nilsandClaude Sonnet 5.5
b9c63273e4
router-release signs a release as a binary cache; router-update verifies it against the router's update keys, migrates settings.json, and applies it with commit-confirm. Includes the web UI page and a VM test. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AeFqV9dZrK6nipHkPfyM4F
33 lines
979 B
Nix
33 lines
979 B
Nix
# router-migrate-settings RELEASE FILE: bring a settings.json up to the
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# schema of a release by running its migrations/N.jq in order.
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{
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writeShellApplication,
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coreutils,
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jq,
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}:
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writeShellApplication {
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name = "router-migrate-settings";
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runtimeInputs = [
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coreutils
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jq
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];
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text = ''
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[ $# -eq 2 ] || { echo "usage: router-migrate-settings RELEASE SETTINGS.json" >&2; exit 2; }
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release=$1 file=$2
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schema=$(cat "$release/schema")
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version=$(jq -r '.version // 0' "$file")
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if [ "$version" -gt "$schema" ]; then
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echo "the settings are at version $version, newer than this release ($schema)" >&2
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exit 1
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fi
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while [ "$version" -lt "$schema" ]; do
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next=$((version + 1))
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echo "migrating the settings to version $next"
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jq -f "$release/migrations/$next.jq" "$file" | jq --argjson v "$next" '.version = $v' > "$file.new"
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chmod 0600 "$file.new"
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mv "$file.new" "$file"
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version=$next
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done
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'';
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}
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