fix `git describe`
We're getting a shallow clone of the repo from `actions/checkout` and
when we use `git describe` in the build, it's failing because there's no
history in the clone.
@@ -17,6 +17,7 @@ jobs:
steps:
- name: Checkout Repository
uses: actions/checkout@v2
+ - run: git fetch --prune --unshallow
- name: Install Go
uses: actions/setup-go@v2
