can't read "dir": no such variable
    while executing
"file join $dir oometa.tcl"
    (in namespace eval "::request" script line 7)
    invoked from within
"namespace eval ::request $script"
    ("::try" body line 12)
OUTPUT BUFFER:
#checker -scope global exclude warnUndefinedVar
# var in question is 'dir'.
if {![package vsatisfies [package provide Tcl] 8.6]} {
    # PRAGMA: returnok
    return
}
package ifneeded oo::meta   0.7.1 [list source [file join $dir oometa.tcl]]
package ifneeded oo::option 0.3.1 [list source [file join $dir oooption.tcl]]