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use crate::{cli::init::Command as InitCommand, ops::forc_init::init};
use anyhow::{anyhow, bail, Result};
use clap::Parser;
use forc_util::validate_name;
use std::path::{Path, PathBuf};
/// Create a new Forc project at `<path>`.
#[derive(Debug, Parser)]
pub struct Command {
/// The default program type. Excluding all flags or adding this flag creates a basic contract
/// program.
#[clap(long)]
pub contract: bool,
/// Adding this flag creates an empty script program.
#[clap(long)]
pub script: bool,
/// Adding this flag creates an empty predicate program.
#[clap(long)]
pub predicate: bool,
/// Adding this flag creates an empty library program.
#[clap(long)]
pub library: bool,
/// Adding this flag creates an empty workspace.
#[clap(long)]
pub workspace: bool,
/// Set the package name. Defaults to the directory name
#[clap(long)]
pub name: Option<String>,
/// The path at which the project directory will be created.
pub path: String,
}
pub(crate) fn exec(command: Command) -> Result<()> {
// `forc new` is roughly short-hand for `forc init`, but we create the directory first if it
// doesn't yet exist. Here we create the directory if it doesn't exist then re-use the existing
// `forc init` logic.
let Command {
contract,
script,
predicate,
library,
workspace,
name,
path,
} = command;
match &name {
Some(name) => validate_name(name, "project name")?,
None => {
// If there is no name specified for the project, the last component of the `path` (directory name)
// will be used by default so we should also check that.
let project_path = PathBuf::from(&path);
let directory_name = project_path
.file_name()
.ok_or_else(|| anyhow!("missing path for new command"))?
.to_string_lossy();
validate_name(&directory_name, "project_name")?;
}
}
let dir_path = Path::new(&path);
if dir_path.exists() {
bail!(
"Directory \"{}\" already exists.\nIf you wish to initialise a forc project inside \
this directory, consider using `forc init --path {}`",
dir_path.canonicalize()?.display(),
dir_path.display(),
);
} else {
std::fs::create_dir_all(dir_path)?;
}
let init_cmd = InitCommand {
path: Some(path),
contract,
script,
predicate,
library,
workspace,
name,
};
init(init_cmd)
}