**
** Options:
**    --admin-user|-A USERNAME   Make USERNAME the administrator
**    --once                     Don't save url.
**    --private                  Also clone private branches 
**    --ssl-identity=filename    Use the SSL identity if requested by the server
**    --ssh-command|-c 'command' Use this SSH command
**    --httpauth                 Add HTTP Basic Authorization to requests
**
** See also: init
*/
void clone_cmd(void){
  char *zPassword;
  const char *zDefaultUser;   /* Optional name of the default user */
  int nErr = 0;
  int bPrivate = 0;           /* Also clone private branches */
  int urlFlags = URL_PROMPT_PW | URL_REMEMBER;

  if( find_option("private",0,0)!=0 ) bPrivate = SYNC_PRIVATE;
  if( find_option("once",0,0)!=0) urlFlags &= ~URL_REMEMBER;
  g.fUseHttpAuth = find_option("httpauth",0,0)!=0;
  zDefaultUser = find_option("admin-user","A",1);
  clone_ssh_find_options();
  url_proxy_options();
  if( g.argc < 4 ){
    usage("?OPTIONS? FILE-OR-URL NEW-REPOSITORY");
  }
  db_open_config(0);

** Construct an appropriate HTTP request header.  Write the header
** into pHdr.  This routine initializes the pHdr blob.  pPayload is
** the complete payload (including the login card) already compressed.
*/
static void http_build_header(Blob *pPayload, Blob *pHdr){
  int i;
  const char *zSep;
  const int fUseHttpAuth = db_get_boolean("use-http-auth", 0);

  blob_zero(pHdr);
  i = strlen(g.urlPath);
  if( i>0 && g.urlPath[i-1]=='/' ){
    zSep = "";
  }else{
    zSep = "/";
  }
  blob_appendf(pHdr, "POST %s%sxfer/xfer HTTP/1.0\r\n", g.urlPath, zSep);
  if( g.urlProxyAuth ){
    blob_appendf(pHdr, "Proxy-Authorization: %s\r\n", g.urlProxyAuth);
  }
  if( g.urlPasswd && g.urlUser && fUseHttpAuth ){
    char *zCredentials = mprintf("%s:%s", g.urlUser, g.urlPasswd);
    char *zEncoded = encode64(zCredentials, -1);
    blob_appendf(pHdr, "Authorization: Basic %s\r\n", zEncoded);
    fossil_free(zEncoded);
    fossil_free(zCredentials);
  }
  blob_appendf(pHdr, "Host: %s\r\n", g.urlHostname);

  */
  closeConnection = 1;
  iLength = -1;
  while( (zLine = transport_receive_line(GLOBAL_URL()))!=0 && zLine[0]!=0 ){
    /* printf("[%s]\n", zLine); fflush(stdout); */
    if( fossil_strnicmp(zLine, "http/1.", 7)==0 ){
      if( sscanf(zLine, "HTTP/1.%d %d", &iHttpVersion, &rc)!=2 ) goto write_err;





      if( rc!=200 && rc!=302 ){
        int ii;
        for(ii=7; zLine[ii] && zLine[ii]!=' '; ii++){}
        while( zLine[ii]==' ' ) ii++;
        fossil_warning("server says: %s", &zLine[ii]);
        goto write_err;
      }

    g.fSystemTrace = find_option("systemtrace", 0, 0)!=0;
    g.fSshTrace = find_option("sshtrace", 0, 0)!=0;
    g.fSshClient = 0;
    g.zSshCmd = 0;
    if( g.fSqlTrace ) g.fSqlStats = 1;
    g.fSqlPrint = find_option("sqlprint", 0, 0)!=0;
    g.fHttpTrace = find_option("httptrace", 0, 0)!=0;

    g.zLogin = find_option("user", "U", 1);
    g.zSSLIdentity = find_option("ssl-identity", 0, 1);
    g.zErrlog = find_option("errorlog", 0, 1);
    if( find_option("utc",0,0) ) g.fTimeFormat = 1;
    if( find_option("localtime",0,0) ) g.fTimeFormat = 2;
    if( zChdir && file_chdir(zChdir, 0) ){
      fossil_fatal("unable to change directories to %s", zChdir);

    urlOptional = 1;
    urlFlags = 0;
  }
  if( find_option("once",0,0)!=0 ) urlFlags &= ~URL_REMEMBER;
  if( find_option("private",0,0)!=0 ){
    *pSyncFlags |= SYNC_PRIVATE;
  }
  g.fUseHttpAuth = find_option("httpauth",0,0)!=0;
  if( find_option("verbose","v",0)!=0 ){
    *pSyncFlags |= SYNC_VERBOSE;
  }
  /* The --verily option to sync, push, and pull forces extra igot cards
  ** to be exchanged.  This can overcome malfunctions in the sync protocol.
  */
  if( find_option("verily",0,0)!=0 ){

**
** See clone usage for possible URL formats.
**
** See also: clone, push, pull, sync
*/
void remote_url_cmd(void){
  char *zUrl;
  g.fUseHttpAuth = find_option("httpauth",0,0)!=0;
  db_find_and_open_repository(0, 0);
  if( g.argc!=2 && g.argc!=3 ){
    usage("remote-url ?URL|off?");
  }
  if( g.argc==3 ){
    db_unset("last-sync-url", 0);
    db_unset("last-sync-pw", 0);

  UrlData *pUrlData
){
  int i, j, c;
  char *zFile = 0;

  if( zUrl==0 ){
    zUrl = db_get("last-sync-url", 0);
    g.fUseHttpAuth = db_get_boolean("use-http-auth", 0);
    if( zUrl==0 ) return;
    if( pUrlData->passwd==0 ){
      pUrlData->passwd = unobscure(db_get("last-sync-pw", 0));
    }
  }

  if( strncmp(zUrl, "http://", 7)==0

*/
void url_remember(void){
  if( g.urlFlags & URL_REMEMBER ){
    db_set("last-sync-url", g.urlCanonical, 0);
    if( g.urlUser!=0 && g.urlPasswd!=0 && ( g.urlFlags & URL_REMEMBER_PW ) ){
      db_set("last-sync-pw", obscure(g.urlPasswd), 0);
    }
    if( g.fUseHttpAuth ){
      db_set_int("use-http-auth", 1, 0);
    }else{
      db_unset("use-http-auth", 0);
    }
  }
}

/* Preemptively prompt for a password if a username is given in the
** URL but no password.
*/
void url_get_password_if_needed(void){