[busybox/slx-splash] update busybox/splash

2 files changed, 45 insertions, 14 deletions

diff --git a/modules.d/slx-splash/scripts/slx-splash-exam.sh b/modules.d/slx-splash/scripts/slx-splash-exam.sh
index 7a833a06..e9de2a61 100644
--- a/modules.d/slx-splash/scripts/slx-splash-exam.sh
+++ b/modules.d/slx-splash/scripts/slx-splash-exam.sh
@@ -1,14 +1,20 @@
 #!/usr/bin/env bash
 
+type warn &>/dev/null || . /lib/dracut-lib.sh
+
 . /etc/openslx
 
 if [ -n "$SLX_EXAM" ]; then
-	if [ -e "/etc/splash.ppm.gz" ]; then
-		/bin/busybox fbsplash -b -s "/etc/splash.ppm.gz" &
-	elif [ -e "/etc/splash.ppm" ]; then
-		/bin/busybox fbsplash -b -s "/etc/splash.ppm" &
-	else
-		echo "Splash screen requested, but not found in initramfs..."
+	fbsplash_ppm="/etc/splash.ppm.gz"
+	if ! [ -e "$fbsplash_ppm" ]; then
+		fbsplash_ppm="/etc/splash.ppm"
+		if ! [ -e "$fbsplash_ppm" ]; then
+			fbsplash_ppm=
+			warn "Splash screen requested, but not found in initramfs..."
+		fi
+	fi
+	if [ -n "$fbsplash_ppm" ]; then
+		/bin/busybox fbsplash -b -s "$fbsplash_ppm" &
 	fi
 fi
 
diff --git a/modules.d/slx-splash/scripts/slx-splash.sh b/modules.d/slx-splash/scripts/slx-splash.sh
index 601f45ce..69e2c4e4 100644
--- a/modules.d/slx-splash/scripts/slx-splash.sh
+++ b/modules.d/slx-splash/scripts/slx-splash.sh
@@ -1,15 +1,40 @@
 #!/usr/bin/env bash
 
+type warn &>/dev/null || source /lib/dracut-lib.sh
+
 show_splash() {
-	local ret=1
-	if [ -e "/etc/splash.ppm.gz" ]; then
-		/bin/busybox fbsplash -x -b -s "/etc/splash.ppm.gz"
-		ret=$?
-	elif [ -e "/etc/splash.ppm" ]; then
-		/bin/busybox fbsplash -x -b -s "/etc/splash.ppm"
-		ret=$?
+	# first determine where to place the ppm
+	screen_size="$(fbset | awk '$1 = /geometry/ {print $2" "$3}')"
+	screen_width="${screen_size%% *}"
+	screen_height="${screen_size#* }"
+	fbsplash_cfg="/etc/fbsplash.cfg"
+	fbsplash_ppm="/etc/splash.ppm.gz"
+	if [ -s "$fbsplash_ppm" ]; then
+		ppm_size="$(zcat "$fbsplash_ppm" | sed -n 2p)"
+	else
+		fbsplash_ppm="/etc/splash.ppm"
+		if [ -s "$fbsplash_ppm" ]; then
+			ppm_size="$(sed -n 2p "$fbsplash_ppm")"
+		else
+			warn "Splash screen requested, but not found in initramfs..."
+		fi
+	fi
+	ppm_width="${ppm_size%% *}"
+	ppm_height="${ppm_size#* }"
+	ppm_height="${ppm_height%% *}" # make sure nothing weird is trailing
+	img_left="$(( ( screen_width - ppm_width ) / 2  ))"
+	img_top="$(( ( screen_height - ppm_height ) / 2  ))"
+
+	# just checking if nothing too weird is set
+	if [ -n "$img_left" ] && [ -n "$img_top" ] \
+		&& [ "$img_left" -ge 0 ] && [ "$img_left" -lt 8096 ] \
+		&& [ "$img_top" -ge 0 ] && [ "$img_top" -lt 8096 ]; then
+		printf "IMG_TOP=%d\nIMG_LEFT=%d\n" \
+			"$img_top" "$img_left" \
+			> "$fbsplash_cfg"
+		fbsplash_args+=("-i" "$fbsplash_cfg")
 	fi
-	return $ret
+	fbsplash -b -s "$fbsplash_ppm" "${fbsplash_args[@]}"
 }
 
 init_drm() {