build/cbutils: top-down coding style, main on top

Signed-off-by: Leah Rowe <leah@libreboot.org>

1 files changed, 30 insertions, 36 deletions

diff --git a/resources/scripts/build/module/cbutils b/resources/scripts/build/module/cbutils
index a24cac02..487e4fd9 100755
--- a/resources/scripts/build/module/cbutils
+++ b/resources/scripts/build/module/cbutils
@@ -18,40 +18,31 @@
 #	along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-# This script assumes that the current working directory is the root
-
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
 printf "Building coreboot utils\n"
 
-buildutils() {
-	cbtree="${1}"
-	if [ ! -d "coreboot/${cbtree}/" ]; then
-		./download coreboot $cbtree || return 1
-	fi
-	if [ ! -d "coreboot/${cbtree}/" ]; then
-		printf "build/cbutils: coreboot/%s not found. Exiting\n" \
-				"${cbtree}"
-		return 1
+main()
+{
+	if [ $# -gt 0 ]; then
+		for board in "${@}"; do
+			buildfromboardconfig ${board} || exit 1
+		done
+	else
+		for boarddir in resources/coreboot/*; do
+			[ ! -d "${boarddir}" ] && continue
+			buildfromboardconfig ${boarddir##*/} || exit 1
+		done
 	fi
-	for util in cbfstool ifdtool; do
-	(
-		cd "coreboot/${cbtree}/util/${util}/"
-		make -j$(nproc) || return 1
-	)
-	done
-	return 0
 }
 
 buildfromboardconfig() {
 	board="${1}"
-	if [ ! -d "resources/coreboot/${board}" ]; then
+	[ ! -d "resources/coreboot/${board}" ] && \
 		continue
-	fi
-	if [ ! -f "resources/coreboot/${board}/board.cfg" ]; then
+	[ ! -f "resources/coreboot/${board}/board.cfg" ] && \
 		continue
-	fi
 	cbtree="undefined"
 	. "resources/coreboot/${board}/board.cfg" # source
 	if [ "${cbtree}" = "undefined" ]; then
@@ -60,21 +51,24 @@ buildfromboardconfig() {
 		return 1
 	fi
 	buildutils "${cbtree}" || return 1
-	return 0
 }
 
-if [ $# -gt 0 ]; then
-	for board in "${@}"; do
-		buildfromboardconfig ${board} || exit 1
-	done
-else
-	for boarddir in resources/coreboot/*; do
-		if [ ! -d "${boarddir}" ]; then
-			continue
-		fi
-		buildfromboardconfig ${boarddir##*/} || exit 1
+buildutils() {
+	cbtree="${1}"
+	if [ ! -d "coreboot/${cbtree}/" ]; then
+		./download coreboot $cbtree || return 1
+	fi
+	if [ ! -d "coreboot/${cbtree}/" ]; then
+		printf "build/cbutils: coreboot/%s not found. Exiting\n" \
+				"${cbtree}"
+		return 1
+	fi
+	for util in cbfstool ifdtool; do
+		(
+		cd "coreboot/${cbtree}/util/${util}/"
+		make -j$(nproc) || return 1
+		)
 	done
-fi
+}
 
-printf "\n\n"
-exit 0
+main $@