302 lines
8.1 KiB
Elixir
302 lines
8.1 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Mix.Tasks.Pleroma.Emoji do
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use Mix.Task
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@shortdoc "Manages emoji packs"
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@moduledoc """
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Manages emoji packs
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## ls-packs
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mix pleroma.emoji ls-packs [OPTION...]
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Lists the emoji packs and metadata specified in the manifest.
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### Options
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- `-m, --manifest PATH/URL` - path to a custom manifest, it can
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either be an URL starting with `http`, in that case the
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manifest will be fetched from that address, or a local path
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## get-packs
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mix pleroma.emoji get-packs [OPTION...] PACKS
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Fetches, verifies and installs the specified PACKS from the
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manifest into the `STATIC-DIR/emoji/PACK-NAME`
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### Options
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- `-m, --manifest PATH/URL` - same as ls-packs
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## gen-pack
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mix pleroma.emoji gen-pack PACK-URL
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Creates a new manifest entry and a file list from the specified
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remote pack file. Currently, only .zip archives are recognized
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as remote pack files and packs are therefore assumed to be zip
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archives. This command is intended to run interactively and will
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first ask you some basic questions about the pack, then download
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the remote file and generate an SHA256 checksum for it, then
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generate an emoji file list for you.
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The manifest entry will either be written to a newly created
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`index.json` file or appended to the existing one, *replacing*
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the old pack with the same name if it was in the file previously.
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The file list will be written to the file specified previously,
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*replacing* that file. You _should_ check that the file list doesn't
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contain anything you don't need in the pack, that is, anything that is
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not an emoji (the whole pack is downloaded, but only emoji files
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are extracted).
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"""
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@default_manifest Pleroma.Config.get!([:emoji, :default_manifest])
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def run(["ls-packs" | args]) do
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Application.ensure_all_started(:hackney)
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{options, [], []} = parse_global_opts(args)
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manifest =
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fetch_manifest(if options[:manifest], do: options[:manifest], else: @default_manifest)
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Enum.each(manifest, fn {name, info} ->
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to_print = [
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{"Name", name},
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{"Homepage", info["homepage"]},
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{"Description", info["description"]},
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{"License", info["license"]},
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{"Source", info["src"]}
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]
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for {param, value} <- to_print do
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IO.puts(IO.ANSI.format([:bright, param, :normal, ": ", value]))
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end
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# A newline
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IO.puts("")
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end)
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end
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def run(["get-packs" | args]) do
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Application.ensure_all_started(:hackney)
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{options, pack_names, []} = parse_global_opts(args)
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manifest_url = if options[:manifest], do: options[:manifest], else: @default_manifest
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manifest = fetch_manifest(manifest_url)
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for pack_name <- pack_names do
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if Map.has_key?(manifest, pack_name) do
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pack = manifest[pack_name]
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src_url = pack["src"]
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IO.puts(
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IO.ANSI.format([
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"Downloading ",
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:bright,
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pack_name,
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:normal,
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" from ",
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:underline,
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src_url
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])
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)
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binary_archive = Tesla.get!(client(), src_url).body
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archive_sha = :crypto.hash(:sha256, binary_archive) |> Base.encode16()
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sha_status_text = ["SHA256 of ", :bright, pack_name, :normal, " source file is ", :bright]
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if archive_sha == String.upcase(pack["src_sha256"]) do
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IO.puts(IO.ANSI.format(sha_status_text ++ [:green, "OK"]))
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else
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IO.puts(IO.ANSI.format(sha_status_text ++ [:red, "BAD"]))
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raise "Bad SHA256 for #{pack_name}"
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end
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# The url specified in files should be in the same directory
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files_url = Path.join(Path.dirname(manifest_url), pack["files"])
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IO.puts(
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IO.ANSI.format([
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"Fetching the file list for ",
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:bright,
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pack_name,
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:normal,
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" from ",
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:underline,
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files_url
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])
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)
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files = Tesla.get!(client(), files_url).body |> Poison.decode!()
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IO.puts(IO.ANSI.format(["Unpacking ", :bright, pack_name]))
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pack_path =
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Path.join([
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Pleroma.Config.get!([:instance, :static_dir]),
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"emoji",
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pack_name
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])
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files_to_unzip =
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Enum.map(
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files,
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fn {_, f} -> to_charlist(f) end
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)
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{:ok, _} =
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:zip.unzip(binary_archive,
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cwd: pack_path,
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file_list: files_to_unzip
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)
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IO.puts(IO.ANSI.format(["Writing emoji.txt for ", :bright, pack_name]))
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emoji_txt_str =
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Enum.map(
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files,
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fn {shortcode, path} ->
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emojo_path = Path.join("/emoji/#{pack_name}", path)
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"#{shortcode}, #{emojo_path}"
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end
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)
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|> Enum.join("\n")
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File.write!(Path.join(pack_path, "emoji.txt"), emoji_txt_str)
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else
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IO.puts(IO.ANSI.format([:bright, :red, "No pack named \"#{pack_name}\" found"]))
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end
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end
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end
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def run(["gen-pack", src]) do
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Application.ensure_all_started(:hackney)
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proposed_name = Path.basename(src) |> Path.rootname()
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name = String.trim(IO.gets("Pack name [#{proposed_name}]: "))
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# If there's no name, use the default one
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name = if String.length(name) > 0, do: name, else: proposed_name
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license = String.trim(IO.gets("License: "))
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homepage = String.trim(IO.gets("Homepage: "))
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description = String.trim(IO.gets("Description: "))
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proposed_files_name = "#{name}.json"
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files_name = String.trim(IO.gets("Save file list to [#{proposed_files_name}]: "))
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files_name = if String.length(files_name) > 0, do: files_name, else: proposed_files_name
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default_exts = [".png", ".gif"]
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default_exts_str = Enum.join(default_exts, " ")
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exts =
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String.trim(
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IO.gets("Emoji file extensions (separated with spaces) [#{default_exts_str}]: ")
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)
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exts =
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if String.length(exts) > 0 do
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String.split(exts, " ")
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|> Enum.filter(fn e -> e |> String.trim() |> String.length() > 0 end)
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else
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default_exts
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end
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IO.puts("Downloading the pack and generating SHA256")
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binary_archive = Tesla.get!(client(), src).body
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archive_sha = :crypto.hash(:sha256, binary_archive) |> Base.encode16()
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IO.puts("SHA256 is #{archive_sha}")
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pack_json = %{
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name => %{
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license: license,
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homepage: homepage,
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description: description,
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src: src,
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src_sha256: archive_sha,
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files: files_name
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}
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}
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tmp_pack_dir = Path.join(System.tmp_dir!(), "emoji-pack-#{name}")
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{:ok, _} =
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:zip.unzip(
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binary_archive,
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cwd: tmp_pack_dir
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)
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emoji_map = Pleroma.Emoji.make_shortcode_to_file_map(tmp_pack_dir, exts)
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File.write!(files_name, Poison.encode!(emoji_map, pretty: true))
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IO.puts("""
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#{files_name} has been created and contains the list of all found emojis in the pack.
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Please review the files in the remove those not needed.
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""")
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if File.exists?("index.json") do
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existing_data = File.read!("index.json") |> Poison.decode!()
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File.write!(
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"index.json",
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Poison.encode!(
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Map.merge(
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existing_data,
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pack_json
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),
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pretty: true
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)
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)
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IO.puts("index.json file has been update with the #{name} pack")
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else
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File.write!("index.json", Poison.encode!(pack_json, pretty: true))
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IO.puts("index.json has been created with the #{name} pack")
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end
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end
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defp fetch_manifest(from) do
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Poison.decode!(
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if String.starts_with?(from, "http") do
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Tesla.get!(client(), from).body
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else
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File.read!(from)
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end
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)
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end
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defp parse_global_opts(args) do
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OptionParser.parse(
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args,
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strict: [
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manifest: :string
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],
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aliases: [
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m: :manifest
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]
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)
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end
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defp client do
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middleware = [
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{Tesla.Middleware.FollowRedirects, [max_redirects: 3]}
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]
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Tesla.client(middleware)
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end
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end
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