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Author: zmedico |
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Date: 2009-10-31 23:32:13 +0000 (Sat, 31 Oct 2009) |
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New Revision: 14763 |
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|
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Modified: |
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main/trunk/man/emerge.1 |
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main/trunk/pym/_emerge/depgraph.py |
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main/trunk/pym/_emerge/help.py |
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main/trunk/pym/_emerge/main.py |
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Log: |
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Add a --backtrack=COUNT option to control how many times backtracking is |
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allowed, and reduce the default from 30 to 5. |
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|
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|
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Modified: main/trunk/man/emerge.1 |
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=================================================================== |
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--- main/trunk/man/emerge.1 2009-10-31 22:59:35 UTC (rev 14762) |
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+++ main/trunk/man/emerge.1 2009-10-31 23:32:13 UTC (rev 14763) |
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@@ -276,6 +276,11 @@ |
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intended to be set in the \fBmake.conf\fR(5) |
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\fBEMERGE_DEFAULT_OPTS\fR variable. |
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.TP |
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+.BR \-\-backtrack=COUNT |
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+Specifies an integer number of times to backtrack if |
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+dependency calculation fails due to a conflict or an |
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+unsatisfied dependency (default: \'5\'). |
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+.TP |
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.BR "\-\-binpkg\-respect\-use < y | n >" |
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Tells emerge to ignore binary packages if their use flags |
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don't match the current configuration. (default: \'n\') |
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|
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Modified: main/trunk/pym/_emerge/depgraph.py |
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=================================================================== |
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--- main/trunk/pym/_emerge/depgraph.py 2009-10-31 22:59:35 UTC (rev 14762) |
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+++ main/trunk/pym/_emerge/depgraph.py 2009-10-31 23:32:13 UTC (rev 14763) |
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@@ -5329,7 +5329,7 @@ |
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def _backtrack_depgraph(settings, trees, myopts, myparams, |
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myaction, myfiles, spinner): |
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|
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- backtrack_max = 30 |
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+ backtrack_max = myopts.get('backtrack', 5) |
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runtime_pkg_mask = None |
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allow_backtracking = True |
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backtracked = 0 |
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|
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Modified: main/trunk/pym/_emerge/help.py |
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=================================================================== |
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--- main/trunk/pym/_emerge/help.py 2009-10-31 22:59:35 UTC (rev 14762) |
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+++ main/trunk/pym/_emerge/help.py 2009-10-31 23:32:13 UTC (rev 14763) |
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@@ -279,6 +279,13 @@ |
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for line in wrap(desc, desc_width): |
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print(desc_indent + line) |
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print() |
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+ print(" " + green("--backtrack") + " " + turquoise("COUNT")) |
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+ desc = "Specifies an integer number of times to backtrack if " + \ |
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+ "dependency calculation fails due to a conflict or an " + \ |
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+ "unsatisfied dependency (default: '5')." |
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+ for line in wrap(desc, desc_width): |
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+ print(desc_indent + line) |
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+ print() |
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print(" " + green("--binpkg-respect-use") + \ |
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" < " + turquoise("y") + " | " + turquoise("n") + " >") |
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desc = "Tells emerge to ignore binary packages if their use flags" + \ |
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|
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Modified: main/trunk/pym/_emerge/main.py |
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=================================================================== |
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--- main/trunk/pym/_emerge/main.py 2009-10-31 22:59:35 UTC (rev 14762) |
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+++ main/trunk/pym/_emerge/main.py 2009-10-31 23:32:13 UTC (rev 14763) |
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@@ -510,6 +510,15 @@ |
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"help":"temporarily override ACCEPT_PROPERTIES", |
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"action":"store" |
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}, |
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+ |
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+ "--backtrack": { |
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+ |
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+ "help" : "Specifies how many times to backtrack if dependency " + \ |
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+ "calculation fails ", |
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+ |
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+ "action" : "store" |
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+ }, |
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+ |
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"--config-root": { |
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"help":"specify the location for portage configuration files", |
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"action":"store" |
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@@ -731,6 +740,21 @@ |
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if myoptions.selective == "True": |
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myoptions.selective = True |
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|
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+ if myoptions.backtrack is not None: |
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+ |
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+ try: |
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+ backtrack = int(myoptions.backtrack) |
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+ except (OverflowError, ValueError): |
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+ backtrack = -1 |
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+ |
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+ if backtrack < 0: |
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+ backtrack = None |
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+ if not silent: |
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+ writemsg("!!! Invalid --backtrack parameter: '%s'\n" % \ |
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+ (myoptions.backtrack,), noiselevel=-1) |
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+ |
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+ myoptions.backtrack = backtrack |
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+ |
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if myoptions.deep is not None: |
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deep = None |
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if myoptions.deep == "True": |
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