flake-edit 0.3.4

Edit your flake inputs with ease.
Documentation 
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use thiserror::Error;

use crate::validate::ValidationError;
use crate::walk::WalkerError;

#[derive(Debug, Error)]
pub enum FlakeEditError {
    #[error("IoError: {0}")]
    Io(#[from] std::io::Error),
    #[error(transparent)]
    Walker(#[from] WalkerError),
    #[error("Lock file missing root node")]
    LockMissingRoot,
    #[error("There is an error in the Lockfile: {0}")]
    LockError(String),
    #[error("Deserialization Error: {0}")]
    Serde(#[from] serde_json::Error),
    #[error(
        "Input '{0}' already exists in the flake.\n\nTo replace it:\n  1. Remove it first: flake-edit remove {0}\n  2. Then add it again: flake-edit add {0} <flakeref>\n\nOr add it with a different [ID]:\n  flake-edit add [ID] <flakeref>\n\nTo see all current inputs: flake-edit list"
    )]
    DuplicateInput(String),
    #[error(
        "Input '{0}' not found in the flake.\n\nTo add it:\n  flake-edit add {0} <flakeref>\n\nTo see all current inputs: flake-edit list"
    )]
    InputNotFound(String),
    #[error("Validation error in flake.nix:\n{}", format_validation_errors(.0))]
    Validation(Vec<ValidationError>),
}

fn format_validation_errors(errors: &[ValidationError]) -> String {
    errors
        .iter()
        .map(|e| format!("  - {}", e))
        .collect::<Vec<_>>()
        .join("\n")
}