ui-tree: allow per repository override for enable-blame

The blame operation can cause high cost in terms of CPU load for huge
repositories. Let's add a per repository override for enable-blame.

Signed-off-by: Christian Hesse <mail@eworm.de>

cgit.c

@@ -50,6 +50,8 @@ static void repo_config(struct cgit_repo *repo, const char *name, const char *va
 		repo->extra_head_content = xstrdup(value);
 	else if (!strcmp(name, "snapshots"))
 		repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value);
+	else if (!strcmp(name, "enable-blame"))
+		repo->enable_blame = atoi(value);
 	else if (!strcmp(name, "enable-commit-graph"))
 		repo->enable_commit_graph = atoi(value);
 	else if (!strcmp(name, "enable-log-filecount"))
@@ -809,6 +811,8 @@ static void print_repo(FILE *f, struct cgit_repo *repo)
 		fprintf(f, "repo.homepage=%s\n", repo->homepage);
 	if (repo->clone_url)
 		fprintf(f, "repo.clone-url=%s\n", repo->clone_url);
+	fprintf(f, "repo.enable-blame=%d\n",
+	        repo->enable_blame);
 	fprintf(f, "repo.enable-commit-graph=%d\n",
 	        repo->enable_commit_graph);
 	fprintf(f, "repo.enable-log-filecount=%d\n",

cgit.h

@@ -94,6 +94,7 @@ struct cgit_repo {
 	char *logo_link;
 	char *snapshot_prefix;
 	int snapshots;
+	int enable_blame;
 	int enable_commit_graph;
 	int enable_log_filecount;
 	int enable_log_linecount;

cgitrc.5.txt

@@ -485,6 +485,10 @@ repo.email-filter::
 	Override the default email-filter. Default value: none. See also:
 	"enable-filter-overrides". See also: "FILTER API".
 
+repo.enable-blame::
+	A flag which can be used to disable the global setting
+	`enable-blame'. Default value: none.
+
 repo.enable-commit-graph::
 	A flag which can be used to disable the global setting
 	`enable-commit-graph'. Default value: none.

cmd.c

@@ -66,7 +66,7 @@ static void about_fn(void)
 
 static void blame_fn(void)
 {
-	if (ctx.cfg.enable_blame)
+	if (ctx.repo->enable_blame)
 		cgit_print_blame();
 	else
 		cgit_print_error_page(403, "Forbidden", "Blame is disabled");

shared.c

@@ -58,6 +58,7 @@ struct cgit_repo *cgit_add_repo(const char *url)
 	ret->homepage = NULL;
 	ret->section = ctx.cfg.section;
 	ret->snapshots = ctx.cfg.snapshots;
+	ret->enable_blame = ctx.cfg.enable_blame;
 	ret->enable_commit_graph = ctx.cfg.enable_commit_graph;
 	ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
 	ret->enable_log_linecount = ctx.cfg.enable_log_linecount;

ui-tree.c

@@ -110,7 +110,7 @@ static void print_object(const struct object_id *oid, const char *path, const ch
 	htmlf("blob: %s (", oid_to_hex(oid));
 	cgit_plain_link("plain", NULL, NULL, ctx.qry.head,
 		        rev, path);
-	if (ctx.cfg.enable_blame) {
+	if (ctx.repo->enable_blame) {
 		html(") (");
 		cgit_blame_link("blame", NULL, NULL, ctx.qry.head,
 			        rev, path);
@@ -251,7 +251,7 @@ static int ls_item(const struct object_id *oid, struct strbuf *base,
 	if (!S_ISGITLINK(mode))
 		cgit_plain_link("plain", NULL, "button", ctx.qry.head,
 				walk_tree_ctx->curr_rev, fullpath.buf);
-	if (!S_ISDIR(mode) && ctx.cfg.enable_blame)
+	if (!S_ISDIR(mode) && ctx.repo->enable_blame)
 		cgit_blame_link("blame", NULL, "button", ctx.qry.head,
 				walk_tree_ctx->curr_rev, fullpath.buf);
 	html("</td></tr>\n");