85 lines
1.8 KiB
Rust
85 lines
1.8 KiB
Rust
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use std::io::prelude::*;
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fn can(command: &str) -> bool {
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if let Ok(paths) = std::env::var("PATH") {
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for path in paths.split(":") {
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let candidate = format!("{}/{}", path, command);
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if isfile(&candidate) {
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return true;
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}
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}
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}
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false
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}
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fn isfile(path: &str) -> bool {
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if let Ok(metadata) = std::fs::metadata(path) {
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metadata.is_file()
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} else {
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false
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}
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}
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fn cwd() -> String {
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match std::env::current_dir() {
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Ok(pathbuf) => pathbuf.to_str().unwrap_or_else(|| panic!("cwd: cwd was not a valid utf8 string")).to_string(),
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Err(err) => panic!("cwd: {}", err),
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}
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}
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fn cd(path: &str) {
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if let Err(err) = std::env::set_current_dir(path) {
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panic!("cd: {}", err)
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}
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}
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fn say(s: &str) {
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println!("{}", s)
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}
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fn warn(s: &str) {
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if let Err(err) = std::io::stderr().write(s.as_bytes()) {
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panic!("warn: could not write to stderr: {}", err);
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}
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if let Err(err) = std::io::stderr().write("\n".as_bytes()) {
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panic!("warn: could not write to stderr: {}", err);
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}
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}
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fn die(s: &str) {
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warn(s);
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std::process::exit(-1);
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}
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fn main() {
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let can_make = can("make");
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let can_gmake = can("gmake");
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if !(can_make || can_gmake) {
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die("cannot find \"make\" or \"gmake\" in $PATH");
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}
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println!("can make: {}", can_make);
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println!("can gmake: {}", can_gmake);
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loop {
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if isfile("justfile") {
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break;
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}
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if cwd() == "/" {
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die("No justfile found.")
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}
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cd("..");
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}
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let recipes: Vec<String> = std::env::args().skip(1).take_while(|arg| arg != "--").collect();
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let arguments: Vec<String> = std::env::args().skip(1 + recipes.len() + 1).collect();
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print!("{:?}", recipes);
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print!("{:?}", arguments);
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// export as $ARG0 -> ARGX
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// start at 0 or 1?
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// exec $MAKE MAKEFLAGS='' --always-make --no-print-directory -f justfile ${RECIPES[*]}
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}
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