make sure failures stop the build

tools/lint.sh

@@ -1,4 +1,6 @@
 #!/bin/bash
 
+set -e
+
 TOOLS="$(cd "`dirname "$0"`"; pwd)"
 pylint -j 0 --rcfile=$TOOLS/../.pylintrc -f colorized --extension-pkg-whitelist=PyQt5 $TOOLS/../anki $TOOLS/../aqt

tools/tests.sh

@@ -5,6 +5,8 @@
 # tools/tests.sh decks # test only test_decks.py
 # coverage=1 tools/tests.sh # run with coverage test
 
+set -e
+
 BIN="$(cd "`dirname "$0"`"; pwd)"
 export PYTHONPATH=${BIN}/..:${PYTHONPATH}
 

tools/typecheck.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 TOOLS="$(cd "`dirname "$0"`"; pwd)"
 mypy $TOOLS/../anki $TOOLS/../aqt
 (cd $TOOLS/.. && pytype --config pytype.conf)