Add support for 'enable-gitweb-owner' option

When this option is enabled (which it is by default), cgit will lookup
the 'gitweb.owner' setting in each git config file found when processing
the 'scan-path' option.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

cgit.c

@@ -135,6 +135,8 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
 	else if (!strcmp(name, "enable-filter-overrides"))
 		ctx.cfg.enable_filter_overrides = atoi(value);
+	else if (!strcmp(name, "enable-gitweb-owner"))
+		ctx.cfg.enable_gitweb_owner = atoi(value);
 	else if (!strcmp(name, "enable-index-links"))
 		ctx.cfg.enable_index_links = atoi(value);
 	else if (!strcmp(name, "enable-log-filecount"))
@@ -293,6 +295,7 @@ static void prepare_context(struct cgit_context *ctx)
 	ctx->cfg.css = "/cgit.css";
 	ctx->cfg.logo = "/cgit.png";
 	ctx->cfg.local_time = 0;
+	ctx->cfg.enable_gitweb_owner = 1;
 	ctx->cfg.enable_tree_linenumbers = 1;
 	ctx->cfg.max_repo_count = 50;
 	ctx->cfg.max_commit_count = 50;

cgit.h

@@ -183,6 +183,7 @@ struct cgit_config {
 	int cache_static_ttl;
 	int embedded;
 	int enable_filter_overrides;
+	int enable_gitweb_owner;
 	int enable_index_links;
 	int enable_log_filecount;
 	int enable_log_linecount;

cgitrc.5.txt

@@ -95,6 +95,11 @@ enable-filter-overrides::
 	Flag which, when set to "1", allows all filter settings to be
 	overridden in repository-specific cgitrc files. Default value: none.
 
+enable-gitweb-owner::
+	If set to "1" and scan-path is enabled, we first check each repository
+	for the git config value "gitweb.owner" to determine the owner.
+	Default value: "1". See also: scan-path.
+
 enable-index-links::
 	Flag which, when set to "1", will make cgit generate extra links for
 	each repo in the repository index (specifically, to the "summary",

scan-tree.c

@@ -47,12 +47,20 @@ static int is_git_dir(const char *path)
 
 struct cgit_repo *repo;
 repo_config_fn config_fn;
+char *owner;
 
 static void repo_config(const char *name, const char *value)
 {
 	config_fn(repo, name, value);
 }
 
+static int git_owner_config(const char *key, const char *value, void *cb)
+{
+	if (!strcmp(key, "gitweb.owner"))
+		owner = xstrdup(value);
+	return 0;
+}
+
 static void add_repo(const char *base, const char *path, repo_config_fn fn)
 {
 	struct stat st;
@@ -67,11 +75,10 @@ static void add_repo(const char *base, const char *path, repo_config_fn fn)
 	}
 	if (!stat(fmt("%s/noweb", path), &st))
 		return;
-	if ((pwd = getpwuid(st.st_uid)) == NULL) {
-		fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n",
-			path, strerror(errno), errno);
-		return;
-	}
+
+	owner = NULL;
+	if (ctx.cfg.enable_gitweb_owner)
+		git_config_from_file(git_owner_config, fmt("%s/config", path), NULL);
 	if (base == path)
 		p = fmt("%s", path);
 	else
@@ -86,10 +93,18 @@ static void add_repo(const char *base, const char *path, repo_config_fn fn)
 			*p = '\0';
 	repo->name = repo->url;
 	repo->path = xstrdup(path);
-	p = (pwd && pwd->pw_gecos) ? strchr(pwd->pw_gecos, ',') : NULL;
-	if (p)
-		*p = '\0';
-	repo->owner = (pwd ? xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name) : "");
+	while (!owner) {
+		if ((pwd = getpwuid(st.st_uid)) == NULL) {
+			fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n",
+				path, strerror(errno), errno);
+			break;
+		}
+		if (pwd->pw_gecos)
+			if ((p = strchr(pwd->pw_gecos, ',')))
+				*p = '\0';
+		owner = xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name);
+	}
+	repo->owner = owner;
 
 	p = fmt("%s/description", path);
 	if (!stat(p, &st))