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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at
set -e
# Update the icu4x binary data for a given release:
# Usage: <URL of ICU GIT> <release tag name> <CLDR version> <ICU release tag name> <ICU4X version of icu_capi>
# icu@1.4.0 44.0.0 release-74-1 1.4.0
# Update to the main branch:
# Usage: <URL of ICU GIT> <branch> <CLDR version> <ICU release tag name> <ICU4X version of icu_capi>
# main 44.0.0 release-74-1 1.4.0
# default
if [ $# -lt 2 ]; then
echo "Usage: <URL of ICU4X GIT> <ICU4X release tag name> <CLDR version> <ICU release tag name> <ICU4X version for icu_capi>"
echo "Example: icu@1.4.0 44.0.0 release-74-1 1.4.0"
exit 1
# Make a log function so the output is easy to read.
log() {
printf "${CYAN}[update-icu4x]${CLEAR} $*\n"
# Specify locale and time zone information for consistent output and reproduceability.
export TZ=UTC
export LANG=en_US.UTF-8
export LANGUAGE=en_US
export LC_ALL=en_US.UTF-8
# Define all of the paths.
top_src_dir=$(cd -- "$(dirname "$0")/.." >/dev/null 2>&1 ; pwd -P)
log "Remove the old data"
rm -rf ${segmenter_data_dir}
log "Download icuexportdata"
tmpicuexportdir=$(mktemp -d)
icuexport_filename=`echo "icuexportdata_${icuexport}.zip" | sed "s/\//-/g"`
cd ${tmpicuexportdir}
log "Patching icuexportdata to reduce data size"
unzip ${icuexport_filename}
for toml in \
burmesedict.toml \
khmerdict.toml \
laodict.toml \
thaidict.toml \
; do
cp ${top_src_dir}/intl/icu4x-patches/empty.toml ${tmpicuexportdir}/segmenter/dictionary/$toml
log "Clone ICU4X"
tmpclonedir=$(mktemp -d)
git clone --depth 1 --branch $2 $1 ${tmpclonedir}
log "Change the directory to the cloned repo"
log ${tmpclonedir}
cd ${tmpclonedir}
log "Copy icu_capi crate to local since we need a patched version"
rm -rf ${top_src_dir}/intl/icu_capi
tar xf icu_capi.tar.gz -C ${top_src_dir}/intl
mv ${top_src_dir}/intl/icu_capi-${icu4x_version} ${top_src_dir}/intl/icu_capi
rm -rf icu_capi_tar.gz
log "Patching icu_capi"
for patch in \
001-Cargo.toml.patch \
002-GH4109.patch \
003-explicit.patch \
004-dead-code.patch \
; do
patch -d ${top_src_dir} -p1 --no-backup-if-mismatch < ${top_src_dir}/intl/icu4x-patches/$patch
# ICU4X 1.3 or later with icu_capi uses each compiled_data crate.
log "Run the icu4x-datagen tool to regenerate the segmenter data."
log "Saving the data into: ${segmenter_data_dir}"
# TODO(Bug 1741262) - Should locales be filtered as well? It doesn't appear that the existing ICU
# data builder is using any locale filtering.
# --keys <KEYS>...
# Include this resource key in the output. Accepts multiple arguments.
# --key-file <KEY_FILE>
# Path to text file with resource keys to include, one per line. Empty lines and
# lines starting with '#' are ignored.
cargo run --bin icu4x-datagen \
--features=bin \
-- \
--cldr-tag ${cldr} \
--icuexport-root ${tmpicuexportdir} \
--keys segmenter/dictionary/w_auto@1 \
--keys segmenter/dictionary/wl_ext@1 \
--keys segmenter/grapheme@1 \
--keys segmenter/line@1 \
--keys segmenter/lstm/wl_auto@1 \
--keys segmenter/sentence@1 \
--keys segmenter/word@1 \
--all-locales \
--format mod \
--out ${segmenter_data_dir} \
log "Record the current cloned git information to:"
log ${git_info_file}
# (This ensures that if ICU modifications are performed properly, it's always
# possible to run the command at the top of this script and make no changes to
# the tree.)
git -C ${tmpclonedir} log -1 > ${git_info_file}
log "Clean up the tmp directory"
cd ${original_pwd}
rm -rf ${tmpclonedir}
rm -rf ${tmpicuexportdir}