16. The computer-readable-storage medium of claim 15 , wherein: the rules, when applied to subsequent seed characters identical to the second seed characters, are configured to reproduce a subsequent component code identical to the first component code; the rules are configured to create a different component code for each different set of seed characters; during the second build of the installation package: receive the subsequent seed characters associated with the first set of files; apply the rules to the subsequent seed characters associated with the first set of files to create the subsequent component code that is identical to the first component code.
15. A computer-readable-storage medium comprising instructions thereon that program a computer to perform the following: during a first build of an installation package: receive first seed characters associated with a first file to be included in the first build of the installation package; apply rules to the first seed characters to create a unique, reproducible first file code for the first file, wherein: the rules, when applied to subsequent seed characters identical to the first seed characters, are configured to reproduce a subsequent file code identical to the first file code; the rules are configured to create a different file code for each different set of seed characters; receive second seed characters associated with a first set of files to be included in the first build of the installation package, the first set of files comprising the first file; apply the rules to the second seed characters to create a unique, reproducible first component code for the first set of files; during a second build of the installation package: receive the subsequent seed characters associated with the first file; apply the rules to the subsequent seed characters associated with the first file to create the subsequent file code that is identical to the first file code; wherein: the first component code is related to the first file code; the relationship between the first component code and the first file code enables a product included in the first build of the installation package to be accessible by a product included in the second build of the installation package.