t1003-read-tree-prefix.sh: use the $( ... ) construct for command substitution

diff --git a/git-difftool--helper.sh b/git-difftool--helper.sh
index b00ed95dba9c035ee812d3a2d6db2d13a1944a33..7ef36b9482ccc4111f2c888bf5ccbaa2421a5875 100755 (executable)
--- a/git-difftool--helper.sh
+++ b/git-difftool--helper.sh
@@ -40,7 +40,8 @@ launch_merge_tool () {
        # the user with the real $MERGED name before launching $merge_tool.
        if should_prompt
        then
-               printf "\nViewing: '%s'\n" "$MERGED"
+               printf "\nViewing (%s/%s): '%s'\n" "$GIT_DIFF_PATH_COUNTER" \
+                       "$GIT_DIFF_PATH_TOTAL" "$MERGED"
                if use_ext_cmd
                then
                        printf "Launch '%s' [Y/n]: " \