Only run $env.PROMPT_COMMAND once per prompt (copy of #10986) #11366
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Tested this. Looks good. Let's go with this since it fixes the problem I identified. Hopefully we're done with this now. Thanks @ysthakur!! |
dmatos2012
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Feb 20, 2024
…ushell#11366) <!-- if this PR closes one or more issues, you can automatically link the PR with them by using one of the [*linking keywords*](https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue#linking-a-pull-request-to-an-issue-using-a-keyword), e.g. - this PR should close #xxxx - fixes #xxxx you can also mention related issues, PRs or discussions! --> # Description <!-- Thank you for improving Nushell. Please, check our [contributing guide](../CONTRIBUTING.md) and talk to the core team before making major changes. Description of your pull request goes here. **Provide examples and/or screenshots** if your changes affect the user experience. --> This PR is basically a copy of nushell#10986 by @CAD97, which made `$env.PROMPT_COMMAND` only run once per prompt, but @fdncred found an issue where hitting Enter would make the transient prompt appear and be immediately overwritten by the regular prompt, so it was [reverted](nushell#11340). nushell#10788 was also made to do the same thing as nushell#10986 but that ended up having the same issue. For some reason, this branch doesn't have that problem, although I haven't figured out why yet. @CAD97, if you have any inputs or want to make your own PR, let me know. # User-Facing Changes <!-- List of all changes that impact the user experience here. This helps us keep track of breaking changes. --> When hitting enter, the prompt shouldn't blink in place anymore. # Tests + Formatting <!-- Don't forget to add tests that cover your changes. Make sure you've run and fixed any issues with these commands: - `cargo fmt --all -- --check` to check standard code formatting (`cargo fmt --all` applies these changes) - `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass (on Windows make sure to [enable developer mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging)) - `cargo run -- -c "use std testing; testing run-tests --path crates/nu-std"` to run the tests for the standard library > **Note** > from `nushell` you can also use the `toolkit` as follows > ```bash > use toolkit.nu # or use an `env_change` hook to activate it automatically > toolkit check pr > ``` --> # After Submitting <!-- If your PR had any user-facing changes, update [the documentation](https://github.com/nushell/nushell.github.io) after the PR is merged, if necessary. This will help us keep the docs up to date. -->
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Description
This PR is basically a copy of #10986 by @CAD97, which made
$env.PROMPT_COMMANDonly run once per prompt, but @fdncred found an issue where hitting Enter would make the transient prompt appear and be immediately overwritten by the regular prompt, so it was reverted. #10788 was also made to do the same thing as #10986 but that ended up having the same issue. For some reason, this branch doesn't have that problem, although I haven't figured out why yet.@CAD97, if you have any inputs or want to make your own PR, let me know.
User-Facing Changes
When hitting enter, the prompt shouldn't blink in place anymore.
Tests + Formatting
After Submitting