# HG changeset patch
# User Aleksej Bobylev <al.bobylev@gmail.com>
# Date 1500579646 -10800
# Node ID 8d3e8fb0dbf3f438a3b913c47f26f77679890f49
# Parent  99722514f5fedfdbd7df3c55a84c64bf22a395bf
modules/get, modules/install: use "release checksum" too, as defined in packages.info field #9.
Checksum from packages.md5 used in verifying downloaded package file, while checksum in packages.info[$9] used in updates checking.

diff -r 99722514f5fe -r 8d3e8fb0dbf3 modules/get
--- a/modules/get	Thu Jun 08 14:47:02 2017 +0300
+++ b/modules/get	Thu Jul 20 22:40:46 2017 +0300
@@ -348,11 +348,11 @@
 	IFS=$'\n'
 	for rep in $PRIORITY; do
 		[ ! -f "$rep/packages.info" ] && continue
-		# If found, output string "<name>-<ver>:<sum>"
-		line=$(awk -F$'\t' -vpkg="$(virtual_pkg "$1" "$rep")" \
-			'$1==pkg || $1"-"$2==pkg {printf "%s-%s:%s", $1, $2, $9; exit}' "$rep/packages.info")
-		if [ -n "$line" ]; then
-			namever=${line%:*}; pkgsum=${line#*:}
+		# If found, output string "<name>-<ver>"
+		namever=$(awk -F$'\t' -vpkg="$(virtual_pkg "$1" "$rep")" \
+			'$1==pkg || $1"-"$2==pkg {printf "%s-%s", $1, $2; exit}' "$rep/packages.info")
+		if [ -n "$namever" ]; then
+			pkgsum=$(awk -vfile="$namever.tazpkg" '{if($2==file)print $1}' $rep/packages.md5)
 			break
 		fi
 	done
@@ -360,7 +360,7 @@
 
 	debug "  rep='$rep'\n  namever='$namever'\n  pkgsum='$pkgsum'"
 
-	if [ -z "$line" ]; then
+	if [ -z "$namever" ]; then
 		_ 'Unable to find package "%s" in the mirrored packages list.' "$1" >&2
 		# Retry with "get-package"; prevent looping with 'redo'
 		if [ "$2" != 'redo' ]; then
diff -r 99722514f5fe -r 8d3e8fb0dbf3 modules/install
--- a/modules/install	Thu Jun 08 14:47:02 2017 +0300
+++ b/modules/install	Thu Jul 20 22:40:46 2017 +0300
@@ -615,20 +615,34 @@
 
 
 
-	# Update installed.info
+	# Update installed.info ----------------------------------------------------
 	SIZES=$(echo $PACKED_SIZE $UNPACKED_SIZE | sed 's|\.0||g')
+
 	# Remove newlines from some receipts
 	DEPENDS=$(echo $DEPENDS)
-	PKG_SUM="$(fgrep " $PACKAGE-$VERSION$EXTRAVERSION.tazpkg" "$PKGS_DB/installed.$SUM" | cut -d' ' -f1)"
+
+	# Calculate "release checksum": md5sum of file containing md5sums of:
+	# a) all files, b) receipt, and c) description.txt.
+	rsumf=$(mktemp)
+	cp $INSTALLED/$PACKAGE/md5sum $rsumf
+	md5sum $INSTALLED/$PACKAGE/receipt | sed 's| [^ ]*/| |' >> $rsumf
+	[ -e "$INSTALLED/$PACKAGE/description.txt" ] &&
+		md5sum $INSTALLED/$PACKAGE/description.txt | sed 's| [^ ]*/| |' >> $rsumf
+	RSUM=$(md5sum $rsumf | awk '{print $1}')
+	rm $rsumf
+
 	ii="$PKGS_DB/installed.info"
+
 	# Remove old entry
 	sed -i "/^$PACKAGE	/d" "$ii"
+
 	cat >> "$ii" <<EOT
-$PACKAGE	$VERSION$EXTRAVERSION	$CATEGORY	$SHORT_DESC	$WEB_SITE	$TAGS	$SIZES	$DEPENDS	$PKG_SUM
+$PACKAGE	$VERSION$EXTRAVERSION	$CATEGORY	$SHORT_DESC	$WEB_SITE	$TAGS	$SIZES	$DEPENDS	$RSUM
 EOT
-	#awk -F$'\t' -vp="$PACKAGE" '$1==p' "$PKGS_DB/packages.info" > $ii
+
 	TEMP_FILE="$(mktemp)"
 	sort "$ii" > "$TEMP_FILE"; mv -f "$TEMP_FILE" "$ii"; chmod a+r "$ii"; unset ii
+	# --------------------------------------------------------------------------
 
 	cd "$CUR_DIR"
 	footer "$(_ 'Package "%s" (%s) is installed.' "$PACKAGE" "$VERSION$EXTRAVERSION")"