Fossil

/*
** Call this routine when a database error occurs.
*/
static void db_err(const char *zFormat, ...){
  va_list ap;
  char *z;
  int rc = 1;
  static const char zRebuildMsg[] =
      "If you have recently updated your fossil executable, you might\n"
      "need to run \"fossil all rebuild\" to bring the repository\n"
      "schemas up to date.\n";
  va_start(ap, zFormat);
  z = vmprintf(zFormat, ap);
  va_end(ap);
#ifdef FOSSIL_ENABLE_JSON
  if( g.json.isJsonMode ){
    json_err( 0, z, 1 );
    if( g.isHTTP ){
      rc = 0 /* avoid HTTP 500 */;
    }
  }
  else
#endif /* FOSSIL_ENABLE_JSON */
  if( g.xferPanic ){
    cgi_reset_content();
    @ error Database\serror:\s%F(z)
      cgi_reply();
  }
  else if( g.cgiOutput ){
    g.cgiOutput = 0;
    cgi_printf("<h1>Database Error</h1>\n"
               "<pre>%h</pre>\n<p>%s</p>\n", z, zRebuildMsg);
    cgi_reply();
  }else{
    fprintf(stderr, "%s: %s\n\n%s", g.argv[0], z, zRebuildMsg);
  }
  free(z);
  db_force_rollback();
  fossil_exit(rc);
}

/*

  { "diff-command",     0,             40, 0, 0, ""                    },
  { "dont-push",        0,              0, 0, 0, "off"                 },
  { "editor",           0,             32, 0, 0, ""                    },
  { "empty-dirs",       0,             40, 1, 0, ""                    },
  { "encoding-glob",    0,             40, 1, 0, ""                    },
  { "gdiff-command",    0,             40, 0, 0, "gdiff"               },
  { "gmerge-command",   0,             40, 0, 0, ""                    },

  { "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,              0, 1, 0, "off"                 },

**                     diff. If undefined, text diff will be used.
**
**    gmerge-command   A graphical merge conflict resolver command operating
**                     on four files.
**                     Ex: kdiff3 "%baseline" "%original" "%merge" -o "%output"
**                     Ex: xxdiff "%original" "%baseline" "%merge" -M "%output"
**                     Ex: meld "%baseline" "%original" "%merge" "%output"



**
**    http-port        The TCP/IP port number to use by the "server"
**                     and "ui" commands.  Default: 8080
**
**    https-login      Send login credentials using HTTPS instead of HTTP
**                     even if the login page request came via HTTP.
**

      fossil_fatal("no such setting: %s", zName);
    }
    if( globalFlag && fossil_strcmp(pSetting->name, "manifest")==0 ){
      fossil_fatal("cannot set 'manifest' globally");
    }
    if( unsetFlag || g.argc==4 ){
      int isManifest = fossil_strcmp(pSetting->name, "manifest")==0;

      if( pSetting[1].name && fossil_strncmp(pSetting[1].name, zName, n)==0 ){
        Blob x;
        int i;
        blob_init(&x,0,0);
        for(i=0; pSetting[i].name; i++){
          if( fossil_strncmp(pSetting[i].name,zName,n)!=0 ) break;
          blob_appendf(&x, " %s", pSetting[i].name);
        }