On Tue, May 09, 2017 at 10:33:39AM +0900, Junio C Hamano wrote:

> >> My patch deals with 'remote.<name>.refspec', i.e. 'remote->fetch'.
> >> Apparently some extra care is necessary for 'remote.<name>.tagOpt' and
> >> 'remote->fetch_tags', too.  Perhaps there are more, I haven't checked
> >> again, and maybe we'll add similar config variables in the future.  So
> >> I don't think that dealing with such config variables one by one in
> >> 'git clone', too, is the right long-term solution...  but perhaps it's
> >> sufficient for the time being?
> >
> > I think your patch is a strict improvement and we don't need to hold up
> > waiting for a perfect fix (and because of the --single-branch thing you
> > mentioned, this may be the best we can do anyway).
> 
> OK, so where does this patch stand now?  It already is too late for
> the upcoming release, but should we merge it to 'next' once the
> release is made, cook it in 'next' and shoot for the next release
> as-is, or do we want to allow minor tweaks before it hits 'next'?

I'd be OK with it as-is, but here are my nitpicks as a diff (keep the
assignment of refspec_count in one place, and free fetch_patterns as
soon as it is no longer used).

I actually think it might be nice to pull the whole thing out into its
own function, but the parameters it takes would be oddly specific.

diff --git a/builtin/clone.c b/builtin/clone.c
index 0630202c8..577529a11 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -861,7 +861,7 @@ int cmd_clone(int argc, const char **argv, const char 
*prefix)
        int err = 0, complete_refs_before_fetch = 1;
 
        struct refspec *refspec;
-       unsigned int refspec_count = 1;
+       unsigned int refspec_count;
        const char **fetch_patterns;
        const struct string_list *config_fetch_patterns;
 
@@ -994,6 +994,8 @@ int cmd_clone(int argc, const char **argv, const char 
*prefix)
        config_fetch_patterns = git_config_get_value_multi(key.buf);
        if (config_fetch_patterns)
                refspec_count = 1 + config_fetch_patterns->nr;
+       else
+               refspec_count = 1;
        fetch_patterns = xcalloc(refspec_count, sizeof(*fetch_patterns));
        fetch_patterns[0] = value.buf;
        if (config_fetch_patterns) {
@@ -1003,6 +1005,7 @@ int cmd_clone(int argc, const char **argv, const char 
*prefix)
                        fetch_patterns[i++] = fp->string;
        }
        refspec = parse_fetch_refspec(refspec_count, fetch_patterns);
+       free(fetch_patterns);
 
        strbuf_reset(&key);
        strbuf_reset(&value);
@@ -1129,7 +1132,6 @@ int cmd_clone(int argc, const char **argv, const char 
*prefix)
        strbuf_release(&value);
        junk_mode = JUNK_LEAVE_ALL;
 
-       free(fetch_patterns);
        free(refspec);
        return err;
 }

-Peff

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