Refactor common unionfs-fuse initrd prep into a separate module
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3eb0faf317
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@ -194,25 +194,14 @@ in
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boot.initrd.availableKernelModules = [ "squashfs" "iso9660" ];
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boot.initrd.kernelModules = [ "loop" "fuse" ];
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boot.initrd.kernelModules = [ "loop" ];
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boot.kernelModules = pkgs.stdenv.lib.optional config.isoImage.makeEfiBootable "efivars";
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# Need unionfs-fuse
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boot.initrd.extraUtilsCommands = ''
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cp -v ${pkgs.fuse}/lib/libfuse* $out/lib
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cp -v ${pkgs.unionfs-fuse}/bin/unionfs $out/bin
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'';
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# In stage 1, mount a tmpfs on top of / (the ISO image) and
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# /nix/store (the squashfs image) to make this a live CD.
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boot.initrd.postMountCommands =
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''
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# Hacky!!! fuse hard-codes the path to mount
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mkdir -p /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.utillinux.name}/bin
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ln -s $(which mount) /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.utillinux.name}/bin
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ln -s $(which umount) /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.utillinux.name}/bin
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mkdir -p /unionfs-chroot$targetRoot
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mount --rbind $targetRoot /unionfs-chroot$targetRoot
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@ -318,7 +307,7 @@ in
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'';
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# Add vfat support to the initrd to enable people to copy the
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# contents of the CD to a bootable USB stick.
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boot.initrd.supportedFilesystems = [ "vfat" ];
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# contents of the CD to a bootable USB stick. Need unionfs-fuse for union mounts
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boot.initrd.supportedFilesystems = [ "vfat" "unionfs-fuse" ];
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}
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@ -214,6 +214,7 @@
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./tasks/filesystems/ext.nix
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./tasks/filesystems/nfs.nix
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./tasks/filesystems/reiserfs.nix
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./tasks/filesystems/unionfs-fuse.nix
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./tasks/filesystems/vfat.nix
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./tasks/filesystems/xfs.nix
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./tasks/kbd.nix
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19
modules/tasks/filesystems/unionfs-fuse.nix
Normal file
19
modules/tasks/filesystems/unionfs-fuse.nix
Normal file
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@ -0,0 +1,19 @@
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{ config, pkgs, ... }:
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{
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config = pkgs.lib.mkIf (pkgs.lib.any (fs: fs == "unionfs-fuse") config.boot.initrd.supportedFilesystems) {
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boot.initrd.kernelModules = [ "fuse" ];
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boot.initrd.extraUtilsCommands = ''
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cp -v ${pkgs.fuse}/lib/libfuse* $out/lib
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cp -v ${pkgs.unionfs-fuse}/bin/unionfs $out/bin
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'';
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boot.initrd.postDeviceCommands = ''
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# Hacky!!! fuse hard-codes the path to mount
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mkdir -p /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.utillinux.name}/bin
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ln -s $(which mount) /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.utillinux.name}/bin
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ln -s $(which umount) /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.utillinux.name}/bin
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'';
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};
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}
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@ -252,16 +252,12 @@ in
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boot.initrd.availableKernelModules =
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[ "cifs" "nls_utf8" "hmac" "md4" "ecb" "des_generic" ];
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# unionfs-fuse expects fuse to be loaded
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boot.initrd.kernelModules = optional cfg.writableStore [ "fuse" ];
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boot.initrd.supportedFilesystems = optional cfg.writableStore "unionfs-fuse";
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boot.initrd.extraUtilsCommands =
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''
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# We need mke2fs in the initrd.
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cp ${pkgs.e2fsprogs}/sbin/mke2fs $out/bin
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'' + optionalString cfg.writableStore ''
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cp -v ${pkgs.fuse}/lib/libfuse* $out/lib
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cp -v ${pkgs.unionfs-fuse}/bin/unionfs $out/bin
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'';
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boot.initrd.postDeviceCommands =
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@ -290,11 +286,6 @@ in
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mkdir -p $targetRoot/boot
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mount -o remount,ro $targetRoot/nix/store
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${optionalString cfg.writableStore ''
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# Hacky!!! fuse hard-codes the path to mount
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mkdir -p /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.utillinux.name}/bin
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ln -s $(which mount) /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.utillinux.name}/bin
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ln -s $(which umount) /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.utillinux.name}/bin
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mkdir -p /unionfs-chroot$targetRoot
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mount --rbind $targetRoot /unionfs-chroot$targetRoot
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