"--watch not supported without git/hg" when running with no pattern

[alexgurr]

Do you want to request a feature or report a bug?
bug

What is the current behavior?
Run tests with 'watchAll', hit 'p' to enter a pattern, hit 'return' with no pattern, get error and exit: "--watch is not supported without git/hg, please use --watchAll"

If the current behavior is a bug, please provide the steps to reproduce and
either a repl.it demo through https://repl.it/languages/jest or a minimal
repository on GitHub that we can yarn install and yarn test.
Make sure there is not git/hg file. Load any tests in watchAll mode with watchman. Same steps as above.

What is the expected behavior?
As per Jest v20, should re-run all tests with original command (watchAll).

Please provide your exact Jest configuration and mention your Jest, node,
yarn/npm version and operating system.

Jest: 22.4.2
Node: 8.9
Yarn: 1.3.2
MacOS

[rickhanlonii]

Hey @alexgurr, thanks for using Jest. We do not support watch mode outside of git/hg

See #5049 and #5060

[alexgurr]

I thought watchAll was for projects outside of git/hg?

[rickhanlonii]

Ah sorry, misread!

Is this a dupe of #5551 then?

[alexgurr]

Yes it is, mine isn't running in docker though. Probably why I couldn't find that issue when I searched.

[yasser17]

you need execute git init. Works for me

[noenif]

you need execute git init. Works for me
He was right

[kerren]

For me, the git init command didn't work because I was running this inside a Docker container. The answer in this post https://stackoverflow.com/questions/60768371/running-jest-in-watch-mode-in-a-docker-container-in-a-subdirectory-of-git-root got it working. I had to set the GIT_WORK_TREE and GIT_DIR environment variables to get it working.

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