src/python/jw/pkg/cmds/projects/lib/pkg_relations.py

@@ -30,16 +30,11 @@ def pkg_relations(
     if syntax == Syntax.DEBIAN:
         expand_semver_revision_range = True
 
-    if skip_excluded:
-        excluded = app.get_project_refs(
-            seed_pkgs,
-            ['build'],
-            'exclude',
-            scope = Scope.One,
-            add_self = False,
-            names_only = True,
-        )
-        ignore |= set(excluded)
+    def __is_excluded(module: str) -> bool:
+        # True if the module is excluded from the build on the current
+        # distro, i.e. if its [build] exclude list matches the distro's
+        # os cascade
+        return app.is_excluded_from_build(module) is not None
 
     log(
         DEBUG,
@@ -55,6 +50,9 @@ def pkg_relations(
         closure: list[str] = []
         visited: set[str] = set()
         for seed in seed_pkgs:
+            if skip_excluded and __is_excluded(seed):
+                # Excluded seeds are neither considered nor output
+                continue
             app.walk_project_deps(
                 closure,
                 visited,
@@ -69,6 +67,9 @@ def pkg_relations(
                 recurse = recursive,
             )
         for cur_pkg in closure:
+            if skip_excluded and __is_excluded(cur_pkg):
+                # Excluded modules contribute no dependencies
+                continue
             for subsec in subsections:
                 section = 'pkg.' + rel_type + '.' + subsec
                 for deps_spec in app.read_dep_edges(cur_pkg, [section], flavour):
@@ -81,6 +82,8 @@ def pkg_relations(
                         if dep_name in ignore or dep.full_name in ignore:
                             continue
                         if subsec == 'jw':
+                            if skip_excluded and __is_excluded(dep_name):
+                                continue
                             if hide_jw_pkg and dep_name == 'jw-pkg':
                                 continue
                         expand_version_macros = subsec == 'jw'

test/integration/jw-pkg/projects/pkg-requires/Makefile

@@ -0,0 +1,28 @@
+TOPDIR = ../../../../..
+
+OUTPUT = test-out.txt
+REFERENCE = test-expected.txt
+
+# Relative topdir keeps the rendered project paths relocatable; dropping the
+# log position keeps the error output free of volatile line numbers. The
+# fixture tree under ./proj provides the topdir and the projects root; the
+# last -t wins over the global one.
+TEST_CMD_ARGS = --topdir-format relative --log-flags prio,stderr \
+	-t ./proj/excl-never -p ./proj
+
+include $(TOPDIR)/make/proj.mk
+include $(TOPDIR)/make/test-jw-pkg.mk
+
+all:
+
+$(OUTPUT): Makefile test.sh \
+	$(wildcard proj/*) $(wildcard proj/*/make/project.conf) \
+	$(wildcard proj/*/VERSION)
+	bash ./test.sh $(TEST_CMD_LINE) > $(OUTPUT).tmp 2>&1
+	diff $(REFERENCE) $(OUTPUT).tmp
+	mv $(OUTPUT).tmp $(OUTPUT)
+
+test: $(OUTPUT)
+clean: test.integration.in-tree.clean
+test.integration.in-tree.clean:
+	rm -f $(OUTPUT) $(OUTPUT).tmp

test/integration/jw-pkg/projects/pkg-requires/proj/dep-target/VERSION

@@ -0,0 +1 @@
+1.0.0-1

test/integration/jw-pkg/projects/pkg-requires/proj/dep-target/make/project.conf

@@ -0,0 +1,10 @@
+[summary]
+Test fixture: plain dependency target
+
+[description]
+Fixture for pkg-requires --skip-excluded: a project without [build]
+exclude.
+
+[global]
+group = "Testing"
+subpackages = run

test/integration/jw-pkg/projects/pkg-requires/proj/excl-all/VERSION

@@ -0,0 +1 @@
+1.0.0-1

test/integration/jw-pkg/projects/pkg-requires/proj/excl-all/make/project.conf

@@ -0,0 +1,18 @@
+[summary]
+Test fixture: excluded from the build on all platforms
+
+[description]
+Fixture for pkg-requires --skip-excluded: [build] exclude = all.
+
+[global]
+group = "Testing"
+subpackages = run
+
+[build]
+exclude = all
+
+[pkg.requires.os]
+run = bar-foo-qux
+
+[pkg.requires.jw]
+run = dep-target-run

test/integration/jw-pkg/projects/pkg-requires/proj/excl-never/VERSION

@@ -0,0 +1 @@
+1.0.0-1

test/integration/jw-pkg/projects/pkg-requires/proj/excl-never/make/project.conf

@@ -0,0 +1,19 @@
+[summary]
+Test fixture: [build] exclude lists a platform name
+
+[description]
+Fixture for pkg-requires --skip-excluded: [build] exclude contains a
+platform name (centos), not a project name.
+
+[global]
+group = "Testing"
+subpackages = run
+
+[build]
+exclude = centos
+
+[pkg.requires.os]
+run = foo-bar-baz
+
+[pkg.requires.jw]
+run = excl-all-run, dep-target-run

test/integration/jw-pkg/projects/pkg-requires/test-expected.txt

@@ -0,0 +1,8 @@
+============= Running: jw-pkg.py -t ../../../../.. --log-level info --topdir-format relative --log-flags prio,stderr -t ./proj/excl-never -p ./proj projects pkg-requires --quote --skip-excluded --hide-self --syntax names-only --delimiter   run excl-never
+"foo-bar-baz" "dep-target-run"
+============= Running: jw-pkg.py -t ../../../../.. --log-level info --topdir-format relative --log-flags prio,stderr -t ./proj/excl-never -p ./proj projects pkg-requires --quote --hide-self --syntax names-only --delimiter   run excl-never
+"foo-bar-baz" "excl-all-run" "dep-target-run"
+============= Running: jw-pkg.py -t ../../../../.. --log-level info --topdir-format relative --log-flags prio,stderr -t ./proj/excl-never -p ./proj projects pkg-requires --quote --skip-excluded --hide-self --syntax names-only --delimiter   run excl-all
+
+============= Running: jw-pkg.py -t ../../../../.. --log-level info --topdir-format relative --log-flags prio,stderr -t ./proj/excl-never -p ./proj projects pkg-requires --quote --hide-self --syntax names-only --delimiter   run excl-all
+"bar-foo-qux" "dep-target-run"

test/integration/jw-pkg/projects/pkg-requires/test.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+# shellcheck disable=SC2048,SC2086
+# Unquoted $* is intentional — the jw-pkg command line
+
+export LC_ALL="C"
+set -euo pipefail
+
+jw_pkg_py="$*"
+
+# Print a header and run a command whose output is part of the expected
+# result. Under `set -e` a non-zero exit aborts the test.
+run()
+{
+	local log_cmd
+	# shellcheck disable=SC2001
+	log_cmd=$(echo "$*" | sed 's|.*python3[0-9.]*\s\+\(\.\.\/\)*scripts/||')
+	printf '============= Running: %s\n' "$log_cmd"
+	"$@"
+}
+
+# The topdir (-t ./proj/excl-never) and the projects root (-p ./proj) are
+# part of the test command line (see the Makefile); the last -t wins over
+# the global one. excl-never lists the platform name "centos" in [build]
+# exclude and is therefore not excluded from the build here; excl-all is
+# excluded on every platform.
+
+# -- the platform name in [build] exclude must not be treated as a project;
+# -- the excluded jw dependency is not reported
+run $jw_pkg_py projects pkg-requires \
+	--quote --skip-excluded --hide-self --syntax names-only --delimiter " " \
+	run excl-never
+
+# -- without --skip-excluded, the excluded jw dependency is reported
+run $jw_pkg_py projects pkg-requires \
+	--quote --hide-self --syntax names-only --delimiter " " \
+	run excl-never
+
+# -- an excluded seed is neither considered nor output
+run $jw_pkg_py projects pkg-requires \
+	--quote --skip-excluded --hide-self --syntax names-only --delimiter " " \
+	run excl-all
+
+# -- without --skip-excluded, the excluded seed's dependencies are reported
+run $jw_pkg_py projects pkg-requires \
+	--quote --hide-self --syntax names-only --delimiter " " \
+	run excl-all