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sed -i destroys symlinks

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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>
This commit is contained in:
Joakim Tjernlund
2023-11-14 14:28:42 +01:00
committed by Richard Purdie
parent 35fa9488cb
commit a2ea2cb8d9
2 changed files with 3 additions and 3 deletions
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2
meta/classes/useradd_base.bbclass
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@@ -160,7 +160,7 @@ perform_passwd_expire () {
local username=`echo "$opts" | awk '{ print $NF }'`
local user_exists="`grep "^$username:" $rootdir/etc/passwd || true`"
if test "x$user_exists" != "x"; then
eval flock -x $rootdir${sysconfdir} -c \"$PSEUDO sed -i \''s/^\('$username':[^:]*\):[^:]*:/\1:0:/'\' $rootdir/etc/shadow \" || true
eval flock -x $rootdir${sysconfdir} -c \"$PSEUDO sed -follow-symlinks -i \''s/^\('$username':[^:]*\):[^:]*:/\1:0:/'\' $rootdir/etc/shadow \" || true
local passwd_lastchanged="`grep "^$username:" $rootdir/etc/shadow | cut -d: -f3`"
if test "x$passwd_lastchanged" != "x0"; then
bbfatal "${PN}: passwd --expire operation did not succeed."