Fossil

**
** See also: changes, extra, ls
*/
void status_cmd(void){
  int vid;
  db_must_be_within_tree();
       /* 012345678901234 */
  fossil_print("repository:   %s\n", db_repository_filename());
  fossil_print("local-root:   %s\n", g.zLocalRoot);
  vid = db_lget_int("checkout", 0);
  if( vid ){
    show_common_info(vid, "checkout:", 1, 1);
  }
  db_record_repository_filename(0);
  changes_cmd();

static int isValidLocalDb(const char *zDbName){
  i64 lsize;

  if( file_access(zDbName, F_OK) ) return 0;
  lsize = file_size(zDbName);
  if( lsize%1024!=0 || lsize<4096 ) return 0;
  db_open_or_attach(zDbName, "localdb");




  /* If the "isexe" column is missing from the vfile table, then
  ** add it now.   This code added on 2010-03-06.  After all users have
  ** upgraded, this code can be safely deleted. 
  */
  if( !db_local_column_exists("vfile", "isexe") ){
    db_multi_exec("ALTER TABLE vfile ADD COLUMN isexe BOOLEAN DEFAULT 0");
  }

  /* If "islink"/"isLink" columns are missing from tables, then
  ** add them now.   This code added on 2011-01-17 and 2011-08-27.
  ** After all users have upgraded, this code can be safely deleted. 
  */
  if( !db_local_column_exists("vfile", "islink") ){
    db_multi_exec("ALTER TABLE vfile ADD COLUMN islink BOOLEAN DEFAULT 0");
  }
  
  if( !db_local_column_exists("stashfile", "isLink") &&
       db_local_table_exists("stashfile") ){
    db_multi_exec("ALTER TABLE stashfile ADD COLUMN isLink BOOLEAN DEFAULT 0");
  }

  if( !db_local_column_exists("undo", "isLink") &&
       db_local_table_exists("undo") ){
    db_multi_exec("ALTER TABLE undo ADD COLUMN isLink BOOLEAN DEFAULT 0");
  }
  
  if( !db_local_column_exists("undo_vfile", "islink") &&
       db_local_table_exists("undo_vfile") ){
    db_multi_exec("ALTER TABLE undo_vfile ADD COLUMN islink BOOLEAN DEFAULT 0");
  }
  return 1;
}

/*
** Locate the root directory of the local repository tree.  The root
** directory is found by searching for a file named "_FOSSIL_" or ".fos"
** that contains a valid repository database.

        /* Found a valid checkout database file */
        zPwd[n] = 0;
        while( n>1 && zPwd[n-1]=='/' ){
          n--;
          zPwd[n] = 0;
        }
        g.zLocalRoot = mprintf("%s/", zPwd);
        g.localOpen = 1;
        db_open_config(0);
        db_open_repository(0);
        return 1;
      }
    }
    n--;
    while( n>0 && zPwd[n]!='/' ){ n--; }
    while( n>0 && zPwd[n-1]=='/' ){ n--; }
    zPwd[n] = 0;
  }

  /* A checkout database file could not be found */
  return 0;
}

/*
** Get the full pathname to the repository database file.  The
** local database (the _FOSSIL_ or .fos database) must have already
** been opened before this routine is called.
*/
const char *db_repository_filename(void){
  static char *zRepo = 0;
  assert( g.localOpen );
  assert( g.zLocalRoot );
  if( zRepo==0 ){
    zRepo = db_lget("repository", 0);
    if( zRepo && !file_is_absolute_path(zRepo) ){
      zRepo = mprintf("%s%s", g.zLocalRoot, zRepo);
    }
  }
  return zRepo;
}

/*
** Open the repository database given by zDbName.  If zDbName==NULL then
** get the name from the already open local database.
*/
void db_open_repository(const char *zDbName){
  if( g.repositoryOpen ) return;
  if( zDbName==0 ){
    if( g.localOpen ){
      zDbName = db_repository_filename();
    }
    if( zDbName==0 ){
      db_err("unable to find the name of a repository database");
    }
  }
  if( file_access(zDbName, R_OK) || file_size(zDbName)<1024 ){
    if( file_access(zDbName, 0) ){

  if( zRep==0 && nArgUsed && g.argc==nArgUsed+1 ){
    zRep = g.argv[nArgUsed];
  }
  if( zRep==0 ){
    if( db_open_local()==0 ){
      goto rep_not_found;
    }
    zRep = db_repository_filename();
    if( zRep==0 ){
      goto rep_not_found;
    }
  }
  db_open_repository(zRep);
  if( g.repositoryOpen ){
    if( (bFlags & OPEN_ANY_SCHEMA)==0 ) db_verify_schema();

**
** Where %s is the checkout root.  The value is the repository file.
*/
void db_record_repository_filename(const char *zName){
  Blob full;
  if( zName==0 ){
    if( !g.localOpen ) return;
    zName = db_repository_filename();
  }
  file_canonical_name(zName, &full);
  db_swap_connections();
  db_multi_exec(
     "INSERT OR IGNORE INTO global_config(name,value)"
     "VALUES('repo:%q',1)",
     blob_str(&full)

    fossil_panic("already within an open tree rooted at %s", g.zLocalRoot);
  }
  file_canonical_name(g.argv[2], &path);
  db_open_repository(blob_str(&path));
  db_init_database("./_FOSSIL_", zLocalSchema, (char*)0);
  db_delete_on_failure("./_FOSSIL_");
  db_open_local();
  db_lset("repository", g.argv[2]);
  db_record_repository_filename(blob_str(&path));
  vid = db_int(0, "SELECT pid FROM plink y"
                  " WHERE NOT EXISTS(SELECT 1 FROM plink x WHERE x.cid=y.pid)");
  if( vid==0 ){
    db_lset_int("checkout", 1);
  }else{
    char **oldArgv = g.argv;

    }else{
      fossil_fatal("cannot find current working directory; %s",
                   strerror(errno));
    }
  }
#endif
}

/*
** Return true if zPath is an absolute pathname.  Return false
** if it is relative.
*/
int file_is_absolute_path(const char *zPath){
  if( zPath[0]=='/'
#if defined(_WIN32)
      || zPath[0]=='\\'
      || (strlen(zPath)>3 && zPath[1]==':'
           && (zPath[2]=='\\' || zPath[2]=='/'))
#endif
  ){
    return 1;
  }else{
    return 0;
  }
}

/*
** Compute a canonical pathname for a file or directory.
** Make the name absolute if it is relative.
** Remove redundant / characters
** Remove all /./ path elements.
** Convert /A/../ to just /
*/
void file_canonical_name(const char *zOrigName, Blob *pOut){
  if( file_is_absolute_path(zOrigName) ){






    blob_set(pOut, zOrigName);
    blob_materialize(pOut);
  }else{
    char zPwd[2000];
    file_getcwd(zPwd, sizeof(zPwd)-strlen(zOrigName));
    blob_zero(pOut);
    blob_appendf(pOut, "%//%/", zPwd, zOrigName);

  db_find_and_open_repository(0,0);
  if( g.argc==2 ){
    int vid;
         /* 012345678901234 */
    db_record_repository_filename(0);
    fossil_print("project-name: %s\n", db_get("project-name", "<unnamed>"));
    if( g.localOpen ){
      fossil_print("repository:   %s\n", db_repository_filename());
      fossil_print("local-root:   %s\n", g.zLocalRoot);
    }
#if defined(_WIN32)
    if( g.zHome ){
      fossil_print("user-home:    %s\n", g.zHome);
    }
#endif