add support for multiple repos

This commit is contained in:
Sebastian Kuzminsky 2025-02-09 15:25:42 -07:00
parent 46581a1c65
commit 8d7e95186e
3 changed files with 281 additions and 6 deletions

View file

@ -1,21 +1,25 @@
use clap::Parser;
use tools::Repo;
#[derive(Debug, clap::Parser)]
#[command(version, about, long_about = None)]
struct Args {
/// The name of the recipe to build.
target: String,
/// Directory containing the repo of all repositories.
/// Directories containing repos.
#[arg(short, long)]
repo: String,
// repo: String,
repo: Vec<String>,
}
fn main() -> anyhow::Result<()> {
let args = Args::parse();
let repo = Repo::new(&args.repo).unwrap();
repo.compile(&args.target)?;
// let repo = tools::Repo::new(&args.repo).unwrap();
// repo.compile(&args.target)?;
let mut repos = tools::Repos::default();
for repo_path in &args.repo {
repos.add_repo(repo_path)?;
}
repos.compile(&args.target)?;
Ok(())
}

View file

@ -5,6 +5,9 @@ pub mod repo;
pub use repo::Repo;
pub use repo::RepoLoadError;
pub mod repos;
pub use repos::Repos;
pub mod recipe_id;
pub use recipe_id::RecipeId;
pub use recipe_id::RecipeIdParseError;

268
tools/src/repos.rs Normal file
View file

@ -0,0 +1,268 @@
use std::io::Write;
use std::process::Command;
use std::str::FromStr;
use thiserror::Error;
use crate::recipe::Recipe;
use crate::recipe_id::RecipeId;
use crate::recipe_id::RecipeIdParseError;
use crate::repo::Repo;
#[derive(Default)]
pub struct Repos {
repos: std::collections::HashMap<String, Repo>,
}
#[derive(Debug, Error, PartialEq)]
pub enum RecipeLookupError {
#[error(transparent)]
RecipeIdParseError(RecipeIdParseError),
#[error("recipe not found: {0}")]
RecipeNotFound(String),
#[error("repo not found: {0}")]
RepoNotFound(String),
}
impl From<RecipeIdParseError> for RecipeLookupError {
fn from(val: RecipeIdParseError) -> Self {
RecipeLookupError::RecipeIdParseError(val)
}
}
#[derive(Debug, Error)]
pub enum AddRepoError {
#[error("repo load error: {0}")]
RepoLoadError(#[from] crate::repo::RepoLoadError),
#[error("invalid repo name: {0}")]
InvalidRepoName(String),
}
#[derive(Debug, thiserror::Error)]
pub enum RecipeCompileError {
#[error(transparent)]
RecipeLookupError(#[from] RecipeLookupError),
#[error(transparent)]
StdIoError(#[from] std::io::Error),
#[error("vitamin has no capital input: {0}")]
VitaminLacksCapital(String),
#[error("vitamin capital has wrong unit: {0}")]
VitaminCapitalHasWrongUnit(String),
#[error("input produces no output: {0}")]
InputProducesNoOutput(String),
}
impl Repos {
pub fn add_repo(&mut self, repo_path: &str) -> Result<(), AddRepoError> {
let repo_pathbuf = std::path::PathBuf::from(repo_path);
match repo_pathbuf.file_name() {
Some(repo_name) => {
let repo = Repo::new(repo_path)?;
let repo_name = repo_name
.to_str()
.ok_or_else(|| AddRepoError::InvalidRepoName(repo_path.into()))?;
self.repos.insert(repo_name.into(), repo);
println!("added repo {repo_name}");
Ok(())
}
None => {
todo!();
}
}
}
// Recipe names are of the form "[repo:]recipe".
// If repo is specified, look only in that repo.
// If repo is not specified, search all repos.
pub fn get_recipe(&self, recipe_name: &str) -> Result<&Recipe, RecipeLookupError> {
let recipe_id = RecipeId::from_str(recipe_name)?;
match recipe_id.repo {
Some(repo) => {
let repo = match self.repos.get(&repo) {
Some(repo) => repo,
None => return Err(RecipeLookupError::RepoNotFound(repo)),
};
repo.get_recipe(&recipe_id.recipe)
.ok_or_else(|| RecipeLookupError::RecipeNotFound(recipe_name.into()))
}
None => {
for (_repo_name, repo) in self.repos.iter() {
if let Some(recipe) = repo.get_recipe(recipe_name) {
return Ok(recipe);
}
}
Err(RecipeLookupError::RecipeNotFound(recipe_name.into()))
}
}
}
pub fn compile(&self, target: &str) -> Result<(), RecipeCompileError> {
let recipe = self.get_recipe(target)?;
let puml_filename = format!("{target}.puml");
let mut puml_file = std::fs::File::create(&puml_filename)?;
writeln!(puml_file, "@startuml")?;
writeln!(puml_file, "object {}", target)?;
self.compile_inner(&mut puml_file, target, recipe, 4)?;
writeln!(puml_file, "@enduml")?;
let output = Command::new("plantuml")
.arg("-v")
.arg(&puml_filename)
.output()?;
if !output.status.success() {
println!("{:#?}", output);
}
Ok(())
}
}
impl Repos {
fn compile_inner(
&self,
puml_file: &mut std::fs::File,
recipe_name: &str, // the name of the thing we're making
recipe: &Recipe, // the recipe for the thing we're making
indent: usize,
) -> Result<(), RecipeCompileError> {
for (input_name, input_info) in recipe.inputs.iter() {
let input_recipe = self.get_recipe(input_name)?;
// A Recipe whose only input is Capital is a Vitamin.
let cost = match input_recipe.is_vitamin() {
true => {
let amount_needed = input_info.quantity;
// FIXME: for now Vitamins must have exactly one Input, and it must be Capital.
assert_eq!(input_recipe.inputs.len(), 1);
let input_capital = input_recipe.inputs.get("capital").ok_or_else(|| {
RecipeCompileError::VitaminLacksCapital(input_name.into())
})?;
if input_capital.quantity.unit != Some(crate::recipe::Unit::USDollar) {
return Err(RecipeCompileError::VitaminCapitalHasWrongUnit(
input_name.into(),
));
}
let cost = input_capital.quantity.amount;
let outputs = match &input_recipe.outputs {
None => {
return Err(RecipeCompileError::InputProducesNoOutput(
input_name.into(),
));
}
Some(outputs) => outputs,
};
// FIXME: For now Vitamins must produce exactly one output.
assert_eq!(outputs.len(), 1);
let (_output_name, output_info) = outputs.iter().next().unwrap();
let output_quantity = output_info.quantity;
// compute the "unit cost" of this input
let cost_each = cost / output_quantity.amount;
let total_cost = amount_needed.amount * cost_each;
// FIXME: Try to coerce the units here - if we buy
// hose in rolls measured in feet, but we use lengths
// of hose measured in meters, that should be ok.
if let Some(output_unit) = output_info.quantity.unit {
Some(format!(
"${:.6} / {:?}\ntotal: ${:.6}",
cost_each, output_unit, total_cost
))
} else {
Some(format!("${:.6} each\ntotal: ${:.6}", cost_each, total_cost))
}
}
false => None,
};
let (input_object_name, input_object_declaration) = match input_recipe.is_vitamin() {
true => {
// "Leaf" nodes get unique boxes.
let uuid = uuid::Uuid::new_v4();
let input_object_name = format!("uuid_{}", uuid.simple());
(
input_object_name.clone(),
format!("\"{}\" as {}", input_name, input_object_name),
)
}
false => (input_name.clone(), input_name.clone()),
};
writeln!(puml_file, "object {}", input_object_declaration)?;
match &input_recipe.action {
crate::recipe::Action::process(process) => {
writeln!(puml_file, "{} : {:?}", input_object_name, process)?;
}
crate::recipe::Action::print => {
writeln!(puml_file, "{} : print", input_object_name)?;
}
crate::recipe::Action::purchase(_purchase) => {
writeln!(puml_file, "{} : buy", input_object_name)?;
}
}
if let Some(cost_str) = cost {
writeln!(puml_file, "{} : {:?}", input_object_name, cost_str)?;
}
write!(puml_file, "{} <|-- {}", recipe_name, input_object_name)?;
if input_info.quantity.unit.is_some() || input_info.quantity.amount != 1.0 {
write!(puml_file, " : quantity={:?}", input_info.quantity)?;
}
writeln!(puml_file)?;
if !input_recipe.is_vitamin() {
self.compile_inner(puml_file, input_name, input_recipe, indent + 4)?;
}
}
Ok(())
}
}
mod test {
#[test]
fn empty_repos() {
let empty_repos = crate::repos::Repos::default();
assert_eq!(
empty_repos.get_recipe("nonexistent".into()),
Err(crate::repos::RecipeLookupError::RecipeNotFound(
"nonexistent".into()
))
);
}
#[test]
fn load_two_repos() -> Result<(), crate::repos::AddRepoError> {
let mut repos = crate::repos::Repos::default();
repos.add_repo("../modular-recipes/repos/fasteners")?;
repos.add_repo("../modular-recipes/recipes/peristaltic-pump")?;
assert_eq!(repos.repos.iter().count(), 2);
println!("{:?}", repos.repos.keys());
let _fasteners = repos.repos.get("fasteners").unwrap();
let _peristaltic_pump = repos.repos.get("peristaltic-pump").unwrap();
Ok(())
}
#[test]
fn get_recipe() {
let mut repos = crate::repos::Repos::default();
repos
.add_repo("../modular-recipes/repos/fasteners")
.unwrap();
repos
.add_repo("../modular-recipes/recipes/peristaltic-pump")
.unwrap();
repos
.add_repo("../modular-recipes/repos/minimal_hydroponics_setup")
.unwrap();
let _r = repos.get_recipe("peristaltic_pump").unwrap();
let _r = repos.get_recipe("m4_nuts").unwrap();
let _r = repos.get_recipe("fasteners:m4_nuts").unwrap();
let _r = repos.get_recipe("barb_fitting_1_2_inch").unwrap();
}
}