Fossil

**
** In the first form (1 argument) return TRUE if either no files are
** named on the command line (g.aCommitFile is NULL meaning that all
** changes are to be committed) or if id is found in g.aCommitFile[]
** (meaning that id was named on the command-line).
**
** In the second form (3 arguments) return argument X if true and Y
** if false.  Except if Y is NULL then always return X.
*/
static void file_is_selected(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  int rc = 0;

    rc = 1;
  }
  if( argc==1 ){
    sqlite3_result_int(context, rc);
  }else{
    assert( argc==3 );
    assert( rc==0 || rc==1 );
    if( sqlite3_value_type(argv[2-rc])==SQLITE_NULL ) rc = 1-rc;
    sqlite3_result_value(context, argv[2-rc]);
  }
}

/*
** Convert the input string into an SHA1.  Make a notation in the
** CONCEALED table so that the hash can be undo using the db_reveal()