Merge branch 'maint'

* maint: sha1_file: link() returns -1 on failure, not errno Make git archive respect core.autocrlf when creating zip format archives Add new test to demonstrate git archive core.autocrlf inconsistency gitweb: avoid warnings for commits without body Clarified gitattributes documentation regarding custom hunk header. git-svn: fix handling of even funkier branch names git-svn: Always create a new RA when calling do_switch for svn:// git-svn: factor out svnserve test code for later use diff/diff-files: do not use --cc too aggressively