add a Dockerfile for building

docker/Dockerfile

@@ -0,0 +1,25 @@
+FROM debian:testing
+
+RUN ( \
+    set -e; \
+    apt-get -yq update; \
+    apt-get -yq install \
+        build-essential \
+        curl \
+        mdbook \
+        plantuml \
+        vim-nox \
+    ; \
+    apt-get clean; \
+)
+
+ENV RUSTUP_HOME=/opt/rustup
+ENV CARGO_HOME=/opt/cargo
+
+RUN ( \
+    set -e; \
+    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y ; \
+    chmod 777 /opt/rustup /opt/cargo; \
+)
+
+ENV PATH="$PATH:$CARGO_HOME/bin"

modular-recipes/repos/minimal_hydroponics_setup/barb_fitting_1_2_inch.toml

@@ -1,11 +1,12 @@
 [inputs]
-capital = { quantity = { amount=5.75, unit="USDollar" } }
+capital = { quantity = { amount=2.59, unit="USDollar" } }
 
 [dependencies]
 operator = {skills=["vendor interaction"]}
 
 [action.purchase]
 vendor = [
+    "https://acmehydroponics.net/collections/plumbing/products/fill-drain-1-2-fitting",
     "https://www.ebay.com/itm/134772441988",
     "https://www.ebay.com/itm/251050375775?var=554293415440",
     "https://www.ebay.com/itm/251313018420",

modular-recipes/repos/minimal_hydroponics_setup/barb_fitting_1_inch.toml

@@ -1,10 +1,11 @@
 [inputs]
-capital = { quantity = { amount=15.19, unit="USDollar" } }
+capital = { quantity = { amount=2.49, unit="USDollar" } }
 
 [dependencies]
 operator = {skills=["vendor interaction"]}
 
 [action.purchase]
 vendor = [
-    "https://www.botanicare.com/products/fittings/"
+    "https://www.botanicare.com/products/fittings/",
+    "https://acmehydroponics.net/collections/plumbing/products/fill-drain-1-fitting"
 ]

modular-recipes/repos/minimal_hydroponics_setup/filter.toml

@@ -0,0 +1,12 @@
+[inputs]
+capital = { quantity = { amount=0.96, unit="USDollar" } }
+
+[dependencies]
+operator = {skills=["vendor interaction"]}
+
+[action.purchase]
+vendor = [
+    "https://acmehydroponics.net/collections/plumbing/products/screen-fitting-plumbing",
+    "https://hydrobuilder.com/products/grow1-ebb-flow-screen-fittings-pack-of-10",
+    "https://www.ebay.com/itm/256644061627"
+]

modular-recipes/repos/minimal_hydroponics_setup/nutrient_reservoir_lid.toml

@@ -2,8 +2,11 @@
 food_safe_bucket_lid = {}
 
 [dependencies]
-tools = [ "hole saw" ]
+tools = [ "hack saw" ]
 
 [action]
-process = """Drill three holes in the lid the right size to fit the 1
+process = """Use the holes drilled in the `plant_tray_basin` to mark
-inch tube, the 1/2 inch tube, and the pump's power cord through."""
+the `food_safe_bucket_lid`.  Cut the lid to make room for the two barb
+fittings, so the `plant_tray_basin` can sit in the lid comfortably.
+This cut will also make room for the `nutrient_pump` power cord to
+exit."""

modular-recipes/repos/minimal_hydroponics_setup/overflow_fitting.toml

@@ -0,0 +1,12 @@
+[inputs]
+barb_fitting_1_inch = {}
+riser = { quantity = { amount = 2 } }
+filter = {}
+
+[dependencies]
+operator = {skills=["assembly"]}
+
+[action]
+process = """
+Attach the risers and filter to the barb fitting.
+"""

modular-recipes/repos/minimal_hydroponics_setup/plant_tray.toml

@@ -1,13 +1,15 @@
 [inputs]
 plant_tray_basin = {}
 clay_pebble_grow_medium = { quantity = { amount=5, unit="Liter" } }
-barb_fitting_1_inch = {}
+pump_fitting = {}
-barb_fitting_1_2_inch = {}
+overflow_fitting = {}
 
 [dependencies]
 tools = [ "hack saw" ]
 
 [action]
-process = """Attach the two fittings.
+process = """
-
+* Attach the pump fitting.
-Add the grow medium."""
+* Attach the overflow fitting.
+* Add the grow medium.
+"""

modular-recipes/repos/minimal_hydroponics_setup/plant_tray_basin.toml

@@ -5,10 +5,20 @@ plant_tray_basin = { comment = "Alternatively use commercial plastic bus tubs."
 food_safe_5_gallon_bucket = {}
 
 [dependencies]
-tools = [ "hack saw", "step drill" ]
+tools = [ "hack saw", "step drill correct size for both barb fittings" ]
 
 [action]
-process = """* Cut the top of the bucket off, leaving a kind of deep dish
+process = """
-or bowl that will holds the plant growth medium and the plants.
 
-* Drill holes for the two fittings."""
+* Drill holes for the two fittings.  The holes should be pretty close
+together, but far enough apart that there's sufficient room for the nuts
+that compress the barb fitting gaskets.
+
+* Temporarily install the overflow fitting, and mark the wall of the
+bucket a few inches above the top of the overflow fitting.
+
+* Cut the top of the bucket off at the mark.  This leaves a kind of deep
+dish or bowl that will holds the plant growth medium and the plants.
+a few inches above the top of the overflow fitting.
+
+"""

modular-recipes/repos/minimal_hydroponics_setup/pump_fitting.toml

@@ -0,0 +1,11 @@
+[inputs]
+barb_fitting_1_2_inch = {}
+filter = {}
+
+[dependencies]
+operator = {skills=["assembly"]}
+
+[action]
+process = """
+Attach the filter to the barb fitting.
+"""

modular-recipes/repos/minimal_hydroponics_setup/riser.toml

@@ -0,0 +1,11 @@
+[inputs]
+capital = { quantity = { amount=0.97, unit="USDollar" } }
+
+[dependencies]
+operator = {skills=["vendor interaction"]}
+
+[action.purchase]
+vendor = [
+    "https://acmehydroponics.net/collections/plumbing/products/extension-fitting-plumbing",
+    "https://www.ebay.com/itm/256644065109"
+]

tools/src/bin/parser/main.rs

@@ -3,26 +3,47 @@ use clap::Parser;
 #[derive(Debug, clap::Parser)]
 #[command(version, about, long_about = None)]
 struct Args {
-    /// The name of the recipe to build.
+    /// Directories containing repos, eg "../my-repos".
-    target: String,
-
-    /// Directories containing repos.
     #[arg(short, long)]
-    // repo: String,
     repo: Vec<String>,
+
+    /// Type of behavior/output.
+    #[command(subcommand)]
+    command: Commands,
+}
+
+#[derive(clap::Subcommand, Debug)]
+enum Commands {
+    /// Produce an mdbook of the specified recipe.
+    Mdbook {
+        /// The name of the recipe to create MD Book for, eg "my_widget".
+        target: String,
+    },
+    /// Show parsed recipe, probably not very useful.
+    Info {
+        /// The name of the recipe to show info for, eg "my_widget".
+        target: String,
+    },
 }
 
 fn main() -> anyhow::Result<()> {
     let args = Args::parse();
-    // 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)?;
     }
 
-    let build_plan = repos.compile(&args.target)?;
+    match &args.command {
-    build_plan.make_mdbook()?;
+        Commands::Mdbook { target } => {
+            let build_plan = repos.compile(target)?;
+            build_plan.make_mdbook()?;
+        }
+        Commands::Info { target } => {
+            let recipe = repos.get_recipe(target)?;
+            println!("{:#?}", recipe);
+        }
+    }
 
     Ok(())
 }

tools/src/build_plan.rs

@@ -215,6 +215,8 @@ impl<'a> BuildPlan<'a> {
         writeln!(bom_md_file, "# Bill of materials")?;
         writeln!(bom_md_file, "")?;
 
+        let mut total_cost: f32 = 0.0;
+
         let mut names: Vec<&String> = self.bom.keys().collect();
         names.sort();
         for name in names {
@@ -226,13 +228,14 @@ impl<'a> BuildPlan<'a> {
                 )))?;
             let recipe = self.repos.get_recipe(name)?;
             let unit_cost = recipe.unit_cost()?;
-            let total_cost = unit_cost * item.quantity.amount;
+            let item_total_cost = unit_cost * item.quantity.amount;
+            total_cost += item_total_cost;
             writeln!(bom_md_file, "* {name}")?;
             writeln!(bom_md_file, "    * quantity {:?}", item.quantity)?;
             writeln!(
                 bom_md_file,
                 "    * cost {:.2} ({:.2} each)",
-                total_cost, unit_cost
+                item_total_cost, unit_cost
             )?;
             writeln!(bom_md_file, "    * vendors:")?;
             match &recipe.action {
@@ -250,6 +253,9 @@ impl<'a> BuildPlan<'a> {
             }
         }
 
+        writeln!(bom_md_file, "")?;
+        writeln!(bom_md_file, "Total cost: {:.2}", total_cost)?;
+
         writeln!(
             summary_md_file,
             "    - [Bill of Materials](overview/bom.md)"