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