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base-files: sysupgrade: add function for conffiles retrieval 

The find command to retrieve files from /etc/sysupgrade.conf and
/lib/upgrade/keep.d/* is used twice in almost the same way.

Move it into a function to consolidate, enhance readability and make
future adjustments easier.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Acked-by: Paul Spooren <mail@aparcar.org>
Reviewed-by: Philip Prindeville <philipp@redfish-solutions.com>
This commit is contained in:
Adrian Schmutzler 2020-07-10 12:47:49 +02:00
parent f17c300983
commit 93b6122212
2 changed files with 13 additions and 8 deletions
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2
package/base-files/Makefile
View File

@ -12,7 +12,7 @@ include $(INCLUDE_DIR)/version.mk
include $(INCLUDE_DIR)/feeds.mk
PKG_NAME:=base-files
PKG_RELEASE:=242
PKG_RELEASE:=243
PKG_FLAGS:=nonshared
PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/

19
package/base-files/files/sbin/sysupgrade
View File

@ -131,12 +131,19 @@ list_changed_conffiles() {
done
}
list_static_conffiles() {
local filter=$1
find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
/etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
\( -type f -o -type l \) $filter 2>/dev/null
}
add_conffiles() {
local file="$1"
( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
/etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
\( -type f -o -type l \) $find_filter 2>/dev/null;
list_changed_conffiles ) | sort -u > "$file"
( list_static_conffiles "$find_filter"; list_changed_conffiles ) |
sort -u > "$file"
return 0
}
@ -154,9 +161,7 @@ add_overlayfiles() {
# backup files from /etc/sysupgrade.conf and /lib/upgrade/keep.d, but
# ignore those aready controlled by opkg conffiles
find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
/etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
\( -type f -o -type l \) 2>/dev/null | sort -u |
list_static_conffiles | sort -u |
grep -h -v -x -F -f $conffiles > "$keepfiles"
# backup conffiles, but only those changed if '-u'