golangci-lint: add gci

Signed-off-by: Dr. Stefan Schimanski <stefan.schimanski@gmail.com>

Author: sttts

.golangci.yml

@@ -12,6 +12,7 @@ linters:
     - errchkjson
     - errorlint
     - exhaustive
+    - gci
     - ginkgolinter
     - goconst
     - gocritic
@@ -45,6 +46,17 @@ linters-settings:
     disable:
       - fieldalignment
       - shadow
+  gci:
+    custom-order: true
+    skip-generated: true
+    sections:
+    - standard
+    - default
+    - prefix(k8s.io)
+    - prefix(sigs.k8s.io/controller-runtime)
+    - prefix(github.com/multicluster-runtime)
+    - blank
+    - dot
   importas:
     no-unaliased: true
     alias:

Makefile

@@ -183,3 +183,13 @@ verify-apidiff: $(GO_APIDIFF) ## Check for API differences
 
 go-version: ## Print the go version we use to compile our binaries and images
 	@echo $(GO_VERSION)
+
+WHAT ?=
+imports:
+	@if [ -n "$(WHAT)" ]; then \
+		$(GOLANGCI_LINT) run --enable-only=gci --fix --fast $(WHAT); \
+	else \
+	  for MOD in . $$(git ls-files '**/go.mod' | sed 's,/go.mod,,'); do \
+		(cd $$MOD; $(GOLANGCI_LINT) run --enable-only=gci --fix --fast); \
+	  done; \
+	fi