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-rw-r--r--pym/_emerge/__init__.py20
1 files changed, 20 insertions, 0 deletions
diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py
index c3c4a896a..e853d8fb8 100644
--- a/pym/_emerge/__init__.py
+++ b/pym/_emerge/__init__.py
@@ -2795,6 +2795,26 @@ class depgraph(object):
continue
except portage.exception.InvalidDependString:
continue
+
+ # Enable upgrage or downgrade to a version
+ # with visible KEYWORDS when the installed
+ # version is masked by KEYWORDS, but never
+ # reinstall the same exact version only due
+ # to a KEYWORDS mask.
+ if installed and matched_packages and \
+ pkgsettings.getMissingKeywords(
+ pkg.cpv, pkg.metadata):
+ different_version = None
+ for avail_pkg in matched_packages:
+ if not portage.dep.cpvequal(
+ pkg.cpv, avail_pkg.cpv):
+ different_version = avail_pkg
+ break
+ if different_version is not None:
+ # Only reinstall for KEYWORDS if
+ # it's not the same version.
+ continue
+
if not built and not calculated_use:
# This is avoided whenever possible because
# it's expensive.