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#! /usr/bin/env nix-shell
#! nix-shell -i oil -p oil jq sd nix-prefetch-github ripgrep moreutils
# TODO set to `verbose` or `extdebug` once implemented in oil
shopt --set xtrace
# we need failures inside of command subs to get the correct dependency sha256
shopt --unset inherit_errexit
const directory = $(dirname $0 | xargs realpath)
const owner = "LemmyNet"
const ui_repo = "lemmy-ui"
const server_repo = "lemmy"
const latest_rev = $(curl -q https://api.github.com/repos/${owner}/${server_repo}/releases/latest | \
jq -r '.tag_name')
const latest_version = $(echo $latest_rev)
const current_version = $(jq -r '.version' $directory/pin.json)
echo "latest version: $latest_version, current version: $current_version"
if ("$latest_version" === "$current_version") {
echo "lemmy is already up-to-date"
return 0
} else {
# for some strange reason, hydra fails on reading upstream package.json directly
const source = "https://raw.githubusercontent.com/$owner/$ui_repo/$latest_version"
const package_json = $(curl -qf $source/package.json)
echo $package_json > $directory/package.json
const server_tarball_meta = $(nix-prefetch-github $owner $server_repo --rev $latest_rev)
const server_tarball_hash = "sha256-$(echo $server_tarball_meta | jq -r '.sha256')"
const ui_tarball_meta = $(nix-prefetch-github $owner $ui_repo --rev $latest_rev)
const ui_tarball_hash = "sha256-$(echo $ui_tarball_meta | jq -r '.sha256')"
jq ".version = \"$latest_version\" | \
.\"serverSha256\" = \"$server_tarball_hash\" | \
.\"uiSha256\" = \"$ui_tarball_hash\" | \
.\"serverCargoSha256\" = \"\" | \
.\"uiYarnDepsSha256\" = \"\"" $directory/pin.json | sponge $directory/pin.json
const new_cargo_sha256 = $(nix-build -A lemmy-server 2>&1 | \
tail -n 2 | \
head -n 1 | \
sd '\s+got:\s+' '')
const new_offline_cache_sha256 = $(nix-build -A lemmy-ui 2>&1 | \
tail -n 2 | \
head -n 1 | \
sd '\s+got:\s+' '')
jq ".\"serverCargoSha256\" = \"$new_cargo_sha256\" | \
.\"uiYarnDepsSha256\" = \"$new_offline_cache_sha256\"" \
$directory/pin.json | sponge $directory/pin.json
}
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