109 lines
2.9 KiB
Nix
109 lines
2.9 KiB
Nix
{
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lib,
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stdenv,
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callPackage,
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closureInfo,
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xorriso,
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syslinux,
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libossp_uuid,
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squashfsTools,
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# The file name of the resulting ISO image.
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isoName ? "cd.iso",
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# The files and directories to be placed in the ISO file system.
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# This is a list of attribute sets {source, target} where `source'
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# is the file system object (regular file or directory) to be
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# grafted in the file system at path `target'.
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contents,
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# In addition to `contents', the closure of the store paths listed
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# in `storeContents' are also placed in the Nix store of the CD.
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# This is a list of attribute sets {object, symlink} where `object'
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# is a store path whose closure will be copied, and `symlink' is a
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# symlink to `object' that will be added to the CD.
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storeContents ? [ ],
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# In addition to `contents', the closure of the store paths listed
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# in `squashfsContents' is compressed as squashfs and the result is
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# placed in /nix-store.squashfs on the CD.
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# FIXME: This is a performance optimization to avoid Hydra copying
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# the squashfs between builders and should be removed when Hydra
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# is smarter about scheduling.
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squashfsContents ? [ ],
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# Compression settings for squashfs
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squashfsCompression ? "xz -Xdict-size 100%",
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# Whether this should be an El-Torito bootable CD.
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bootable ? false,
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# Whether this should be an efi-bootable El-Torito CD.
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efiBootable ? false,
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# Whether this should be an hybrid CD (bootable from USB as well as CD).
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usbBootable ? false,
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# The path (in the ISO file system) of the boot image.
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bootImage ? "",
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# The path (in the ISO file system) of the efi boot image.
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efiBootImage ? "",
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# The path (outside the ISO file system) of the isohybrid-mbr image.
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isohybridMbrImage ? "",
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# Whether to compress the resulting ISO image with zstd.
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compressImage ? false,
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zstd,
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# The volume ID.
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volumeID ? "",
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}:
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assert bootable -> bootImage != "";
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assert efiBootable -> efiBootImage != "";
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assert usbBootable -> isohybridMbrImage != "";
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let
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needSquashfs = squashfsContents != [ ];
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makeSquashfsDrv = callPackage ./make-squashfs.nix {
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storeContents = squashfsContents;
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comp = squashfsCompression;
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};
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in
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stdenv.mkDerivation {
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name = isoName;
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__structuredAttrs = true;
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buildCommandPath = ./make-iso9660-image.sh;
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nativeBuildInputs = [
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xorriso
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syslinux
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zstd
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libossp_uuid
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] ++ lib.optionals needSquashfs makeSquashfsDrv.nativeBuildInputs;
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inherit
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isoName
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bootable
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bootImage
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compressImage
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volumeID
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efiBootImage
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efiBootable
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isohybridMbrImage
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usbBootable
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;
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sources = map (x: x.source) contents;
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targets = map (x: x.target) contents;
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objects = map (x: x.object) storeContents;
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symlinks = map (x: x.symlink) storeContents;
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squashfsCommand = lib.optionalString needSquashfs makeSquashfsDrv.buildCommand;
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# For obtaining the closure of `storeContents'.
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closureInfo = closureInfo { rootPaths = map (x: x.object) storeContents; };
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}
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