graft: remark on empty graft

filectx: make ancestor require actx When grafting or rebasing, we need to know the target ancestor.

pure/base85: align exception type/msg on base85.c brendan mentioned on IRC that b64decode raises a TypeError too, but while the previous exception type may be better in general, it is much easier to make it behave like the related C code and changes nothing for mercurial itself.

parsers: fix refcount bug on corrupt index When we encounter a corrupt index, we "fail" the init but our destructor still gets called. On some systems, this was causing us to attempt to decref a dangling to self->data.

subrepo: do not traceback on .hgsubstate parsing errors Note that aborting in subrepo.state() prevents "repairing" commands like revert to be issued. The user will have to edit the .hgsubstate manually (but he probably had already otherwise this would not be failing). The same behaviour already happens with invalid .hgsub entries.

subrepo: ignore blank lines in .hgsubstate (issue3424) Reported by Sebastian Krysmanski <infomail@lordb.de>

largefiles: in putlfile, ensure tempfile's directory exists prior to creation Let R be a repo served by an hg daemon on a machine with an empty largefiles cache. Pushing a largefiles repo to R will result in a no-such-file-or-directory OSError because putlfile will attempt to create a temporary file in R/.hg/largefiles, which does not yet exist. This patch also adds a regression test for this scenario.

bisect: save current state before running a command This prevents an external command being run during a bisect from querying stale data.

merge with stable

commands: parse ui.strict config item as bool