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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p cacert curl jq nix moreutils --pure
#shellcheck shell=bash
set -eu -o pipefail
cd "$(dirname "$0")"
nixpkgs=../../../../.
err() {
echo "$*" >&2
exit 1
}
json_get() {
jq -r "$1" < "./versions.json"
}
json_set() {
jq --arg x "$2" "$1 = \$x" < "./versions.json" | sponge "./versions.json"
}
resolve_url() {
local pkg sfx url
local -i i max_redirects
case "$1" in
darwin)
pkg=macos
sfx=dmg
;;
linux)
pkg=pacman
sfx=pkg.tar.zst
;;
*)
err "Unexpected download type: $1"
;;
esac
url="https://app.warp.dev/download?package=${pkg}"
((max_redirects = 15))
for ((i = 0; i < max_redirects; i++)); do
url=$(curl -s -o /dev/null -w '%{redirect_url}' "${url}")
[[ ${url} != *.${sfx} ]] || break
done
((i < max_redirects)) || { err "too many redirects"; }
echo "${url}"
}
get_version() {
echo "$1" | grep -oP -m 1 '(?<=/v)[\d.\w]+(?=/)'
}
# nix-prefect-url seems to be uncompressing the archive then taking the hash
# so just get the hash from fetchurl
sri_get() {
local ouput sri
output=$(nix-build --expr \
"with import $nixpkgs {};
fetchurl {
url = \"$1\";
}" 2>&1 || true)
sri=$(echo "$output" | awk '/^\s+got:\s+/{ print $2 }')
[[ -z "$sri" ]] && err "$output"
echo "$sri"
}
for sys in darwin linux; do
url=$(resolve_url ${sys})
version=$(get_version "${url}")
if [[ ${version} != "$(json_get ".${sys}.version")" ]]; then
sri=$(sri_get "${url}")
json_set ".${sys}.version" "${version}"
json_set ".${sys}.hash" "${sri}"
fi
done
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