chore: improve pre-commit

Signed-off-by: Carlos Alexandro Becker <caarlos0@gmail.com>

Makefile

@@ -9,7 +9,7 @@ export GOPROXY = https://proxy.golang.org,direct
 
 # Setup pre-commit hooks
 dev:
-	ln -sf ./scripts/pre-commit.sh .git/hooks/pre-commit
+	cp -f scripts/pre-commit.sh .git/hooks/pre-commit
 .PHONY: dev
 
 # Install dependencies

scripts/pre-commit.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
-FILES=$(git diff --staged --diff-filter=AM --no-renames --name-only)
+FILES=$(git diff --cached --name-only --diff-filter=ACMR)
 
-gofumpt -s -l -w $FILES
+gofumpt -s -l -w .
 golangci-lint run --new --fix
 
 git add $FILES