From 332ef8e00da6f76e620719b877d3ac56a9692836 Mon Sep 17 00:00:00 2001 From: kjuulh Date: Sat, 21 Jan 2023 20:58:51 +0100 Subject: [PATCH] add pipelines --- Cargo.lock | 481 ++++++++++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 10 +- src/main.rs | 185 +++++++++++++++++++- 3 files changed, 672 insertions(+), 4 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 34a89a8..1405253 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -2,6 +2,487 @@ # It is not intended for manual editing. version = 3 +[[package]] +name = "addr2line" +version = "0.19.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97" +dependencies = [ + "gimli", +] + +[[package]] +name = "adler" +version = "1.0.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe" + +[[package]] +name = "backtrace" +version = "0.3.67" +source = 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s.as_str()) + .collect::>() + .as_slice(), + )?; + + Ok(()) +} + +mod library { + use std::path::PathBuf; + + pub struct Shell { + path: PathBuf, + } + + impl Shell { + pub fn new(path: Option) -> eyre::Result { + Ok(Self { + path: path.unwrap_or(std::env::current_dir()?), + }) + } + pub fn execute_shell(&self, args: &[&str]) -> eyre::Result { + let output = std::process::Command::new( + args.get(0) + .ok_or(eyre::anyhow!("no first arg in shell command"))?, + ) + .args(args.get(1..).unwrap_or(&[])) + .current_dir(&self.path) + .output()?; + + Ok(String::from_utf8(output.stdout)?) + } + } +} + +fn into_static_str(s: String) -> &'static str { + Box::leak(s.into_boxed_str()) +} + +trait Pipeline { + fn name(&self) -> String; + fn cmd(&self) -> clap::Command { + let name = self.name(); + + clap::Command::new(into_static_str(name)) + } + fn execute(&self, args: &clap::ArgMatches) -> eyre::Result<()>; +} + +struct BuildPipeline {} + +impl Pipeline for BuildPipeline { + fn name(&self) -> String { + "build_pipeline".into() + } + + fn cmd(&self) -> clap::Command { + let name = self.name(); + + clap::Command::new(into_static_str(name)).arg(clap::Arg::new("some").long("some")) + } + + fn execute(&self, args: &clap::ArgMatches) -> eyre::Result<()> { + let some = args + .get_one::("some") + .ok_or(eyre::anyhow!("some is missing"))?; + + let output = library::Shell::new(None)?.execute_shell(&["echo", some])?; + + println!("{output}"); + + Ok(()) + } +} + +type DynPipeline = Box; +struct Pipelines { + pipelines: Vec, +} + +impl Pipelines { + fn list(&self) -> eyre::Result> { + let cmds = self.pipelines.iter().map(|p| p.name()).collect(); + + Ok(cmds) + } +} + +#[allow(dead_code)] +pub struct Char { + pipelines: Pipelines, +} + +impl Char { + pub fn new() -> Self { + let build_pipeline = BuildPipeline {}; + Self { + pipelines: Pipelines { + pipelines: vec![Box::new(build_pipeline)], + }, + } + } + + fn execute_from(self, args: &[&str]) -> eyre::Result<()> { + let matches = self.main_cmd().get_matches_from(args); + + match matches.subcommand() { + Some(("list", _)) => self.execute_list()?, + Some(("run", sub)) => self.execute_run(sub)?, + _ => eyre::bail!("no command matches, please [char --help] to see available commands"), + } + + Ok(()) + } + + fn main_cmd(&self) -> clap::Command { + clap::Command::new("char") + .subcommand(self.list_cmd()) + .subcommand(self.run_cmd()) + } + + fn list_cmd(&self) -> clap::Command { + clap::Command::new("list") + } + + fn run_cmd(&self) -> clap::Command { + clap::Command::new("run").subcommands(self.pipelines.pipelines.iter().map(|p| p.cmd())) + } + + fn execute_list(&self) -> eyre::Result<()> { + println!("list"); + self.pipelines + .pipelines + .iter() + .for_each(|p| println!(" - {}", p.name())); + + Ok(()) + } + + fn execute_run(&self, sub: &clap::ArgMatches) -> eyre::Result<()> { + if let Some((name, subm)) = sub.subcommand() { + let pipelines: Vec<&DynPipeline> = self + .pipelines + .pipelines + .iter() + .filter(|p| p.name() == name) + .collect(); + + if let Some(pipeline) = pipelines.get(0) { + println!("{}", pipeline.name()); + + pipeline.execute(subm)?; + + return Ok(()); + } + } + eyre::bail!("no command matches, please [char list] to see available commands"); + } +} + +#[cfg(test)] +mod tests { + use crate::Char; + + #[test] + fn execute_list() { + Char::new().execute_from(&["char", "list"]).unwrap(); + } + + #[test] + fn execute_run() { + Char::new() + .execute_from(&["char", "run", "build_pipeline", "--some", "arg"]) + .unwrap(); + } }