unpack-trees: handle lstat failure for existing directory

diff --git a/git-difftool--helper.sh b/git-difftool--helper.sh
index 69f6bcebcbc32a7d34731677cd1baa9fea473085..0594bf7ca54c6b91d5f96dd86d8962e93459d004 100755 (executable)
--- a/git-difftool--helper.sh
+++ b/git-difftool--helper.sh
@@ -3,7 +3,7 @@
 # This script is typically launched by using the 'git difftool'
 # convenience command.
 #
-# Copyright (c) 2009-2010 David Aguilar
+# Copyright (c) 2009, 2010 David Aguilar
 
 TOOL_MODE=diff
 . git-mergetool--lib
@@ -11,7 +11,8 @@ TOOL_MODE=diff
 # difftool.prompt controls the default prompt/no-prompt behavior
 # and is overridden with $GIT_DIFFTOOL*_PROMPT.
 should_prompt () {
-       prompt=$(git config --bool difftool.prompt || echo true)
+       prompt_merge=$(git config --bool mergetool.prompt || echo true)
+       prompt=$(git config --bool difftool.prompt || echo $prompt_merge)
        if test "$prompt" = true; then
                test -z "$GIT_DIFFTOOL_NO_PROMPT"
        else
@@ -48,6 +49,7 @@ launch_merge_tool () {
        fi
 
        if use_ext_cmd; then
+               export BASE
                eval $GIT_DIFFTOOL_EXTCMD '"$LOCAL"' '"$REMOTE"'
        else
                run_merge_tool "$merge_tool"