abuild: show package size in human readable format

abuild.in

@@ -995,8 +995,16 @@ scan_shared_objects() {
 	done > "$controldir"/.needs-so
 }
 
+# read size in bytes from stdin and show as human readable
+human_size() {
+	awk '{  split("B KB MB GB TB PB", type)
+		for(i=5; y < 1; i--)
+			y = $1 / (2**(10*i))
+		printf("%.1f %s\n", y, type[i+2]) }'
+}
+
 create_apks() {
-	local file= dir= name= ver= apk= datadir=
+	local file= dir= name= ver= apk= datadir= size=
 	getpkgver || return 1
 	mkdir -p "$PKGDEST"
 	if [ "$arch" != "noarch" ] && ! options_has "!tracedeps"; then
@@ -1012,11 +1020,13 @@ create_apks() {
 		dir="${file%/.PKGINFO}"
 		name=$(pkginfo_val pkgname $file)
 		ver=$(pkginfo_val pkgver $file)
+		size=$(pkginfo_val size $file | human_size)
 		apk=$name-$ver.apk
 		datadir="$pkgbasedir"/$name
 		subpkgname=$name
 
 		trace_apk_deps "$name" "$dir" || return 1
+		msg "Package size: ${size}"
 		msg "Compressing data..."
 		(
 		cd "$datadir"