Add a function to overwrite just the version and sha256 by grepping them

Changed files
+6
pkgs
build-support
upstream-updater
+6
pkgs/build-support/upstream-updater/update-walker.sh
···
mv "$1.new.tmp" "$1"
}
+
do_overwrite_just_version () {
+
ensure_hash
+
set_var_value version $CURRENT_VERSION
+
set_var_value sha256 $CURRENT_HASH
+
}
+
process_config () {
CONFIG_DIR="$(directory_of "$1")"
CONFIG_NAME="$(basename "$1")"