From: Junio C Hamano <gitster@pobox.com>
To: Alex Henrie <alexhenrie24@gmail.com>
Cc: git@vger.kernel.org, paulus@ozlabs.org
Subject: Re: [PATCH v3 2/4] log: add a --no-graph option
Date: Fri, 11 Feb 2022 11:02:11 -0800 [thread overview]
Message-ID: <xmqqa6exb51o.fsf@gitster.g> (raw)
In-Reply-To: <20220211163627.598166-2-alexhenrie24@gmail.com> (Alex Henrie's message of "Fri, 11 Feb 2022 09:36:25 -0700")
Alex Henrie <alexhenrie24@gmail.com> writes:
> It's useful to be able to countermand a previous --graph option, for
> example if `git log --graph` is run via an alias.
>
> Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
> ---
> v3: don't pass a regular expression with parentheses to grep, so that
> the tests pass in all configurations on GitHub
> ---
> builtin/blame.c | 1 +
> builtin/shortlog.c | 1 +
> revision.c | 19 ++++++++++---
> revision.h | 1 +
> t/t4202-log.sh | 69 ++++++++++++++++++++++++++++++++++++++++++++++
> 5 files changed, 87 insertions(+), 4 deletions(-)
>
> diff --git a/builtin/blame.c b/builtin/blame.c
> index 7fafeac408..ef831de5ac 100644
> --- a/builtin/blame.c
> +++ b/builtin/blame.c
> @@ -934,6 +934,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
> parse_revision_opt(&revs, &ctx, options, blame_opt_usage);
> }
> parse_done:
> + revision_opts_finish(&revs);
This ...
> diff --git a/builtin/shortlog.c b/builtin/shortlog.c
> index e7f7af5de3..228d782754 100644
> --- a/builtin/shortlog.c
> +++ b/builtin/shortlog.c
> @@ -388,6 +388,7 @@ int cmd_shortlog(int argc, const char **argv, const char *prefix)
> parse_revision_opt(&rev, &ctx, options, shortlog_usage);
> }
> parse_done:
> + revision_opts_finish(&rev);
> argc = parse_options_end(&ctx);
>
> if (nongit && argc > 1) {
... and this. It is a bit scary that we have to make sure all the
users of parse_revision_opt() users need to call this new helper.
Didn't we recently gain new documentation to help novices write
their first revision-traversal-API-using program? Does it need to
be updated for this change (I didn't check)?
> diff --git a/revision.c b/revision.c
> index 816061f3d9..a39fd1c278 100644
> --- a/revision.c
> +++ b/revision.c
> @@ -2424,10 +2424,11 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
> revs->pretty_given = 1;
> revs->abbrev_commit = 1;
> } else if (!strcmp(arg, "--graph")) {
> - revs->topo_order = 1;
> - revs->rewrite_parents = 1;
> graph_clear(revs->graph);
> revs->graph = graph_init(revs);
> + } else if (!strcmp(arg, "--no-graph")) {
> + graph_clear(revs->graph);
> + revs->graph = NULL;
> } else if (!strcmp(arg, "--encode-email-headers")) {
> revs->encode_email_headers = 1;
> } else if (!strcmp(arg, "--no-encode-email-headers")) {
> @@ -2524,8 +2525,6 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
> unkv[(*unkc)++] = arg;
> return opts;
> }
> - if (revs->graph && revs->track_linear)
> - die(_("options '%s' and '%s' cannot be used together"), "--show-linear-break", "--graph");
>
> return 1;
> }
As a later "--no" can clear an earlier "--graph", we cannot
incrementally check if options are compatible, until the end, at
which time we can be sure that "--graph" is being asked.
> +void revision_opts_finish(struct rev_info *revs)
> +{
> + if (revs->graph && revs->track_linear)
> + die(_("options '%s' and '%s' cannot be used together"), "--show-linear-break", "--graph");
Inherited from the original, but we may want to wrap this line.
> + if (revs->graph) {
> + revs->topo_order = 1;
> + revs->rewrite_parents = 1;
> + }
> +}
> +
OK.
> @@ -2786,6 +2796,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
> break;
> }
> }
> + revision_opts_finish(revs);
OK.
Will queue. Thanks.
next prev parent reply other threads:[~2022-02-11 19:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-11 16:36 [PATCH v3 1/4] log: fix memory leak if --graph is passed multiple times Alex Henrie
2022-02-11 16:36 ` [PATCH v3 2/4] log: add a --no-graph option Alex Henrie
2022-02-11 19:02 ` Junio C Hamano [this message]
2022-02-11 19:20 ` Alex Henrie
2022-02-11 16:36 ` [PATCH v3 3/4] log: add a log.graph config option Alex Henrie
2022-02-11 16:36 ` [PATCH v3 4/4] gitk: pass --no-graph to `git log` Alex Henrie
2022-02-11 18:12 ` Junio C Hamano
2022-02-11 19:05 ` Alex Henrie
2022-02-11 19:20 ` Junio C Hamano
2022-02-11 20:00 ` Junio C Hamano
2022-02-11 20:11 ` Alex Henrie
2022-02-11 20:08 ` Alex Henrie
2022-02-11 18:51 ` [PATCH v3 1/4] log: fix memory leak if --graph is passed multiple times Junio C Hamano
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