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https://github.com/ilyakooo0/nixpkgs.git
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6ed6d323fe
Now the mtime problems are gone, but EC2 Hydra builders are still having some problems: https://hydra.nixos.org/build/66043835
58 lines
1.7 KiB
Nix
58 lines
1.7 KiB
Nix
{ stdenv, squashfsTools, perl, pathsFromGraph
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, # The root directory of the squashfs filesystem is filled with the
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# closures of the Nix store paths listed here.
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storeContents ? []
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}:
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stdenv.mkDerivation {
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name = "squashfs.img";
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buildInputs = [perl squashfsTools];
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# For obtaining the closure of `storeContents'.
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exportReferencesGraph =
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map (x: [("closure-" + baseNameOf x) x]) storeContents;
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buildCommand =
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''
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# Add the closures of the top-level store objects.
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storePaths=$(perl ${pathsFromGraph} closure-*)
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# If a Hydra slave happens to have store paths with bad permissions/mtime,
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# abort now so that they don't end up in ISO images in the channel.
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# https://github.com/NixOS/nixpkgs/issues/32242
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hasBadPaths=""
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for path in $storePaths; do
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if [ -h "$path" ]; then
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continue
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fi
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mtime=$(stat -c %Y "$path")
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mode=$(stat -c %a "$path")
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if [ "$mtime" != 1 ]; then
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echo "Store path '$path' has an invalid mtime."
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hasBadPaths=1
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fi
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if [ "$mode" != 444 ] && [ "$mode" != 555 ]; then
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echo "Store path '$path' has invalid permissions ($mode)."
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hasBadPaths=1
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fi
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done
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if [ -n "$hasBadPaths" ]; then
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echo "You have bad paths in your store, please fix them."
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exit 1
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fi
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# Also include a manifest of the closures in a format suitable
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# for nix-store --load-db.
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printRegistration=1 perl ${pathsFromGraph} closure-* > nix-path-registration
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# Generate the squashfs image.
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mksquashfs nix-path-registration $storePaths $out \
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-keep-as-directory -all-root -b 1048576 -comp xz -Xdict-size 100%
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'';
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}
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