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script to automate aspects of spec URL updating (#3252)

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tersec 2022-01-06 12:59:36 +00:00 committed by GitHub
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scripts/find_unchanged_consensus_spec_files.sh Executable file
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#!/usr/bin/env bash
set -Eeuo pipefail
PREV_VERSION=${1}
NEXT_VERSION=${2}
NIMBUS_SOURCE_DIR=${3}
TMPDIR1=$(mktemp -d)
TMPDIR2=$(mktemp -d)
REPO_URL=https://github.com/ethereum/consensus-specs.git
VALID=".*\\.\\(md\\|py\\)"
UNCHANGED_SPEC_FILES=$(comm -12 --check-order <(git clone --branch "${PREV_VERSION}" --config advice.detachedHead=false --depth 1 --quiet "${REPO_URL}" "${TMPDIR1}" && cd "${TMPDIR1}" && find . -type f -regex "${VALID}" -print0 | xargs -0 sha256sum | sort) <(git clone --branch "${NEXT_VERSION}" --config advice.detachedHead=false --depth 1 --quiet "${REPO_URL}" "${TMPDIR2}" && cd "${TMPDIR2}" && find . -type f -regex "${VALID}" -print0 | xargs -0 sha256sum | sort) | awk '{print $2}' | sed -e"s/^\.\///" | shuf)
# One can use this to automate the search andreplace with a tool such as
# https://github.com/kcoyner/rpl/ or just a find/sed combination, e.g.,:
URL_BASE=https://github.com/ethereum/consensus-specs/blob/
FROM=${URL_BASE}${PREV_VERSION}/
TO=${URL_BASE}${NEXT_VERSION}/
echo "${UNCHANGED_SPEC_FILES}" | xargs -I{} printf "echo Replacing {}\nrpl --quiet --recursive -x.nim -x.md ${FROM}{} ${TO}{} ${NIMBUS_SOURCE_DIR} 2>/dev/null\n"
# rpl's --quiet option does seem broken though.