3 files changed, 52 insertions, 0 deletions
diff --git a/scripts/libmakepkg/util/meson.build b/scripts/libmakepkg/util/meson.build
index b0e829c4..229b004d 100644
--- a/scripts/libmakepkg/util/meson.build
+++ b/scripts/libmakepkg/util/meson.build
@@ -7,6 +7,7 @@ sources = [
   'option.sh.in',
   'parseopts.sh.in',
   'pkgbuild.sh.in',
+  'schema.sh.in',
   'source.sh.in',
   'util.sh.in',
 ]
diff --git a/scripts/libmakepkg/util/pkgbuild.sh.in b/scripts/libmakepkg/util/pkgbuild.sh.in
index b29229a3..0dc239d1 100644
--- a/scripts/libmakepkg/util/pkgbuild.sh.in
+++ b/scripts/libmakepkg/util/pkgbuild.sh.in
@@ -21,6 +21,8 @@
 [[ -n "$LIBMAKEPKG_UTIL_PKGBUILD_SH" ]] && return
 LIBMAKEPKG_UTIL_PKGBUILD_SH=1
 
+source "$LIBRARY/util/schema.sh"
+
 
 have_function() {
 	declare -f "$1" >/dev/null
diff --git a/scripts/libmakepkg/util/schema.sh.in b/scripts/libmakepkg/util/schema.sh.in
new file mode 100644
index 00000000..38f034e0
--- /dev/null
+++ b/scripts/libmakepkg/util/schema.sh.in
@@ -0,0 +1,49 @@
+#!/bin/bash
+#
+#   schema.sh - declare specific groups of pkgbuild variables
+#
+#   Copyright (c) 2015-2018 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_SCHEMA_SH" ]] && return
+LIBMAKEPKG_SCHEMA_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/util.sh"
+
+
+known_hash_algos=({md5,sha{1,224,256,384,512}})
+
+pkgbuild_schema_arrays=(arch backup checkdepends conflicts depends groups
+                        license makedepends noextract optdepends options
+                        provides replaces source validpgpkeys
+                        "${known_hash_algos[@]/%/sums}")
+
+pkgbuild_schema_strings=(changelog epoch install pkgbase pkgdesc pkgrel pkgver
+                         url)
+
+pkgbuild_schema_arch_arrays=(checkdepends conflicts depends makedepends
+                             optdepends provides replaces source
+                             "${known_hash_algos[@]/%/sums}")
+
+pkgbuild_schema_package_overrides=(pkgdesc arch url license groups depends
+                                   optdepends provides conflicts replaces
+                                   backup options install changelog)
+
+readonly -a known_hash_algos pkgbuild_schema_arrays \
+	pkgbuild_schema_strings pkgbuild_schema_arch_arrays \
+	pkgbuild_schema_package_overrides