implement repo.logo and repo.logo-link

Allow for per repo logo and logo-link; Use global logo and logo-link per
default.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

cgit.c

@@ -71,9 +71,13 @@ void repo_config(struct cgit_repo *repo, const char *name, const char *value)
 		repo->module_link= xstrdup(value);
 	else if (!strcmp(name, "section"))
 		repo->section = xstrdup(value);
-	else if (!strcmp(name, "readme") && value != NULL) {
+	else if (!strcmp(name, "readme") && value != NULL)
 		repo->readme = xstrdup(value);
-	} else if (ctx.cfg.enable_filter_overrides) {
+	else if (!strcmp(name, "logo") && value != NULL)
+		repo->logo = xstrdup(value);
+	else if (!strcmp(name, "logo-link") && value != NULL)
+		repo->logo_link = xstrdup(value);
+	else if (ctx.cfg.enable_filter_overrides) {
 		if (!strcmp(name, "about-filter"))
 			repo->about_filter = new_filter(value, 0);
 		else if (!strcmp(name, "commit-filter"))

cgit.h

@@ -70,6 +70,8 @@ struct cgit_repo {
 	char *readme;
 	char *section;
 	char *clone_url;
+	char *logo;
+	char *logo_link;
 	int snapshots;
 	int enable_log_filecount;
 	int enable_log_linecount;

cgitrc.5.txt

@@ -370,6 +370,15 @@ repo.enable-subject-links::
 	A flag which can be used to override the global setting
 	`enable-subject-links'. Default value: none.
 
+repo.logo::
+	Url which specifies the source of an image which will be used as a logo
+	on this repo's pages. Default value: global logo.
+
+repo.logo-link::
+	Url loaded when clicking on the cgit logo image. If unspecified the
+	calculated url of the repository index page will be used. Default
+	value: global logo-link.
+
 repo.max-stats::
 	Override the default maximum statistics period. Valid values are equal
 	to the values specified for the global "max-stats" setting. Default

ui-shared.c

@@ -756,17 +756,27 @@ static void cgit_print_path_crumbs(struct cgit_context *ctx, char *path)
 
 static void print_header(struct cgit_context *ctx)
 {
+	char *logo = NULL, *logo_link = NULL;
+
 	html("<table id='header'>\n");
 	html("<tr>\n");
 
-	if (ctx->cfg.logo && ctx->cfg.logo[0] != 0) {
+	if (ctx->repo && ctx->repo->logo && *ctx->repo->logo)
+		logo = ctx->repo->logo;
+	else
+		logo = ctx->cfg.logo;
+	if (ctx->repo && ctx->repo->logo_link && *ctx->repo->logo_link)
+		logo_link = ctx->repo->logo_link;
+	else
+		logo_link = ctx->cfg.logo_link;
+	if (logo && *logo) {
 		html("<td class='logo' rowspan='2'><a href='");
-		if (ctx->cfg.logo_link)
-			html_attr(ctx->cfg.logo_link);
+		if (logo_link && *logo_link)
+			html_attr(logo_link);
 		else
 			html_attr(cgit_rooturl());
 		html("'><img src='");
-		html_attr(ctx->cfg.logo);
+		html_attr(logo);
 		html("' alt='cgit logo'/></a></td>\n");
 	}