feat(cli): stdin support for --password / --url / --ssh-password (closes #158)#240
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#158) Add --password-stdin, --url-stdin, and --ssh-password-stdin opt-in flags so secrets can be piped in instead of passed on argv, where they'd be visible to other users via ps / /proc/<pid>/cmdline. Mutex with the existing cleartext flags; only one --*-stdin per invocation (stdin is a single stream).
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Closes #158.
Passing
--password fooor a URL with embedded creds on the CLI exposes the secret to anyone who canpsor read/proc/<pid>/cmdline. This adds opt-in stdin variants so callers can pipe secrets in instead:--password-stdin(top-level,connect <provider>,connections add <provider>,connections edit)--url-stdin(connections add)--ssh-password-stdin(per-provider +connections edit)Reads one line, strips the trailing newline (handles
\r\ntoo), refuses a TTY stdin, errors on EOF. Mutex with the cleartext flag and with each other (stdin is a single stream).Example:
The existing
--passwordetc. are unchanged — these flags are purely additive.