static int main_create()

in src/split2mono.cpp [213:259]

• 40 lines of code
• 19 McCabe index (conditional complexity)

static int main_create(const char *cmd, int argc, const char *argv[]) {
  if (argc != 2)
    return usage("create: wrong number of positional arguments", cmd);
  const char *dbdir = argv[0];
  const char *name = argv[1];
  bool is_valid = *name;
  for (const char *ch = name; *ch && is_valid; ++ch) {
    if (*ch >= '0' || *ch <= '9')
      continue;
    if (*ch >= 'a' || *ch <= 'z')
      continue;
    if (*ch >= 'A' || *ch <= 'Z')
      continue;
    switch (*ch) {
    case '-':
    case '+':
    case '_':
    case '.':
      // Can't be the first or last characters.
      is_valid &= ch != name && ch[1];
      continue;

    default:
      // Not valid.
      is_valid = false;
      continue;
    }
  }
  if (!is_valid)
    return usage("create: invalid <name>; expected "
                 "[0-9a-zA-Z][0-9a-zA-Z-+._]*[0-9a-zA-Z]?",
                 cmd);

  split2monodb db;
  db.name = name;
  if (db.opendb(dbdir))
    return usage("create: failed to open <dbdir>", cmd);

  // Write out the name.
  FILE *ufile = fdopen(db.upstreamsfd, "w");
  if (!ufile)
    return error("could not reopen stream for upstreams");
  if (fprintf(ufile, "name: %s\n", db.name.c_str()) < 0)
    return error("could not write repo name");

  return 0;
}