Build installers with ruby 2.7 for linux + macos

package/support/package_archlinux.sh

@@ -22,7 +22,7 @@ TMP_DIR=$(mktemp -d tmp.XXXXXXXXX)
 pushd $TMP_DIR
 TMP_DIR="$(pwd)"
 
-cp "${DIR}/archlinux/PKGBUILD" ./PKGBUILD
+cp "${DIR}/archlinux/PKGBUILD.local" ./PKGBUILD
 
 tar -f substrate.tar.gz --directory="${SUBSTRATE_DIR}" -cz ./
 

substrate/run.sh

@@ -20,7 +20,7 @@ libxslt_file="libxslt-1.1.34.tar.gz"          # ftp://xmlsoft.org/libxml2/libxsl
 libyaml_file="yaml-0.2.5.tar.gz"              # http://pyyaml.org/download/libyaml/yaml-${libyaml_version}.tar.gz
 openssl_file="openssl-1.1.1k.tar.gz"          # https://www.openssl.org/source/openssl-${openssl_version}.tar.gz
 readline_file="readline-8.0.tar.gz"           # https://ftpmirror.gnu.org/readline/readline-${readline_version}.tar.gz
-ruby_file="ruby-3.0.1.zip"                    # https://cache.ruby-lang.org/pub/ruby/${ruby_short_version}/ruby-${ruby_version}.zip
+ruby_file="ruby-2.7.4.zip"                    # https://cache.ruby-lang.org/pub/ruby/${ruby_short_version}/ruby-${ruby_version}.zip
 xz_file="xz-5.2.5.tar.gz"                     # https://tukaani.org/xz/xz-${xz_version}.tar.gz
 zlib_file="zlib-1.2.11.tar.gz"                # http://zlib.net/zlib-${zlib_version}.tar.gz