From 1dbc7653904e9094faeeb0b8745c73ba325571c7 Mon Sep 17 00:00:00 2001 From: Casey Rodarmor Date: Fri, 13 Mar 2020 22:19:43 -0700 Subject: [PATCH] Add `--variables` subcommand that prints variable names (#608) Add a subcommand that prints out a space-separated list of the names of top-level variables in the justfile. The syntax is: $ just --variables a b c This can be used for any purpose, but is mostly intended for completion scripts, so that they can get the names of variables without using `--evaluate`. Additionally: - Add `bin/generate-completions` script to regenerate checked-in completions - Update dependencies - Regenerate checked-in completions --- .github/workflows/main.yaml | 5 +- Cargo.lock | 155 +++++++++++++++++------------------- bin/generate-completions | 8 ++ completions/just.bash | 2 +- completions/just.elvish | 1 + completions/just.fish | 1 + completions/just.powershell | 1 + completions/just.zsh | 1 + justfile | 3 + src/config.rs | 49 +++++++++++- src/subcommand.rs | 1 + tests/integration.rs | 12 +++ 12 files changed, 148 insertions(+), 91 deletions(-) create mode 100755 bin/generate-completions diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml index 262c0b4..4f80a08 100644 --- a/.github/workflows/main.yaml +++ b/.github/workflows/main.yaml @@ -61,10 +61,7 @@ jobs: - name: Completion Scripts if: matrix.os != 'windows-latest' run: | - for script in completions/*; do - shell=${script##*.} - cargo run -- --completions $shell > $script - done + ./bin/generate-completions git diff --no-ext-diff --quiet --exit-code - name: Package id: package diff --git a/Cargo.lock b/Cargo.lock index fa7a445..b050bbe 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -2,10 +2,10 @@ # It is not intended for manual editing. [[package]] name = "aho-corasick" -version = "0.7.8" +version = "0.7.10" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)", + "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] @@ -29,29 +29,29 @@ name = "atty" version = "0.2.14" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "hermit-abi 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)", - "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)", + "hermit-abi 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)", + "libc 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)", "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] name = "backtrace" -version = "0.3.43" +version = "0.3.45" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "backtrace-sys 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)", + "backtrace-sys 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)", "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)", - "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)", + "libc 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)", "rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] name = "backtrace-sys" -version = "0.1.32" +version = "0.1.34" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)", - "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)", + "libc 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] @@ -59,14 +59,6 @@ name = "bitflags" version = "1.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" -[[package]] -name = "c2-chacha" -version = 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... " + opts=" -q -v -e -l -h -V -f -d -s --dry-run --highlight --no-highlight --quiet --clear-shell-args --verbose --dump --edit --evaluate --init --list --summary --variables --help --version --color --justfile --set --shell --shell-arg --working-directory --completions --show ... " if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 diff --git a/completions/just.elvish b/completions/just.elvish index 68089cf..90f9b03 100644 --- a/completions/just.elvish +++ b/completions/just.elvish @@ -42,6 +42,7 @@ edit:completion:arg-completer[just] = [@words]{ cand -l 'List available recipes and their arguments' cand --list 'List available recipes and their arguments' cand --summary 'List names of available recipes' + cand --variables 'List names of variables' cand -h 'Print help information' cand --help 'Print help information' cand -V 'Print version information' diff --git a/completions/just.fish b/completions/just.fish index 67548ce..3983a71 100644 --- a/completions/just.fish +++ b/completions/just.fish @@ -18,5 +18,6 @@ complete -c just -n "__fish_use_subcommand" -l evaluate -d 'Print evaluated vari complete -c just -n "__fish_use_subcommand" -l init -d 'Initialize new justfile in project root' complete -c just -n "__fish_use_subcommand" -s l -l list -d 'List available recipes and their arguments' complete -c just -n "__fish_use_subcommand" -l summary -d 'List names of available recipes' +complete -c just -n "__fish_use_subcommand" -l variables -d 'List names of variables' complete -c just -n "__fish_use_subcommand" -s h -l help -d 'Print help information' complete -c just -n "__fish_use_subcommand" -s V -l version -d 'Print version information' diff --git a/completions/just.powershell b/completions/just.powershell index 92f9f8c..ed79006 100644 --- a/completions/just.powershell +++ b/completions/just.powershell @@ -47,6 +47,7 @@ Register-ArgumentCompleter -Native -CommandName 'just' -ScriptBlock { [CompletionResult]::new('-l', 'l', [CompletionResultType]::ParameterName, 'List available recipes and their arguments') [CompletionResult]::new('--list', 'list', [CompletionResultType]::ParameterName, 'List available recipes and their arguments') [CompletionResult]::new('--summary', 'summary', [CompletionResultType]::ParameterName, 'List names of available recipes') + [CompletionResult]::new('--variables', 'variables', [CompletionResultType]::ParameterName, 'List names of variables') [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help information') [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help information') [CompletionResult]::new('-V', 'V', [CompletionResultType]::ParameterName, 'Print version information') diff --git a/completions/just.zsh b/completions/just.zsh index 7ed88b9..3f5aed2 100644 --- a/completions/just.zsh +++ b/completions/just.zsh @@ -42,6 +42,7 @@ _just() { '-l[List available recipes and their arguments]' \ '--list[List available recipes and their arguments]' \ '--summary[List names of available recipes]' \ +'--variables[List names of variables]' \ '-h[Print help information]' \ '--help[Print help information]' \ '-V[Print version information]' \ diff --git a/justfile b/justfile index d79dcc5..e9fb105 100755 --- a/justfile +++ b/justfile @@ -157,6 +157,9 @@ watch-readme: just render-readme fswatch -ro README.adoc | xargs -n1 -I{} just render-readme +generate-completions: + ./bin/generate-completions + # run all polyglot recipes polyglot: _python _js _perl _sh _ruby # (recipes that start with `_` are hidden from --list) diff --git a/src/config.rs b/src/config.rs index 48296bb..a413754 100644 --- a/src/config.rs +++ b/src/config.rs @@ -23,6 +23,7 @@ pub(crate) struct Config { } mod cmd { + pub(crate) const COMPLETIONS: &str = "COMPLETIONS"; pub(crate) const DUMP: &str = "DUMP"; pub(crate) const EDIT: &str = "EDIT"; pub(crate) const EVALUATE: &str = "EVALUATE"; @@ -30,10 +31,30 @@ mod cmd { pub(crate) const LIST: &str = "LIST"; pub(crate) const SHOW: &str = "SHOW"; pub(crate) const SUMMARY: &str = "SUMMARY"; - pub(crate) const COMPLETIONS: &str = "COMPLETIONS"; + pub(crate) const VARIABLES: &str = "VARIABLES"; - pub(crate) const ALL: &[&str] = &[COMPLETIONS, DUMP, EDIT, INIT, EVALUATE, LIST, SHOW, SUMMARY]; - pub(crate) const ARGLESS: &[&str] = &[COMPLETIONS, DUMP, EDIT, INIT, LIST, SHOW, SUMMARY]; + pub(crate) const ALL: &[&str] = &[ + COMPLETIONS, + DUMP, + EDIT, + INIT, + EVALUATE, + LIST, + SHOW, + SUMMARY, + VARIABLES, + ]; + + pub(crate) const ARGLESS: &[&str] = &[ + COMPLETIONS, + DUMP, + EDIT, + INIT, + LIST, + SHOW, + SUMMARY, + VARIABLES, + ]; } mod arg { @@ -206,6 +227,11 @@ impl Config { .long("summary") .help("List names of available recipes"), ) + .arg( + Arg::with_name(cmd::VARIABLES) + .long("variables") + .help("List names of variables"), + ) .group(ArgGroup::with_name("SUBCOMMAND").args(cmd::ALL)); if cfg!(feature = "help4help2man") { @@ -345,6 +371,8 @@ impl Config { }); } Subcommand::Evaluate { overrides } + } else if matches.is_present(cmd::VARIABLES) { + Subcommand::Variables } else { Subcommand::Run { arguments: positional.arguments, @@ -419,13 +447,14 @@ impl Config { match &self.subcommand { Dump => Self::dump(justfile), Evaluate { overrides } => self.run(justfile, &search, overrides, &Vec::new()), + List => self.list(justfile), Run { arguments, overrides, } => self.run(justfile, &search, overrides, arguments), - List => self.list(justfile), Show { ref name } => Self::show(&name, justfile), Summary => Self::summary(justfile), + Variables => Self::variables(justfile), Completions { .. } | Edit | Init => unreachable!(), } } @@ -635,6 +664,17 @@ impl Config { } Ok(()) } + + fn variables(justfile: Justfile) -> Result<(), i32> { + for (i, (_, assignment)) in justfile.assignments.iter().enumerate() { + if i > 0 { + print!(" "); + } + print!("{}", assignment.name) + } + println!(); + Ok(()) + } } #[cfg(test)] @@ -668,6 +708,7 @@ FLAGS: --no-highlight Don't highlight echoed recipe lines in bold -q, --quiet Suppress all output --summary List names of available recipes + --variables List names of variables -v, --verbose Use verbose output OPTIONS: diff --git a/src/subcommand.rs b/src/subcommand.rs index 664842e..82b9c96 100644 --- a/src/subcommand.rs +++ b/src/subcommand.rs @@ -20,4 +20,5 @@ pub(crate) enum Subcommand { name: String, }, Summary, + Variables, } diff --git a/tests/integration.rs b/tests/integration.rs index 7a2ebf9..6ed38b8 100644 --- a/tests/integration.rs +++ b/tests/integration.rs @@ -2459,3 +2459,15 @@ test! { status: EXIT_SUCCESS, shell: false, } + +test! { + name: variables, + justfile: " + z := 'a' + a := 'z' + ", + args: ("--variables"), + stdout: "a z\n", + stderr: "", + shell: false, +}