git alias to update current repository password in osxkeychain

.gitconfig

# ...
[alias]
  # ...
  echo-remote-proto-and-host = "!f(){ REMOTE=origin; git remote -v | grep $REMOTE | head -n1 | sed -E \"s/^$REMOTE\\t+([a-z]+):\\/\\/([^\\/]+).*/protocol=\\1\\nhost=\\2/\";};f"
  clear-credentials = "!f(){ git echo-remote-proto-and-host | git credential-osxkeychain erase ;};f"
  get-credentials = "!f(){ git echo-remote-proto-and-host | git credential-osxkeychain get ;};f"
  update-password = "!f(){ (git echo-remote-proto-and-host; git get-credentials) | sed \"s/password=.*/password=$1/\" | git credential-osxkeychain store ;};f"

# Usage:
#.  Copy your new password in clipboard
#   git update-password $(pbpaste)