+#define lastc(s) s[strlen(s) - 1]
+
+void scan_projects(const char *path, const char *projectsfile, repo_config_fn fn)
+{
+ char line[MAX_PATH * 2], *z;
+ FILE *projects;
+ int err;
+
+ projects = fopen(projectsfile, "r");
+ if (!projects) {
+ fprintf(stderr, "Error opening projectsfile %s: %s (%d)\n",
+ projectsfile, strerror(errno), errno);
+ return;
+ }
+ while (fgets(line, sizeof(line), projects) != NULL) {
+ for (z = &lastc(line);
+ strlen(line) && strchr("\n\r", *z);
+ z = &lastc(line))
+ *z = '\0';
+ if (strlen(line))
+ scan_path(path, fmt("%s/%s", path, line), fn);
+ }
+ if ((err = ferror(projects))) {
+ fprintf(stderr, "Error reading from projectsfile %s: %s (%d)\n",
+ projectsfile, strerror(err), err);
+ }
+ fclose(projects);
+}
+
+void scan_tree(const char *path, repo_config_fn fn)