add git init hooks to makefile

Signed-off-by: Sam Heilbron <[email protected]>

rename hook

Signed-off-by: Sam Heilbron <[email protected]>

executable

Signed-off-by: Sam Heilbron <[email protected]>

Author: sam-heilbron

.githooks/prepare-commit-msg.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# This script automatically adds a Signed-off-by trailer to each commit message, so that your commits
+# will adhere to the DCO (Developer Certificate of Origin) requirements.
+# To use, run `make init-git-hooks` or copy this file to .git/hooks/prepare-commit-msg in your copy of the repo.
+
+NAME=$(git config user.name)
+EMAIL=$(git config user.email)
+
+if [ -z "$NAME" ]; then
+    echo "empty git config user.name"
+    exit 1
+fi
+
+if [ -z "$EMAIL" ]; then
+    echo "empty git config user.email"
+    exit 1
+fi
+
+git interpret-trailers --if-exists doNothing --trailer \
+    "Signed-off-by: $NAME <$EMAIL>" \
+    --in-place "$1"

Makefile

@@ -70,6 +70,12 @@ all: build
 help: ## Display this help.
 	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
 
+##@ Git
+
+.PHONY: init-git-hooks
+init-git-hooks:  ## Use the tracked version of Git hooks from this repo
+	git config core.hooksPath .githooks
+
 ##@ Development
 
 .PHONY: manifests