shared workspace for rust deps

This is especially helpful when doing patch over-rides, since data_prep
depends on backend.

.github/workflows/test.yml

@@ -24,5 +24,4 @@ jobs:
 
       - name: Run tests
         run: |
-          cd backend
           cargo test --release

Cargo.toml

@@ -0,0 +1,28 @@
+[workspace]
+members = [
+    "backend",
+    "data_prep/scotland",
+]
+
+resolver = "2"
+
+[workspace.package]
+edition = "2021"
+
+[workspace.dependencies]
+anyhow = "1.0.82"
+bincode = "1.3.3"
+geo = { git = "https://github.com/georust/geo" }
+geojson = { git = "https://github.com/georust/geojson", features = ["geo-types"] }
+serde = "1.0.188"
+utils = { git = "https://github.com/a-b-street/utils", features = ["serde"] }
+
+# For local development, build dependencies in release mode once, but otherwise
+# use dev profile and avoid wasm-opt.
+[profile.dev.package."*"]
+opt-level = 3
+
+[patch.crates-io]
+geo = { git = "https://github.com/georust/geo" }
+geo-types = { git = "https://github.com/georust/geo" }
+

backend/Cargo.toml

@@ -1,20 +1,20 @@
 [package]
 name = "backend"
 version = "0.1.0"
-edition = "2021"
+edition.workspace = true
 
 [lib]
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-anyhow = "1.0.82"
-bincode = "1.3.3"
+anyhow.workspace = true
+bincode.workspace = true
 console_error_panic_hook = "0.1.6"
 console_log = "1.0.0"
 contour = "0.12.0"
 fast_paths = "1.0.0"
-geo = "0.29.1"
-geojson = { git = "https://github.com/georust/geojson", features = ["geo-types"] }
+geo.workspace = true
+geojson.workspace = true
 # Note: i_overlay doesn't follow semver, and only guarantees non-breaking across patch versions.
 # https://github.com/iShape-Rust/iOverlay?tab=readme-ov-file#versioning-policy
 # So we pin to a minor version.
@@ -25,10 +25,10 @@ nanorand = { version = "0.7.0", default-features = false, features = ["wyrand"]
 osm-reader = { git = "https://github.com/a-b-street/osm-reader" }
 route-snapper-graph = { git = "https://github.com/dabreegster/route_snapper" }
 rstar = "0.12.0"
-serde = "1.0.188"
+serde.workspace = true
 serde_json = "1.0.105"
 serde-wasm-bindgen = "0.6.0"
-utils = { git = "https://github.com/a-b-street/utils", features = ["serde"] }
+utils.workspace = true
 wasm-bindgen = "0.2.87"
 web-sys = { version = "0.3.64", features = ["console"] }
 web-time = "1.0.0"
@@ -38,26 +38,18 @@ petgraph = "0.7.1"
 criterion = "0.5.1"
 approx = "0.5.1"
 
-# For local development, build dependencies in release mode once, but otherwise
-# use dev profile and avoid wasm-opt.
-[profile.dev.package."*"]
-opt-level = 3
-
 [[bench]]
 name = "build_map_model"
 harness = false
+
 [[bench]]
 name = "build_neighbourhood"
 harness = false
+
 [[bench]]
 name = "router"
 harness = false
+
 [[bench]]
 name = "shortcuts"
 harness = false
-
-[patch.crates-io]
-# use unreleased `geo` and `geo-types` to fix crash: https://github.com/a-b-street/ltn/issues/54
-# (awaiting release of https://github.com/georust/geo/pull/1279)
-geo = {  git = "https://github.com/georust/geo" }
-geo-types = {  git = "https://github.com/georust/geo" }