ediblerope
f57c6e99ec
record-update parses nvd diff after switch and writes latest.json; Homepage polls a local-only nginx listener and renders date/changes/ closure/kernel via a customapi widget. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
41 lines
947 B
Bash
41 lines
947 B
Bash
#!/usr/bin/env bash
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# Parse `nvd diff <old> <new>` output and write a JSON summary
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# consumed by the Homepage dashboard's customapi widget.
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set -euo pipefail
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OLD="${1:-}"
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NEW="${2:-/run/current-system}"
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OUT_DIR="/var/lib/homepage-updates"
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OUT_FILE="$OUT_DIR/latest.json"
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if [ -z "$OLD" ]; then
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echo "usage: record-update <old-system> [new-system]" >&2
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exit 1
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fi
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mkdir -p "$OUT_DIR"
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DIFF=$(nvd diff "$OLD" "$NEW" 2>&1 || true)
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CHANGES=$(printf '%s\n' "$DIFF" | grep -cE '^\[[UAR][.*]\]' || true)
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CLOSURE=$(printf '%s\n' "$DIFF" | grep -oE 'disk usage [+-][0-9.]+[A-Za-z]*B?' | head -1 | sed 's/disk usage //')
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CLOSURE="${CLOSURE:-+0B}"
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KERNEL=$(uname -r)
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DATE=$(date '+%Y-%m-%d %H:%M')
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if [ "$CHANGES" = "0" ]; then
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LABEL="No changes"
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else
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LABEL="$CHANGES package changes"
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fi
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cat > "$OUT_FILE.tmp" <<EOF
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{
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"date": "$DATE",
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"changes": "$LABEL",
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"closure": "$CLOSURE",
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"kernel": "$KERNEL"
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}
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EOF
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mv "$OUT_FILE.tmp" "$OUT_FILE"
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