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

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

1 files changed, 219 insertions, 0 deletions

diff --git a/third_party/cgit/ui-refs.c b/third_party/cgit/ui-refs.c
new file mode 100644
index 000000000000..456f610df41c
--- /dev/null
+++ b/third_party/cgit/ui-refs.c
@@ -0,0 +1,219 @@
+/* ui-refs.c: browse symbolic refs
+ *
+ * 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-refs.h"
+#include "html.h"
+#include "ui-shared.h"
+
+static inline int cmp_age(int age1, int age2)
+{
+	/* age1 and age2 are assumed to be non-negative */
+	return age2 - age1;
+}
+
+static int cmp_ref_name(const void *a, const void *b)
+{
+	struct refinfo *r1 = *(struct refinfo **)a;
+	struct refinfo *r2 = *(struct refinfo **)b;
+
+	return strcmp(r1->refname, r2->refname);
+}
+
+static int cmp_branch_age(const void *a, const void *b)
+{
+	struct refinfo *r1 = *(struct refinfo **)a;
+	struct refinfo *r2 = *(struct refinfo **)b;
+
+	return cmp_age(r1->commit->committer_date, r2->commit->committer_date);
+}
+
+static int get_ref_age(struct refinfo *ref)
+{
+	if (!ref->object)
+		return 0;
+	switch (ref->object->type) {
+	case OBJ_TAG:
+		return ref->tag ? ref->tag->tagger_date : 0;
+	case OBJ_COMMIT:
+		return ref->commit ? ref->commit->committer_date : 0;
+	}
+	return 0;
+}
+
+static int cmp_tag_age(const void *a, const void *b)
+{
+	struct refinfo *r1 = *(struct refinfo **)a;
+	struct refinfo *r2 = *(struct refinfo **)b;
+
+	return cmp_age(get_ref_age(r1), get_ref_age(r2));
+}
+
+static int print_branch(struct refinfo *ref)
+{
+	struct commitinfo *info = ref->commit;
+	char *name = (char *)ref->refname;
+
+	if (!info)
+		return 1;
+	html("<tr><td>");
+	cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0, NULL, NULL,
+		      ctx.qry.showmsg, 0);
+	html("</td><td>");
+
+	if (ref->object->type == OBJ_COMMIT) {
+		cgit_commit_link(info->subject, NULL, NULL, name, NULL, NULL);
+		html("</td><td>");
+		cgit_open_filter(ctx.repo->email_filter, info->author_email, "refs");
+		html_txt(info->author);
+		cgit_close_filter(ctx.repo->email_filter);
+		html("</td><td colspan='2'>");
+		cgit_print_age(info->committer_date, info->committer_tz, -1);
+	} else {
+		html("</td><td></td><td>");
+		cgit_object_link(ref->object);
+	}
+	html("</td></tr>\n");
+	return 0;
+}
+
+static void print_tag_header(void)
+{
+	html("<tr class='nohover'><th class='left'>Tag</th>"
+	     "<th class='left'>Download</th>"
+	     "<th class='left'>Author</th>"
+	     "<th class='left' colspan='2'>Age</th></tr>\n");
+}
+
+static int print_tag(struct refinfo *ref)
+{
+	struct tag *tag = NULL;
+	struct taginfo *info = NULL;
+	char *name = (char *)ref->refname;
+	struct object *obj = ref->object;
+
+	if (obj->type == OBJ_TAG) {
+		tag = (struct tag *)obj;
+		obj = tag->tagged;
+		info = ref->tag;
+		if (!info)
+			return 1;
+	}
+
+	html("<tr><td>");
+	cgit_tag_link(name, NULL, NULL, name);
+	html("</td><td>");
+	if (ctx.repo->snapshots && (obj->type == OBJ_COMMIT))
+		cgit_print_snapshot_links(ctx.repo, name, "&nbsp;&nbsp;");
+	else
+		cgit_object_link(obj);
+	html("</td><td>");
+	if (info) {
+		if (info->tagger) {
+			cgit_open_filter(ctx.repo->email_filter, info->tagger_email, "refs");
+			html_txt(info->tagger);
+			cgit_close_filter(ctx.repo->email_filter);
+		}
+	} else if (ref->object->type == OBJ_COMMIT) {
+		cgit_open_filter(ctx.repo->email_filter, ref->commit->author_email, "refs");
+		html_txt(ref->commit->author);
+		cgit_close_filter(ctx.repo->email_filter);
+	}
+	html("</td><td colspan='2'>");
+	if (info) {
+		if (info->tagger_date > 0)
+			cgit_print_age(info->tagger_date, info->tagger_tz, -1);
+	} else if (ref->object->type == OBJ_COMMIT) {
+		cgit_print_age(ref->commit->commit->date, 0, -1);
+	}
+	html("</td></tr>\n");
+
+	return 0;
+}
+
+static void print_refs_link(const char *path)
+{
+	html("<tr class='nohover'><td colspan='5'>");
+	cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
+	html("</td></tr>");
+}
+
+void cgit_print_branches(int maxcount)
+{
+	struct reflist list;
+	int i;
+
+	html("<tr class='nohover'><th class='left'>Branch</th>"
+	     "<th class='left'>Commit message</th>"
+	     "<th class='left'>Author</th>"
+	     "<th class='left' colspan='2'>Age</th></tr>\n");
+
+	list.refs = NULL;
+	list.alloc = list.count = 0;
+	for_each_branch_ref(cgit_refs_cb, &list);
+	if (ctx.repo->enable_remote_branches)
+		for_each_remote_ref(cgit_refs_cb, &list);
+
+	if (maxcount == 0 || maxcount > list.count)
+		maxcount = list.count;
+
+	qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
+	if (ctx.repo->branch_sort == 0)
+		qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
+
+	for (i = 0; i < maxcount; i++)
+		print_branch(list.refs[i]);
+
+	if (maxcount < list.count)
+		print_refs_link("heads");
+
+	cgit_free_reflist_inner(&list);
+}
+
+void cgit_print_tags(int maxcount)
+{
+	struct reflist list;
+	int i;
+
+	list.refs = NULL;
+	list.alloc = list.count = 0;
+	for_each_tag_ref(cgit_refs_cb, &list);
+	if (list.count == 0)
+		return;
+	qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
+	if (!maxcount)
+		maxcount = list.count;
+	else if (maxcount > list.count)
+		maxcount = list.count;
+	print_tag_header();
+	for (i = 0; i < maxcount; i++)
+		print_tag(list.refs[i]);
+
+	if (maxcount < list.count)
+		print_refs_link("tags");
+
+	cgit_free_reflist_inner(&list);
+}
+
+void cgit_print_refs(void)
+{
+	cgit_print_layout_start();
+	html("<table class='list nowrap'>");
+
+	if (ctx.qry.path && starts_with(ctx.qry.path, "heads"))
+		cgit_print_branches(0);
+	else if (ctx.qry.path && starts_with(ctx.qry.path, "tags"))
+		cgit_print_tags(0);
+	else {
+		cgit_print_branches(0);
+		html("<tr class='nohover'><td colspan='5'>&nbsp;</td></tr>");
+		cgit_print_tags(0);
+	}
+	html("</table>");
+	cgit_print_layout_end();
+}