koch.nim: don't use --git-dir; produces weird results
koch.nim: don't use --git-dir; produces weird results

tulayang/Nim,tulayang/Nim,russpowers/Nim,dom96/Nim,dom96/Nim,russpowers/Nim,dom96/Nim,dom96/Nim,tulayang/Nim,tulayang/Nim,russpowers/Nim,dom96/Nim,russpowers/Nim,tulayang/Nim,tulayang/Nim,russpowers/Nim,dom96/Nim,dom96/Nim,russpowers/Nim,russpowers/Nim