Fossil

     ** entries should be removed.  2012-02-04 */
     ".fos",
     ".fos-journal",
     ".fos-wal",
     ".fos-shm",
  };

  /* Possible names of auxiliary files generated when the "manifest" property
  ** is used
  */
  static const struct {
    const char *fname;
    int flg;
  }aManifestflags[] = {
    { "manifest",      MFESTFLG_RAW },
	 { "manifest.uuid", MFESTFLG_UUID },
	 { "manifest.tags", MFESTFLG_TAGS }
  };
  static const char *azManifests[3];

  /*
  ** Names of repository files, if they exist in the checkout.
  */
  static const char *azRepo[4] = { 0, 0, 0, 0 };

  /* Cached setting "manifest" */
  static int cachedManifest = -1;
  static int numManifests;

  if( cachedManifest == -1 ){
    int i;
    Blob repo;
    cachedManifest = db_get_manifest_setting();
    numManifests = 0;
    for(i=0; i<count(aManifestflags); i++){
      if( cachedManifest&aManifestflags[i].flg ) {
        azManifests[numManifests++] = aManifestflags[i].fname;
      }
    }
    blob_zero(&repo);
    if( file_tree_name(g.zRepositoryName, &repo, 0, 0) ){
      const char *zRepo = blob_str(&repo);
      azRepo[0] = zRepo;
      azRepo[1] = mprintf("%s-journal", zRepo);
      azRepo[2] = mprintf("%s-wal", zRepo);
      azRepo[3] = mprintf("%s-shm", zRepo);
    }
  }

  if( N<0 ) return 0;
  if( N<count(azName) ) return azName[N];
  N -= count(azName);
  if( cachedManifest ){
    if( N<numManifests ) return azManifests[N];
    N -= numManifests;
  }
  if( !omitRepo && N<count(azRepo) ) return azRepo[N];
  return 0;
}

/*
** Return a list of all reserved filenames as an SQL list.

}


/*
** If the "manifest" setting is true, then automatically generate
** files named "manifest" and "manifest.uuid" containing, respectively,
** the text of the manifest and the artifact ID of the manifest.
** If the manifest setting is set, but is not a boolean value, then treat
** each character as a flag to enable writing "manifest", "manifest.uuid" or
** "manifest.tags".
*/
void manifest_to_disk(int vid){
  char *zManFile;
  Blob manifest;
  Blob hash;
  Blob taglist;
  int flg;

  flg = db_get_manifest_setting();
  if( flg ){
    if( flg & (MFESTFLG_RAW|MFESTFLG_UUID) ){
      blob_zero(&manifest);
      content_get(vid, &manifest);
      zManFile = mprintf("%smanifest", g.zLocalRoot);
      blob_zero(&hash);
      sha1sum_blob(&manifest, &hash);
      sterilize_manifest(&manifest);
		if( flg & MFESTFLG_RAW ){
        blob_write_to_file(&manifest, zManFile);
      }
      free(zManFile);
    }
	 if( flg & MFESTFLG_UUID ){
      zManFile = mprintf("%smanifest.uuid", g.zLocalRoot);
      blob_append(&hash, "\n", 1);
      blob_write_to_file(&hash, zManFile);
      free(zManFile);
      blob_reset(&hash);
    }
	 if( flg & MFESTFLG_TAGS ){
      blob_zero(&taglist);
      zManFile = mprintf("%smanifest.tags", g.zLocalRoot);
      get_checkin_taglist(vid, &taglist);
      blob_write_to_file(&taglist, zManFile);
      free(zManFile);
    }
  }else{
    if( !db_exists("SELECT 1 FROM vfile WHERE pathname='manifest'") ){
      zManFile = mprintf("%smanifest", g.zLocalRoot);
      file_delete(zManFile);
      free(zManFile);
    }
    if( !db_exists("SELECT 1 FROM vfile WHERE pathname='manifest.uuid'") ){
      zManFile = mprintf("%smanifest.uuid", g.zLocalRoot);
      file_delete(zManFile);
      free(zManFile);
    }
    if( !db_exists("SELECT 1 FROM vfile WHERE pathname='manifest.tags'") ){
      zManFile = mprintf("%smanifest.tags", g.zLocalRoot);
      file_delete(zManFile);
      free(zManFile);
    }
  }

}

void get_checkin_taglist(int rid, Blob *pOut){
  char *zTags;
  Stmt stmt;
  blob_reset(pOut);
  db_prepare(&stmt, "SELECT substr(tagname, 5)"
                    "  FROM tagxref, tag"
                    " WHERE tagxref.rid=%d"
                    "   AND tag.tagid=tagxref.tagid"
                    "   AND tag.tagname GLOB 'sym-*'", rid);
  while( db_step(&stmt)==SQLITE_ROW ){
    const char *zName;
    zName = db_column_text(&stmt, 0);
    blob_appendf(pOut, "%s\n", zName);
  }
  db_reset(&stmt);
  db_finalize(&stmt);
}


/*
** COMMAND: checkout*
** COMMAND: co*
**
** Usage: %fossil checkout ?VERSION | --latest? ?OPTIONS?
**    or: %fossil co ?VERSION | --latest? ?OPTIONS?

}
int db_lget_int(const char *zName, int dflt){
  return db_int(dflt, "SELECT value FROM vvar WHERE name=%Q", zName);
}
void db_lset_int(const char *zName, int value){
  db_multi_exec("REPLACE INTO vvar(name,value) VALUES(%Q,%d)", zName, value);
}

#if INTERFACE
/* Manifest generation flags */
#define MFESTFLG_RAW  0x01
#define MFESTFLG_UUID 0x02
#define MFESTFLG_TAGS 0x04
#endif /* INTERFACE */

/*
** Get the manifest setting.  For backwards compatibility first check if the
** value is a boolean.  If it's not a boolean, treat each character as a flag
** to enable a manifest type.  This system puts certain boundary conditions on
** which letters can be used to represent flags (any permutation fo flags must
** not be able to fully form one of the boolean values).
*/
int db_get_manifest_setting(void){
  int flg;
  char *zNVVal = db_get("manifest", "off");
  char *zVal = db_get_versioned("manifest", zNVVal);
  if( is_false(zVal) ){
    return 0;
  }else if( is_truth(zVal) ) {
    return MFESTFLG_RAW|MFESTFLG_UUID;
  }
  flg = 0;
  while( *zVal ){
   switch( *zVal ){
     case 'r': flg |= MFESTFLG_RAW;  break;
     case 'u': flg |= MFESTFLG_UUID; break;
     case 't': flg |= MFESTFLG_TAGS; break;
    }
    zVal++;
  }
  return flg;
}


/*
** Record the name of a local repository in the global_config() database.
** The repository filename %s is recorded as an entry with a "name" field
** of the following form:
**
**       repo:%s

  { "hash-digits",      0,              5, 0, 0, "10"                  },
  { "http-port",        0,             16, 0, 0, "8080"                },
  { "https-login",      0,              0, 0, 0, "off"                 },
  { "ignore-glob",      0,             40, 1, 0, ""                    },
  { "keep-glob",        0,             40, 1, 0, ""                    },
  { "localauth",        0,              0, 0, 0, "off"                 },
  { "main-branch",      0,             40, 0, 0, "trunk"               },
  { "manifest",         0,              5, 0, 0, "off"                 },
  { "max-loadavg",      0,             25, 0, 0, "0.0"                 },
  { "max-upload",       0,             25, 0, 0, "250000"              },
  { "mtime-changes",    0,              0, 0, 0, "on"                  },
#if FOSSIL_ENABLE_LEGACY_MV_RM
  { "mv-rm-files",      0,              0, 0, 0, "off"                 },
#endif
  { "pgp-command",      0,             40, 0, 0, "gpg --clearsign -o " },

**    localauth        If enabled, require that HTTP connections from
**                     127.0.0.1 be authenticated by password.  If
**                     false, all HTTP requests from localhost have
**                     unrestricted access to the repository.
**
**    main-branch      The primary branch for the project.  Default: trunk
**
**    manifest         If set to a true boolean value, automatically create
**     (versionable)   files "manifest" and "manifest.uuid" in every checkout.
**                     Optionally use combinations of characters 'r'
**                     for "manifest", 'u' for "manifest.uuid" and 't' for
**                     "manifest.tags".  The SQLite and Fossil repositories
**                     both require manifests.  Default: off.
**
**    max-loadavg      Some CPU-intensive web pages (ex: /zip, /tarball, /blame)
**                     are disallowed if the system load average goes above this
**                     value.  "0.0" means no limit.  This only works on unix.
**                     Only local settings of this value make a difference since
**                     when running as a web-server, Fossil does not open the
**                     global configuration database.

  if( zDir && zDir[0] ){
    blob_appendf(&filename, "%s/", zDir);
  }
  nPrefix = blob_size(&filename);

  pManifest = manifest_get(rid, CFTYPE_MANIFEST, 0);
  if( pManifest ){
    int flg;
    mTime = (pManifest->rDate - 2440587.5)*86400.0;
    tar_begin(mTime);
    flg = db_get_manifest_setting();
    if( flg ){
      if( flg & (MFESTFLG_RAW|MFESTFLG_UUID) ){
        if( flg & MFESTFLG_RAW ){
          blob_append(&filename, "manifest", -1);
          zName = blob_str(&filename);
        }
        if( flg & MFESTFLG_UUID ){
          sha1sum_blob(&mfile, &hash);
        }
        if( flg & MFESTFLG_RAW ) {
          sterilize_manifest(&mfile);
          tar_add_file(zName, &mfile, 0, mTime);
        }
      }
      blob_reset(&mfile);
      if( flg & MFESTFLG_UUID ){
        blob_append(&hash, "\n", 1);
        blob_resize(&filename, nPrefix);
        blob_append(&filename, "manifest.uuid", -1);
        zName = blob_str(&filename);
        tar_add_file(zName, &hash, 0, mTime);
        blob_reset(&hash);
      }
      if( flg & MFESTFLG_TAGS ){
        Blob tagslist;
        blob_zero(&tagslist);
        get_checkin_taglist(rid, &tagslist);
        blob_resize(&filename, nPrefix);
        blob_append(&filename, "manifest.tags", -1);
        tar_add_file(zName, &tagslist, 0, mTime);
        blob_reset(&tagslist);
      }
    }
    manifest_file_rewind(pManifest);
    while( (pFile = manifest_file_next(pManifest,0))!=0 ){
      int fid = uuid_to_rid(pFile->zUuid, 0);
      if( fid ){
        content_get(fid, &file);
        blob_resize(&filename, nPrefix);