From e61ab1536f4b198ac5c62cf68d706d93bc6481be Mon Sep 17 00:00:00 2001
From: Dan McGee <dan@archlinux.org>
Date: Sat, 6 Jun 2009 12:49:37 -0500
Subject: makepkg: refactor sanity checking into a function

No new checks, just move it into a function and return 1 rather than exit
directly. This also allows the use of local variables.

Signed-off-by: Dan McGee <dan@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
---
 scripts/makepkg.sh.in | 142 +++++++++++++++++++++++++++-----------------------
 1 file changed, 76 insertions(+), 66 deletions(-)

diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index cb63f9ae..f46b7f81 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -1103,6 +1103,79 @@ install_package() {
 	fi
 }
 
+check_sanity() {
+	# check for no-no's in the build script
+	if [ -z "$pkgname" ]; then
+		error "$(gettext "%s is not allowed to be empty.")" "pkgname"
+		return 1
+	fi
+	if [ -z "$pkgver" ]; then
+		error "$(gettext "%s is not allowed to be empty.")" "pkgver"
+		return 1
+	fi
+	if [ -z "$pkgrel" ]; then
+		error "$(gettext "%s is not allowed to be empty.")" "pkgrel"
+		return 1
+	fi
+	if [ "$pkgver" != "${pkgver//-/}" ]; then
+		error "$(gettext "%s is not allowed to contain hyphens.")" "pkgver"
+		return 1
+	fi
+	if [ "$pkgrel" != "${pkgrel//-/}" ]; then
+		error "$(gettext "%s is not allowed to contain hyphens.")" "pkgrel"
+		return 1
+	fi
+
+	if [ "$arch" = 'any' ]; then
+		CARCH='any'
+	fi
+
+	pkgbase=${pkgbase:-${pkgname[0]}}
+
+	if ! in_array $CARCH ${arch[@]}; then
+		if [ "$IGNOREARCH" -eq 0 ]; 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 arch=('%s').")" "$CARCH"
+			return 1
+		fi
+	fi
+
+	local provide
+	for provide in ${provides[@]}; do
+		if [ $provide != ${provide//</} -o $provide != ${provide//>/} ]; then
+			error "$(gettext "Provides array cannot contain comparison (< or >) operators.")"
+			return 1
+		fi
+	done
+
+	if [ "$install" -a ! -f "$install" ]; then
+		error "$(gettext "Install scriptlet (%s) does not exist.")" "$install"
+		return 1
+	fi
+
+	local valid_options=1
+	local opt known kopt
+	for opt in ${options[@]}; do
+		known=0
+		# check if option matches a known option or its inverse
+		for kopt in ${packaging_options[@]} ${other_options[@]}; do
+			if [ "${opt}" = "${kopt}" -o "${opt}" = "!${kopt}" ]; then
+				known=1
+			fi
+		done
+		if [ $known -eq 0 ]; then
+			error "$(gettext "options array contains unknown option '%s'")" "$opt"
+			valid_options=0
+		fi
+	done
+	if [ $valid_options -eq 0 ]; then
+		return 1
+	fi
+
+	return 0
+}
+
 devel_check() {
 	newpkgver=""
 
@@ -1556,74 +1629,11 @@ if [ "$(type -t package)" = "function" ]; then
 	PKGFUNC=1
 fi
 
-# check for no-no's in the build script
-if [ -z "$pkgname" ]; then
-	error "$(gettext "%s is not allowed to be empty.")" "pkgname"
-	exit 1
-fi
-if [ -z "$pkgver" ]; then
-	error "$(gettext "%s is not allowed to be empty.")" "pkgver"
-	exit 1
-fi
-if [ -z "$pkgrel" ]; then
-	error "$(gettext "%s is not allowed to be empty.")" "pkgrel"
-	exit 1
-fi
-if [ "$pkgver" != "${pkgver//-/}" ]; then
-	error "$(gettext "%s is not allowed to contain hyphens.")" "pkgver"
-	exit 1
-fi
-if [ "$pkgrel" != "${pkgrel//-/}" ]; then
-	error "$(gettext "%s is not allowed to contain hyphens.")" "pkgrel"
-	exit 1
-fi
-
-if [ "$arch" = 'any' ]; then
-	CARCH='any'
-fi
-
-pkgbase=${pkgbase:-${pkgname[0]}}
-
-if ! in_array $CARCH ${arch[@]}; then
-	if [ "$IGNOREARCH" -eq 0 ]; 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 arch=('%s').")" "$CARCH"
-		exit 1
-	fi
-fi
-
-for provide in ${provides[@]}; do
-	if [ $provide != ${provide//</} -o $provide != ${provide//>/} ]; then
-		error "$(gettext "Provides array cannot contain comparison (< or >) operators.")"
-		exit 1
-	fi
-done
-unset provide
-
-if [ "$install" -a ! -f "$install" ]; then
-	error "$(gettext "Install scriptlet (%s) does not exist.")" "$install"
-	exit 1
-fi
-
-valid_options=1
-for opt in ${options[@]}; do
-	known=0
-	# check if option matches a known option or its inverse
-	for kopt in ${packaging_options[@]} ${other_options[@]}; do
-		if [ "${opt}" = "${kopt}" -o "${opt}" = "!${kopt}" ]; then
-			known=1
-		fi
-	done
-	if [ $known -eq 0 ]; then
-		error "$(gettext "options array contains unknown option '%s'")" "$opt"
-		valid_options=0
-	fi
-done
-if [ $valid_options -eq 0 ]; then
+# check the PKGBUILD for some basic requirements
+check_sanity || insane=1
+if [ $insane -eq 1 ]; then
 	exit 1
 fi
-unset valid_options opt known kopt
 
 # We need to run devel_update regardless of whether we are in the fakeroot
 # build process so that if the user runs makepkg --forcever manually, we
-- 
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