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yandex-music-linux/utility/generate_packages.sh

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#!/bin/bash
set -e
TEMPDIR=
exe_link=
version=
exe_name=
exe_sha256=
clear() {
rm -rf "$TEMPDIR"
}
TEMPDIR="$(mktemp -d)"
trap clear EXIT
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check_dep() {
if ! command -v "$@" &>/dev/null; then
echo "$@" not installed. >&2
return 1
fi
}
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check_deps() {
check_dep sed
check_dep curl
check_dep jq
}
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load_current_version() {
# loading json from file https://music-desktop-application.s3.yandex.net/stable/download.json
curl -s https://music-desktop-application.s3.yandex.net/stable/download.json > "$TEMPDIR"/download.json
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exe_link=$(jq -r '.windows' "$TEMPDIR"/download.json)
version="$(echo "$exe_link" | grep -oP '(?<=x64_).*(?=.exe)')"
exe_name="$(basename "$exe_link")"
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echo "Windows url: $exe_link"
echo "Version: $version"
echo "Exe name: $exe_name"
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curl "$exe_link" > "$TEMPDIR/$exe_name"
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exe_sha256="$(sha256sum "$TEMPDIR/$exe_name" | awk '{print $1}')"
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echo "Exe sha256: $exe_sha256"
}
update_version() {
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rm -rf ./utility/version_info.json
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cat > ./utility/version_info.json <<EOF
{
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"ym": {
"version": "$version",
"exe_name": "$exe_name",
"exe_link": "$exe_link",
"exe_sha256": "$exe_sha256"
}
}
EOF
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}
update_pkbuild() {
cp ./templates/PKGBUILD ./PKGBUILD
sed -i "s#%version%#$version#g" ./PKGBUILD
sed -i "s#%release%#1#g" ./PKGBUILD
sed -i "s#%exe_name%#$exe_name#g" ./PKGBUILD
sed -i "s#%exe_link%#$exe_link#g" ./PKGBUILD
sed -i "s#%exe_sha256%#$exe_sha256#g" ./PKGBUILD
}
is_nix_version_2_19() {
local version re major minor
version="$(nix --version | awk '{print $3}')"
re='([[:digit:]]+)\.([[:digit:]]+)\.([[:digit:]]+)'
if [[ $version =~ $re ]]; then
major="${BASH_REMATCH[1]}"
minor="${BASH_REMATCH[2]}"
if [ "$major" -gt 2 ] || [ "$minor" -ge 19 ]; then
return 0
fi
fi
return 1
}
update_flake() {
local nixcmd="nix --extra-experimental-features nix-command --extra-experimental-features flakes"
sed -i 's#\(ymExe\.url\s*=\s*\).*;#\1'"$exe_link"';#' ./flake.nix
if check_dep nix; then
# Starting from 2.19 the interface of `nix flake` command changed. See
# https://nixos.org/manual/nix/stable/release-notes/rl-2.19
if is_nix_version_2_19; then
$nixcmd flake update ymExe
else
$nixcmd flake lock --update-input ymExe
fi
if [[ $(git status --porcelain -- flake.lock) ]]; then
$nixcmd flake update
fi
else
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echo "flake.nix was updated, but nix is not installed to update flake.lock"
fi
}
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check_deps
load_current_version
update_version
update_pkbuild
update_flake