bash completion: difftool accepts the same options as diff

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 652a47c772a4f251d4925118df74bb3e793a2988..e3ddecc995eb30391639983d9f6f0db7567d7b9a 100755 (executable)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -602,8 +602,12 @@ __git_aliases ()
 {
        local i IFS=$'\n'
        for i in $(git --git-dir="$(__gitdir)" config --get-regexp "alias\..*" 2>/dev/null); do
-               i="${i#alias.}"
-               echo "${i/ */}"
+               case "$i" in
+               alias.*)
+                       i="${i#alias.}"
+                       echo "${i/ */}"
+                       ;;
+               esac
        done
 }
 
@@ -954,6 +958,8 @@ __git_mergetools_common="diffuse ecmerge emerge kdiff3 meld opendiff
 
 _git_difftool ()
 {
+       __git_has_doubledash && return
+
        local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --tool=*)
@@ -961,11 +967,15 @@ _git_difftool ()
                return
                ;;
        --*)
-               __gitcomp "--tool="
+               __gitcomp "--cached --staged --pickaxe-all --pickaxe-regex
+                       --base --ours --theirs
+                       --no-renames --diff-filter= --find-copies-harder
+                       --relative --ignore-submodules
+                       --tool="
                return
                ;;
        esac
-       COMPREPLY=()
+       __git_complete_file
 }
 
 __git_fetch_options="
@@ -1065,7 +1075,8 @@ _git_grep ()
                return
                ;;
        esac
-       COMPREPLY=()
+
+       __gitcomp "$(__git_refs)"
 }
 
 _git_help ()
@@ -1318,8 +1329,18 @@ _git_rebase ()
        fi
        __git_complete_strategy && return
        case "$cur" in
+       --whitespace=*)
+               __gitcomp "$__git_whitespacelist" "" "${cur##--whitespace=}"
+               return
+               ;;
        --*)
-               __gitcomp "--onto --merge --strategy --interactive"
+               __gitcomp "
+                       --onto --merge --strategy --interactive
+                       --preserve-merges --stat --no-stat
+                       --committer-date-is-author-date --ignore-date
+                       --ignore-whitespace --whitespace=
+                       "
+
                return
        esac
        __gitcomp "$(__git_refs)"
@@ -1794,6 +1815,11 @@ _git_remote ()
        esac
 }
 
+_git_replace ()
+{
+       __gitcomp "$(__git_refs)"
+}
+
 _git_reset ()
 {
        __git_has_doubledash && return
@@ -2162,6 +2188,7 @@ _git ()
        push)        _git_push ;;
        rebase)      _git_rebase ;;
        remote)      _git_remote ;;
+       replace)     _git_replace ;;
        reset)       _git_reset ;;
        revert)      _git_revert ;;
        rm)          _git_rm ;;