Adds editorconfig + pre-commit (#403)

.editorconfig

@@ -0,0 +1,16 @@
+# http://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.go]
+indent_style = tab
+
+[*.yaml]
+indent_style = space
+indent_size = 2

.github/pre-commit

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+# Check linting and unit tests before commiting
+# if linting failes the commit will be aborted and the linting will start auto fixing
+# if unit tests fail the commit will be aborted
+
+# Linting
+
+echo Shell: $SHELL
+
+## this will retrieve all of the .go files that have been
+## changed since the last commit
+STAGED_GO_FILES=$(git diff --cached --name-only -- '*.go')
+
+## we can check to see if this is empty
+if [[ $STAGED_GO_FILES == "" ]]; then
+    echo "No Go Files to Update"
+    exit 0
+## otherwise we can do stuff with these changed go files
+else
+    for file in $STAGED_GO_FILES; do
+        gofmt -w $file
+        goimports -w $file
+        gci -w $file
+        ## add any potential changes from our formatting to the
+        ## commit
+        git add $file
+    done
+fi
+
+golangci-lint run --build-tags integration,containers_image_storage_stub
+res=$?
+if [[ $res -ne 0 ]]; then
+    echo "Linting failed"
+    exit 2
+fi
+​
+# Unit tests
+​
+#exec < /dev/tty
+#read -p "Run unit tests[y/n]? " -n 1 -r
+#exec <&-
+REPLY=y
+​
+if [[ $REPLY =~ ^[Yy]$ ]]; then
+    echo "Run unit tests..."
+    go test ./...
+    res=$?
+    if [[ $res -ne 0 ]]; then
+        echo "Unit test failed"
+        exit 2
+    fi
+fi
+echo

Makefile

@@ -213,3 +213,10 @@ bundle-minimal: bundle
 .PHONY: bundle-build
 bundle-build:
 	docker build -f bundle.Dockerfile -t $(BUNDLE_IMG) .
+
+setup-pre-commit:
+	$(info WARNING Make sure that golangci-lint is installed, for more info see https://golangci-lint.run/usage/install/")
+	GO111MODULE=off go get github.com/daixiang0/gci
+	GO111MODULE=off go get golang.org/x/tools/cmd/goimports
+	cp ./.github/pre-commit ./.git/hooks/pre-commit
+	chmod +x ./.git/hooks/pre-commit