50 lines
1.4 KiB
Nix
50 lines
1.4 KiB
Nix
{
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config
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, pkgs
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, lib
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, ...
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}:
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let
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inherit (pkgs) closureInfo;
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inherit (lib) mkIf;
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in
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{
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imports = [
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./initramfs.nix
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];
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config = mkIf (config.rootfsType == "jffs2") {
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kernel.config.JFFS2_FS = "y";
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boot.initramfs.enable = true;
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outputs = rec {
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systemConfiguration =
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pkgs.pkgsBuildBuild.systemconfig config.filesystem.contents;
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rootfs =
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let
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inherit (pkgs.pkgsBuildBuild) runCommand mtdutils;
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endian = if pkgs.stdenv.isBigEndian
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then "--big-endian" else "--little-endian";
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in runCommand "make-jffs2" {
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depsBuildBuild = [ mtdutils ];
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} ''
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mkdir -p $TMPDIR/empty/nix/store/
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cp ${systemConfiguration}/activate $TMPDIR/empty/activate
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pkgClosure=${closureInfo {
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rootPaths = [ systemConfiguration ];
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}}
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cp $pkgClosure/registration nix-path-registration
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grafts=$(sed < $pkgClosure/store-paths 's/^\(.*\)$/--graft \1:\1/g')
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mkfs.jffs2 ${endian} -e ${config.hardware.flash.eraseBlockSize} --pad --root $TMPDIR/empty --output $out $grafts
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'';
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jffs2boot =
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let o = config.outputs; in
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pkgs.runCommand "jffs2boot" {} ''
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mkdir $out
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cd $out
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ln -s ${o.rootfs} rootfs
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ln -s ${o.kernel} vmlinux
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ln -s ${o.manifest} manifest
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ln -s ${o.initramfs} initramfs
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'';
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};
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};
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}
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