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#!/bin/sh
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# Copyright 2017 Red Hat, Inc.
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# Part of clufter project
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# Licensed under GPLv2+ (a copy included | http://gnu.org/licenses/gpl-2.0.txt)
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# A helper for "borrow validation schemas from pacemaker" process.
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die() { echo; echo "$@"; exit 1; }
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# $1 ... input directory with original pacemaker schemas
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# $2 ... output directory with consolidated schemas
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# $3 ... schemas to skip (as posix-egrep expression)
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# $4 ... postprocess XSLT
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# $5 ... clobber existing files? (true if set and non-null)
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consolidate() {
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inputdir="${1}"; outputdir="${2}"; skipschemas="${3}"; postprocess="${4}"
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test "${#}" -lt 5 || clobber="${5}"
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mkdir -p -- "${outputdir}"
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# for all the schema versions at the boundary of the "major" bump,
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# except for the lower boundary of the first one (i.e. pacemaker-1.0)
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# -- the versions in between are not interesting from validation POV
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for base in $(
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find "${inputdir}" -regextype posix-egrep -regex "${skipschemas}" -prune \
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-o -name 'pacemaker-*.rng' -printf '%P\n' | sort -V \
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| sed -e 'N;/^\(pacemaker-[0-9]\)\.\([0-9][0-9]*\)\.rng\n\1\.\([0-9][0-9]*\)\.rng$/!p;D'); do
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f="${inputdir}/${base}"
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printf "processing: ${f} ... "
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test -f "${f}" || continue
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sentinel=10; old=/dev/null; new="${f}"
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# until the jing output converged (simplification gets idempotent)
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# as prescribed by did-size-change heuristic (or sentinel is hit)
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while [ "$(stat -c '%s' "${old}")" != "$(stat -c '%s' "${new}")" ]; do
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[ "$((sentinel -= 1))" -gt 0 ] || break
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[ "${old}" = "${f}" ] && old="${outputdir}/${base}";
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[ "${new}" = "${f}" ] \
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&& { old="${f}"; new="${outputdir}/${base}.new"; } \
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|| cp -f "${new}" "${old}"
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jing -is "${old}" > "${new}"
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#printf "(%d -> %d) " "$(stat -c '%s' "${old}")" "$(stat -c '%s' "${new}")"
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done
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printf "%d iterations" "$((10 - ${sentinel}))"
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test -z "${clobber-}" && test -s "${old}" && die "file ${old} already exists" || :
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if [ -z "${postprocess}" ]; then
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mv "${new}" "${old}"
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printf ", moved\n"
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else
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# xmllint drops empty lines caused by the applied transformation
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xsltproc --stringparam filename-or-version "${base}" \
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"${postprocess}" "${new}" \
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| xmllint --format - > "${old}"
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rm -f -- "${new}"
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printf ", postprocessed\n"
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fi
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done
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}
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which jing >/dev/null 2>&1 || die "jing (from jing-trang project) required"
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: "${INPUTDIR=$(pkg-config --variable schemadir pacemaker)}"
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test -n "${INPUTDIR}" || die "Input dir with pacemaker schemas not known"
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: "${OUTPUTDIR=schemas-consolidated}"
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test -n "${OUTPUTDIR}" || die "Output dir for consolidated schemas not known"
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: "${POSTPROCESS=$(dirname "${0}")/fix-jing-simplified-rng.xsl}"
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# skip non-defaults of upstream releases
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#: "${SKIPSCHEMAS=.*/pacemaker-(1\.0|2\.[126]).rng}"
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: "${SKIPSCHEMAS=".*/pacemaker-next\.rng"}" # only skip WIP schema by default
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consolidate "${INPUTDIR}" "${OUTPUTDIR}" "${SKIPSCHEMAS}" "${POSTPROCESS}" "${@}"
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