mirror of
https://github.com/nushell/nushell.git
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ac578b8491
* Begin allowing comments and multiline scripts. * clippy * Finish moving to groups. Test pass * Keep going * WIP * WIP * BROKEN WIP * WIP * WIP * Fix more tests * WIP: alias starts working * Broken WIP * Broken WIP * Variables begin to work * captures start working * A little better but needs fixed scope * Shorthand env setting * Update main merge * Broken WIP * WIP * custom command parsing * Custom commands start working * Fix coloring and parsing of block * Almost there * Add some tests * Add more param types * Bump version * Fix benchmark * Fix stuff
88 lines
3.0 KiB
Rust
88 lines
3.0 KiB
Rust
use crate::commands::WholeStreamCommand;
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use crate::prelude::*;
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use nu_errors::ShellError;
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use nu_protocol::{ReturnSuccess, Signature, UntaggedValue};
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use serde::Deserialize;
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use serde::Serialize;
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use sha2::{Digest, Sha256};
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use std::io::Read;
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use std::path::PathBuf;
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pub struct Autoenv;
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#[derive(Deserialize, Serialize, Debug, Default)]
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pub struct Trusted {
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pub files: IndexMap<String, Vec<u8>>,
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}
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impl Trusted {
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pub fn new() -> Self {
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Trusted {
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files: IndexMap::new(),
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}
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}
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}
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pub fn file_is_trusted(nu_env_file: &PathBuf, content: &[u8]) -> Result<bool, ShellError> {
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let contentdigest = Sha256::digest(&content).as_slice().to_vec();
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let nufile = std::fs::canonicalize(nu_env_file)?;
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let trusted = read_trusted()?;
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Ok(trusted.files.get(&nufile.to_string_lossy().to_string()) == Some(&contentdigest))
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}
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pub fn read_trusted() -> Result<Trusted, ShellError> {
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let config_path = config::default_path_for(&Some(PathBuf::from("nu-env.toml")))?;
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let mut file = std::fs::OpenOptions::new()
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.read(true)
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.create(true)
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.write(true)
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.open(config_path)
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.map_err(|_| ShellError::untagged_runtime_error("Couldn't open nu-env.toml"))?;
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let mut doc = String::new();
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file.read_to_string(&mut doc)?;
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let allowed = toml::de::from_str(doc.as_str()).unwrap_or_else(|_| Trusted::new());
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Ok(allowed)
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}
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#[async_trait]
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impl WholeStreamCommand for Autoenv {
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fn name(&self) -> &str {
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"autoenv"
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}
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fn usage(&self) -> &str {
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// "Mark a .nu-env file in a directory as trusted. Needs to be re-run after each change to the file or its filepath."
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r#"Manage directory specific environment variables and scripts. Create a file called .nu-env in any directory and run 'autoenv trust' to let nushell read it when entering the directory.
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The file can contain several optional sections:
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env: environment variables to set when visiting the directory. The variables are unset after leaving the directory and any overwritten values are restored.
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scriptvars: environment variables that should be set to the return value of a script. After they have been set, they behave in the same way as variables set in the env section.
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scripts: scripts to run when entering the directory or leaving it."#
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}
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fn signature(&self) -> Signature {
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Signature::build("autoenv")
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}
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async fn run(&self, args: CommandArgs) -> Result<OutputStream, ShellError> {
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Ok(OutputStream::one(ReturnSuccess::value(
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UntaggedValue::string(crate::commands::help::get_help(&Autoenv, &args.scope))
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.into_value(Tag::unknown()),
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)))
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}
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fn examples(&self) -> Vec<Example> {
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vec![Example {
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description: "Example .nu-env file",
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example: r#"cat .nu-env
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[env]
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mykey = "myvalue"
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[scriptvars]
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myscript = "echo myval"
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[scripts]
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entryscripts = ["touch hello.txt", "touch hello2.txt"]
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exitscripts = ["touch bye.txt"]"#,
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result: None,
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}]
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}
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}
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