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apk: provide csum for static conffiles

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For non-overlay configuration we need checksum for config file that
weren't modified by the user. For OPKG in sysupgrade we check the status
file for the Conffiles: entry of every package. this entry contains
checksum for every static file that the package contains.

Provide the same info for APK by creating a conffiles_static file and
parse this file on sysupgrade for non-overlay configurations.

This is also used by the sysupgrade -u option to exclude non-changed
files from the final backup.

Link: https://github.com/openwrt/openwrt/pull/15543
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Christian Marangi 2024-05-25 16:00:27 +02:00
parent 9a52ec4fa0
commit 93d49529a1
No known key found for this signature in database
GPG Key ID: AC001D09ADBFEAD7
2 changed files with 29 additions and 8 deletions
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17
include/package-pack.mk
View File

@ -307,12 +307,25 @@ else
if [ -n "$(USERID)" ]; then echo $(USERID) > $$(IDIR_$(1))/lib/apk/packages/$(1).rusers; fi;
if [ -n "$(ALTERNATIVES)" ]; then echo $(ALTERNATIVES) > $$(IDIR_$(1))/lib/apk/packages/$(1).alternatives; fi;
(cd $$(IDIR_$(1)) && find . -type f,l -printf "/%P\n" > $$(IDIR_$(1))/lib/apk/packages/$(1).list)
if [ -f $$(ADIR_$(1))/conffiles ]; then mv $$(ADIR_$(1))/conffiles $$(IDIR_$(1))/lib/apk/packages/$(1).conffiles; fi;
# Move conffiles to IDIR and build conffiles_static with csums
if [ -f $$(ADIR_$(1))/conffiles ]; then \
mv -f $$(ADIR_$(1))/conffiles $$(IDIR_$(1))/lib/apk/packages/$(1).conffiles; \
for file in $$$$(cat $$(IDIR_$(1))/lib/apk/packages/$(1).conffiles); do \
[ -f $$(IDIR_$(1))/$$$$file ] || continue; \
csum=$$$$($(MKHASH) sha256 $$(IDIR_$(1))/$$$$file); \
echo $$$$file $$$$csum >> $$(IDIR_$(1))/lib/apk/packages/$(1).conffiles_static; \
done; \
fi
# Some package (base-files) manually append stuff to conffiles
# Append stuff from it and delete the CONTROL directory since everything else should be migrated
if [ -f $$(IDIR_$(1))/CONTROL/conffiles ]; then \
cat $$(IDIR_$(1))/CONTROL/conffiles >> $$(IDIR_$(1))/lib/apk/packages/$(1).conffiles; \
echo $$$$(IDIR_$(1))/CONTROL/conffiles >> $$(IDIR_$(1))/lib/apk/packages/$(1).conffiles; \
for file in $$$$(cat $$(IDIR_$(1))/CONTROL/conffiles); do \
[ -f $$(IDIR_$(1))/$$$$file ] || continue; \
csum=$$$$($(MKHASH) sha256 $$(IDIR_$(1))/$$$$file); \
echo $$$$file $$$$csum >> $$(IDIR_$(1))/lib/apk/packages/$(1).conffiles_static; \
done; \
rm -rf $$(IDIR_$(1))/CONTROL/conffiles; \
fi

20
package/base-files/files/sbin/sysupgrade
View File

@ -130,12 +130,20 @@ fi
list_conffiles() {
awk '
BEGIN { conffiles = 0 }
/^Conffiles:/ { conffiles = 1; next }
!/^ / { conffiles = 0; next }
conffiles == 1 { print }
' /usr/lib/opkg/status
if [ -f /usr/lib/opkg/status ]; then
awk '
BEGIN { conffiles = 0 }
/^Conffiles:/ { conffiles = 1; next }
!/^ / { conffiles = 0; next }
conffiles == 1 { print }
' /usr/lib/opkg/status
elif [ -d /lib/apk/packages ]; then
conffiles=""
for file in /lib/apk/packages/*.conffiles_static; do
conffiles="$(echo -e "$(cat $file)\n$conffiles")"
done
echo "$conffiles"
fi
}
list_changed_conffiles() {