[Bug] Infinite loop when just running sift with no input

Describe the bug
If you just run sift with no input, it hangs on the "Compiling" and/or "Waiting for test results..." stages, even if I press Ctrl+C in the terminal.

It appears that if I press Ctrl+C, it goes from the "Compiling" stage to the "Waiting for test results..." one, but doesn't go anywhere from that.

To Reproduce
Just run sift, with no piped input:

> sift

Expected behavior
The program should either not run or allow me to exit somehow, even if just by pressing CTRL+C.

Screenshots
This is a screen recording that should illustrate the behaviour:

Gravacao.de.Tela.2025-11-09.as.17.34.54.mov

Versions:

Go Version: 1.25.0
CLI Version: 0.12.1

Additional context
I'm running MacOS, and would be open to open a PR to handle SIGINT in the code.

Thanks for raising, I'll take a look!

@timtatt

Hi @timtatt , sounds good!

If that's of any help, I created a PR that attempts to fix it. I did some local testing and it does seem to work, but it requires a few presses at CTRL+C or holding it for a couple seconds, for some reason. But I guess that's better than nothing 😅

Here it is: #39

Thanks for the PR, I'm thinking of splitting 'q' from ctrl+c.

Ctrl+c will be an immediate exit from interactive mode also where q will just go to inline mode.

Let me play around with the experience here and see how we go!

not sure if related, without tests, also gets stuck:

$ go test -v -json

{"Time":"2025-11-16T22:17:20.690021283Z","Action":"start","Package":"foobar"}
{"Time":"2025-11-16T22:17:20.690090003Z","Action":"output","Package":"foobar","Output":"?   \tfoobar\t[no test files]\n"}
{"Time":"2025-11-16T22:17:20.690097123Z","Action":"skip","Package":"foobar","Elapsed":0}

and

$ go test -v -json | sift

 ∇ sift  v0.12.1
 ⣻ Compiling

# stuck here forever

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[Bug] Infinite loop when just running `sift` with no input #37

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[Bug] Infinite loop when just running sift with no input #37

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timtatt commented on Nov 12, 2025

GCrispino commented on Nov 13, 2025

timtatt commented on Nov 13, 2025

jpillora commented on Nov 16, 2025

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[Bug] Infinite loop when just running `sift` with no input #37