sed -i destroys symlinks

If /etc/passwd is a symlink, sed -i on same file will replace the
symlink with a new file. Prevent that by adding --follow-symlinks
option to sed

(From OE-Core rev: 6ec004b2e7b4342465af8e5e6cc66041834821a0)

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/meta/classes-recipe/rootfs-postcommands.bbclass b/meta/classes-recipe/rootfs-postcommands.bbclass
index 06388b72fb..29ee74932a 100644
--- a/meta/classes-recipe/rootfs-postcommands.bbclass
+++ b/meta/classes-recipe/rootfs-postcommands.bbclass
@@ -241,10 +241,10 @@ read_only_rootfs_hook () {
 #
 zap_empty_root_password () {
         if [ -e ${IMAGE_ROOTFS}/etc/shadow ]; then
-                sed -i 's%^root::%root:*:%' ${IMAGE_ROOTFS}/etc/shadow
+                sed --follow-symlinks -i 's%^root::%root:*:%' ${IMAGE_ROOTFS}/etc/shadow
         fi
         if [ -e ${IMAGE_ROOTFS}/etc/passwd ]; then
-                sed -i 's%^root::%root:*:%' ${IMAGE_ROOTFS}/etc/passwd
+                sed --follow-symlinks -i 's%^root::%root:*:%' ${IMAGE_ROOTFS}/etc/passwd
         fi
 }