Re: [PATCH] sequencer: cleanup for gcc 8.2.1 warning

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On Wed, Oct 24, 2018 at 11:22 PM Junio C Hamano <gitster@xxxxxxxxx> wrote:
> and they would read naturally.  But may be it is a bit too cute an
> idea?  I dunno.

my first idea was to replace it with a helper called touch_file, since
I was expecting it will be a popular operation as flag files are
common in shell scripts and that name will be second nature to anyone
porting them.

the fact that the quiet flag was created with a single '\n' in the
code just immediately above this make me go for the proposed
"solution" instead (which I verified wouldn't change behaviour as you
described in your post; I apologize for not documenting it in the
commit and wasting your time).

would something like this work better? (not to apply, and probably mangled)

--- a/sequencer.c
+++ b/sequencer.c
@@ -35,6 +35,8 @@

 #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION"

+#define touch_file(path) write_file(path, "%s", "")
+
 const char sign_off_header[] = "Signed-off-by: ";
 static const char cherry_picked_prefix[] = "(cherry picked from commit ";

@@ -2389,7 +2391,7 @@ int write_basic_state(struct replay_opts *opts,
const char *head_name,
                write_file(rebase_path_quiet(), "\n");

        if (opts->verbose)
-               write_file(rebase_path_verbose(), "");
+               touch_file(rebase_path_verbose());
        if (opts->strategy)
                write_file(rebase_path_strategy(), "%s\n", opts->strategy);
        if (opts->xopts_nr > 0)



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