feat: adding copier question for Git support

.github/renovate.json5

@@ -11,5 +11,23 @@
       "commitMessageAction": "update",
       "commitMessageTopic": "Nix flake lock"
     }
-  }
+  },
+  "customManagers": [
+    {
+      "customType": "regex",
+      "managerFilePatterns": [
+        "/(^|/|\\.)Dockerfile$/",
+        "/(^|/)Dockerfile[^/]*$/"
+      ],
+      "matchStringsStrategy": "recursive",
+      "matchStrings": [
+        "FROM\\s*.*?alpine[.:]?(?<alpineMajor>\\d+)\\.(?<alpineMinor>\\d+)(?:\\n|.)*",
+        "apk\\s+add\\s+(?:\\n|.)*?[^\\\\]\\n",
+        "(?<name>[^\\s=~]+)~?=(?<currentValue>[^\\s=]+)"
+      ],
+      "datasourceTemplate": "repology",
+      "depNameTemplate": "alpine_{{alpineMajor}}_{{alpineMinor}}/{{name}}",
+      "versioningTemplate": "loose"
+    }
+  ]
 }

copier.yml

@@ -3,3 +3,8 @@ _subdirectory: rust
 project_name:
   type: str
   help: What is the project name?
+
+uses_git:
+  type: bool
+  default: false
+  help: Does the tool require Git? (e.g., for analyzing git history)

rust/.github/workflows/dogfood.yml → rust/.github/workflows/dogfood.yml.jinja

@@ -15,7 +15,12 @@ jobs:
     steps:
       - name: Checkout code.
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+{%- if uses_git %}
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+          fetch-depth: 0
+{%- endif %}
       - name: Setup Nix.
         uses: cachix/install-nix-action@4e002c8ec80594ecd40e759629461e26c8abed15 # v31.9.0
       - name: Dogfooding Docker.
-        run: nix develop -c make dogfood-docker
+        run: nix develop -c make dogfood-docker{% if uses_git %} FROM="origin/${{ github.base_ref }}"{% endif %}

rust/Dockerfile.jinja

@@ -0,0 +1,14 @@
+FROM alpine:3.23.2@sha256:865b95f46d98cf867a156fe4a135ad3fe50d2056aa3f25ed31662dff6da4eb62
+{%- if uses_git %}
+
+RUN apk add --no-cache \
+    git=2.52.0-r0 && \
+    git config --system --add safe.directory '*'
+{%- endif %}
+
+ARG TARGET
+COPY ./target/${TARGET}/release/{{ project_name }} /usr/local/bin/
+
+WORKDIR /workspace
+
+ENTRYPOINT ["{{ project_name }}"]

rust/Makefile.jinja

@@ -88,7 +88,7 @@ GITHUB_ACTIONS_ENV := --env HOME=/github/home --env GITHUB_ACTIONS=true --env CI
 .PHONY: dogfood-docker
 dogfood-docker: release
 	docker build --build-arg TARGET=$(MUSL_TARGET) --tag {{ project_name }} --file Dockerfile .
-	docker run --rm --volume $(PWD):/workspace --workdir /workspace $(GITHUB_ACTIONS_ENV) {{ project_name }} --verbose
+	docker run --rm --volume $(PWD):/workspace --workdir /workspace $(GITHUB_ACTIONS_ENV) {{ project_name }} --verbose{% if uses_git %} $(FROM){% endif %}
 
 .PHONY: publish-docker-image
 publish-docker-image:

rust/flake.nix → rust/flake.nix.jinja

@@ -50,7 +50,9 @@
             pkgs.python313
             pkgs.python313Packages.autopep8
             pkgs.python313Packages.behave
+{%- if uses_git %}
             pkgs.git
+{%- endif %}
             # Deploying.
             pkgs.gh
           ];