From 2efe27f0b0281fb2dea8ae9ba21d8d1df099c6f3 Mon Sep 17 00:00:00 2001
From: est31 <MTest31@outlook.com>
Date: Sun, 17 Jan 2016 18:11:14 +0100
Subject: [PATCH] Abort if {montage,convert} fails as well

---
 mapper.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/mapper.sh b/mapper.sh
index adafe1a..af551ba 100755
--- a/mapper.sh
+++ b/mapper.sh
@@ -64,7 +64,15 @@ do
 		for y in $(seq 0 $tnum)
 		do
 			montage $dirb/map_$(($x*2))_$((y*2)).png $dirb/map_$(($x*2+1))_$((y*2)).png $dirb/map_$(($x*2))_$((y*2+1)).png $dirb/map_$(($x*2+1))_$((y*2+1)).png -geometry +0+0 $dir/map_${x}_${y}.png
+			if [ $? -ne 0 ]; then
+				echo "montage exited with non zero exit code, aborting."
+				exit 1
+			fi
 			convert $dir/map_${x}_${y}.png -resize 50% $dir/map_${x}_${y}.png
+			if [ $? -ne 0 ]; then
+				echo "convert exited with non zero exit code, aborting."
+				exit 1
+			fi
 		done
 	done
 done