fix make install-shellcheck on macOS (#378)

Author: majewsky

Makefile

@@ -46,7 +46,7 @@ install-modernize: FORCE
 	@if ! hash modernize 2>/dev/null; then printf "\e[1;36m>> Installing modernize (this may take a while)...\e[0m\n"; go install golang.org/x/tools/gopls/internal/analysis/modernize/cmd/modernize@latest; fi
 
 install-shellcheck: FORCE
-	@if ! hash shellcheck 2>/dev/null; then printf "\e[1;36m>> Installing shellcheck...\e[0m\n"; SHELLCHECK_ARCH=$(shell uname -m); SHELLCHECK_OS=$(shell uname -s | tr '[:upper:]' '[:lower:]'); if [[ "$$SHELLCHECK_OS" == "darwin" ]]; then SHELLCHECK_OS=macos; fi; SHELLCHECK_VERSION="stable"; if command -v curl >/dev/null 2>&1; then GET="curl -sLo-"; elif command -v wget >/dev/null 2>&1; then GET="wget -O-"; else echo "Didn't find curl or wget to download shellcheck"; exit 2; fi; $$GET "https://github.com/koalaman/shellcheck/releases/download/$$SHELLCHECK_VERSION/shellcheck-$$SHELLCHECK_VERSION.$$SHELLCHECK_OS.$$SHELLCHECK_ARCH.tar.xz" | tar -Jxf -; BIN=$$(go env GOBIN); if [[ -z $$BIN ]]; then BIN=$$(go env GOPATH)/bin; fi; install -Dm755 shellcheck-$$SHELLCHECK_VERSION/shellcheck -t "$$BIN"; rm -rf shellcheck-$$SHELLCHECK_VERSION; fi
+	@if ! hash shellcheck 2>/dev/null; then printf "\e[1;36m>> Installing shellcheck...\e[0m\n"; SHELLCHECK_ARCH=$(shell uname -m); if [[ "$$SHELLCHECK_ARCH" == "arm64" ]]; then SHELLCHECK_ARCH=aarch64; fi; SHELLCHECK_OS=$(shell uname -s | tr '[:upper:]' '[:lower:]'); SHELLCHECK_VERSION="stable"; if command -v curl >/dev/null 2>&1; then GET="curl -sLo-"; elif command -v wget >/dev/null 2>&1; then GET="wget -O-"; else echo "Didn't find curl or wget to download shellcheck"; exit 2; fi; $$GET "https://github.com/koalaman/shellcheck/releases/download/$$SHELLCHECK_VERSION/shellcheck-$$SHELLCHECK_VERSION.$$SHELLCHECK_OS.$$SHELLCHECK_ARCH.tar.xz" | tar -Jxf -; BIN=$$(go env GOBIN); if [[ -z $$BIN ]]; then BIN=$$(go env GOPATH)/bin; fi; install -Dm755 shellcheck-$$SHELLCHECK_VERSION/shellcheck -t "$$BIN"; rm -rf shellcheck-$$SHELLCHECK_VERSION; fi
 
 install-go-licence-detector: FORCE
 	@if ! hash go-licence-detector 2>/dev/null; then printf "\e[1;36m>> Installing go-licence-detector (this may take a while)...\e[0m\n"; go install go.elastic.co/go-licence-detector@latest; fi

internal/makefile/makefile.go

@@ -126,8 +126,8 @@ endif
 				`@if ! hash shellcheck 2>/dev/null; then` +
 					` printf "\e[1;36m>> Installing shellcheck...\e[0m\n";` +
 					` SHELLCHECK_ARCH=$(shell uname -m);` +
+					` if [[ "$$SHELLCHECK_ARCH" == "arm64" ]]; then SHELLCHECK_ARCH=aarch64; fi;` +
 					` SHELLCHECK_OS=$(shell uname -s | tr '[:upper:]' '[:lower:]');` +
-					` if [[ "$$SHELLCHECK_OS" == "darwin" ]]; then SHELLCHECK_OS=macos; fi;` +
 					` SHELLCHECK_VERSION="stable";` +
 					` if command -v curl >/dev/null 2>&1; then GET="curl -sLo-"; elif command -v wget >/dev/null 2>&1; then GET="wget -O-"; else echo "Didn't find curl or wget to download shellcheck"; exit 2; fi;` +
 					` $$GET "https://github.com/koalaman/shellcheck/releases/download/$$SHELLCHECK_VERSION/shellcheck-$$SHELLCHECK_VERSION.$$SHELLCHECK_OS.$$SHELLCHECK_ARCH.tar.xz" | tar -Jxf -;` +