the nix store may contain hardlinks: derivations may output them directly, or users may be using store optimization which automatically hardlinks identical files in the nix store. The presence of these links are intended to be a 'transparent' optimization. However, when creating a squashfs image, the image will be different depending on whether hard links were present on the filesystem, leading to reproducibility problems. By passing '-no-hardlinks' to mksquashfs the files are stored as duplicates in the squashfs image. Since squashfs has support for duplicate files this does not lead to a larger image. For more details see https://github.com/NixOS/nixpkgs/issues/114331 |
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.. | ||
0001-Mksquashfs-add-no-hardlinks-option.patch | ||
4k-align.patch | ||
darwin.patch | ||
default.nix |