Re: [PATCH] Teach/Fix git-pull/git-merge --quiet and --verbose

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Tuncer Ayaz <tuncer.ayaz@xxxxxxxxx> wrote:
> After fixing clone -q I noticed that pull -q is does not do what
> it's supposed to do and implemented --quiet/--verbose by
> adding it to builtin-merge and fixing two places in builtin-fetch.
 
> diff --git a/builtin-merge.c b/builtin-merge.c
> index 38266ba..1f601d4 100644
> --- a/builtin-merge.c
> +++ b/builtin-merge.c
> @@ -101,7 +102,7 @@ static struct strategy *get_strategy(const char *name)
>  			struct cmdname *ent = main_cmds.names[i];
>  			for (j = 0; j < ARRAY_SIZE(all_strategy); j++)
>  				if (!strncmp(ent->name, all_strategy[j].name, ent->len)
> -						&& !all_strategy[j].name[ent->len])
> +					&& !all_strategy[j].name[ent->len])

This hunk seems to just be whitespace formatting.  I'd rather not
see it in a patch that is otherwise about --quiet/--verbose changes.
One change per patch, please.  ;-)

> @@ -282,18 +287,20 @@ static void squash_message(void)
>  	if (prepare_revision_walk(&rev))
>  		die("revision walk setup failed");
> 
> -	strbuf_init(&out, 0);
> -	strbuf_addstr(&out, "Squashed commit of the following:\n");
> -	while ((commit = get_revision(&rev)) != NULL) {
> -		strbuf_addch(&out, '\n');
> -		strbuf_addf(&out, "commit %s\n",
> -			sha1_to_hex(commit->object.sha1));
> -		pretty_print_commit(rev.commit_format, commit, &out, rev.abbrev,
> -			NULL, NULL, rev.date_mode, 0);
> +	if(verbose || !quiet) {
> +		strbuf_init(&out, 0);
> +		strbuf_addstr(&out, "Squashed commit of the following:\n");
> +		while ((commit = get_revision(&rev)) != NULL) {
> +			strbuf_addch(&out, '\n');
> +			strbuf_addf(&out, "commit %s\n",
> +						sha1_to_hex(commit->object.sha1));
> +			pretty_print_commit(rev.commit_format, commit, &out, rev.abbrev,
> +								NULL, NULL, rev.date_mode, 0);
> +		}
> +		write(fd, out.buf, out.len);
> +		close(fd);
> +		strbuf_release(&out);
>  	}
> -	write(fd, out.buf, out.len);
> -	close(fd);
> -	strbuf_release(&out);

This entire hunk strikes me as being completely wrong.  The fd
we are writing to is SQUASH_MSG.  It was opened earlier in the
function and should be closed, even if we put nothing into the
file.  Your change causes --quiet to leak the file descriptor.

But even worse, I think your change causes SQUASH_MSG to lose its
entire content, which makes "git merge --quiet --squash" behave
very differently from what it does today, where it at least gives
you a summary of the commits in the SQUASH_MSG file.

IMHO this hunk shouldn't be here.

> @@ -877,6 +885,8 @@ int cmd_merge(int argc, const char **argv, const
> char *prefix)
> 
>  	argc = parse_options(argc, argv, builtin_merge_options,
>  			builtin_merge_usage, 0);
> +	if(!verbose && quiet)
> +		show_diffstat = 0;

Formatting nit, use "if (".

> @@ -1019,11 +1029,11 @@ int cmd_merge(int argc, const char **argv,
> const char *prefix)
>  		char hex[41];
> 
>  		strcpy(hex, find_unique_abbrev(head, DEFAULT_ABBREV));
> -
> -		printf("Updating %s..%s\n",
> -			hex,
> -			find_unique_abbrev(remoteheads->item->object.sha1,
> -			DEFAULT_ABBREV));
> +		if(verbose || !quiet)

Formatting nit, use "if (".

> diff --git a/git-pull.sh b/git-pull.sh
> index 75c3610..d84ceb5 100755
> --- a/git-pull.sh
> +++ b/git-pull.sh
> @@ -16,13 +16,17 @@ cd_to_toplevel
>  test -z "$(git ls-files -u)" ||
>  	die "You are in the middle of a conflicted merge."
> 
> -strategy_args= no_stat= no_commit= squash= no_ff= log_arg=
> +quiet= verbose= strategy_args= no_stat= no_commit= squash= no_ff= log_arg=

This line got a little long, maybe put the two new ones on a new
line so we don't overrun the 80 column margin and there's an easier
to read diff?

-- 
Shawn.
--
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