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denoland-deno/cli/args/lockfile.rs

47 lines
1.1 KiB
Rust

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
use std::path::PathBuf;
use deno_core::error::AnyError;
use crate::args::ConfigFile;
use crate::Flags;
use super::DenoSubcommand;
pub use deno_lockfile::Lockfile;
pub use deno_lockfile::LockfileError;
pub fn discover(
flags: &Flags,
maybe_config_file: Option<&ConfigFile>,
) -> Result<Option<Lockfile>, AnyError> {
if flags.no_lock
|| matches!(
flags.subcommand,
DenoSubcommand::Install(_) | DenoSubcommand::Uninstall(_)
)
{
return Ok(None);
}
let filename = match flags.lock {
Some(ref lock) => PathBuf::from(lock),
None => match maybe_config_file {
Some(config_file) => {
if config_file.specifier.scheme() == "file" {
match config_file.resolve_lockfile_path()? {
Some(path) => path,
None => return Ok(None),
}
} else {
return Ok(None);
}
}
None => return Ok(None),
},
};
let lockfile = Lockfile::new(filename, flags.lock_write)?;
Ok(Some(lockfile))
}