Merge pull request #162 from cisagov/improvement/set_default_for_run_steps

Set the default `shell` for all `run` steps in the `build` workflow

Author: mcdonnnj

.github/workflows/build.yml

@@ -11,6 +11,14 @@ on:
     types:
       - apb
 
+# Set a default shell for any run steps. The `-Eueo pipefail` sets errtrace,
+# nounset, errexit, and pipefail. The `-x` will print all commands as they are
+# run. Please see the GitHub Actions documentation for more information:
+# https://docs.github.com/en/actions/using-jobs/setting-default-values-for-jobs
+defaults:
+  run:
+    shell: bash -Eueo pipefail -x {0}
+
 env:
   CURL_CACHE_DIR: ~/.cache/curl
   PIP_CACHE_DIR: ~/.cache/pip