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>

3 files changed, 11 insertions, 3 deletions

diff --git a/cgit.h b/cgit.h
index 75e919b..53e1336 100644
--- a/cgit.h
+++ b/cgit.h
@@ -140,12 +140,13 @@ extern int cgit_max_lock_attempts;
 extern int cgit_cache_root_ttl;
 extern int cgit_cache_repo_ttl;
 extern int cgit_cache_dynamic_ttl;
 extern int cgit_cache_static_ttl;
 extern int cgit_cache_max_create_time;
 extern int cgit_summary_log;
+extern int cgit_summary_tags;
 
 extern int cgit_max_msg_len;
 extern int cgit_max_repodesc_len;
 extern int cgit_max_commit_count;
 
 extern int cgit_query_has_symref;
diff --git a/shared.c b/shared.c
index d815cb1..7e5eaba 100644
--- a/shared.c
+++ b/shared.c
@@ -35,12 +35,13 @@ int cgit_max_lock_attempts     =  5;
 int cgit_cache_root_ttl        =  5;
 int cgit_cache_repo_ttl        =  5;
 int cgit_cache_dynamic_ttl     =  5;
 int cgit_cache_static_ttl      = -1;
 int cgit_cache_max_create_time =  5;
 int cgit_summary_log           =  0;
+int cgit_summary_tags          =  0;
 int cgit_renamelimit           = -1;
 
 int cgit_max_msg_len = 60;
 int cgit_max_repodesc_len = 60;
 int cgit_max_commit_count = 50;
 
@@ -178,12 +179,14 @@ void cgit_global_config_cb(const char *name, const char *value)
 	else if (!strcmp(name, "max-repodesc-length"))
 		cgit_max_repodesc_len = atoi(value);
 	else if (!strcmp(name, "max-commit-count"))
 		cgit_max_commit_count = atoi(value);
 	else if (!strcmp(name, "summary-log"))
 		cgit_summary_log = atoi(value);
+	else if (!strcmp(name, "summary-tags"))
+		cgit_summary_tags = atoi(value);
 	else if (!strcmp(name, "agefile"))
 		cgit_agefile = xstrdup(value);
 	else if (!strcmp(name, "renamelimit"))
 		cgit_renamelimit = atoi(value);
 	else if (!strcmp(name, "repo.group"))
 		cgit_repo_group = xstrdup(value);
diff --git a/ui-summary.c b/ui-summary.c
index 43582da..3d5eda8 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -159,26 +159,30 @@ static void cgit_print_branches()
 	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;
@@ -203,9 +207,9 @@ void cgit_print_summary()
 		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>");
 }