__git_refs ()
 {
-       local cmd i is_hash=y dir="$(__gitdir "$1")"
+       local i is_hash=y dir="$(__gitdir "$1")"
+       local cur="${COMP_WORDS[COMP_CWORD]}" format refs
        if [ -d "$dir" ]; then
-               if [ -e "$dir/HEAD" ]; then echo HEAD; fi
-               git --git-dir="$dir" for-each-ref --format='%(refname:short)' \
-                       refs/tags refs/heads refs/remotes
+               case "$cur" in
+               refs|refs/*)
+                       format="refname"
+                       refs="${cur%/*}"
+                       ;;
+               *)
+                       if [ -e "$dir/HEAD" ]; then echo HEAD; fi
+                       format="refname:short"
+                       refs="refs/tags refs/heads refs/remotes"
+                       ;;
+               esac
+               git --git-dir="$dir" for-each-ref --format="%($format)" \
+                       $refs
                return
        fi
        for i in $(git ls-remote "$dir" 2>/dev/null); do
 
 _git_bundle ()
 {
-       local mycword="$COMP_CWORD"
-       case "${COMP_WORDS[0]}" in
-       git)
-               local cmd="${COMP_WORDS[2]}"
-               mycword="$((mycword-1))"
-               ;;
-       git-bundle*)
-               local cmd="${COMP_WORDS[1]}"
-               ;;
-       esac
-       case "$mycword" in
-       1)
+       local cmd="${COMP_WORDS[2]}"
+       case "$COMP_CWORD" in
+       2)
                __gitcomp "create list-heads verify unbundle"
                ;;
-       2)
+       3)
                # looking for a file
                ;;
        *)
                        __gitcomp "$(__git_refs)" "$pfx" "${cur#*:}"
                        ;;
                *)
-                       local remote
-                       case "${COMP_WORDS[0]}" in
-                       git-fetch) remote="${COMP_WORDS[1]}" ;;
-                       git)       remote="${COMP_WORDS[2]}" ;;
-                       esac
-                       __gitcomp "$(__git_refs2 "$remote")"
+                       __gitcomp "$(__git_refs2 "${COMP_WORDS[2]}")"
                        ;;
                esac
        fi
        if [ "$COMP_CWORD" = 2 ]; then
                __gitcomp "$(__git_remotes)"
        else
-               local remote
-               case "${COMP_WORDS[0]}" in
-               git-pull)  remote="${COMP_WORDS[1]}" ;;
-               git)       remote="${COMP_WORDS[2]}" ;;
-               esac
-               __gitcomp "$(__git_refs "$remote")"
+               __gitcomp "$(__git_refs "${COMP_WORDS[2]}")"
        fi
 }
 
        else
                case "$cur" in
                *:*)
-                       local remote
-                       case "${COMP_WORDS[0]}" in
-                       git-push)  remote="${COMP_WORDS[1]}" ;;
-                       git)       remote="${COMP_WORDS[2]}" ;;
-                       esac
-
                        local pfx=""
                        case "$COMP_WORDBREAKS" in
                        *:*) : great ;;
                        *)   pfx="${cur%%:*}:" ;;
                        esac
 
-                       __gitcomp "$(__git_refs "$remote")" "$pfx" "${cur#*:}"
+                       __gitcomp "$(__git_refs "${COMP_WORDS[2]}")" "$pfx" "${cur#*:}"
                        ;;
                +*)
                        __gitcomp "$(__git_refs)" + "${cur#+}"
                return
                ;;
        esac
-       COMPREPLY=()
+       __gitcomp "$(__git_refs)"
 }
 
 _git_rm ()
 
 _git_show ()
 {
+       __git_has_doubledash && return
+
        local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --pretty=*)
        -m|-F)
                COMPREPLY=()
                ;;
-       -*|tag|git-tag)
+       -*|tag)
                if [ $f = 1 ]; then
                        __gitcomp "$(__git_tags)"
                else