forklaunch 1.15.0

Launch faster with forklaunch
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use std::{fs::exists, io::Write, path::PathBuf};

use anyhow::{Context, Result};
use termcolor::StandardStream;

use crate::core::symlinks::create_symlink_cross_platform;

#[derive(Debug)]
pub(crate) struct SymlinkTemplate {
    pub(crate) path: PathBuf,
    pub(crate) target: PathBuf,
}

pub(crate) fn create_symlinks(
    symlink_templates: &Vec<SymlinkTemplate>,
    dryrun: bool,
    stdout: &mut StandardStream,
) -> Result<()> {
    for symlink_template in symlink_templates {
        if !dryrun {
            if !exists(&symlink_template.target)? {
                let relative_path = pathdiff::diff_paths(
                    &symlink_template.path,
                    &symlink_template.target.parent().unwrap(),
                )
                .expect("Failed to compute relative path");
                create_symlink_cross_platform(relative_path.clone(), &symlink_template.target)
                    .with_context(|| {
                        format!(
                            "Failed to symlink {} to {}",
                            relative_path.display(),
                            symlink_template.target.display()
                        )
                    })?;
            }
        } else {
            let relative_path = pathdiff::diff_paths(
                &symlink_template.path,
                &symlink_template.target.parent().unwrap(),
            )
            .expect("Failed to compute relative path");
            writeln!(
                stdout,
                "Would symlink {} to {}",
                relative_path.display(),
                symlink_template.target.display()
            )?;
        }
    }
    Ok(())
}