Differences From Artifact [4f6e43e19f]:

• File src/diffcmd.c — part of check-in [b3ec774ab7] at 2008-02-08 16:24:24 on branch trunk — Fail with an error if a file is outside the checkout tree. (user: drh size: 4017)

To Artifact [bf0ebffd4d]:

• File src/diffcmd.c — part of check-in [2ecc407d9b] at 2008-07-23 13:01:23 on branch trunk — The "extra" and "clean" commands ignore the repository file if the repository happens to be within the check-out. Ticket [c7b35be88]. (user: drh size: 4020)

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    if( zExternalCommand==0 ){
      internalDiff=1;
    }
    blob_zero(&cmd);
    blob_appendf(&cmd, "%s ", zExternalCommand);
  }
  zFile = g.argv[g.argc-1];
  file_tree_name(zFile, &fname);
  file_tree_name(zFile, &fname, 1);

  blob_zero(&vname);
  do{
    blob_reset(&vname);
    blob_appendf(&vname, "%s~%d", zFile, cnt++);
  }while( access(blob_str(&vname),0)==0 );