diff --git a/.gitignore b/.gitignore
index 50d2a9b..c643732 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
+# ignore sed backup files
+*-r
+*-e
+
 _obj/
 *_testmain.go
 clientid.dat
@@ -9,4 +13,4 @@
 *~
 *.out
 *.test
-*.exe
+*.exe
\ No newline at end of file
diff --git a/google-api-go-generator/Makefile b/google-api-go-generator/Makefile
index 32fd5bb..029beb9 100644
--- a/google-api-go-generator/Makefile
+++ b/google-api-go-generator/Makefile
@@ -7,10 +7,9 @@
 
 # Download all API specifications and rebuild Go bindings.
 # All downloaded files are cached in $TMPDIR for reuse with 'cached' below.
+all: SHELL:=/bin/bash
 all: $(GENERATOR)
-	cd ../internal/version
-	go generate
-	cd -
+	cd ../internal/version; go generate
 	$(GENERATOR) -cache=false -install -api=* -gendir=..
 	go test . -v