From 50172a2a51cc04ec257b77359c4bb600e7b1462c Mon Sep 17 00:00:00 2001
From: William Throwe <wtt6@cornell.edu>
Date: Sat, 11 Mar 2017 20:41:59 -0500
Subject: [PATCH 1/1] Add --onlydeps=minimal emerge option

---
 man/emerge.1                                       |  5 ++-
 pym/_emerge/depgraph.py                            |  8 +++-
 pym/_emerge/main.py                                | 13 ++++++-
 .../tests/resolver/test_onlydeps_minimal.py        | 45 ++++++++++++++++++++++
 4 files changed, 66 insertions(+), 5 deletions(-)
 create mode 100644 pym/portage/tests/resolver/test_onlydeps_minimal.py

diff --git a/man/emerge.1 b/man/emerge.1
index 7db4271..ff43514 100644
--- a/man/emerge.1
+++ b/man/emerge.1
@@ -712,9 +712,10 @@ allowed to be broken when satisfying dependencies of other packages.
 Broken dependencies of this sort will invalidate assumptions that make
 it possible for \fB\-\-deep\fR to be disabled by default.
 .TP
-.BR "\-\-onlydeps " (\fB\-o\fR)
+.BR "\-\-onlydeps[=minimal] " (\fB\-o\fR)
 Only merge (or pretend to merge) the dependencies of the packages
-specified, not the packages themselves.
+specified, not the packages themselves.  If the \fBminimal\fR argument
+is given then do not merge run time dependencies.
 .TP
 .BR "\-\-package\-moves [ y | n ]"
 Perform package moves when necessary. This option is enabled
diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 1379b05..eb06234 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -3000,6 +3000,10 @@ class depgraph(object):
 			edepend["RDEPEND"] = ""
 			edepend["PDEPEND"] = ""
 
+		if pkg.onlydeps == "minimal":
+			edepend["RDEPEND"] = ""
+			edepend["PDEPEND"] = ""
+
 		ignore_build_time_deps = False
 		if pkg.built and not removal_action:
 			if self._dynamic_config.myparams.get("bdeps") in ("y", "auto"):
@@ -3637,7 +3641,7 @@ class depgraph(object):
 		bindb = self._frozen_config.trees[eroot]["bintree"].dbapi
 		pkgsettings = self._frozen_config.pkgsettings[eroot]
 		args = []
-		onlydeps = "--onlydeps" in self._frozen_config.myopts
+		onlydeps = self._frozen_config.myopts.get("--onlydeps")
 		lookup_owners = []
 		for x in myfiles:
 			ext = os.path.splitext(x)[1]
@@ -3987,7 +3991,7 @@ class depgraph(object):
 		call self._creategraph to process theier deps and return
 		a favorite list."""
 		debug = "--debug" in self._frozen_config.myopts
-		onlydeps = "--onlydeps" in self._frozen_config.myopts
+		onlydeps = self._frozen_config.myopts.get("--onlydeps")
 		myroot = self._frozen_config.target_root
 		pkgsettings = self._frozen_config.pkgsettings[myroot]
 		pprovideddict = pkgsettings.pprovideddict
diff --git a/pym/_emerge/main.py b/pym/_emerge/main.py
index 76e963a..e957ee0 100644
--- a/pym/_emerge/main.py
+++ b/pym/_emerge/main.py
@@ -42,7 +42,7 @@ options=[
 "--newuse",
 "--nodeps",       "--noreplace",
 "--nospinner",    "--oneshot",
-"--onlydeps",     "--pretend",
+"--pretend",
 "--quiet-repo-display",
 "--quiet-unmerge-warn",
 "--resume",
@@ -147,6 +147,7 @@ def insert_optional_args(args):
 		'--jobs'       : valid_integers,
 		'--keep-going'           : y_or_n,
 		'--load-average'         : valid_floats,
+		'--onlydeps'             : ('minimal',),
 		'--package-moves'        : y_or_n,
 		'--quiet'                : y_or_n,
 		'--quiet-build'          : y_or_n,
@@ -559,6 +560,11 @@ def parse_opts(tmpcmdline, silent=False):
 			"action" : "append",
 		},
 
+		"--onlydeps": {
+			"help"    : "modify interpretation of depedencies",
+			"choices" :("True", "minimal")
+		},
+
 		"--rebuild-exclude": {
 			"help"   :"A space separated list of package names or slot atoms. " + \
 				"Emerge will not rebuild these packages due to the " + \
@@ -890,6 +896,11 @@ def parse_opts(tmpcmdline, silent=False):
 	else:
 		myoptions.keep_going = None
 
+	if myoptions.onlydeps in true_y:
+		myoptions.onlydeps = True
+	elif myoptions.onlydeps is False:
+		myoptions.onlydeps = None
+
 	if myoptions.package_moves in true_y:
 		myoptions.package_moves = True
 
diff --git a/pym/portage/tests/resolver/test_onlydeps_minimal.py b/pym/portage/tests/resolver/test_onlydeps_minimal.py
new file mode 100644
index 0000000..a7df030
--- /dev/null
+++ b/pym/portage/tests/resolver/test_onlydeps_minimal.py
@@ -0,0 +1,45 @@
+# Copyright 2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+from portage.tests import TestCase
+from portage.tests.resolver.ResolverPlayground import ResolverPlayground, ResolverPlaygroundTestCase
+
+class OnlydepsMinimalTestCase(TestCase):
+
+	def testOnlydepsMinimal(self):
+		ebuilds = {
+			"dev-libs/A-1": { "DEPEND": "dev-libs/B",
+			                  "RDEPEND": "dev-libs/C",
+			                  "PDEPEND": "dev-libs/D" },
+			"dev-libs/B-1": { },
+			"dev-libs/C-1": { },
+			"dev-libs/D-1": { },
+			}
+		installed = {
+		}
+
+		test_cases = (
+			ResolverPlaygroundTestCase(
+				["dev-libs/A"],
+				all_permutations = True,
+				success = True,
+				options = { "--onlydeps": True },
+				mergelist = ["dev-libs/B-1",
+				             "dev-libs/C-1",
+				             "dev-libs/D-1"]),
+			ResolverPlaygroundTestCase(
+				["dev-libs/A"],
+				all_permutations = True,
+				success = True,
+				options = { "--onlydeps": "minimal" },
+				mergelist = ["dev-libs/B-1"]),
+			)
+
+		playground = ResolverPlayground(ebuilds=ebuilds,
+			installed=installed, debug=False)
+		try:
+			for test_case in test_cases:
+				playground.run_TestCase(test_case)
+				self.assertEqual(test_case.test_success, True, test_case.fail_msg)
+		finally:
+			playground.cleanup()
-- 
2.10.2