diff options
Diffstat (limited to 'pym/portage/package/ebuild/_config/helper.py')
| -rw-r--r-- | pym/portage/package/ebuild/_config/helper.py | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/pym/portage/package/ebuild/_config/helper.py b/pym/portage/package/ebuild/_config/helper.py index 00e2dfabc..c29b95e14 100644 --- a/pym/portage/package/ebuild/_config/helper.py +++ b/pym/portage/package/ebuild/_config/helper.py @@ -2,7 +2,7 @@ # Distributed under the terms of the GNU General Public License v2 __all__ = ( - 'ordered_by_atom_specificity', + 'ordered_by_atom_specificity', 'prune_incremental', ) from portage.dep import best_match_to_list @@ -40,3 +40,22 @@ def ordered_by_atom_specificity(cpdict, pkg): results.reverse() return results + +def prune_incremental(split): + """ + Prune off any parts of an incremental variable that are + made irrelevant by the latest occuring * or -*. This + could be more aggressive but that might be confusing + and the point is just to reduce noise a bit. + """ + for i, x in enumerate(reversed(split)): + if x == '*': + split = split[-i-1:] + break + elif x == '-*': + if i == 0: + split = [] + else: + split = split[-i:] + break + return split |