[Builder] Improve error handling

latex/entrypoint.sh

@@ -15,16 +15,16 @@ if [ -n "$EXTRA_PKGS" ]; then
 fi
 
 if [ -n "$INSTALL_HELPERS" ]; then
-    if [ "$INSTALL_HELPERS" == "true" ]; then
-        CURR_DIR=$(pwd)
-        mkdir ~/projects/ || true
-        cd ~/projects/
-        git clone https://git.janishutz.com/janishutz/latex || true
-        echo "
+	if [ "$INSTALL_HELPERS" == "true" ]; then
+		CURR_DIR=$(pwd)
+		mkdir ~/projects/ || true
+		cd ~/projects/
+		git clone https://git.janishutz.com/janishutz/latex || true
+		echo "
 Downloaded helpers, returning to $CURR_DIR
         "
-        cd "$CURR_DIR"
-    fi
+		cd "$CURR_DIR"
+	fi
 fi
 
 echo "
@@ -38,13 +38,13 @@ echo "
 Compiling document using latexmk with extra arguments: $EXTRA_ARGS
 "
 
-latexmk -pdf -latexoption=-file-line-error -latexoption=-interaction=nonstopmode -shell-escape $EXTRA_ARGS > /tmp/log.txt
+latexmk -pdf -latexoption=-file-line-error -latexoption=-interaction=nonstopmode -shell-escape $EXTRA_ARGS >/tmp/log.txt || compile_fail=1
 
-if [ $? != 0 ]; then
-    cat /tmp/log.txt
-    echo "
+if [ ${compile_fail:-0} -eq 1 ]; then
+	cat /tmp/log.txt
+	echo "
 ==> Compile has failed. See log above
     "
 else
-    echo "Compile successful, log omitted"
+	echo "Compile successful, log omitted"
 fi