refactor: rename variable

Author: leodevian

changelog.d/+6825c8e4.changed.md

@@ -0,0 +1 @@
+Rename `build_backend` to `backend`.

copier.yaml

@@ -117,7 +117,7 @@ license:
     MIT License: MIT
     Mozilla Public License 2.0: MPL-2.0
 
-build_backend:
+backend:
   type: str
   help: Which build backend do you want to use?
   default: hatch
@@ -130,14 +130,14 @@ hatch_plugins:
   help: Which Hatch plugins do you want to use?
   multiselect: true
   default: [hatch-vcs]
-  when: "{{ build_backend == 'hatch' }}"
+  when: "{{ backend == 'hatch' }}"
   choices:
     hatch-vcs: hatch-vcs
 
 dynamic_version:
   type: bool
   help: Whether the version is dynamic.
-  default: "{{ build_backend == 'hatch' and 'hatch-vcs' in hatch_plugins }}"
+  default: "{{ backend == 'hatch' and 'hatch-vcs' in hatch_plugins }}"
   when: false
 
 entry_points:

template/pyproject.toml.jinja

@@ -1,10 +1,10 @@
 [build-system]
 {%- with requires = [] %}
-{%- if build_backend == 'hatch' %}
+{%- if backend == 'hatch' %}
 build-backend = "hatchling.build"
 {%- if 'hatch-vcs' in hatch_plugins %}{% do requires.append('hatch-vcs>=0.4') %}{% endif %}
 {%- do requires.append('hatchling>=1.27') %}
-{%- elif build_backend == 'uv' %}
+{%- elif backend == 'uv' %}
 build-backend = "uv_build"
 {%- do requires.append('uv-build>=0.7.19,<0.8') %}
 {%- endif %}
@@ -117,7 +117,7 @@ release = [
   "uv>=0.7.7",
 {%- endif %}
 ]
-{% if build_backend == 'hatch' and hatch_plugins %}
+{% if backend == 'hatch' and hatch_plugins %}
 [tool.hatch]
 {%- if 'hatch-vcs' in hatch_plugins %}
 build.hooks.vcs.version-file = "src/{{ package_name }}/VERSION.txt"