[RFC PATCH 2/2] completion: add bash completion for 'filter-branch'

[Denton Liu]

Signed-off-by: Denton Liu <liu.den...@gmail.com>
---
If the last patch (PATCH 1/2) is not included, we can remove the call to
__git_complete_rev_list_command.
---
 contrib/completion/git-completion.bash | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/contrib/completion/git-completion.bash 
b/contrib/completion/git-completion.bash
index 412485369..933dac78b 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1307,6 +1307,23 @@ _git_fetch ()
        __git_complete_remote_or_refspec
 }
 
+__git_filter_branch_options="
+       --env-filter --tree-filter --index-filter --parent-filter --msg-filter
+       --commit-filter --tag-name-filter --subdirectory-filter --prune-empty
+       --original --force
+"
+_git_filter_branch ()
+{
+       __git_has_doubledash && __git_complete_rev_list_command && return
+
+       case "$cur" in
+       --*)
+               __gitcomp "$__git_filter_branch_options"
+               return
+               ;;
+       esac
+}
+
 __git_format_patch_options="
        --stdout --attach --no-attach --thread --thread= --no-thread
        --numbered --start-number --numbered-files --keep-subject --signoff
-- 
2.12.0.1.g5415fdfc5.dirty