47 lines
1.5 KiB
Bash
47 lines
1.5 KiB
Bash
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#!/usr/bin/env bash
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# compare_mir_json.sh — Structural diff for two MIR(JSON) files
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# Usage: tools/perf/compare_mir_json.sh <a.json> <b.json>
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# Prints sizes, sha1 (normalized), then unified diff (jq -S pretty) if available.
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set -euo pipefail
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if [[ $# -ne 2 ]]; then
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echo "Usage: $0 <a.json> <b.json>" >&2
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exit 2
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fi
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A="$1"; B="$2"
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if [[ ! -f "$A" || ! -f "$B" ]]; then echo "error: file not found" >&2; exit 2; fi
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sha1() {
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if command -v sha1sum >/dev/null 2>&1; then sha1sum | awk '{print $1}';
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elif command -v shasum >/dev/null 2>&1; then shasum -a 1 | awk '{print $1}';
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else openssl sha1 | awk '{print $2}'; fi
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}
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size_a=$(stat -c '%s' "$A" 2>/dev/null || stat -f '%z' "$A")
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size_b=$(stat -c '%s' "$B" 2>/dev/null || stat -f '%z' "$B")
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norm_a=$(jq -cS . "$A" 2>/dev/null || cat "$A")
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norm_b=$(jq -cS . "$B" 2>/dev/null || cat "$B")
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sha_a=$(printf '%s' "$norm_a" | sha1)
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sha_b=$(printf '%s' "$norm_b" | sha1)
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echo "A: $A (size=$size_a, sha1=$sha_a)"
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echo "B: $B (size=$size_b, sha1=$sha_b)"
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if [[ "$sha_a" == "$sha_b" ]]; then
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echo "= MIR JSON equal (normalized)"
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exit 0
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fi
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echo "- Diff (normalized, jq -S)"
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tmpa=$(mktemp); tmpb=$(mktemp)
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trap 'rm -f "$tmpa" "$tmpb" || true' EXIT
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printf '%s\n' "$norm_a" | jq -S . >/dev/null 2>&1 && printf '%s\n' "$norm_a" | jq -S . >"$tmpa" || printf '%s\n' "$norm_a" >"$tmpa"
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printf '%s\n' "$norm_b" | jq -S . >/dev/null 2>&1 && printf '%s\n' "$norm_b" | jq -S . >"$tmpb" || printf '%s\n' "$norm_b" >"$tmpb"
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diff -u "$tmpa" "$tmpb" || true
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exit 1
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