clufter/SOURCES/pacemaker-borrow-schemas

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