completion: use "git -C $there" instead of (cd $there && git ...)

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index dba3c15700fae1ae8a7a43fd7a6ad7a5b9cbd5dd..607792548122eabf014ab696080e0e99c69e8078 100644 (file)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -263,16 +263,12 @@ __gitcomp_file ()
 # argument, and using the options specified in the second argument.
 __git_ls_files_helper ()
 {
-       (
-               test -n "${CDPATH+set}" && unset CDPATH
-               cd "$1"
-               if [ "$2" == "--committable" ]; then
-                       git diff-index --name-only --relative HEAD
-               else
-                       # NOTE: $2 is not quoted in order to support multiple options
-                       git ls-files --exclude-standard $2
-               fi
-       ) 2>/dev/null
+       if [ "$2" == "--committable" ]; then
+               git -C "$1" diff-index --name-only --relative HEAD
+       else
+               # NOTE: $2 is not quoted in order to support multiple options
+               git -C "$1" ls-files --exclude-standard $2
+       fi 2>/dev/null
 }
 
 
@@ -504,7 +500,7 @@ __git_complete_index_file ()
                ;;
        esac
 
-       __gitcomp_file "$(__git_index_files "$1" "$pfx")" "$pfx" "$cur_"
+       __gitcomp_file "$(__git_index_files "$1" ${pfx:+"$pfx"})" "$pfx" "$cur_"
 }
 
 __git_complete_file ()