config: don't implicitly use gitdir or commondir

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 1150164d5ce0e7396191a192189b43444883f739..af658995d55025418c94061842f8d84809b27ef0 100644 (file)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -28,6 +28,14 @@
 # completion style.  For example '!f() { : git commit ; ... }; f' will
 # tell the completion to use commit completion.  This also works with aliases
 # of form "!sh -c '...'".  For example, "!sh -c ': git commit ; ... '".
+#
+# You can set the following environment variables to influence the behavior of
+# the completion routines:
+#
+#   GIT_COMPLETION_CHECKOUT_NO_GUESS
+#
+#     When set to "1", do not include "DWIM" suggestions in git-checkout
+#     completion (e.g., completing "foo" when "origin/foo" exists).
 
 case "$COMP_WORDBREAKS" in
 *:*) : great ;;
@@ -709,6 +717,7 @@ __git_complete_remote_or_refspec ()
                i="${words[c]}"
                case "$i" in
                --mirror) [ "$cmd" = "push" ] && no_complete_refspec=1 ;;
+               -d|--delete) [ "$cmd" = "push" ] && lhs=0 ;;
                --all)
                        case "$cmd" in
                        push) no_complete_refspec=1 ;;
@@ -1248,7 +1257,8 @@ _git_checkout ()
                # check if --track, --no-track, or --no-guess was specified
                # if so, disable DWIM mode
                local flags="--track --no-track --no-guess" track_opt="--track"
-               if [ -n "$(__git_find_on_cmdline "$flags")" ]; then
+               if [ "$GIT_COMPLETION_CHECKOUT_NO_GUESS" = "1" ] ||
+                  [ -n "$(__git_find_on_cmdline "$flags")" ]; then
                        track_opt=''
                fi
                __git_complete_refs $track_opt