merge(third_party/cgit): Import at master of 2020-01-11 r/371

Imported commit '723dc8fbcb1a4609c264758eae420ee2811a2b55' as
'third_party/cgit'.

1 files changed, 379 insertions, 0 deletions

diff --git a/third_party/cgit/ui-repolist.c b/third_party/cgit/ui-repolist.c
new file mode 100644
index 000000000000..7cf763891fcc
--- /dev/null
+++ b/third_party/cgit/ui-repolist.c
@@ -0,0 +1,379 @@
+/* ui-repolist.c: functions for generating the repolist page
+ *
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
+ *
+ * Licensed under GNU General Public License v2
+ *   (see COPYING for full license text)
+ */
+
+#include "cgit.h"
+#include "ui-repolist.h"
+#include "html.h"
+#include "ui-shared.h"
+
+static time_t read_agefile(const char *path)
+{
+	time_t result;
+	size_t size;
+	char *buf = NULL;
+	struct strbuf date_buf = STRBUF_INIT;
+
+	if (readfile(path, &buf, &size)) {
+		free(buf);
+		return -1;
+	}
+
+	if (parse_date(buf, &date_buf) == 0)
+		result = strtoul(date_buf.buf, NULL, 10);
+	else
+		result = 0;
+	free(buf);
+	strbuf_release(&date_buf);
+	return result;
+}
+
+static int get_repo_modtime(const struct cgit_repo *repo, time_t *mtime)
+{
+	struct strbuf path = STRBUF_INIT;
+	struct stat s;
+	struct cgit_repo *r = (struct cgit_repo *)repo;
+
+	if (repo->mtime != -1) {
+		*mtime = repo->mtime;
+		return 1;
+	}
+	strbuf_addf(&path, "%s/%s", repo->path, ctx.cfg.agefile);
+	if (stat(path.buf, &s) == 0) {
+		*mtime = read_agefile(path.buf);
+		if (*mtime) {
+			r->mtime = *mtime;
+			goto end;
+		}
+	}
+
+	strbuf_reset(&path);
+	strbuf_addf(&path, "%s/refs/heads/%s", repo->path,
+		    repo->defbranch ? repo->defbranch : "master");
+	if (stat(path.buf, &s) == 0) {
+		*mtime = s.st_mtime;
+		r->mtime = *mtime;
+		goto end;
+	}
+
+	strbuf_reset(&path);
+	strbuf_addf(&path, "%s/%s", repo->path, "packed-refs");
+	if (stat(path.buf, &s) == 0) {
+		*mtime = s.st_mtime;
+		r->mtime = *mtime;
+		goto end;
+	}
+
+	*mtime = 0;
+	r->mtime = *mtime;
+end:
+	strbuf_release(&path);
+	return (r->mtime != 0);
+}
+
+static void print_modtime(struct cgit_repo *repo)
+{
+	time_t t;
+	if (get_repo_modtime(repo, &t))
+		cgit_print_age(t, 0, -1);
+}
+
+static int is_match(struct cgit_repo *repo)
+{
+	if (!ctx.qry.search)
+		return 1;
+	if (repo->url && strcasestr(repo->url, ctx.qry.search))
+		return 1;
+	if (repo->name && strcasestr(repo->name, ctx.qry.search))
+		return 1;
+	if (repo->desc && strcasestr(repo->desc, ctx.qry.search))
+		return 1;
+	if (repo->owner && strcasestr(repo->owner, ctx.qry.search))
+		return 1;
+	return 0;
+}
+
+static int is_in_url(struct cgit_repo *repo)
+{
+	if (!ctx.qry.url)
+		return 1;
+	if (repo->url && starts_with(repo->url, ctx.qry.url))
+		return 1;
+	return 0;
+}
+
+static int is_visible(struct cgit_repo *repo)
+{
+	if (repo->hide || repo->ignore)
+		return 0;
+	if (!(is_match(repo) && is_in_url(repo)))
+		return 0;
+	return 1;
+}
+
+static int any_repos_visible(void)
+{
+	int i;
+
+	for (i = 0; i < cgit_repolist.count; i++) {
+		if (is_visible(&cgit_repolist.repos[i]))
+			return 1;
+	}
+	return 0;
+}
+
+static void print_sort_header(const char *title, const char *sort)
+{
+	char *currenturl = cgit_currenturl();
+	html("<th class='left'><a href='");
+	html_attr(currenturl);
+	htmlf("?s=%s", sort);
+	if (ctx.qry.search) {
+		html("&amp;q=");
+		html_url_arg(ctx.qry.search);
+	}
+	htmlf("'>%s</a></th>", title);
+	free(currenturl);
+}
+
+static void print_header(void)
+{
+	html("<tr class='nohover'>");
+	print_sort_header("Name", "name");
+	print_sort_header("Description", "desc");
+	if (ctx.cfg.enable_index_owner)
+		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");
+}
+
+
+static void print_pager(int items, int pagelen, char *search, char *sort)
+{
+	int i, ofs;
+	char *class = NULL;
+	html("<ul class='pager'>");
+	for (i = 0, ofs = 0; ofs < items; i++, ofs = i * pagelen) {
+		class = (ctx.qry.ofs == ofs) ? "current" : NULL;
+		html("<li>");
+		cgit_index_link(fmt("[%d]", i + 1), fmt("Page %d", i + 1),
+				class, search, sort, ofs, 0);
+		html("</li>");
+	}
+	html("</ul>");
+}
+
+static int cmp(const char *s1, const char *s2)
+{
+	if (s1 && s2) {
+		if (ctx.cfg.case_sensitive_sort)
+			return strcmp(s1, s2);
+		else
+			return strcasecmp(s1, s2);
+	}
+	if (s1 && !s2)
+		return -1;
+	if (s2 && !s1)
+		return 1;
+	return 0;
+}
+
+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;
+}
+
+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) {
+		if (!strcmp(ctx.cfg.repository_sort, "age"))
+			result = sort_idle(r1, r2);
+		if (!result)
+			result = cmp(r1->name, r2->name);
+	}
+	return result;
+}
+
+struct sortcolumn {
+	const char *name;
+	int (*fn)(const void *a, const void *b);
+};
+
+static const struct sortcolumn sortcolumn[] = {
+	{"section", sort_section},
+	{"name", sort_name},
+	{"desc", sort_desc},
+	{"owner", sort_owner},
+	{"idle", sort_idle},
+	{NULL, NULL}
+};
+
+static int sort_repolist(char *field)
+{
+	const 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(void)
+{
+	int i, columns = 3, hits = 0, header = 0;
+	char *last_section = NULL;
+	char *section;
+	char *repourl;
+	int sorted = 0;
+
+	if (!any_repos_visible()) {
+		cgit_print_error_page(404, "Not found", "No repositories found");
+		return;
+	}
+
+	if (ctx.cfg.enable_index_links)
+		++columns;
+	if (ctx.cfg.enable_index_owner)
+		++columns;
+
+	ctx.page.title = ctx.cfg.root_title;
+	cgit_print_http_headers();
+	cgit_print_docstart();
+	cgit_print_pageheader();
+
+	if (ctx.qry.sort)
+		sorted = sort_repolist(ctx.qry.sort);
+	else if (ctx.cfg.section_sort)
+		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_visible(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();
+		section = ctx.repo->section;
+		if (section && !strcmp(section, ""))
+			section = NULL;
+		if (!sorted &&
+		    ((last_section == NULL && section != NULL) ||
+		    (last_section != NULL && section == NULL) ||
+		    (last_section != NULL && section != NULL &&
+		     strcmp(section, last_section)))) {
+			htmlf("<tr class='nohover-highlight'><td colspan='%d' class='reposection'>",
+			      columns);
+			html_txt(section);
+			html("</td></tr>");
+			last_section = section;
+		}
+		htmlf("<tr><td class='%s'>",
+		      !sorted && section ? "sublevel-repo" : "toplevel-repo");
+		cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
+		html("</td><td>");
+		repourl = cgit_repourl(ctx.repo->url);
+		html_link_open(repourl, NULL, NULL);
+		free(repourl);
+		if (html_ntxt(ctx.repo->desc, ctx.cfg.max_repodesc_len) < 0)
+			html("...");
+		html_link_close();
+		html("</td><td>");
+		if (ctx.cfg.enable_index_owner) {
+			if (ctx.repo->owner_filter) {
+				cgit_open_filter(ctx.repo->owner_filter);
+				html_txt(ctx.repo->owner);
+				cgit_close_filter(ctx.repo->owner_filter);
+			} else {
+				char *currenturl = cgit_currenturl();
+				html("<a href='");
+				html_attr(currenturl);
+				html("?q=");
+				html_url_arg(ctx.repo->owner);
+				html("'>");
+				html_txt(ctx.repo->owner);
+				html("</a>");
+				free(currenturl);
+			}
+			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, 0);
+			cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
+			html("</td>");
+		}
+		html("</tr>\n");
+	}
+	html("</table>");
+	if (hits > ctx.cfg.max_repo_count)
+		print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search, ctx.qry.sort);
+	cgit_print_docend();
+}
+
+void cgit_print_site_readme(void)
+{
+	cgit_print_layout_start();
+	if (!ctx.cfg.root_readme)
+		goto done;
+	cgit_open_filter(ctx.cfg.about_filter, ctx.cfg.root_readme);
+	html_include(ctx.cfg.root_readme);
+	cgit_close_filter(ctx.cfg.about_filter);
+done:
+	cgit_print_layout_end();
+}