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with-connect crashes with a traceback when the command after -- doesn't exist #64
Description
If the command after -- doesn't exist, with-connect starts Connect and waits for it to be ready. Then it crashes with a Python traceback and exits with code 1. A typo in the command name is enough to cause this. Here it took about 30 seconds to fail.
$ python main.py --version latest --license ~/dev/connect/connect-license.lic --port 3941 --quiet -- rsconect deploy manifest .
Pulling image ghcr.io/posit-dev/connect:latest...
Successfully pulled ghcr.io/posit-dev/connect:latest
Waiting for port 3941 to open...
Waiting for HTTP server to start...
Running Posit Connect v2026.09.0
Traceback (most recent call last):
File ".../main.py", line 499, in <module>
sys.exit(main())
~~~~^^
File ".../main.py", line 373, in main
result = subprocess.run(args.command, check=True, env=env)
...(trimmed frames inside subprocess.py)...
FileNotFoundError: [Errno 2] No such file or directory: 'rsconect'
A shell exits with code 127 when it can't find a command. with-connect only handles a command that ran and failed, so a command that never starts is not handled. See main.py. The help text added in #63 says with-connect exits with the command's exit code, which isn't true here.
This is separate from #61. That issue is about errors the tool already catches.
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