CI: Double compute performance, halve build jobs

.config/hakari.toml

@@ -0,0 +1,27 @@
+# This file contains settings for `cargo hakari`.
+# See https://docs.rs/cargo-hakari/latest/cargo_hakari/config for a full list of options.
+
+hakari-package = "workspace-hack"
+
+# Format version for hakari's output. Version 4 requires cargo-hakari 0.9.22 or above.
+dep-format-version = "4"
+
+# Setting workspace.resolver = "2" or higher in the root Cargo.toml is HIGHLY recommended.
+# Hakari works much better with the v2 resolver. (The v2 and v3 resolvers are identical from
+# hakari's perspective, so you're welcome to set either.)
+#
+# For more about the new feature resolver, see:
+# https://blog.rust-lang.org/2021/03/25/Rust-1.51.0.html#cargos-new-feature-resolver
+resolver = "3"
+
+# Add triples corresponding to platforms commonly used by developers here.
+# https://doc.rust-lang.org/rustc/platform-support.html
+platforms = [
+    "x86_64-unknown-linux-gnu",
+    # "x86_64-apple-darwin",
+    # "aarch64-apple-darwin",
+    # "x86_64-pc-windows-msvc",
+]
+
+# Write out exact versions rather than a semver range. (Defaults to false.)
+# exact-versions = true

.gitattributes

@@ -0,0 +1,3 @@
+# Avoid putting conflict markers in the generated Cargo.toml file, since their presence breaks
+# Cargo.
+Cargo.lock merge=binary

.github/workflows/ci.yml

@@ -6,15 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@0c366fd6a839edf440554fa01a7085ccba70ac98
-
-      # c.f. https://github.com/extractions/setup-just/issues/23
-      - uses: extractions/setup-crate@4993624604c307fbca528d28a3c8b60fa5ecc859 # v1.4.0
-        with:
-          repo: casey/just
-          version: 1.42.4
-      - uses: moonrepo/setup-rust@ede6de059f8046a5e236c94046823e2af11ca670 # v1.2.2
-        with:
-            bins: cargo-nextest, cargo-insta@1.28.0
+      - uses: ./.github/actions/setup-nix-direnv-rust
       - run: just test-unit
   test-integration:
     name: Integration test (& build all in dev-mode)

.semaphore/semaphore.yml

@@ -3,8 +3,8 @@ name: "Opsqueue CI"
 
 agent:
   machine:
-    type: "f1-standard-2"
-    os_image: "ubuntu2204"
+    type: "f1-standard-4"
+    os_image: "ubuntu2404"
 
 # If we push a new build to some branch that isn't master, and another build is
 # already running, we cancel it.
@@ -60,17 +60,14 @@ blocks:
       when: "branch = 'master'"
     task:
       jobs:
-        - name: "Build Opsqueue binary (in release mode) & run unit tests"
+        - name: "Build Opsqueue binary & Python library (in release mode) & run unit tests"
           commands:
-            - "nix-store -qR --include-outputs $(nix-store -qd $(just nix-build-bin)) | grep -v '\\.drv$' | cachix push channable"
+            - "nix-store -qR --include-outputs $(nix-store -qd $(just nix-build)) | grep -v '\\.drv$' | cachix push channable"
             # Once a day, we update the devenv cache.
             # Except when fresh, this takes < 1 second
             # but it cannot live in the prologue
             # as that might corrupt it
             - cache store nix-store-$(date -u -Idate) /nix
-        - name: "Build Python library (in release mode)"
-          commands:
-            - "nix-store -qR --include-outputs $(nix-store -qd $(just nix-build-python)) | grep -v '\\.drv$' | cachix push channable"
   - name: "Integration"
     dependencies:
       - "Build"