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-rw-r--r--pym/_emerge/depgraph.py5
-rw-r--r--pym/_emerge/help.py11
-rw-r--r--pym/_emerge/main.py6
3 files changed, 22 insertions, 0 deletions
diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 25e385521..de097c419 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -2091,6 +2091,11 @@ class depgraph(object):
break
if len(matched_packages) > 1:
+ if "--avoid-update" in self.myopts:
+ for pkg in matched_packages:
+ if pkg.installed:
+ return pkg, existing_node
+
bestmatch = portage.best(
[pkg.cpv for pkg in matched_packages])
matched_packages = [pkg for pkg in matched_packages \
diff --git a/pym/_emerge/help.py b/pym/_emerge/help.py
index 950692136..1f4b5201e 100644
--- a/pym/_emerge/help.py
+++ b/pym/_emerge/help.py
@@ -235,6 +235,17 @@ def help(myaction,myopts,havecolor=1):
print " to the prompt, so an accidental press of the \"Enter\" key at any"
print " time prior to the prompt will be interpreted as a choice!"
print
+ print " "+green("--avoid-update")
+ desc = "Tries to prevent package updates. This may not always be" + \
+ " possible since new packages or new dependencies due to USE" + \
+ " flag changes may require a newer version of an installed" + \
+ " package. Furthermore, this option may lead to slot conflicts" + \
+ " (Multiple package instances within a single package slot" + \
+ " have been pulled into the dependency graph). It is not" + \
+ " possible to use this option in such a case."
+ for line in wrap(desc, desc_width):
+ print desc_indent + line
+ print
print " "+green("--buildpkg")+" ("+green("-b")+" short option)"
desc = "Tells emerge to build binary packages for all ebuilds processed in" + \
" addition to actually merging the packages. Useful for maintainers" + \
diff --git a/pym/_emerge/main.py b/pym/_emerge/main.py
index f73bc6db4..087493c4d 100644
--- a/pym/_emerge/main.py
+++ b/pym/_emerge/main.py
@@ -65,6 +65,7 @@ options=[
"--searchdesc", "--selective",
"--skipfirst",
"--tree",
+"--avoid-update",
"--update",
"--usepkg", "--usepkgonly",
"--verbose",
@@ -1060,6 +1061,11 @@ def emerge_main():
noiselevel=-1)
return 1
+ if "--avoid-update" in myopts and "--update" in myopts:
+ writemsg("!!! conflicting options given: " + \
+ "--update and --avoid-update\n", noiselevel=-1)
+ return 1
+
if settings.get("PORTAGE_DEBUG", "") == "1":
spinner.update = spinner.update_quiet
portage.debug=1