Add usex function for EAPI 5

7 files changed, 200 insertions, 0 deletions

diff --git a/paludis/repositories/e/e_repository_TEST_4.cc b/paludis/repositories/e/e_repository_TEST_4.cc
index e8a1a569d..5bdfd99ff 100644
--- a/paludis/repositories/e/e_repository_TEST_4.cc
+++ b/paludis/repositories/e/e_repository_TEST_4.cc
@@ -552,3 +552,49 @@ TEST(ERepository, RequiredUse)
     }
 }
 
+TEST(ERepository, NoUseX)
+{
+    FSPath root(FSPath::cwd() / "e_repository_TEST_4_dir" / "root");
+
+    TestEnvironment env;
+    std::shared_ptr<Map<std::string, std::string> > keys(std::make_shared<Map<std::string, std::string>>());
+    keys->insert("format", "e");
+    keys->insert("names_cache", "/var/empty");
+    keys->insert("location", stringify(FSPath::cwd() / "e_repository_TEST_4_dir" / "repo"));
+    keys->insert("profiles", stringify(FSPath::cwd() / "e_repository_TEST_4_dir" / "repo/profiles/profile"));
+    keys->insert("layout", "traditional");
+    keys->insert("eapi_when_unknown", "0");
+    keys->insert("eapi_when_unspecified", "0");
+    keys->insert("profile_eapi", "0");
+    keys->insert("distdir", stringify(FSPath::cwd() / "e_repository_TEST_4_dir" / "distdir"));
+    keys->insert("builddir", stringify(FSPath::cwd() / "e_repository_TEST_4_dir" / "build"));
+    std::shared_ptr<Repository> repo(ERepository::repository_factory_create(&env,
+                std::bind(from_keys, keys, std::placeholders::_1)));
+    env.add_repository(1, repo);
+
+    std::shared_ptr<FakeInstalledRepository> installed_repo(std::make_shared<FakeInstalledRepository>(
+                make_named_values<FakeInstalledRepositoryParams>(
+                    n::environment() = &env,
+                    n::name() = RepositoryName("installed"),
+                    n::suitable_destination() = true,
+                    n::supports_uninstall() = true
+                    )));
+    env.add_repository(2, installed_repo);
+
+    {
+        PretendAction pretend_action(make_named_values<PretendActionOptions>(
+                    n::destination() = installed_repo,
+                    n::make_output_manager() = &make_standard_output_manager,
+                    n::replacing() = std::make_shared<PackageIDSequence>()
+                    ));
+
+        const std::shared_ptr<const PackageID> id(*env[selection::RequireExactlyOne(generator::Matches(
+                        PackageDepSpec(parse_user_package_dep_spec("=cat/no-usex-4::test-repo",
+                                &env, { })), make_null_shared_ptr(), { }))]->last());
+        ASSERT_TRUE(bool(id));
+        EXPECT_EQ("4", visitor_cast<const MetadataValueKey<std::string> >(**id->find_metadata("EAPI"))->parse_value());
+        id->perform_action(pretend_action);
+        ASSERT_TRUE(! pretend_action.failed());
+    }
+}
+
diff --git a/paludis/repositories/e/e_repository_TEST_4_setup.sh b/paludis/repositories/e/e_repository_TEST_4_setup.sh
index dac100902..4fd6f6094 100755
--- a/paludis/repositories/e/e_repository_TEST_4_setup.sh
+++ b/paludis/repositories/e/e_repository_TEST_4_setup.sh
@@ -1194,6 +1194,22 @@ src_configure() {
     [[ $(use_enable cheese cheese "") == --enable-cheese= ]] || die
 }
 END
+mkdir -p "cat/no-usex"
+cat <<'END' > cat/no-usex/no-usex-4.ebuild || exit 1
+EAPI="4"
+DESCRIPTION="The Description"
+HOMEPAGE="http://example.com/"
+SRC_URI=""
+SLOT="0"
+IUSE="spork"
+LICENSE="GPL-2"
+KEYWORDS="test"
+S=${WORKDIR}
+
+pkg_pretend() {
+    [[ -z $(type -t usex) ]] || die
+}
+END
 cd ..
 
 cd ..
diff --git a/paludis/repositories/e/e_repository_TEST_5.cc b/paludis/repositories/e/e_repository_TEST_5.cc
index d001f4fa9..739597fbf 100644
--- a/paludis/repositories/e/e_repository_TEST_5.cc
+++ b/paludis/repositories/e/e_repository_TEST_5.cc
@@ -218,3 +218,49 @@ TEST(ERepository, RequiredUse)
     }
 }
 
+TEST(ERepository, UseX)
+{
+    FSPath root(FSPath::cwd() / "e_repository_TEST_5_dir" / "root");
+
+    TestEnvironment env;
+    std::shared_ptr<Map<std::string, std::string> > keys(std::make_shared<Map<std::string, std::string>>());
+    keys->insert("format", "e");
+    keys->insert("names_cache", "/var/empty");
+    keys->insert("location", stringify(FSPath::cwd() / "e_repository_TEST_5_dir" / "repo"));
+    keys->insert("profiles", stringify(FSPath::cwd() / "e_repository_TEST_5_dir" / "repo/profiles/profile"));
+    keys->insert("layout", "traditional");
+    keys->insert("eapi_when_unknown", "0");
+    keys->insert("eapi_when_unspecified", "0");
+    keys->insert("profile_eapi", "0");
+    keys->insert("distdir", stringify(FSPath::cwd() / "e_repository_TEST_5_dir" / "distdir"));
+    keys->insert("builddir", stringify(FSPath::cwd() / "e_repository_TEST_5_dir" / "build"));
+    std::shared_ptr<Repository> repo(ERepository::repository_factory_create(&env,
+                std::bind(from_keys, keys, std::placeholders::_1)));
+    env.add_repository(1, repo);
+
+    std::shared_ptr<FakeInstalledRepository> installed_repo(std::make_shared<FakeInstalledRepository>(
+                make_named_values<FakeInstalledRepositoryParams>(
+                    n::environment() = &env,
+                    n::name() = RepositoryName("installed"),
+                    n::suitable_destination() = true,
+                    n::supports_uninstall() = true
+                    )));
+    env.add_repository(2, installed_repo);
+
+    {
+        PretendAction pretend_action(make_named_values<PretendActionOptions>(
+                    n::destination() = installed_repo,
+                    n::make_output_manager() = &make_standard_output_manager,
+                    n::replacing() = std::make_shared<PackageIDSequence>()
+                    ));
+
+        const std::shared_ptr<const PackageID> id(*env[selection::RequireExactlyOne(generator::Matches(
+                        PackageDepSpec(parse_user_package_dep_spec("=cat/usex-5::test-repo",
+                                &env, { })), make_null_shared_ptr(), { }))]->last());
+        ASSERT_TRUE(bool(id));
+        EXPECT_EQ("5", visitor_cast<const MetadataValueKey<std::string> >(**id->find_metadata("EAPI"))->parse_value());
+        id->perform_action(pretend_action);
+        ASSERT_TRUE(! pretend_action.failed());
+    }
+}
+
diff --git a/paludis/repositories/e/e_repository_TEST_5_setup.sh b/paludis/repositories/e/e_repository_TEST_5_setup.sh
index a3ee9637f..65c782034 100755
--- a/paludis/repositories/e/e_repository_TEST_5_setup.sh
+++ b/paludis/repositories/e/e_repository_TEST_5_setup.sh
@@ -111,5 +111,63 @@ EOF
 }
 END
 
+mkdir -p "cat/usex" || exit 1
+cat << 'END' > cat/usex/usex-5.ebuild || exit 1
+EAPI="5"
+DESCRIPTION="The Description"
+HOMEPAGE="http://example.com/"
+SRC_URI=""
+SLOT="0"
+IUSE="enabled disabled"
+LICENSE="GPL-2"
+KEYWORDS="test"
+
+S="${WORKDIR}"
+
+pkg_pretend() {
+    usex enabled                      >>"${T}"/usex.out || die
+    usex disabled                     >>"${T}"/usex.out || die
+    usex enabled  foo                 >>"${T}"/usex.out || die
+    usex disabled foo                 >>"${T}"/usex.out || die
+    usex enabled  foo bar             >>"${T}"/usex.out || die
+    usex disabled foo bar             >>"${T}"/usex.out || die
+    usex enabled  foo bar xyzzy       >>"${T}"/usex.out || die
+    usex disabled foo bar xyzzy       >>"${T}"/usex.out || die
+    usex enabled  foo bar xyzzy plugh >>"${T}"/usex.out || die
+    usex disabled foo bar xyzzy plugh >>"${T}"/usex.out || die
+    usex enabled  ""  bar xyzzy plugh >>"${T}"/usex.out || die
+    usex disabled ""  bar xyzzy plugh >>"${T}"/usex.out || die
+    usex enabled  foo ""  xyzzy plugh >>"${T}"/usex.out || die
+    usex disabled foo ""  xyzzy plugh >>"${T}"/usex.out || die
+    usex enabled  foo bar ""    plugh >>"${T}"/usex.out || die
+    usex disabled foo bar ""    plugh >>"${T}"/usex.out || die
+    usex enabled  foo bar xyzzy ""    >>"${T}"/usex.out || die
+    usex disabled foo bar xyzzy ""    >>"${T}"/usex.out || die
+
+    cat >"${T}"/usex.expected <<EOF
+yes
+no
+foo
+no
+foo
+bar
+fooxyzzy
+bar
+fooxyzzy
+barplugh
+xyzzy
+barplugh
+fooxyzzy
+plugh
+foo
+barplugh
+fooxyzzy
+bar
+EOF
+
+    diff "${T}"/usex.{expected,out} || die
+}
+END
+
 cd ..
 cd ..
diff --git a/paludis/repositories/e/eapis/5.conf b/paludis/repositories/e/eapis/5.conf
index 225a3ad58..954a37a94 100644
--- a/paludis/repositories/e/eapis/5.conf
+++ b/paludis/repositories/e/eapis/5.conf
@@ -11,4 +11,6 @@ utility_path_suffixes = 5 4 3 2 1 0
 
 dependency_spec_tree_parse_options = ${dependency_spec_tree_parse_options} allow_at_most_one
 
+load_modules = ${load_modules} usex
+
 econf_extra_options_help_dependent = ${econf_extra_options_help_dependent} disable-silent-rules::--disable-silent-rules
diff --git a/paludis/repositories/e/ebuild/5/Makefile.am b/paludis/repositories/e/ebuild/5/Makefile.am
index 8e2370803..99d227dfd 100644
--- a/paludis/repositories/e/ebuild/5/Makefile.am
+++ b/paludis/repositories/e/ebuild/5/Makefile.am
@@ -5,6 +5,7 @@ SUBDIRS = .
 libexecprog5dir = $(libexecdir)/paludis/5
 
 libexecprog5_SCRIPTS = \
+	usex.bash \
 	output_functions.bash
 
 TESTS =
diff --git a/paludis/repositories/e/ebuild/5/usex.bash b/paludis/repositories/e/ebuild/5/usex.bash
new file mode 100644
index 000000000..2d30c1a4b
--- /dev/null
+++ b/paludis/repositories/e/ebuild/5/usex.bash
@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+# vim: set sw=4 sts=4 et :
+
+# Copyright (c) 2012 David Leverton
+#
+# Based in part upon ebuild.sh from Portage, which is Copyright 1995-2005
+# Gentoo Foundation and distributed under the terms of the GNU General
+# Public License v2.
+#
+# This file is part of the Paludis package manager. Paludis is free software;
+# you can redistribute it and/or modify it under the terms of the GNU General
+# Public License, version 2, as published by the Free Software Foundation.
+#
+# Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+# Place, Suite 330, Boston, MA  02111-1307  USA
+
+usex()
+{
+    if useq "${1}" ; then
+        echo "${2-yes}${4}"
+    else
+        echo "${3-no}${5}"
+    fi
+}
+