From 7b2d968c768ac77d23e28de96727440e4da5af94 Mon Sep 17 00:00:00 2001
From: Arfrever Frehtes Taifersar Arahesis <Arfrever@Apache.Org>
Date: Sat, 13 Jul 2013 07:30:39 +0200
Subject: [PATCH] Support PORTAGE_REPOSITORIES environmental variable, which
 overrides whole configuration of repositories (repos.conf, PORTDIR,
 PORTDIR_OVERLAY). Format of PORTAGE_REPOSITORIES is identical to format of
 repos.conf.

---
 bin/phase-functions.sh                        |  2 +-
 .../ebuild/_config/special_env_vars.py        |  2 +-
 pym/portage/package/ebuild/doebuild.py        |  1 +
 pym/portage/repository/config.py              | 31 ++++++++++++++++---
 4 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/bin/phase-functions.sh b/bin/phase-functions.sh
index 5c172437f..f67879ef2 100644
--- a/bin/phase-functions.sh
+++ b/bin/phase-functions.sh
@@ -25,7 +25,7 @@ PORTAGE_READONLY_VARS="D EBUILD EBUILD_PHASE EBUILD_PHASE_FUNC \
 	PORTAGE_MUTABLE_FILTERED_VARS PORTAGE_OVERRIDE_EPREFIX \
 	PORTAGE_PYM_PATH PORTAGE_PYTHON \
 	PORTAGE_READONLY_METADATA PORTAGE_READONLY_VARS \
-	PORTAGE_REPO_NAME PORTAGE_RESTRICT \
+	PORTAGE_REPO_NAME PORTAGE_REPOSITORIES PORTAGE_RESTRICT \
 	PORTAGE_SAVED_READONLY_VARS PORTAGE_SIGPIPE_STATUS \
 	PORTAGE_TMPDIR PORTAGE_UPDATE_ENV PORTAGE_USERNAME \
 	PORTAGE_VERBOSE PORTAGE_WORKDIR_MODE PORTAGE_XATTR_EXCLUDE \
diff --git a/pym/portage/package/ebuild/_config/special_env_vars.py b/pym/portage/package/ebuild/_config/special_env_vars.py
index d34d60333..85b699eae 100644
--- a/pym/portage/package/ebuild/_config/special_env_vars.py
+++ b/pym/portage/package/ebuild/_config/special_env_vars.py
@@ -69,7 +69,7 @@ environ_whitelist += [
 	"PORTAGE_IPC_DAEMON", "PORTAGE_IUSE",
 	"PORTAGE_LOG_FILE", "PORTAGE_OVERRIDE_EPREFIX", "PORTAGE_PIPE_FD",
 	"PORTAGE_PYM_PATH", "PORTAGE_PYTHON", "PORTAGE_QUIET",
-	"PORTAGE_REPO_NAME", "PORTAGE_RESTRICT",
+	"PORTAGE_REPO_NAME", "PORTAGE_REPOSITORIES", "PORTAGE_RESTRICT",
 	"PORTAGE_SIGPIPE_STATUS",
 	"PORTAGE_TMPDIR", "PORTAGE_UPDATE_ENV", "PORTAGE_USERNAME",
 	"PORTAGE_VERBOSE", "PORTAGE_WORKDIR_MODE", "PORTAGE_XATTR_EXCLUDE",
diff --git a/pym/portage/package/ebuild/doebuild.py b/pym/portage/package/ebuild/doebuild.py
index 06ea1115b..7ffe66b88 100644
--- a/pym/portage/package/ebuild/doebuild.py
+++ b/pym/portage/package/ebuild/doebuild.py
@@ -306,6 +306,7 @@ def doebuild_environment(myebuild, mydo, myroot=None, settings=None,
 		repo = mydbapi.repositories.get_repo_for_location(mytree)
 		mysettings['PORTDIR'] = repo.eclass_db.porttrees[0]
 		mysettings['PORTDIR_OVERLAY'] = ' '.join(repo.eclass_db.porttrees[1:])
+		mysettings['PORTAGE_REPOSITORIES'] = mydbapi.repositories.config_string()
 		mysettings.configdict["pkg"]["PORTAGE_REPO_NAME"] = repo.name
 
 	mysettings["PORTDIR"] = os.path.realpath(mysettings["PORTDIR"])
diff --git a/pym/portage/repository/config.py b/pym/portage/repository/config.py
index fded7bd78..5d4966a7d 100644
--- a/pym/portage/repository/config.py
+++ b/pym/portage/repository/config.py
@@ -548,8 +548,12 @@ class RepoConfigLoader(object):
 		ignored_map = {}
 		ignored_location_map = {}
 
-		portdir = settings.get('PORTDIR', '')
-		portdir_overlay = settings.get('PORTDIR_OVERLAY', '')
+		if "PORTAGE_REPOSITORIES" in settings:
+			portdir = ""
+			portdir_overlay = ""
+		else:
+			portdir = settings.get("PORTDIR", "")
+			portdir_overlay = settings.get("PORTDIR_OVERLAY", "")
 
 		try:
 			self._parse(paths, prepos, ignored_map,
@@ -827,11 +831,28 @@ class RepoConfigLoader(object):
 	def __contains__(self, repo_name):
 		return repo_name in self.prepos
 
+	def config_string(self):
+		config_string = ""
+		for repo_name, repo in self.prepos.items():
+			config_string += "[%s]\n" % repo_name
+			for key in ("format", "location", "main_repo", "priority", "sync"):
+				if getattr(repo, key) is not None:
+					config_string += "%s = %s\n" % (key.replace("_", "-"), getattr(repo, key))
+			for key in ("aliases", "eclass_overrides"):
+				if getattr(repo, key) is not None:
+					config_string += "%s = %s\n" % (key.replace("_", "-"), " ".join(getattr(repo, key)))
+			for key in ("masters",):
+				if getattr(repo, key) is not None:
+					config_string += "%s = %s\n" % (key.replace("_", "-"), " ".join(x.name for x in getattr(repo, key)))
+		return config_string
+
 def load_repository_config(settings):
-	#~ repoconfigpaths = [os.path.join(settings.global_config_path, "repos.conf")]
 	repoconfigpaths = []
-	repoconfigpaths.append(os.path.join(settings["PORTAGE_CONFIGROOT"],
-		USER_CONFIG_PATH, "repos.conf"))
+	if "PORTAGE_REPOSITORIES" in settings:
+		repoconfigpaths.append(io.StringIO(settings["PORTAGE_REPOSITORIES"]))
+	else:
+		# repoconfigpaths.append(os.path.join(settings.global_config_path, "repos.conf"))
+		repoconfigpaths.append(os.path.join(settings["PORTAGE_CONFIGROOT"], USER_CONFIG_PATH, "repos.conf"))
 	return RepoConfigLoader(repoconfigpaths, settings)
 
 def _get_repo_name(repo_location, cached=None):
-- 
2.26.2