i18n: simplify numeric error reporting

diff --git a/git-difftool--helper.sh b/git-difftool--helper.sh
index 2b11b1d6fe33cf3f61dd35b8f48d6953f7a25bff..7bfb6737dfe7be46f3f29903bef844c3c2b1be11 100755 (executable)
--- a/git-difftool--helper.sh
+++ b/git-difftool--helper.sh
@@ -44,10 +44,10 @@ launch_merge_tool () {
                        "$GIT_DIFF_PATH_TOTAL" "$MERGED"
                if use_ext_cmd
                then
-                       printf "Launch '%s' [Y/n]: " \
+                       printf "Launch '%s' [Y/n]? " \
                                "$GIT_DIFFTOOL_EXTCMD"
                else
-                       printf "Launch '%s' [Y/n]: " "$merge_tool"
+                       printf "Launch '%s' [Y/n]? " "$merge_tool"
                fi
                read ans || return
                if test "$ans" = n
@@ -86,6 +86,13 @@ else
        do
                launch_merge_tool "$1" "$2" "$5"
                status=$?
+               if test $status -ge 126
+               then
+                       # Command not found (127), not executable (126) or
+                       # exited via a signal (>= 128).
+                       exit $status
+               fi
+
                if test "$status" != 0 &&
                        test "$GIT_DIFFTOOL_TRUST_EXIT_CODE" = true
                then