47 lines
2.1 KiB
Bash
47 lines
2.1 KiB
Bash
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#!/usr/bin/env nix-shell
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#!nix-shell -i bash -p nix curl jq common-updater-scripts
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set -eu -o pipefail
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cd "${0%/*}"/../../../../../
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readonly plugin_name="$1"
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readonly api_response="$(curl --silent "https://grafana.com/api/plugins/${plugin_name}")"
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readonly latest_version="$(echo "$api_response" | jq -r .version)"
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update() {
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local system="${2:+--system=$2}"
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local pkg="$(echo "$api_response" | jq -e .packages.\""$1"\")"
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if echo "$pkg" | jq -er .sha256 > /dev/null; then
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local hash="$(echo "$pkg" | jq -er .sha256)"
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else
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# Some packages only have an md5 hash. Download the file for hash computation.
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local urlPath="$(echo "$pkg" | jq -er .downloadUrl)"
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local hash="$(nix-prefetch-url --type sha256 --name "$plugin_name" "https://grafana.com$urlPath")"
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fi
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hash="$(nix --extra-experimental-features nix-command hash to-sri --type sha256 "$hash")"
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# Set version number to a random number first to force update to happen.
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#
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# `update-source-version` will exit early if it considers the version number to be the same.
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# However we have already downloaded the file and computed the hash, so it makes sense to set
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# the newly computed information unconditionally.
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#
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# As an example of a workflow that was made more complicated than strictly necessary is my own
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# attempts to improve this script where I spent multiple hours investigating why the update
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# script would refuse to update a hash that I intentionally malformed (in hopes to test the
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# operation of this script.)
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update-source-version $system "grafanaPlugins.${plugin_name}" $RANDOM "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
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update-source-version $system "grafanaPlugins.${plugin_name}" "$latest_version" "$hash"
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}
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if echo "$api_response" | jq -e .packages.any > /dev/null; then
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# the package contains an "any" package, so there should be only one zipHash.
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update "any"
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else
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update "linux-amd64" "x86_64-linux"
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update "linux-arm64" "aarch64-linux"
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update "darwin-amd64" "x86_64-darwin"
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update "darwin-arm64" "aarch64-darwin"
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fi
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