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board/raspberrypi/post-build.sh: only tweak /etc/inittab if available

As pointed out in bug #9161, we don't always have an inittab file (if
systemd or no init is used), so the post build script should only try to
tweak it if present.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Peter Korsgaard 7 gadi atpakaļ
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720b9095a6
1 mainītis faili ar 4 papildinājumiem un 2 dzēšanām
  1. 4 2
      board/raspberrypi/post-build.sh

+ 4 - 2
board/raspberrypi/post-build.sh

@@ -4,6 +4,8 @@ set -u
 set -e
 
 # Add a console on tty1
-grep -qE '^tty1::' ${TARGET_DIR}/etc/inittab || \
-sed -i '/GENERIC_SERIAL/a\
+if [ -e ${TARGET_DIR}/etc/inittab ]; then
+    grep -qE '^tty1::' ${TARGET_DIR}/etc/inittab || \
+	sed -i '/GENERIC_SERIAL/a\
 tty1::respawn:/sbin/getty -L  tty1 0 vt100 # HDMI console' ${TARGET_DIR}/etc/inittab
+fi