount					\
-	/sbin/fsck.vfat						\
-	/sbin/fsck.vfat						\
-	/sbin/mkfs.ext4						\
-	/sbin/mkfs.vfat						\
-	/sbin/sfdisk						\
-	/usr/bin/dbus-daemon					\
-	/usr/bin/mountpoint					\
-	/usr/bin/partx						\
-	/usr/bin/plymouth					\
-	/usr/bin/unsquashfs					\
-	/usr/lib/$(DEB_HOST_MULTIARCH)/plymouth/label-ft.so	\
-	/usr/lib/$(DEB_HOST_MULTIARCH)/plymouth/renderers/*.so	\
-	/usr/lib/$(DEB_HOST_MULTIARCH)/plymouth/script.so	\
-	/usr/lib/$(DEB_HOST_MULTIARCH)/plymouth/two-step.so	\
-	/usr/sbin/depmod					\
-	/usr/sbin/insmod					\
-	/usr/sbin/lsmod						\
-	/usr/sbin/modinfo					\
-	/usr/sbin/modprobe					\
-	/usr/sbin/plymouthd					\
-	/usr/sbin/rmmod						\
-	/usr/share/dbus-1/system.conf				\
-	/usr/share/libdrm/amdgpu.ids				\
-	/usr/share/plymouth/themes/bgrt/*			\
+INSTALL_FILES_FROM_HOST=						\
+	/bin/kmod							\
+	/bin/mount							\
+	/sbin/sulogin							\
+	/bin/tar							\
+	/lib/$(DEB_HOST_MULTIARCH)/libgcc_s.so.1			\
+	/lib/$(DEB_HOST_MULTIARCH)/libnss_compat.so.*			\
+	/lib/$(DEB_HOST_MULTIARCH)/libnss_files.so.*			\
+	/lib/systemd/system/dbus.service				\
+	/lib/systemd/system/dbus.socket					\
+	/lib/systemd/system/plymouth-start.service			\
+	/lib/systemd/system/plymouth-switch-root.service		\
+	/lib/systemd/system/systemd-ask-password-plymouth.path		\
+	/lib/systemd/system/systemd-ask-password-plymouth.service	\
+	/lib/systemd/systemd-bootchart					\
+	/sbin/cryptsetup						\
+	/sbin/dmsetup							\
+	/sbin/e2fsck							\
+	/sbin/fsck /bin/umount						\
+	/sbin/fsck.vfat							\
+	/sbin/fsck.vfat							\
+	/sbin/mkfs.ext4							\
+	/sbin/mkfs.vfat							\
+	/sbin/sfdisk							\
+	/usr/bin/dbus-daemon						\
+	/usr/bin/mountpoint						\
+	/usr/bin/partx							\
+	/usr/bin/plymouth						\
+	/usr/bin/unsquashfs						\
+	/usr/lib/$(DEB_HOST_MULTIARCH)/plymouth/label-ft.so		\
+	/usr/lib/$(DEB_HOST_MULTIARCH)/plymouth/renderers/*.so		\
+	/usr/lib/$(DEB_HOST_MULTIARCH)/plymouth/script.so		\
+	/usr/lib/$(DEB_HOST_MULTIARCH)/plymouth/two-step.so		\
+	/usr/sbin/depmod						\
+	/usr/sbin/insmod						\
+	/usr/sbin/lsmod							\
+	/usr/sbin/modinfo						\
+	/usr/sbin/modprobe						\
+	/usr/sbin/plymouthd						\
+	/usr/sbin/rmmod							\
+	/usr/share/dbus-1/system.conf					\
+	/usr/share/libdrm/amdgpu.ids					\
+	/usr/share/plymouth/themes/bgrt/*				\
 	/usr/share/plymouth/themes/spinner/*
 
 override_dh_auto_install:

factory/usr/lib/systemd/system/plymouth-start.service.d/core-override.conf

@@ -1,6 +1,4 @@
-[Unit]
-After=snap-initramfs-mounts.service
-
 [Service]
 ExecStart=
 ExecStart=/usr/sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session --ignore-serial-consoles
+ExecReload=-/usr/sbin/plymouth reload

factory/usr/lib/systemd/system/plymouth-start.service.d/plymouth-reload.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=Reload Plymouth theme
+DefaultDependencies=no
+ConditionPathExists=/run/plymouth/pid
+ConditionPathExists=/run/mnt/gadget/splash/plymouth/themes
+After=snap-initramfs-mounts.service
+Before=plymouth-switch-root.service
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/systemctl reload plymouth-start.service

factory/usr/lib/systemd/system/sysinit.target.wants/plymouth-reload.service

@@ -0,0 +1 @@
+../plymouth-reload.service