Use wheel-building support to generate BR’s

python-hatch-vcs.spec

@@ -19,11 +19,8 @@ Source0:        %{pypi_source hatch_vcs}
 BuildArch:      noarch
 
 BuildRequires:  python3-devel
-# RHBZ#1985340
-BuildRequires:  pyproject-rpm-macros >= 1.1.0
-
-# For script in %%generate_buildrequires:
-BuildRequires:  python3dist(tomli)
+# RHBZ#1985340, RHBZ#2076994
+BuildRequires:  pyproject-rpm-macros >= 1.2.0
 
 %if %{with tests}
 BuildRequires:  python3dist(pytest)
@@ -50,25 +47,7 @@ Summary:        %{summary}
 
 
 %generate_buildrequires
-# Cannot use %%pyproject_buildrequires -r (the default) with hatchling:
-# “ValueError: build backend cannot provide build metadata (incl. runtime
-# requirements) before build”. See: https://github.com/ofek/hatch/issues/128
-#
-# We work around this by writing the dependencies from pyproject.toml into a
-# text file. This may not be necessary in the future; see:
-# https://bugzilla.redhat.com/show_bug.cgi?id=2076994
-'%{python3}' <<'EOF'
-from tomli import load
-
-def emit(tomlbase, reqtag, getdeps):
-    with open(f'{tomlbase}.toml', 'rb') as cfgfile:
-        deps = getdeps(load(cfgfile))
-    with open(f'requirements.{reqtag}.txt', 'w') as reqfile:
-        reqfile.writelines(f'{dep}\n' for dep in deps)
-
-emit('pyproject', 'pyproject', lambda cfg: cfg['project']['dependencies'])
-EOF
-%pyproject_buildrequires -R requirements.pyproject.txt
+%pyproject_buildrequires -w
 
 
 %build