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#![warn(
unsafe_code,
unused_crate_dependencies,
variant_size_differences,
clippy::pedantic,
clippy::cargo,
clippy::nursery,
clippy::missing_docs_in_private_items,
clippy::str_to_string,
clippy::pattern_type_mismatch,
clippy::unwrap_used,
clippy::indexing_slicing,
clippy::panic_in_result_fn,
clippy::integer_arithmetic,
clippy::panic,
clippy::unwrap_in_result,
clippy::clone_on_ref_ptr,
clippy::unreachable,
clippy::todo
)]
#![allow(clippy::non_ascii_literal)]
use std::env::current_dir;
use std::fs::metadata;
use std::io::stdin;
use std::path::PathBuf;
use anyhow::bail;
mod args;
mod makefile;
use args::Args;
use makefile::Makefile;
fn main() -> anyhow::Result<()> {
let mut args = Args::from_env_and_args();
// If no makefile is specified, try some options.
if args.makefile.is_empty() {
args.makefile = vec![if metadata("./makefile").is_ok() {
"./makefile".into()
} else if metadata("./Makefile").is_ok() {
"./Makefile".into()
} else {
bail!(
"no makefile specified and neither {} nor {} was found.",
current_dir().map_or_else(
|_| "./makefile".to_string(),
|path| path.join("makefile").display().to_string()
),
current_dir().map_or_else(
|_| "./Makefile".to_string(),
|path| path.join("Makefile").display().to_string()
),
);
}];
}
// Read in the makefile(s) specified.
// TODO dump command-line args into MAKEFLAGS
// TODO dump command-line macros into environment
// TODO add SHELL macro
let mut makefile = Makefile::new(&args);
for filename in &args.makefile {
if filename == &PathBuf::from("-") {
makefile.and_read(stdin().lock())?;
} else {
makefile.and_read_file(filename)?;
};
}
if args.print_everything {
println!("{}", &makefile);
}
let targets = if args.targets().count() == 0 {
let first_target = makefile.first_non_special_target.clone();
match first_target {
Some(x) => vec![x],
None => bail!("no targets given on command line or found in makefile."),
}
} else {
args.targets().cloned().collect()
};
for target in targets {
makefile.update_target(&target)?;
}
Ok(())
}
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