#!/bin/sh
# -*- Mode: sh; indent-tabs-mode: t -*-

set -e

# In LP#1758684 we got reports that the pot file generation
# is broken. To get to the bottom of this add checks here
# so that we error the build if this happens. Note that the
# strings may be update if those change but spread tests will
# tell us when it is needed.
check_canaries() {
    c1="Alternative command to run"
    c2="Name of the key to use, otherwise use the default key"
    c3="too many arguments for command"

    for canary in "$c1" "$c2" "$c3"; do
	if ! grep -q "$canary" "$OUTPUT"; then
	    echo "canary '$canary' not found, pot extraction broken"
	    ls -lh "$OUTPUT"
	    exit 1
	fi
    done
}

HERE="$(readlink -f "$(dirname "$0")")"

OUTPUT="$HERE/po/snappy.pot"
if [ -n "$1" ]; then
	OUTPUT="$1"
fi

# ensure we have our xgettext-go
go install github.com/snapcore/snapd/i18n/xgettext-go

# exclude vendor and _build subdir
I18N_FILES="$(mktemp -d)/i18n.files"
find "$HERE" -type d \( -name "vendor" -o -name "_build" \) -prune -o -name "*.go" -type f -print > "$I18N_FILES"
# shellcheck disable=SC2064
trap "rm -rf $(dirname "$I18N_FILES")" EXIT

"${GOPATH%%:*}/bin/xgettext-go" \
    -f "$I18N_FILES" \
    -o "$OUTPUT" \
    --add-comments-tag=TRANSLATORS: \
    --no-location \
    --sort-output \
    --package-name=snappy\
    --msgid-bugs-address=snappy-devel@lists.ubuntu.com \
    --keyword=i18n.G \
    --keyword-plural=i18n.DG

# check canary
check_canaries

sed -i 's/charset=CHARSET/charset=UTF-8/' "$OUTPUT"

# we need the || true because of
# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891347
xgettext "$HERE"/data/polkit/*.policy \
    -o "$OUTPUT" \
    --its="$HERE/po/its/polkit.its" \
    --no-location \
    --package-name=snappy \
    --msgid-bugs-address=snappy-devel@lists.ubuntu.com \
    --join-existing || true

check_canaries

# language packs
for p in "${HERE}"/po/*.po; do
	lang=$(basename "$p" .po)
	mkdir -p "$HERE/share/locale/$lang/LC_MESSAGES"
	msgfmt -v -o "$HERE/share/locale/$lang/LC_MESSAGES/snappy.mo" "$p"
done