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# Description This adds three engine calls: `GetEnvVar`, `GetEnvVars`, for getting environment variables from the plugin command context, and `GetCurrentDir` for getting the current working directory. Plugins are now launched in the directory of their executable to try to make improper use of the current directory without first setting it more obvious. Plugins previously launched in whatever the current directory of the engine was at the time the plugin command was run, but switching to persistent plugins broke this, because they stay in whatever directory they launched in initially. This also fixes the `gstat` plugin to use `get_current_dir()` to determine its repo location, which was directly affected by this problem. # User-Facing Changes - Adds new engine calls (`GetEnvVar`, `GetEnvVars`, `GetCurrentDir`) - Runs plugins in a different directory from before, in order to catch bugs - Plugins will have to use the new engine calls if they do filesystem stuff to work properly # Tests + Formatting - 🟢 `toolkit fmt` - 🟢 `toolkit clippy` - 🟢 `toolkit test` - 🟢 `toolkit test stdlib` # After Submitting - [ ] Document the working directory behavior on plugin launch - [ ] Document the new engine calls + response type (`ValueMap`) |
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Plugin Example
Crate with a simple example of the Plugin trait that needs to be implemented in order to create a binary that can be registered into nushell declaration list
example config
This subcommand demonstrates sending configuration from the nushell $env.config to a plugin.
To register from after building nushell run:
register target/debug/nu_plugin_example
The configuration for the plugin lives in $env.config.plugins.example:
$env.config = {
plugins: {
example: [
some
values
]
}
}
To list plugin values run:
nu-example-config