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base-files: sysupgrade: group & cleanup global variables

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Group & describe them by type, drop unneeded exports.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
Rafał Miłecki 2024-02-12 11:56:58 +01:00
parent 57be93c16d
commit 73da77fd00
1 changed files with 33 additions and 31 deletions
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64
package/base-files/files/sbin/sysupgrade
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@ -4,26 +4,35 @@
. /lib/functions/system.sh
. /usr/share/libubox/jshn.sh
# initialize defaults
# File-local constants
CONF_TAR=/tmp/sysupgrade.tgz
ETCBACKUP_DIR=/etc/backup
INSTALLED_PACKAGES=${ETCBACKUP_DIR}/installed_packages.txt
COMMAND=/lib/upgrade/do_stage2
# File-local globals
SAVE_OVERLAY=0
SAVE_OVERLAY_PATH=
SAVE_PARTITIONS=1
SAVE_INSTALLED_PKGS=0
SKIP_UNCHANGED=0
CONF_IMAGE=
CONF_BACKUP_LIST=0
CONF_BACKUP=
CONF_RESTORE=
NEED_IMAGE=
HELP=0
TEST=0
# Globals accessed in other files
export MTD_ARGS=""
export MTD_CONFIG_ARGS=""
export INTERACTIVE=0
export VERBOSE=1
export SAVE_CONFIG=1
export SAVE_OVERLAY=0
export SAVE_OVERLAY_PATH=
export SAVE_PARTITIONS=1
export SAVE_INSTALLED_PKGS=0
export SKIP_UNCHANGED=0
export CONF_IMAGE=
export CONF_BACKUP_LIST=0
export CONF_BACKUP=
export CONF_RESTORE=
export IGNORE_MINOR_COMPAT=0
export NEED_IMAGE=
export HELP=0
export FORCE=0
export TEST=0
export CONFFILES=/tmp/sysupgrade.conffiles
# parse options
while [ -n "$1" ]; do
@ -32,18 +41,18 @@ while [ -n "$1" ]; do
-v) export VERBOSE="$(($VERBOSE + 1))";;
-q) export VERBOSE="$(($VERBOSE - 1))";;
-n) export SAVE_CONFIG=0;;
-c) export SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/etc;;
-o) export SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/;;
-p) export SAVE_PARTITIONS=0;;
-k) export SAVE_INSTALLED_PKGS=1;;
-u) export SKIP_UNCHANGED=1;;
-b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
-r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1; shift;;
-l|--list-backup) export CONF_BACKUP_LIST=1;;
-f) export CONF_IMAGE="$2"; shift;;
-c) SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/etc;;
-o) SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/;;
-p) SAVE_PARTITIONS=0;;
-k) SAVE_INSTALLED_PKGS=1;;
-u) SKIP_UNCHANGED=1;;
-b|--create-backup) CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
-r|--restore-backup) CONF_RESTORE="$2" NEED_IMAGE=1; shift;;
-l|--list-backup) CONF_BACKUP_LIST=1;;
-f) CONF_IMAGE="$2"; shift;;
-F|--force) export FORCE=1;;
-T|--test) export TEST=1;;
-h|--help) export HELP=1; break;;
-T|--test) TEST=1;;
-h|--help) HELP=1; break;;
--ignore-minor-compat-version) export IGNORE_MINOR_COMPAT=1;;
-*)
echo "Invalid option: $1" >&2
@ -54,11 +63,6 @@ while [ -n "$1" ]; do
shift;
done
export CONFFILES=/tmp/sysupgrade.conffiles
export CONF_TAR=/tmp/sysupgrade.tgz
export ETCBACKUP_DIR=/etc/backup
export INSTALLED_PACKAGES=${ETCBACKUP_DIR}/installed_packages.txt
IMAGE="$1"
[ -z "$IMAGE" -a -z "$NEED_IMAGE" -a $CONF_BACKUP_LIST -eq 0 -o $HELP -gt 0 ] && {
@ -368,8 +372,6 @@ fi
install_bin /sbin/upgraded
v "Commencing upgrade. Closing all shell sessions."
COMMAND='/lib/upgrade/do_stage2'
if [ -n "$FAILSAFE" ]; then
printf '%s\x00%s\x00%s' "$RAM_ROOT" "$IMAGE" "$COMMAND" >/tmp/sysupgrade
lock -u /tmp/.failsafe