* Add pre-commit step to replace lock-api-state.sh, which ensures that

  there are no buf image changes to commit. This was formerly run by rph
  at the beginning of a release.

.pre-commit-config.yaml

@@ -72,6 +72,11 @@ repos:
         description: "Runs `golangci-lint`, install https://github.com/golangci/golangci-lint"
         exclude: ^(proto/pkg|hpc-ard-launcher-go/launcher/)
         require_serial: true
+      - id: lock-api-state
+        name: "Generate buf image (lock-api-state.sh)"
+        entry: ./pre-commit/lock-api-state.sh
+        language: "script"
+        description: "Attempts to generate a new buf.image.bin, and fails if there are changes to commit."
 
   - repo: https://github.com/adrienverge/yamllint.git
     rev: v1.28.0

pre-commit/lock-api-state.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# Regenerate proto/buf.image.bin
+make -C proto gen-buf-image
+
+# If proto/buf.image.bin has been modified locally, then we have changes to
+# commit, and the status check returns a 1 and fails. Otherwise, it returns a 0
+# and succeeds.
+git diff --exit-code -- proto/buf.image.bin
+exit $?