.gitignore: clean up how 'test/bin' content is ignored

License: MIT
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>

.gitignore

@@ -9,5 +9,4 @@
 *.orig
 *~
 
-/test/bin
-.ipfs
\ No newline at end of file
+.ipfs

test/bin/.gitignore

+# Ignore everything in this directory by default
+/**
+
+# Do not ignore this file itself
+!.gitignore
+
+# Do not ignore the following special scripts
+!checkflags
+!continueyn
+!ipfs-pin-stat
+!verify-go-fmt.sh