diff options
Diffstat (limited to 'nixpkgs/pkgs/build-support/snap/make-snap.nix')
-rw-r--r-- | nixpkgs/pkgs/build-support/snap/make-snap.nix | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/nixpkgs/pkgs/build-support/snap/make-snap.nix b/nixpkgs/pkgs/build-support/snap/make-snap.nix deleted file mode 100644 index cef7500bcbaf..000000000000 --- a/nixpkgs/pkgs/build-support/snap/make-snap.nix +++ /dev/null @@ -1,84 +0,0 @@ -{ - runCommand, squashfsTools, closureInfo, lib, jq, writeText -}: - -{ - # The meta parameter is the contents of the `snap.yaml`, NOT the - # `snapcraft.yaml`. - # - # - `snap.yaml` is what is inside of the final Snap, - # - `snapcraft.yaml` is used by `snapcraft` to build snaps - # - # Since we skip the `snapcraft` tool, we skip the `snapcraft.yaml` - # file. For more information: - # - # https://docs.snapcraft.io/snap-format - # - # Note: unsquashfs'ing an existing snap from the store can be helpful - # for determining what you you're missing. - # - meta -}: let - snap_yaml = let - # Validate the snap's meta contains a name. - # Also: automatically set the `base` parameter and the layout for - # the `/nix` bind. - validate = { name, ... } @ args: - args // { - # Combine the provided arguments with the required options. - - # base: built from https://github.com/NixOS/snapd-nix-base - # and published as The NixOS Foundation on the Snapcraft store. - base = "nix-base"; - layout = (args.layout or {}) // { - # Bind mount the Snap's root nix directory to `/nix` in the - # execution environment's filesystem namespace. - "/nix".bind = "$SNAP/nix"; - }; - }; - in writeText "snap.yaml" - (builtins.toJSON (validate meta)); - - # These are specifically required by snapd, so don't change them - # unless you've verified snapcraft / snapd can handle them. Best bet - # is to just mirror this list against how snapcraft creates images. - # from: https://github.com/snapcore/snapcraft/blob/b88e378148134383ffecf3658e3a940b67c9bcc9/snapcraft/internal/lifecycle/_packer.py#L96-L98 - mksquashfs_args = [ - "-noappend" "-comp" "xz" "-no-xattrs" "-no-fragments" - - # Note: We want -all-root every time, since all the files are - # owned by root anyway. This is true for Nix, but not true for - # other builds. - # from: https://github.com/snapcore/snapcraft/blob/b88e378148134383ffecf3658e3a940b67c9bcc9/snapcraft/internal/lifecycle/_packer.py#L100 - "-all-root" - ]; - -in runCommand "squashfs.img" { - nativeBuildInputs = [ squashfsTools jq ]; - - closureInfo = closureInfo { - rootPaths = [ snap_yaml ]; - }; -} '' - root=$PWD/root - mkdir $root - - ( - # Put the snap.yaml in to `/meta/snap.yaml`, setting the version - # to the hash part of the store path - mkdir $root/meta - version=$(echo $out | cut -d/ -f4 | cut -d- -f1) - cat ${snap_yaml} | jq ". + { version: \"$version\" }" \ - > $root/meta/snap.yaml - ) - - ( - # Copy the store closure in to the root - mkdir -p $root/nix/store - cat $closureInfo/store-paths | xargs -I{} cp -r {} $root/nix/store/ - ) - - # Generate the squashfs image. - mksquashfs $root $out \ - ${lib.concatStringsSep " " mksquashfs_args} -'' |