commit 67c9ddf12d8a044cb1f9dde0c5c03da2390a2571
author deadNightTiger <missterr@gmail.com> Thu Aug 22 21:10:39 2019 +0400
committer Jay Conrod <jayconrod@google.com> Fri Aug 23 11:11:46 2019 -0400
tree d0cec102429612272d154a20e56a46ccdb244942
parent 0db127e0c4a9c2c8e4454c93e06511deea78ad1b

autogazelle: use default syntax for expanding $1 (#627)

When calling bazel without parameters, the script was giving an error "$1: unbound variable".
This fixes it by using an explicit default value of an empty string.

cmd/autogazelle/autogazelle.bash

diff --git a/cmd/autogazelle/autogazelle.bash b/cmd/autogazelle/autogazelle.bash
index 160c9f8..48b56d9 100755
--- a/cmd/autogazelle/autogazelle.bash
+++ b/cmd/autogazelle/autogazelle.bash
@@ -23,7 +23,7 @@
 
 set -euo pipefail
 
-case "$1" in
+case "${1:-}" in
   build|coverage|cquery|fetch|mobile-install|print_action|query|run|test)
     "$BAZEL_REAL" run @bazel_gazelle//cmd/autogazelle -- -gazelle=//:gazelle
     echo "done running autogazelle" 1>&2