[PATCH 1/1] ui-log: highlight annotated tags in different color

[john at keeping.me.uk (John Keeping)]

On Tue, Jun 05, 2018 at 12:47:52PM +0200, Christian Hesse wrote:
> Signed-off-by: Christian Hesse <mail at eworm.de>

Can you say a little about why this is desirable as a feature?

> ---
>  cgit.css | 8 ++++++++
>  ui-log.c | 7 ++++++-
>  2 files changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/cgit.css b/cgit.css
> index 217a05a..05c4530 100644
> --- a/cgit.css
> +++ b/cgit.css
> @@ -685,6 +685,14 @@ div#cgit a.tag-deco {
>  	border: solid 1px #777700;
>  }
>  
> +div#cgit a.tag-annotated-deco {
> +	color: #000;
> +	margin: 0px 0.5em;
> +	padding: 0px 0.25em;
> +	background-color: #ffcc88;
> +	border: solid 1px #777700;
> +}
> +
>  div#cgit a.remote-deco {
>  	color: #000;
>  	margin: 0px 0.5em;
> diff --git a/ui-log.c b/ui-log.c
> index 8e36fba..b8344a8 100644
> --- a/ui-log.c
> +++ b/ui-log.c
> @@ -56,8 +56,10 @@ static void inspect_files(struct diff_filepair *pair)
>  
>  void show_commit_decorations(struct commit *commit)
>  {
> +	struct object_id peeled;
>  	const struct name_decoration *deco;
>  	static char buf[1024];
> +	int is_annotated;

The two new declarations could be moved ...

>  	buf[sizeof(buf) - 1] = 0;
>  	deco = get_name_decoration(&commit->object);
> @@ -65,6 +67,7 @@ void show_commit_decorations(struct commit *commit)
>  		return;
>  	html("<span class='decoration'>");
>  	while (deco) {
> +		is_annotated = 0;

... here, which will make it more obvious that is_annotated is being
initialized correctly (it took me a minute to spot this and I initially
worried that is_annotated was used without initialization if peel_ref
fails).

>  		strncpy(buf, prettify_refname(deco->name), sizeof(buf) - 1);
>  		switch(deco->type) {
>  		case DECORATION_NONE:
> @@ -77,7 +80,9 @@ void show_commit_decorations(struct commit *commit)
>  				ctx.qry.showmsg, 0);
>  			break;
>  		case DECORATION_REF_TAG:
> -			cgit_tag_link(buf, NULL, "tag-deco", buf);
> +			if (!peel_ref(deco->name, &peeled))
> +				is_annotated = !oidcmp(&commit->object.oid, &peeled);
> +			cgit_tag_link(buf, NULL, is_annotated ? "tag-annotated-deco" : "tag-deco", buf);
>  			break;
>  		case DECORATION_REF_REMOTE:
>  			if (!ctx.repo->enable_remote_branches)