wmf-update-ssh-config: Add functionality to write specific file

I have tried to make this as simple as possible.

Change-Id: Ic4b52f5fec62de917f9a57db2f466615d2c22609
1 file changed
tree: df6a0e10d2a4b1e8fa44f8ea12ad4bb2fdb85f7c
  1. configs/
  2. debian/
  3. docs/
  4. scripts/
  5. .gitreview