ui-repolist: handle empty sections similar to NULL sections

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

2 files changed, 12 insertions, 7 deletions

diff --git a/cgit.c b/cgit.c
index e281aa9..167b5dd 100644
--- a/cgit.c
+++ b/cgit.c
@@ -144,256 +144,257 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.cache_root_ttl = atoi(value);
 	else if (!strcmp(name, "cache-repo-ttl"))
 		ctx.cfg.cache_repo_ttl = atoi(value);
 	else if (!strcmp(name, "cache-scanrc-ttl"))
 		ctx.cfg.cache_scanrc_ttl = atoi(value);
 	else if (!strcmp(name, "cache-static-ttl"))
 		ctx.cfg.cache_static_ttl = atoi(value);
 	else if (!strcmp(name, "cache-dynamic-ttl"))
 		ctx.cfg.cache_dynamic_ttl = atoi(value);
 	else if (!strcmp(name, "about-filter"))
 		ctx.cfg.about_filter = new_filter(value, 0);
 	else if (!strcmp(name, "commit-filter"))
 		ctx.cfg.commit_filter = new_filter(value, 0);
 	else if (!strcmp(name, "embedded"))
 		ctx.cfg.embedded = atoi(value);
 	else if (!strcmp(name, "max-message-length"))
 		ctx.cfg.max_msg_len = atoi(value);
 	else if (!strcmp(name, "max-repodesc-length"))
 		ctx.cfg.max_repodesc_len = atoi(value);
 	else if (!strcmp(name, "max-repo-count"))
 		ctx.cfg.max_repo_count = atoi(value);
 	else if (!strcmp(name, "max-commit-count"))
 		ctx.cfg.max_commit_count = atoi(value);
 	else if (!strcmp(name, "scan-path"))
 		if (!ctx.cfg.nocache && ctx.cfg.cache_size)
 			process_cached_repolist(value);
 		else
 			scan_tree(value, repo_config);
 	else if (!strcmp(name, "source-filter"))
 		ctx.cfg.source_filter = new_filter(value, 1);
 	else if (!strcmp(name, "summary-log"))
 		ctx.cfg.summary_log = atoi(value);
 	else if (!strcmp(name, "summary-branches"))
 		ctx.cfg.summary_branches = atoi(value);
 	else if (!strcmp(name, "summary-tags"))
 		ctx.cfg.summary_tags = atoi(value);
 	else if (!strcmp(name, "agefile"))
 		ctx.cfg.agefile = xstrdup(value);
 	else if (!strcmp(name, "renamelimit"))
 		ctx.cfg.renamelimit = atoi(value);
 	else if (!strcmp(name, "robots"))
 		ctx.cfg.robots = xstrdup(value);
 	else if (!strcmp(name, "clone-prefix"))
 		ctx.cfg.clone_prefix = xstrdup(value);
 	else if (!strcmp(name, "local-time"))
 		ctx.cfg.local_time = atoi(value);
 	else if (!prefixcmp(name, "mimetype."))
 		add_mimetype(name + 9, value);
 	else if (!strcmp(name, "include"))
 		parse_configfile(value, config_cb);
 }
 
 static void querystring_cb(const char *name, const char *value)
 {
 	if (!value)
 		value = "";
 
 	if (!strcmp(name,"r")) {
 		ctx.qry.repo = xstrdup(value);
 		ctx.repo = cgit_get_repoinfo(value);
 	} else if (!strcmp(name, "p")) {
 		ctx.qry.page = xstrdup(value);
 	} else if (!strcmp(name, "url")) {
 		ctx.qry.url = xstrdup(value);
 		cgit_parse_url(value);
 	} else if (!strcmp(name, "qt")) {
 		ctx.qry.grep = xstrdup(value);
 	} else if (!strcmp(name, "q")) {
 		ctx.qry.search = xstrdup(value);
 	} else if (!strcmp(name, "h")) {
 		ctx.qry.head = xstrdup(value);
 		ctx.qry.has_symref = 1;
 	} else if (!strcmp(name, "id")) {
 		ctx.qry.sha1 = xstrdup(value);
 		ctx.qry.has_sha1 = 1;
 	} else if (!strcmp(name, "id2")) {
 		ctx.qry.sha2 = xstrdup(value);
 		ctx.qry.has_sha1 = 1;
 	} else if (!strcmp(name, "ofs")) {
 		ctx.qry.ofs = atoi(value);
 	} else if (!strcmp(name, "path")) {
 		ctx.qry.path = trim_end(value, '/');
 	} else if (!strcmp(name, "name")) {
 		ctx.qry.name = xstrdup(value);
 	} else if (!strcmp(name, "mimetype")) {
 		ctx.qry.mimetype = xstrdup(value);
 	} else if (!strcmp(name, "s")){
 		ctx.qry.sort = xstrdup(value);
 	} else if (!strcmp(name, "showmsg")) {
 		ctx.qry.showmsg = atoi(value);
 	} else if (!strcmp(name, "period")) {
 		ctx.qry.period = xstrdup(value);
 	}
 }
 
 char *xstrdupn(const char *str)
 {
 	return (str ? xstrdup(str) : NULL);
 }
 
 static void prepare_context(struct cgit_context *ctx)
 {
 	memset(ctx, 0, sizeof(ctx));
 	ctx->cfg.agefile = "info/web/last-modified";
 	ctx->cfg.nocache = 0;
 	ctx->cfg.cache_size = 0;
 	ctx->cfg.cache_dynamic_ttl = 5;
 	ctx->cfg.cache_max_create_time = 5;
 	ctx->cfg.cache_repo_ttl = 5;
 	ctx->cfg.cache_root = CGIT_CACHE_ROOT;
 	ctx->cfg.cache_root_ttl = 5;
 	ctx->cfg.cache_scanrc_ttl = 15;
 	ctx->cfg.cache_static_ttl = -1;
 	ctx->cfg.css = "/cgit.css";
 	ctx->cfg.logo = "/cgit.png";
 	ctx->cfg.local_time = 0;
 	ctx->cfg.max_repo_count = 50;
 	ctx->cfg.max_commit_count = 50;
 	ctx->cfg.max_lock_attempts = 5;
 	ctx->cfg.max_msg_len = 80;
 	ctx->cfg.max_repodesc_len = 80;
 	ctx->cfg.max_stats = 0;
 	ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
 	ctx->cfg.renamelimit = -1;
 	ctx->cfg.robots = "index, nofollow";
 	ctx->cfg.root_title = "Git repository browser";
 	ctx->cfg.root_desc = "a fast webinterface for the git dscm";
 	ctx->cfg.script_name = CGIT_SCRIPT_NAME;
+	ctx->cfg.section = "";
 	ctx->cfg.summary_branches = 10;
 	ctx->cfg.summary_log = 10;
 	ctx->cfg.summary_tags = 10;
 	ctx->env.cgit_config = xstrdupn(getenv("CGIT_CONFIG"));
 	ctx->env.http_host = xstrdupn(getenv("HTTP_HOST"));
 	ctx->env.https = xstrdupn(getenv("HTTPS"));
 	ctx->env.no_http = xstrdupn(getenv("NO_HTTP"));
 	ctx->env.path_info = xstrdupn(getenv("PATH_INFO"));
 	ctx->env.query_string = xstrdupn(getenv("QUERY_STRING"));
 	ctx->env.request_method = xstrdupn(getenv("REQUEST_METHOD"));
 	ctx->env.script_name = xstrdupn(getenv("SCRIPT_NAME"));
 	ctx->env.server_name = xstrdupn(getenv("SERVER_NAME"));
 	ctx->env.server_port = xstrdupn(getenv("SERVER_PORT"));
 	ctx->page.mimetype = "text/html";
 	ctx->page.charset = PAGE_ENCODING;
 	ctx->page.filename = NULL;
 	ctx->page.size = 0;
 	ctx->page.modified = time(NULL);
 	ctx->page.expires = ctx->page.modified;
 	ctx->page.etag = NULL;
 	memset(&ctx->cfg.mimetypes, 0, sizeof(struct string_list));
 	if (ctx->env.script_name)
 		ctx->cfg.script_name = ctx->env.script_name;
 	if (ctx->env.query_string)
 		ctx->qry.raw = ctx->env.query_string;
 	if (!ctx->env.cgit_config)
 		ctx->env.cgit_config = CGIT_CONFIG;
 }
 
 struct refmatch {
 	char *req_ref;
 	char *first_ref;
 	int match;
 };
 
 int find_current_ref(const char *refname, const unsigned char *sha1,
 		     int flags, void *cb_data)
 {
 	struct refmatch *info;
 
 	info = (struct refmatch *)cb_data;
 	if (!strcmp(refname, info->req_ref))
 		info->match = 1;
 	if (!info->first_ref)
 		info->first_ref = xstrdup(refname);
 	return info->match;
 }
 
 char *find_default_branch(struct cgit_repo *repo)
 {
 	struct refmatch info;
 	char *ref;
 
 	info.req_ref = repo->defbranch;
 	info.first_ref = NULL;
 	info.match = 0;
 	for_each_branch_ref(find_current_ref, &info);
 	if (info.match)
 		ref = info.req_ref;
 	else
 		ref = info.first_ref;
 	if (ref)
 		ref = xstrdup(ref);
 	return ref;
 }
 
 static int prepare_repo_cmd(struct cgit_context *ctx)
 {
 	char *tmp;
 	unsigned char sha1[20];
 	int nongit = 0;
 
 	setenv("GIT_DIR", ctx->repo->path, 1);
 	setup_git_directory_gently(&nongit);
 	if (nongit) {
 		ctx->page.title = fmt("%s - %s", ctx->cfg.root_title,
 				      "config error");
 		tmp = fmt("Not a git repository: '%s'", ctx->repo->path);
 		ctx->repo = NULL;
 		cgit_print_http_headers(ctx);
 		cgit_print_docstart(ctx);
 		cgit_print_pageheader(ctx);
 		cgit_print_error(tmp);
 		cgit_print_docend();
 		return 1;
 	}
 	ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
 
 	if (!ctx->qry.head) {
 		ctx->qry.nohead = 1;
 		ctx->qry.head = find_default_branch(ctx->repo);
 		ctx->repo->defbranch = ctx->qry.head;
 	}
 
 	if (!ctx->qry.head) {
 		cgit_print_http_headers(ctx);
 		cgit_print_docstart(ctx);
 		cgit_print_pageheader(ctx);
 		cgit_print_error("Repository seems to be empty");
 		cgit_print_docend();
 		return 1;
 	}
 
 	if (get_sha1(ctx->qry.head, sha1)) {
 		tmp = xstrdup(ctx->qry.head);
 		ctx->qry.head = ctx->repo->defbranch;
 		ctx->page.status = 404;
 		ctx->page.statusmsg = "not found";
 		cgit_print_http_headers(ctx);
 		cgit_print_docstart(ctx);
 		cgit_print_pageheader(ctx);
 		cgit_print_error(fmt("Invalid branch: %s", tmp));
 		cgit_print_docend();
 		return 1;
 	}
 	return 0;
 }
 
 static void process_request(void *cbdata)
 {
 	struct cgit_context *ctx = cbdata;
 	struct cgit_cmd *cmd;
 
 	cmd = cgit_get_cmd(ctx);
 	if (!cmd) {
 		ctx->page.title = "cgit error";
 		cgit_print_http_headers(ctx);
 		cgit_print_docstart(ctx);
diff --git a/ui-repolist.c b/ui-repolist.c
index d56654d..3ef2e99 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -92,209 +92,213 @@ int is_in_url(struct cgit_repo *repo)
 	return 0;
 }
 
 void print_sort_header(const char *title, const char *sort)
 {
 	htmlf("<th class='left'><a href='./?s=%s", sort);
 	if (ctx.qry.search) {
 		html("&q=");
 		html_url_arg(ctx.qry.search);
 	}
 	htmlf("'>%s</a></th>", title);
 }
 
 void print_header(int columns)
 {
 	html("<tr class='nohover'>");
 	print_sort_header("Name", "name");
 	print_sort_header("Description", "desc");
 	print_sort_header("Owner", "owner");
 	print_sort_header("Idle", "idle");
 	if (ctx.cfg.enable_index_links)
 		html("<th class='left'>Links</th>");
 	html("</tr>\n");
 }
 
 
 void print_pager(int items, int pagelen, char *search)
 {
 	int i;
 	html("<div class='pager'>");
 	for(i = 0; i * pagelen < items; i++)
 		cgit_index_link(fmt("[%d]", i+1), fmt("Page %d", i+1), NULL,
 				search, i * pagelen);
 	html("</div>");
 }
 
 static int cmp(const char *s1, const char *s2)
 {
 	if (s1 && s2)
 		return strcmp(s1, s2);
 	if (s1 && !s2)
 		return -1;
 	if (s2 && !s1)
 		return 1;
 	return 0;
 }
 
 static int sort_section(const void *a, const void *b)
 {
 	const struct cgit_repo *r1 = a;
 	const struct cgit_repo *r2 = b;
 	int result;
 
 	result = cmp(r1->section, r2->section);
 	if (!result)
 		result = cmp(r1->name, r2->name);
 	return result;
 }
 
 static int sort_name(const void *a, const void *b)
 {
 	const struct cgit_repo *r1 = a;
 	const struct cgit_repo *r2 = b;
 
 	return cmp(r1->name, r2->name);
 }
 
 static int sort_desc(const void *a, const void *b)
 {
 	const struct cgit_repo *r1 = a;
 	const struct cgit_repo *r2 = b;
 
 	return cmp(r1->desc, r2->desc);
 }
 
 static int sort_owner(const void *a, const void *b)
 {
 	const struct cgit_repo *r1 = a;
 	const struct cgit_repo *r2 = b;
 
 	return cmp(r1->owner, r2->owner);
 }
 
 static int sort_idle(const void *a, const void *b)
 {
 	const struct cgit_repo *r1 = a;
 	const struct cgit_repo *r2 = b;
 	time_t t1, t2;
 
 	t1 = t2 = 0;
 	get_repo_modtime(r1, &t1);
 	get_repo_modtime(r2, &t2);
 	return t2 - t1;
 }
 
 struct sortcolumn {
 	const char *name;
 	int (*fn)(const void *a, const void *b);
 };
 
 struct sortcolumn sortcolumn[] = {
 	{"section", sort_section},
 	{"name", sort_name},
 	{"desc", sort_desc},
 	{"owner", sort_owner},
 	{"idle", sort_idle},
 	{NULL, NULL}
 };
 
 int sort_repolist(char *field)
 {
 	struct sortcolumn *column;
 
 	for (column = &sortcolumn[0]; column->name; column++) {
 		if (strcmp(field, column->name))
 			continue;
 		qsort(cgit_repolist.repos, cgit_repolist.count,
 			sizeof(struct cgit_repo), column->fn);
 		return 1;
 	}
 	return 0;
 }
 
 
 void cgit_print_repolist()
 {
 	int i, columns = 4, hits = 0, header = 0;
 	char *last_section = NULL;
+	char *section;
 	int sorted = 0;
 
 	if (ctx.cfg.enable_index_links)
 		columns++;
 
 	ctx.page.title = ctx.cfg.root_title;
 	cgit_print_http_headers(&ctx);
 	cgit_print_docstart(&ctx);
 	cgit_print_pageheader(&ctx);
 
 	if (ctx.cfg.index_header)
 		html_include(ctx.cfg.index_header);
 
 	if(ctx.qry.sort)
 		sorted = sort_repolist(ctx.qry.sort);
 	else
 		sort_repolist("section");
 
 	html("<table summary='repository list' class='list nowrap'>");
 	for (i=0; i<cgit_repolist.count; i++) {
 		ctx.repo = &cgit_repolist.repos[i];
 		if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
 			continue;
 		hits++;
 		if (hits <= ctx.qry.ofs)
 			continue;
 		if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
 			continue;
 		if (!header++)
 			print_header(columns);
+		section = ctx.repo->section;
+		if (section && !strcmp(section, ""))
+			section = NULL;
 		if (!sorted &&
-		    ((last_section == NULL && ctx.repo->section != NULL) ||
-		    (last_section != NULL && ctx.repo->section == NULL) ||
-		    (last_section != NULL && ctx.repo->section != NULL &&
-		     strcmp(ctx.repo->section, last_section)))) {
+		    ((last_section == NULL && section != NULL) ||
+		    (last_section != NULL && section == NULL) ||
+		    (last_section != NULL && section != NULL &&
+		     strcmp(section, last_section)))) {
 			htmlf("<tr class='nohover'><td colspan='%d' class='reposection'>",
 			      columns);
-			html_txt(ctx.repo->section);
+			html_txt(section);
 			html("</td></tr>");
-			last_section = ctx.repo->section;
+			last_section = section;
 		}
 		htmlf("<tr><td class='%s'>",
-		      !sorted && ctx.repo->section ? "sublevel-repo" : "toplevel-repo");
+		      !sorted && section ? "sublevel-repo" : "toplevel-repo");
 		cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
 		html("</td><td>");
 		html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
 		html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
 		html_link_close();
 		html("</td><td>");
 		html_txt(ctx.repo->owner);
 		html("</td><td>");
 		print_modtime(ctx.repo);
 		html("</td>");
 		if (ctx.cfg.enable_index_links) {
 			html("<td>");
 			cgit_summary_link("summary", NULL, "button", NULL);
 			cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
 				      0, NULL, NULL, ctx.qry.showmsg);
 			cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
 			html("</td>");
 		}
 		html("</tr>\n");
 	}
 	html("</table>");
 	if (!hits)
 		cgit_print_error("No repositories found");
 	else if (hits > ctx.cfg.max_repo_count)
 		print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search);
 	cgit_print_docend();
 }
 
 void cgit_print_site_readme()
 {
 	if (!ctx.cfg.root_readme)
 		return;
 	if (ctx.cfg.about_filter)
 		cgit_open_filter(ctx.cfg.about_filter);
 	html_include(ctx.cfg.root_readme);
 	if (ctx.cfg.about_filter)
 		cgit_close_filter(ctx.cfg.about_filter);
 }