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https://github.com/MobileGL-Dev/MobileGL
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[Refactor] (CI): move the trace fixture LFS pointer and verification helpers into a shared library
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@@ -1,6 +1,10 @@
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#!/usr/bin/env bash
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set -euo pipefail
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script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=trace-fixture-lib.sh
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. "${script_dir}/trace-fixture-lib.sh"
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if [ "$#" -lt 1 ] || [ "$#" -gt 2 ]; then
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echo "usage: $0 <trace-case> [fixture-dir]" >&2
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exit 2
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@@ -62,57 +66,6 @@ if [ "${case_name}" = "OpenRA" ]; then
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exit 0
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fi
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get_lfs_metadata() {
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local file="$1"
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local pointer
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local expected_oid
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local expected_size
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if ! pointer="$(git show "HEAD:${file}" 2>/dev/null)"; then
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echo "failed to read tracked fixture metadata: ${file}" >&2
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return 1
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fi
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if ! grep -q '^version https://git-lfs.github.com/spec/v1$' <<< "${pointer}"; then
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echo "tracked fixture is not a Git LFS pointer: ${file}" >&2
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return 1
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fi
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expected_oid="$(awk '$1 == "oid" && $2 ~ /^sha256:/ { sub(/^sha256:/, "", $2); print $2 }' <<< "${pointer}")"
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expected_size="$(awk '$1 == "size" { print $2 }' <<< "${pointer}")"
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if ! [[ "${expected_oid}" =~ ^[0-9a-f]{64}$ ]] || ! [[ "${expected_size}" =~ ^[0-9]+$ ]]; then
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echo "invalid Git LFS pointer metadata: ${file}" >&2
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return 1
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fi
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printf '%s %s\n' "${expected_oid}" "${expected_size}"
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}
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verify_fixture_file() {
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local downloaded_file="$1"
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local display_name="$2"
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local expected_oid="$3"
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local expected_size="$4"
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local actual_oid
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local actual_size
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if [ ! -f "${downloaded_file}" ]; then
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echo "fixture file is missing: ${display_name}" >&2
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return 1
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fi
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actual_size="$(wc -c < "${downloaded_file}" | tr -d '[:space:]')"
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if [ "${actual_size}" != "${expected_size}" ]; then
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echo "fixture size mismatch for ${display_name}: expected ${expected_size}, got ${actual_size}" >&2
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return 1
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fi
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actual_oid="$(sha256sum "${downloaded_file}" | awk '{ print $1 }')"
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if [ "${actual_oid}" != "${expected_oid}" ]; then
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echo "fixture SHA-256 mismatch for ${display_name}: expected ${expected_oid}, got ${actual_oid}" >&2
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return 1
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fi
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}
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fetch_file_from_mirror() {
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local file="$1"
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local url="$2"
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@@ -0,0 +1,73 @@
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#!/usr/bin/env bash
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# Shared helpers for trace-fixture handling: reading the in-tree Git LFS pointer
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# metadata and verifying a fixture file against it. Sourced by
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# fetch-trace-fixture-lfs.sh (verify after download) and by
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# trace-fixture-cache.sh (cache key derivation and verify after cache restore),
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# so both paths agree on what a valid fixture is.
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# Reads the Git LFS pointer tracked at HEAD for a fixture path and prints
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# "<oid> <size>". Fails if the tracked blob is not a well-formed LFS pointer.
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get_lfs_metadata() {
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local file="$1"
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local pointer
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local expected_oid
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local expected_size
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if ! pointer="$(git show "HEAD:${file}" 2>/dev/null)"; then
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echo "failed to read tracked fixture metadata: ${file}" >&2
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return 1
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fi
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if ! grep -q '^version https://git-lfs.github.com/spec/v1$' <<< "${pointer}"; then
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echo "tracked fixture is not a Git LFS pointer: ${file}" >&2
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return 1
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fi
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expected_oid="$(awk '$1 == "oid" && $2 ~ /^sha256:/ { sub(/^sha256:/, "", $2); print $2 }' <<< "${pointer}")"
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expected_size="$(awk '$1 == "size" { print $2 }' <<< "${pointer}")"
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if ! [[ "${expected_oid}" =~ ^[0-9a-f]{64}$ ]] || ! [[ "${expected_size}" =~ ^[0-9]+$ ]]; then
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echo "invalid Git LFS pointer metadata: ${file}" >&2
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return 1
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fi
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printf '%s %s\n' "${expected_oid}" "${expected_size}"
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}
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# Checks an on-disk fixture against the size and SHA-256 from its LFS pointer.
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verify_fixture_file() {
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local downloaded_file="$1"
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local display_name="$2"
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local expected_oid="$3"
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local expected_size="$4"
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local actual_oid
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local actual_size
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if [ ! -f "${downloaded_file}" ]; then
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echo "fixture file is missing: ${display_name}" >&2
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return 1
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fi
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actual_size="$(wc -c < "${downloaded_file}" | tr -d '[:space:]')"
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if [ "${actual_size}" != "${expected_size}" ]; then
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echo "fixture size mismatch for ${display_name}: expected ${expected_size}, got ${actual_size}" >&2
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return 1
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fi
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actual_oid="$(sha256sum "${downloaded_file}" | awk '{ print $1 }')"
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if [ "${actual_oid}" != "${expected_oid}" ]; then
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echo "fixture SHA-256 mismatch for ${display_name}: expected ${expected_oid}, got ${actual_oid}" >&2
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return 1
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fi
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}
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# Prints the fixture file paths of a trace case, one per line. Strips CR so the
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# result is usable when python emits CRLF (Git Bash on Windows).
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trace_fixture_files() {
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local case_name="$1"
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local fixture_dir="$2"
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local python_bin="${3:-python3}"
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"${python_bin}" tools/trace_replay/trace_cases.py \
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--format fixture-files \
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--case "${case_name}" \
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--fixture-root "${fixture_dir}" | tr -d '\r'
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}
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