Merge branch 'maint'

* maint:
  git-svn: change dashed git-commit-tree to git commit-tree
  Documentation: clarify information about 'ident' attribute
  bash completion: add doubledash to "git show"
  Use test-chmtime -v instead of perl in t5000 to get mtime of a file
  Add --verbose|-v to test-chmtime
  asciidoc: add minor workaround to add an empty line after code blocks
  Plug a memleak in builtin-revert
  Add file delete/create info when we overflow rename_limit
  Install git-cvsserver in $(bindir)
  Install git-shell in bindir, too

contrib/completion/git-completion.bash

@@ -1398,6 +1398,8 @@ _git_shortlog ()
 
 _git_show ()
 {
+	__git_has_doubledash && return
+
 	local cur="${COMP_WORDS[COMP_CWORD]}"
 	case "$cur" in
 	--pretty=*)