Add support for config param summary-tags

This parameter can be used to specify max number of tags to show on
the summary page. If not specified, all tags are printed.

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

1 files changed, 7 insertions, 3 deletions

diff --git a/ui-summary.c b/ui-summary.c
index 43582da..3d5eda8 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -1,211 +1,215 @@
 /* ui-summary.c: functions for generating repo summary page
  *
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 
 static int header;
 
 static int cmp_tag_age(void *a, void *b)
 {
 	struct refinfo *r1 = *(struct refinfo **)a;
 	struct refinfo *r2 = *(struct refinfo **)b;
 
 	if (r1->tag->tagger_date != 0 && r2->tag->tagger_date != 0)
 		return r2->tag->tagger_date - r1->tag->tagger_date;
 
 	if (r1->tag->tagger_date == 0 && r2->tag->tagger_date == 0)
 		return 0;
 
 	if (r1 == 0)
 		return +1;
 
 	return -1;
 }
 
 static void cgit_print_branch(struct refinfo *ref)
 {
 	struct commit *commit;
 	struct commitinfo *info;
 	char *name = (char *)ref->refname;
 
 	commit = lookup_commit(ref->object->sha1);
 	// object is not really parsed at this point, because of some fallout
 	// from previous calls to git functions in cgit_print_log()
 	commit->object.parsed = 0;
 	if (commit && !parse_commit(commit)){
 		info = cgit_parse_commit(commit);
 		html("<tr><td>");
 		cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0);
 		html("</td><td>");
 		cgit_print_age(commit->date, -1, NULL);
 		html("</td><td>");
 		html_txt(info->author);
 		html("</td><td>");
 		cgit_commit_link(info->subject, NULL, NULL, name, NULL);
 		html("</td></tr>\n");
 		cgit_free_commitinfo(info);
 	} else {
 		html("<tr><td>");
 		html_txt(name);
 		html("</td><td colspan='3'>");
 		htmlf("*** bad ref %s ***", sha1_to_hex(ref->object->sha1));
 		html("</td></tr>\n");
 	}
 }
 
 static void print_tag_header()
 {
 	html("<tr class='nohover'><th class='left'>Tag</th>"
 	     "<th class='left'>Age</th>"
 	     "<th class='left'>Author</th>"
 	     "<th class='left'>Reference</th></tr>\n");
 	header = 1;
 }
 
 static int print_tag(struct refinfo *ref)
 {
 	struct tag *tag;
 	struct taginfo *info;
 	char *url, *name = (char *)ref->refname;
 
 	if (ref->object->type == OBJ_TAG) {
 		tag = lookup_tag(ref->object->sha1);
 		if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
 			return 2;
 		html("<tr><td>");
 		url = cgit_pageurl(cgit_query_repo, "tag",
 				   fmt("id=%s", name));
 		html_link_open(url, NULL, NULL);
 		html_txt(name);
 		html_link_close();
 		html("</td><td>");
 		if (info->tagger_date > 0)
 			cgit_print_age(info->tagger_date, -1, NULL);
 		html("</td><td>");
 		if (info->tagger)
 			html(info->tagger);
 		html("</td><td>");
 		cgit_object_link(tag->tagged);
 		html("</td></tr>\n");
 	} else {
 		if (!header)
 			print_tag_header();
 		html("<tr><td>");
 		html_txt(name);
 		html("</td><td colspan='2'/><td>");
 		cgit_object_link(ref->object);
 		html("</td></tr>\n");
 	}
 	return 0;
 }
 
 static int cgit_print_archive_cb(const char *refname, const unsigned char *sha1,
 				 int flags, void *cb_data)
 {
 	struct tag *tag;
 	struct taginfo *info;
 	struct object *obj;
 	char buf[256], *url;
 	unsigned char fileid[20];
 
 	if (prefixcmp(refname, "refs/archives"))
 		return 0;
 	strncpy(buf, refname+14, sizeof(buf));
 	obj = parse_object(sha1);
 	if (!obj)
 		return 1;
 	if (obj->type == OBJ_TAG) {
 		tag = lookup_tag(sha1);
 		if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
 			return 0;
 		hashcpy(fileid, tag->tagged->sha1);
 	} else if (obj->type != OBJ_BLOB) {
 		return 0;
 	} else {
 		hashcpy(fileid, sha1);
 	}
 	if (!header) {
 		html("<table id='downloads'>");
 		html("<tr><th>Downloads</th></tr>");
 		header = 1;
 	}
 	html("<tr><td>");
 	url = cgit_pageurl(cgit_query_repo, "blob",
 			   fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
 			       buf));
 	html_link_open(url, NULL, NULL);
 	html_txt(buf);
 	html_link_close();
 	html("</td></tr>");
 	return 0;
 }
 
 static void cgit_print_branches()
 {
 	struct reflist list;
 	int i;
 
 	html("<tr class='nohover'><th class='left'>Branch</th>"
 	     "<th class='left'>Idle</th>"
 	     "<th class='left'>Author</th>"
 	     "<th class='left'>Head commit</th></tr>\n");
 
 	list.refs = NULL;
 	list.alloc = list.count = 0;
 	for_each_branch_ref(cgit_refs_cb, &list);
 	for(i=0; i<list.count; i++)
 		cgit_print_branch(list.refs[i]);
 }
 
-static void cgit_print_tags()
+static void cgit_print_tags(int maxcount)
 {
 	struct reflist list;
 	int i;
 
 	header = 0;
 	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<list.count; i++)
+	for(i=0; i<maxcount; i++)
 		print_tag(list.refs[i]);
 }
 
 static void cgit_print_archives()
 {
 	header = 0;
 	for_each_ref(cgit_print_archive_cb, NULL);
 	if (header)
 		html("</table>");
 }
 
 void cgit_print_summary()
 {
 	html("<div id='summary'>");
 	cgit_print_archives();
 	html("<h2>");
 	html_txt(cgit_repo->name);
 	html(" - ");
 	html_txt(cgit_repo->desc);
 	html("</h2>");
 	if (cgit_repo->readme)
 		html_include(cgit_repo->readme);
 	html("</div>");
 	if (cgit_summary_log > 0)
 		cgit_print_log(cgit_query_head, 0, cgit_summary_log, NULL, NULL, 0);
 	html("<table class='list nowrap'>");
 	if (cgit_summary_log > 0)
 		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
 	cgit_print_branches();
 	html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
-	cgit_print_tags();
+	cgit_print_tags(cgit_summary_tags);
 	html("</table>");
 }