libmakepkg: extract PKGBUILD linting functions

Signed-off-by: Allan McRae <allan@archlinux.org>

18 files changed, 838 insertions, 0 deletions

diff --git a/scripts/libmakepkg/.gitignore b/scripts/libmakepkg/.gitignore
index 46d8fc1d..e5a6995c 100644
--- a/scripts/libmakepkg/.gitignore
+++ b/scripts/libmakepkg/.gitignore
@@ -1,6 +1,8 @@
 lint_package.sh
 lint_package/build_references.sh
 lint_package/missing_backup.sh
+lint_pkgbuild.sh
+lint_pkgbuild/*.sh
 tidy.sh
 tidy/docs.sh
 tidy/emptydirs.sh
diff --git a/scripts/libmakepkg/lint_pkgbuild.sh.in b/scripts/libmakepkg/lint_pkgbuild.sh.in
new file mode 100644
index 00000000..a792d5bf
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild.sh.in
@@ -0,0 +1,46 @@
+#!/bin/bash
+#
+#   lint_pkgbuild.sh - functions for detecting PKGBUILD errors
+#
+#   Copyright (c) 2015 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 "$LIBMAKEPKG_LINT_PKGBUILD_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+
+
+declare -a lint_pkgbuild_functions
+
+for lib in "$LIBRARY/lint_pkgbuild/"*.sh; do
+	source "$lib"
+done
+
+readonly -a lint_pkgbuild_functions
+
+
+lint_pkgbuild() {
+	local ret=0
+
+	for func in ${lint_pkgbuild_functions[@]}; do
+		$func || ret=1
+	done
+
+	return $ret
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/arch.sh.in b/scripts/libmakepkg/lint_pkgbuild/arch.sh.in
new file mode 100644
index 00000000..547d5fc3
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/arch.sh.in
@@ -0,0 +1,64 @@
+#!/bin/bash
+#
+#   arch.sh - Check the 'arch' array conforms to requirements.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_ARCH_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_ARCH_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+
+lint_pkgbuild_functions+=('lint_arch')
+
+
+lint_arch() {
+	local a name list
+
+	if [[ $arch == 'any' ]]; then
+		return 0
+	fi
+
+	for a in "${arch[@]}"; do
+		if [[ $a = *[![:alnum:]_]* ]]; then
+			error "$(gettext "%s contains invalid characters: '%s'")" \
+					'arch' "${a//[[:alnum:]_]}"
+			ret=1
+		fi
+	done
+
+	if (( ! IGNOREARCH )) && ! in_array "$CARCH" "${arch[@]}"; then
+		error "$(gettext "%s is not available for the '%s' architecture.")" "$pkgbase" "$CARCH"
+		plain "$(gettext "Note that many packages may need a line added to their %s")" "$BUILDSCRIPT"
+		plain "$(gettext "such as %s.")" "arch=('$CARCH')"
+		return 1
+	fi
+
+	for name in "${pkgname[@]}"; do
+		get_pkgbuild_attribute "$name" 'arch' 1 list
+		if [[ $list && $list != 'any' ]] && ! in_array $CARCH "${list[@]}"; then
+			if (( ! IGNOREARCH )); then
+				error "$(gettext "%s is not available for the '%s' architecture.")" "$name" "$CARCH"
+				ret=1
+			fi
+		fi
+	done
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/backup.sh.in b/scripts/libmakepkg/lint_pkgbuild/backup.sh.in
new file mode 100644
index 00000000..c128d338
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/backup.sh.in
@@ -0,0 +1,51 @@
+#!/bin/bash
+#
+#   backup.sh - Check the 'backup' array conforms to requirements.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_BACKUP_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_BACKUP_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+
+lint_pkgbuild_functions+=('lint_backup')
+
+
+lint_backup() {
+	local list name backup_list ret=0
+
+	backup_list=("${backup[@]}")
+	for name in "${pkgname[@]}"; do
+		if extract_function_variable "package_$name" backup 1 list; then
+			backup_list+=("${list[@]}")
+		fi
+	done
+
+	for name in "${backup_list[@]}"; do
+		if [[ ${name:0:1} = "/" ]]; then
+			error "$(gettext "%s entry should not contain leading slash : %s")" "backup" "$name"
+			ret=1
+		fi
+	done
+
+	return $ret
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/changelog.sh.in b/scripts/libmakepkg/lint_pkgbuild/changelog.sh.in
new file mode 100644
index 00000000..2dac5dbf
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/changelog.sh.in
@@ -0,0 +1,45 @@
+#!/bin/bash
+#
+#   changelog.sh - Check the files in the 'changelog' array exist.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_CHANGELOG_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_CHANGELOG_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+source "$LIBRARY/lint_pkgbuild/util.sh"
+
+
+lint_pkgbuild_functions+=('lint_changelog')
+
+
+lint_changelog() {
+	local list name file changelog_list ret=0
+
+	changelog_list=("${changelog[@]}")
+	for name in "${pkgname[@]}"; do
+		if extract_function_variable "package_$name" changelog 0 file; then
+			changelog_list+=("$file")
+		fi
+	done
+
+	check_files_exist 'changelog' "${changelog_list[@]}"
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/epoch.sh.in b/scripts/libmakepkg/lint_pkgbuild/epoch.sh.in
new file mode 100644
index 00000000..93b51b84
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/epoch.sh.in
@@ -0,0 +1,37 @@
+#!/bin/bash
+#
+#   epoch.sh - Check the 'epoch' variable conforms to requirements.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_EPOCH_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_EPOCH_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+
+
+lint_pkgbuild_functions+=('lint_epoch')
+
+
+lint_epoch() {
+	if [[ $epoch != *([[:digit:]]) ]]; then
+		error "$(gettext "%s must be an integer, not %s.")" "epoch" "$epoch"
+		return 1
+	fi
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/install.sh.in b/scripts/libmakepkg/lint_pkgbuild/install.sh.in
new file mode 100644
index 00000000..21e0bfb7
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/install.sh.in
@@ -0,0 +1,44 @@
+#!/bin/bash
+#
+#   install.sh - Check the files in the 'install' array exist.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_INSTALL_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_INSTALL_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+source "$LIBRARY/lint_pkgbuild/util.sh"
+
+
+lint_pkgbuild_functions+=('lint_install')
+
+
+lint_install() {
+	local list file name install_list ret=0
+
+	install_list=("${install[@]}")
+	for name in "${pkgname[@]}"; do
+		extract_function_variable "package_$name" install 0 file
+		install_list+=("$file")
+	done
+
+	check_files_exist 'install' "${install_list[@]}"
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/optdepends.sh.in b/scripts/libmakepkg/lint_pkgbuild/optdepends.sh.in
new file mode 100644
index 00000000..6e66e0d2
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/optdepends.sh.in
@@ -0,0 +1,64 @@
+#!/bin/bash
+#
+#   optdepends.sh - Check the 'optdepends' array conforms to requirements.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_OPTDEPENDS_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_OPTDEPENDS_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+
+lint_pkgbuild_functions+=('lint_optdepends')
+
+
+lint_optdepends() {
+	local a list name optdepends_list ret=0
+
+	optdepends_list=("${optdepends[@]}")
+	for a in "${arch[@]}"; do
+		array_build list "optdepends_$a"
+		optdepends_list+=("${list[@]}")
+	done
+
+	for name in "${pkgname[@]}"; do
+		if extract_function_variable "package_$name" optdepends 1 list; then
+			optdepends_list+=("${list[@]}")
+		fi
+
+		for a in "${arch[@]}"; do
+			if extract_function_variable "package_$name" "optdepends_$a" 1 list; then
+				optdepends_list+=("${list[@]}")
+			fi
+		done
+	done
+
+	for name in "${optdepends_list[@]}"; do
+		local pkg=${name%%:[[:space:]]*}
+		# the '-' character _must_ be first or last in the character range
+		if [[ $pkg != +([-[:alnum:]><=.+_:]) ]]; then
+			error "$(gettext "Invalid syntax for %s: '%s'")" "optdepend" "$name"
+			ret=1
+		fi
+	done
+
+	return $ret
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/options.sh.in b/scripts/libmakepkg/lint_pkgbuild/options.sh.in
new file mode 100644
index 00000000..4423d26e
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/options.sh.in
@@ -0,0 +1,57 @@
+#!/bin/bash
+#
+#   options.sh - Check the 'options' array conforms to requirements.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_OPTIONS_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_OPTIONS_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+
+lint_pkgbuild_functions+=('lint_options')
+
+
+lint_options() {
+	local ret=0 list name kopt options_list
+
+	options_list=("${options[@]}")
+	for name in "${pkgname[@]}"; do
+		if extract_function_variable "package_$name" options 1 list; then
+			options_list+=("${list[@]}")
+		fi
+	done
+
+	for i in "${options_list[@]}"; do
+		# check if option matches a known option or its inverse
+		for kopt in "${packaging_options[@]}" "${build_options[@]}"; do
+			if [[ $i = "$kopt" || $i = "!$kopt" ]]; then
+				# continue to the next $i
+				continue 2
+			fi
+		done
+
+		error "$(gettext "%s array contains unknown option '%s'")" "options" "$i"
+		ret=1
+	done
+
+	return $ret
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/package_function.sh.in b/scripts/libmakepkg/lint_pkgbuild/package_function.sh.in
new file mode 100644
index 00000000..c2ed8370
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/package_function.sh.in
@@ -0,0 +1,51 @@
+#!/bin/bash
+#
+#   package_function.sh - Check that required package functions exist.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_PACKAGE_FUNCTION_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_PACKAGE_FUNCTION_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+
+lint_pkgbuild_functions+=('lint_package_function')
+
+
+lint_package_function() {
+	local i ret=0
+
+	if (( ${#pkgname[@]} == 1 )); then
+		if have_function 'build' && ! { have_function 'package' || have_function "package_$pkgname"; }; then
+			error "$(gettext "Missing %s function in %s")" "package()" "$BUILDFILE"
+			ret=1
+		fi
+	else
+		for i in "${pkgname[@]}"; do
+			if ! have_function "package_$i"; then
+				error "$(gettext "Missing %s function for split package '%s'")" "package_$i()" "$i"
+				ret=1
+			fi
+		done
+	fi
+
+	return $ret
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/pkgbase.sh.in b/scripts/libmakepkg/lint_pkgbuild/pkgbase.sh.in
new file mode 100644
index 00000000..abb40e0c
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/pkgbase.sh.in
@@ -0,0 +1,37 @@
+#!/bin/bash
+#
+#   pkgbase.sh - Check the 'pkgbase' variable conforms to requirements.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_PKGBASE_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_PKGBASE_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+
+
+lint_pkgbuild_functions+=('lint_pkgbase')
+
+
+lint_pkgbase() {
+	if [[ ${pkgbase:0:1} = "-" ]]; then
+		error "$(gettext "%s is not allowed to start with a hyphen.")" "pkgname"
+		return 1
+	fi
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/pkglist.sh.in b/scripts/libmakepkg/lint_pkgbuild/pkglist.sh.in
new file mode 100644
index 00000000..26a8ac04
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/pkglist.sh.in
@@ -0,0 +1,44 @@
+#!/bin/bash
+#
+#   pkglist.sh - Check the packages selected to build exist.
+#
+#   Copyright (c) 2014-2015 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 "$LIBMAKEPKG_LINT_PKGBUILD_PKGLIST_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_PKGLIST_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/util.sh"
+
+
+lint_pkgbuild_functions+=('lint_pkglist')
+
+
+lint_pkglist() {
+	local i ret=0
+
+	for i in "${PKGLIST[@]}"; do
+		if ! in_array "$i" "${pkgname[@]}"; then
+			error "$(gettext "Requested package %s is not provided in %s")" "$i" "$BUILDFILE"
+			ret=1
+		fi
+	done
+
+	return $ret
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/pkgname.sh.in b/scripts/libmakepkg/lint_pkgbuild/pkgname.sh.in
new file mode 100644
index 00000000..e5e2f269
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/pkgname.sh.in
@@ -0,0 +1,57 @@
+#!/bin/bash
+#
+#   pkgname.sh - Check the 'pkgname' variable conforms to requirements.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_PKGNAME_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_PKGNAME_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+
+
+lint_pkgbuild_functions+=('lint_pkgname')
+
+
+lint_pkgname() {
+	local ret=0 i
+
+	for i in "${pkgname[@]}"; do
+		if [[ -z $i ]]; then
+			error "$(gettext "%s is not allowed to be empty.")" "pkgname"
+			ret=1
+			continue
+		fi
+		if [[ ${i:0:1} = "-" ]]; then
+			error "$(gettext "%s is not allowed to start with a hyphen.")" "pkgname"
+			ret=1
+		fi
+		if [[ ${i:0:1} = "." ]]; then
+			error "$(gettext "%s is not allowed to start with a dot.")" "pkgname"
+			ret=1
+		fi
+		if [[ $i = *[^[:alnum:]+_.@-]* ]]; then
+			error "$(gettext "%s contains invalid characters: '%s'")" \
+					'pkgname' "${i//[[:alnum:]+_.@-]}"
+			ret=1
+		fi
+	done
+
+	return $ret
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/pkgrel.sh.in b/scripts/libmakepkg/lint_pkgbuild/pkgrel.sh.in
new file mode 100644
index 00000000..371e6a1f
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/pkgrel.sh.in
@@ -0,0 +1,42 @@
+#!/bin/bash
+#
+#   pkgrel.sh - Check the 'pkgrel' variable conforms to requirements.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_PKGREL_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_PKGREL_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+
+
+lint_pkgbuild_functions+=('lint_pkgrel')
+
+
+lint_pkgrel() {
+	if [[ -z $pkgrel ]]; then
+		error "$(gettext "%s is not allowed to be empty.")" "pkgrel"
+		return 1
+	fi
+
+	if [[ $pkgrel != +([0-9])?(.+([0-9])) ]]; then
+		error "$(gettext "%s must be a decimal, not %s.")" "pkgrel" "$pkgrel"
+		return 1
+	fi
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/pkgver.sh.in b/scripts/libmakepkg/lint_pkgbuild/pkgver.sh.in
new file mode 100644
index 00000000..d23f7043
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/pkgver.sh.in
@@ -0,0 +1,55 @@
+#!/bin/bash
+#
+#   pkgver.sh - Check the 'pkgver' variable conforms to requirements.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_PKGVER_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_PKGVER_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+
+
+lint_pkgbuild_functions+=('lint_pkgver')
+
+
+validate_pkgver() {
+	if [[ $1 = *[[:space:]:-]* ]]; then
+		error "$(gettext "%s is not allowed to contain colons, hyphens or whitespace.")" "pkgver"
+		return 1
+	fi
+}
+
+check_pkgver() {
+	if [[ -z ${pkgver} ]]; then
+		error "$(gettext "%s is not allowed to be empty.")" "pkgver"
+		return 1
+	fi
+
+	validate_pkgver "$pkgver"
+}
+
+lint_pkgver() {
+	if (( PKGVERFUNC )); then
+		# defer check to after getting version from pkgver function
+		return 0
+	fi
+
+	check_pkgver
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/provides.sh.in b/scripts/libmakepkg/lint_pkgbuild/provides.sh.in
new file mode 100644
index 00000000..668cf56c
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/provides.sh.in
@@ -0,0 +1,62 @@
+#!/bin/bash
+#
+#   provides.sh - Check the 'provides' array conforms to requirements.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_PROVIDES_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_PROVIDES_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+
+lint_pkgbuild_functions+=('lint_provides')
+
+
+lint_provides() {
+	local a list name provides_list ret=0
+
+	provides_list=("${provides[@]}")
+	for a in "${arch[@]}"; do
+		array_build list "provides_$a"
+		provides_list+=("${list[@]}")
+	done
+
+	for name in "${pkgname[@]}"; do
+		if extract_function_variable "package_$name" provides 1 list; then
+			provides_list+=("${list[@]}")
+		fi
+
+		for a in "${arch[@]}"; do
+			if extract_function_variable "package_$name" "provides_$a" 1 list; then
+				provides_list+=("${list[@]}")
+			fi
+		done
+	done
+
+	for provide in "${provides_list[@]}"; do
+		if [[ $provide == *['<>']* ]]; then
+			error "$(gettext "%s array cannot contain comparison (< or >) operators.")" "provides"
+			ret=1
+		fi
+	done
+
+	return $ret
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/source.sh.in b/scripts/libmakepkg/lint_pkgbuild/source.sh.in
new file mode 100644
index 00000000..c3272993
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/source.sh.in
@@ -0,0 +1,39 @@
+#!/bin/bash
+#
+#   source.sh - Check the 'source' array is not sparse.
+#
+#   Copyright (c) 2014-2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_SOURCE_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_SOURCE_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+
+
+lint_pkgbuild_functions+=('lint_source')
+
+
+lint_source() {
+	local idx=("${!source[@]}")
+
+	if (( ${#source[*]} > 0 && (idx[-1] + 1) != ${#source[*]} )); then
+		error "$(gettext "Sparse arrays are not allowed for source")"
+		return 1
+	fi
+}
diff --git a/scripts/libmakepkg/lint_pkgbuild/util.sh.in b/scripts/libmakepkg/lint_pkgbuild/util.sh.in
new file mode 100644
index 00000000..448abc8a
--- /dev/null
+++ b/scripts/libmakepkg/lint_pkgbuild/util.sh.in
@@ -0,0 +1,41 @@
+#!/bin/bash
+#
+#   util.sh - utility functions for pkgbuild linting.
+#
+#   Copyright (c) 2014-2015 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 "$LIBMAKEPKG_LINT_PKGBUILD_UTIL_SH" ]] && return
+LIBMAKEPKG_LINT_PKGBUILD_UTIL_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+
+
+check_files_exist() {
+	local kind=$1 files=("${@:2}") file ret
+
+	for file in "${files[@]}"; do
+		if [[ $file && ! -f $file ]]; then
+			error "$(gettext "%s file (%s) does not exist or is not a regular file.")" \
+				"$kind" "$file"
+			ret=1
+		fi
+	done
+
+	return $ret
+}