make-initrd: create reproducible initrds #21301
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To achieve reproducible results, `cpio` archive members are added in sorted order and inodes renumbered. The `cpio-clean.pl` script is made obsolete by setting mtimes via `touch` & using `cpio --reproducible`. Suggested by @dezgeg in NixOS#21273 (comment). Note that using `--reproducible` means that initial ramdisk creation now requires at least `cpio` version 2.12 (released in 2015).
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@joachifm, thanks for your PR! By analyzing the history of the files in this pull request, we identified @alexanderkjeldaas, @wkennington and @edolstra to be potential reviewers. |
abbradar
approved these changes
Dec 20, 2016
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Supercedes #21273