From cb4e43c670b9e8c065375b985a0ac15b6bfa6e78 Mon Sep 17 00:00:00 2001
From: Miro Hrončok <miro@hroncok.cz>
Date: Jul 29 2020 15:40:37 +0000
Subject: Implement %pyproject_extras_subpkg


---

diff --git a/macros.pyproject b/macros.pyproject
index bab2c4c..1b0aa02 100644
--- a/macros.pyproject
+++ b/macros.pyproject
@@ -11,6 +11,7 @@
 %_pyproject_builddir .pyproject-builddir
 
 %pyproject_files %{_builddir}/pyproject-files
+%pyproject_ghost_distinfo %{_builddir}/pyproject-ghost-distinfo
 
 %pyproject_wheel() %{expand:\\\
 export TMPDIR="${PWD}/%{_pyproject_builddir}"
@@ -28,15 +29,30 @@ if [ -d %{buildroot}%{_bindir} ]; then
   pathfix.py -pni "%{__python3}" -k%{?py3_shbang_opts: -a%{py3_shbang_opts_nodash}} %{buildroot}%{_bindir}/*
   rm -rfv %{buildroot}%{_bindir}/__pycache__
 fi
+rm -f %{pyproject_ghost_distinfo}
 if [ -d %{buildroot}%{python3_sitelib} ]; then
-  sed -i 's/pip/rpm/' %{buildroot}%{python3_sitelib}/*.dist-info/INSTALLER
+  for distinfo in %{buildroot}%{python3_sitelib}/*.dist-info; do
+    echo "%ghost ${distinfo#%{buildroot}}" >> %{pyproject_ghost_distinfo}
+    sed -i 's/pip/rpm/' ${distinfo}/INSTALLER
+  done
 fi
-if [ -d %{buildroot}%{python3_sitearch} ]; then
-  sed -i 's/pip/rpm/' %{buildroot}%{python3_sitearch}/*.dist-info/INSTALLER
+if [ %{buildroot}%{python3_sitearch} != %{buildroot}%{python3_sitelib} ] && [ -d %{buildroot}%{python3_sitearch} ]; then
+  for distinfo in %{buildroot}%{python3_sitearch}/*.dist-info; do
+    echo "%ghost ${distinfo#%{buildroot}}" >> %{pyproject_ghost_distinfo}
+    sed -i 's/pip/rpm/' ${distinfo}/INSTALLER
+  done
+fi
+lines=$(wc -l %{pyproject_ghost_distinfo} | cut -f1 -d" ")
+if [ $lines -ne 1 ]; then
+  echo -e "\\n\\nWARNING: %%%%pyproject_extras_subpkg won't work without explicit -i or -F, found $lines dist-info directories.\\n\\n" >/dev/stderr
+  rm %{pyproject_ghost_distinfo}  # any attempt to use this will fail
 fi
 }
 
 
+%python_extras_subpkg(n:i:f:F) %{expand:%{?python_extras_subpkg:%{python_extras_subpkg%{?!-i:%{?!-f:%{?!-F: -f %{pyproject_ghost_distinfo}}}} %**}}}
+
+
 %pyproject_save_files() %{expand:\\\
 %{__python3} %{_rpmconfigdir}/redhat/pyproject_save_files.py \\
   --output "%{pyproject_files}" \\
diff --git a/pyproject-rpm-macros.spec b/pyproject-rpm-macros.spec
index 26f9384..4dd03f1 100644
--- a/pyproject-rpm-macros.spec
+++ b/pyproject-rpm-macros.spec
@@ -6,7 +6,7 @@ License:        MIT
 
 # Keep the version at zero and increment only release
 Version:        0
-Release:        19%{?dist}
+Release:        20%{?dist}
 
 # Macro files
 Source001:      macros.pyproject
@@ -101,6 +101,9 @@ export HOSTNAME="rpmbuild"  # to speedup tox in network-less mock, see rhbz#1856
 %license LICENSE
 
 %changelog
+* Wed Jul 29 2020 Miro Hrončok <mhroncok@redhat.com> - 0-20
+- Implement %%pyproject_extras_subpkg
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0-19
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
 
diff --git a/tests/python-setuptools_scm.spec b/tests/python-setuptools_scm.spec
new file mode 100644
index 0000000..82cca4c
--- /dev/null
+++ b/tests/python-setuptools_scm.spec
@@ -0,0 +1,55 @@
+Name:           python-setuptools_scm
+Version:        3.5.0
+Release:        0%{?dist}
+Summary:        The blessed package to manage your versions by SCM tags
+License:        MIT
+URL:            https://github.com/pypa/setuptools_scm/
+Source0:        %{pypi_source setuptools_scm}
+
+BuildArch:      noarch
+BuildRequires:  python3-devel
+BuildRequires:  pyproject-rpm-macros
+
+%description
+Here we test that %%pyproject_extras_subpkg works and generates
+setuptools_scm[toml] extra subpackage.
+
+Note that it only works on Fedora 33+.
+
+%package -n python3-setuptools_scm
+Summary:        %{summary}
+
+%description -n python3-setuptools_scm
+...
+
+%pyproject_extras_subpkg -n python3-setuptools_scm toml
+
+
+%prep
+%autosetup -p1 -n setuptools_scm-%{version}
+
+
+%generate_buildrequires
+%pyproject_buildrequires
+
+
+%build
+%pyproject_wheel
+
+
+%install
+%pyproject_install
+%pyproject_save_files setuptools_scm
+
+
+%check
+# Internal check for our macros
+# making sure that %%{pyproject_ghost_distinfo} has the right content
+test -f %{pyproject_ghost_distinfo}
+test "$(cat %{pyproject_ghost_distinfo})" == "%ghost %{python3_sitelib}/setuptools_scm-%{version}.dist-info"
+
+
+%files -n python3-setuptools_scm -f %{pyproject_files}
+%doc README.rst
+%doc CHANGELOG.rst
+%license LICENSE
diff --git a/tests/tests.yml b/tests/tests.yml
index 9322bac..b66ea8c 100644
--- a/tests/tests.yml
+++ b/tests/tests.yml
@@ -40,6 +40,9 @@
     - mistune:
         dir: .
         run: ./mocktest.sh python-mistune
+    - setuptools_scm:
+        dir: .
+        run: ./mocktest.sh python-setuptools_scm
     required_packages:
     - mock
     - rpmdevtools