Cannot bootstrap non-interactive with ssh and empty password key

[enekofb]

Cannot bootstrap non-interactive with ssh and empty password key

Current Behaviour

➜  weave-gitops-enterprise git:(3496-handle-wge-bootstrapped) ✗ go run cmd/gitops/main.go bootstrap --bootstrap-flux --components-extra=none --private-key=/Users/enekofb/.ssh/weaveworks/dev  --private-key-password="" --version="0.37.0" --git-username="$GITHUB_USER" --git-password="$GITHUB_TOKEN" \\n     --repo-url=https://github.com/enekofb/cli-dev.git --branch="main"  --repo-path=clusters/management

► creating client to cluster
✔ created client to cluster: https://127.0.0.1:62313/
► verifying flux installation
✔ flux is installed
► verifying flux reconciliation
✔ flux is bootstrapped
✔ detected git scheme: ssh
► Weave GitOps Enterprise is already installed in namespace flux-system
◎ bootstrap flux
◎ flux repository configuration
◎ git credentials
✔ private key password: █

Expected Behaviour

• Private key password used from flags

More info:

https://weaveworks.slack.com/archives/C05HC9R4DUG/p1702890948159969?thread_ts=1702463630.917539&cid=C05HC9R4DUG #3737

[enekofb]

the reason is that we dont have a clear distinction between the scenario where the user has not introduce value or empty as the string zero value is empty