Add --justfile and --working-directory flags
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14
notes
14
notes
@ -14,6 +14,11 @@ notes
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- just ../foo # ../justfile:foo
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- just xyz/foo # xyz/justfile:foo
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- just xyz/ # xyz/justfile:DEFAULT
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- assignment
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. export environment variables
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. no barewords
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- indentation is line continuation
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- static errors when variables are missing {{}}, even if recipe isn't run
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- change name back to 'just'
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. suggest j as alias
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@ -35,6 +40,7 @@ notes
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. habit of using clever commands and writing little scripts
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. very low friction to write a script (no new file, chmod, add to rcs)
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. make list of contributors, include travis
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. alias .j='just -j ~/.justfile -d ~'
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- vim and emacs syntax hilighting (use makefile syntax hilighting for now)
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- split up code into modules for easier reading
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. parsing
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@ -48,11 +54,6 @@ notes
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. r/rust
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later:
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- indentation is line continuation
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- assignment
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. export environment variables
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. no barewords
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- static errors when variables are missing {{}}, even if recipe isn't run
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- preludes:
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may be nice to allow all recipes in a given langauge to share
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functions, variables, etc. could have a "prelude" recipe
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@ -60,8 +61,5 @@ later:
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- windows support: currently calling 'sh', which won't work on windows
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the answer will probably be to write a 'sh' clone and to only
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call binaries from cargo
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- allow specifying justfile on command line with --justfile/-j
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and dir with --directory/-d, so i can do:
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alias .j='just -j ~/.justfile -d ~'
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- run recipes asyncronously
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- lint with clippy once it runs on stable
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35
src/app.rs
35
src/app.rs
@ -32,12 +32,42 @@ pub fn app() {
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.short("s")
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.long("show")
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.takes_value(true)
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.help("Show information about a recipe"))
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.value_name("recipe")
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.help("Show information about <recipe>"))
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.arg(Arg::with_name("working-directory")
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.long("working-directory")
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.takes_value(true)
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.help("Use <working-directory> as working directory. --justfile must also be set"))
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.arg(Arg::with_name("justfile")
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.long("justfile")
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.takes_value(true)
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.help("Use <justfile> as justfile. --working-directory must also be set"))
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.arg(Arg::with_name("recipe")
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.multiple(true)
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.help("recipe(s) to run, defaults to the first recipe in the justfile"))
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.get_matches();
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// it is not obvious to me what we should do if only one of --justfile and
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// --working-directory are passed. refuse to run in that case to avoid
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// suprises.
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if matches.is_present("justfile") ^ matches.is_present("working-directory") {
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die!("--justfile and --working-directory may only be used together");
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}
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let justfile_option = matches.value_of("justfile");
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let working_directory_option = matches.value_of("working-directory");
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let text;
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if let (Some(file), Some(directory)) = (justfile_option, working_directory_option) {
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text = fs::File::open(file)
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.unwrap_or_else(|error| die!("Error opening justfile: {}", error))
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.slurp()
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.unwrap_or_else(|error| die!("Error reading justfile: {}", error));
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if let Err(error) = env::set_current_dir(directory) {
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die!("Error changing directory to {}: {}", directory, error);
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}
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} else {
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loop {
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match fs::metadata("justfile") {
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Ok(metadata) => if metadata.is_file() { break; },
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@ -58,10 +88,11 @@ pub fn app() {
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}
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}
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let text = fs::File::open("justfile")
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text = fs::File::open("justfile")
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.unwrap_or_else(|error| die!("Error opening justfile: {}", error))
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.slurp()
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.unwrap_or_else(|error| die!("Error reading justfile: {}", error));
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}
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let justfile = super::parse(&text).unwrap_or_else(|error| die!("{}", error));
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