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base-files: merge /etc/passwd on rw-rootfs

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Support installations without root-overlayfs (and hence without /rom)
when migrating user accounts.

Signed-off-by: Imran Khan <gururug@gmail.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
[simplified patch, bumped PKG_RELEASE, cleaned message]
This commit is contained in:
Imran Khan 2020-11-27 06:19:02 +00:00 committed by Daniel Golle
parent dfa357a3de
commit 9c2eceef90
2 changed files with 6 additions and 4 deletions
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2
package/base-files/Makefile
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@ -12,7 +12,7 @@ include $(INCLUDE_DIR)/version.mk
include $(INCLUDE_DIR)/feeds.mk
PKG_NAME:=base-files
PKG_RELEASE:=237
PKG_RELEASE:=238
PKG_FLAGS:=nonshared
PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/

8
package/base-files/files/lib/preinit/80_mount_root
View File

@ -20,11 +20,13 @@ do_mount_root() {
boot_run_hook preinit_mount_root
[ -f /sysupgrade.tgz ] && {
echo "- config restore -"
cp /etc/passwd /etc/group /etc/shadow /tmp
cd /
tar xzf /sysupgrade.tgz
missing_lines /rom/etc/passwd /etc/passwd >> /etc/passwd
missing_lines /rom/etc/group /etc/group >> /etc/group
missing_lines /rom/etc/shadow /etc/shadow >> /etc/shadow
missing_lines /tmp/passwd /etc/passwd >> /etc/passwd
missing_lines /tmp/group /etc/group >> /etc/group
missing_lines /tmp/shadow /etc/shadow >> /etc/shadow
rm /tmp/passwd /tmp/group /tmp/shadow
# Prevent configuration corruption on a power loss
sync
}