third_party/jpeg-xl/deps.sh

   1 #!/usr/bin/env bash
   2 # Copyright (c) the JPEG XL Project Authors. All rights reserved.
   3 #
   4 # Use of this source code is governed by a BSD-style
   5 # license that can be found in the LICENSE file.
   6
   7 # This file downloads the dependencies needed to build JPEG XL into third_party.
   8 # These dependencies are normally pulled by git.
   9
  10 set -eu
  11
  12 MYDIR=$(dirname $(realpath "$0"))
  13
  14 # Git revisions we use for the given submodules. Update these whenever you
  15 # update a git submodule.
  16 TESTDATA="873045a9c42ed60721756e26e2a6b32e17415205"
  17 THIRD_PARTY_BROTLI="36533a866ed1ca4b75cf049f4521e4ec5fe24727"
  18 THIRD_PARTY_HIGHWAY="58b52a717469e62b2d9b8eaa2f5dddb44d4a4cbf"
  19 THIRD_PARTY_SKCMS="42030a771244ba67f86b1c1c76a6493f873c5f91"
  20 THIRD_PARTY_SJPEG="e5ab13008bb214deb66d5f3e17ca2f8dbff150bf"
  21 THIRD_PARTY_ZLIB="51b7f2abdade71cd9bb0e7a373ef2610ec6f9daf" # v1.3.1
  22 THIRD_PARTY_LIBPNG="f135775ad4e5d4408d2e12ffcc71bb36e6b48551" # v1.6.40
  23 THIRD_PARTY_LIBJPEG_TURBO="8ecba3647edb6dd940463fedf38ca33a8e2a73d1" # 2.1.5.1
  24
  25 # Download the target revision from GitHub.
  26 download_github() {
  27   local path="$1"
  28   local project="$2"
  29
  30   local varname=`echo "$path" | tr '[:lower:]' '[:upper:]'`
  31   varname="${varname//[\/-]/_}"
  32   local sha
  33   eval "sha=\${${varname}}"
  34
  35   local down_dir="${MYDIR}/downloads"
  36   local local_fn="${down_dir}/${sha}.tar.gz"
  37   if [[ -e "${local_fn}" && -d "${MYDIR}/${path}" ]]; then
  38     echo "${path} already up to date." >&2
  39     return 0
  40   fi
  41
  42   local url
  43   local strip_components=0
  44   if [[ "${project:0:4}" == "http" ]]; then
  45     # "project" is a googlesource.com base url.
  46     url="${project}${sha}.tar.gz"
  47   else
  48     # GitHub files have a top-level directory
  49     strip_components=1
  50     url="https://github.com/${project}/tarball/${sha}"
  51   fi
  52
  53   echo "Downloading ${path} version ${sha}..." >&2
  54   mkdir -p "${down_dir}"
  55   curl -L --show-error -o "${local_fn}.tmp" "${url}"
  56   mkdir -p "${MYDIR}/${path}"
  57   tar -zxf "${local_fn}.tmp" -C "${MYDIR}/${path}" \
  58     --strip-components="${strip_components}"
  59   mv "${local_fn}.tmp" "${local_fn}"
  60 }
  61
  62 is_git_repository() {
  63     local dir="$1"
  64     local toplevel=$(git rev-parse --show-toplevel)
  65
  66     [[ "${dir}" == "${toplevel}" ]]
  67 }
  68
  69
  70 main() {
  71   if is_git_repository "${MYDIR}"; then
  72     cat >&2 <<EOF
  73 Current directory is a git repository, downloading dependencies via git:
  74
  75   git submodule update --init --recursive
  76
  77 EOF
  78     git -C "${MYDIR}" submodule update --init --recursive --depth 1 --recommend-shallow
  79     return 0
  80   fi
  81
  82   # Sources downloaded from a tarball.
  83   download_github testdata libjxl/testdata
  84   download_github third_party/brotli google/brotli
  85   download_github third_party/highway google/highway
  86   download_github third_party/sjpeg webmproject/sjpeg
  87   download_github third_party/skcms \
  88     "https://skia.googlesource.com/skcms/+archive/"
  89   download_github third_party/zlib madler/zlib
  90   download_github third_party/libpng glennrp/libpng
  91   download_github third_party/libjpeg-turbo libjpeg-turbo/libjpeg-turbo
  92   echo "Done."
  93 }
  94
  95 main "$@"