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#!/bin/sh
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#
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# Splits NSS into nss-util and nss-softokn
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# Takes as command line input the version of nss
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# and assumes that a file nss-${nss_version}.tar.gz
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# exists in the current directory
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set -e
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if test -z $1
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then
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  echo "usage: $0 nss-version"
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  exit
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fi
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export name=nss
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export version=$1
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echo "Extracting ${name}-${version}.tar.gz"
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tar -xzf ${name}-${version}.tar.gz
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# the directory will be named ${name}-${version}
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nss_source_dir=${name}-${version}
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softokn_dir=${name}-softokn-${version}
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# make_nss_softokn
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#-------------------------------------------------
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# create the nss-softokn subset consisting of
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#   nss/dbm                 full directory
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#   nss/coreconf            full directory
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#   nss                     top files only
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#   nss/lib                 top files only
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#   nss/lib/freebl          full directory
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#   nss/lib/softoken        full directory
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#   nss/lib/softoken/dbm    full directory
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#-------------------------------------------------------
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WORK=${softokn_dir}-work
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rm -rf ${WORK}
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mkdir ${WORK}
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# copy everything
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cp -a ${nss_source_dir} ${WORK}/${softokn_dir}
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# remove subdirectories that we don't want
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rm -rf ${WORK}/${softokn_dir}/nss/cmd
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rm -rf ${WORK}/${softokn_dir}/nss/tests
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rm -rf ${WORK}/${softokn_dir}/nss/lib
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rm -rf ${WORK}/${softokn_dir}/nss/pkg
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rm -rf ${WORK}/${softokn_dir}/nss/automation
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rm -rf ${WORK}/${softokn_dir}/nss/external_tests
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rm -rf ${WORK}/${softokn_dir}/nss/doc
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# start with an empty lib directory and copy only what we need
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mkdir ${WORK}/${softokn_dir}/nss/lib
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# copy the top files from nss/lib/
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topFilesL=`find ${nss_source_dir}/nss/lib/ -maxdepth 1 -mindepth 1 -type f`
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for f in $topFilesL; do
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  cp -p $f ${WORK}/${softokn_dir}/nss/lib
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done
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mkdir ${WORK}/${softokn_dir}/nss/lib/util
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# copy entire dbm, freebl and softoken directories recursively
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cp -a ${nss_source_dir}/nss/lib/dbm ${WORK}/${softokn_dir}/nss/lib/dbm
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cp -a ${nss_source_dir}/nss/lib/freebl ${WORK}/${softokn_dir}/nss/lib/freebl
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cp -a ${nss_source_dir}/nss/lib/softoken ${WORK}/${softokn_dir}/nss/lib/softoken
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# and some Makefiles and related files from nss
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topFilesN=`find ${nss_source_dir}/nss/ -maxdepth 1 -mindepth 1 -type f`
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for f in $topFilesN; do
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  cp -p $f ${WORK}/${softokn_dir}/nss/
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done
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# copy private headers that nss-softoken needs
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for f in verref.h; do
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  cp -p ${nss_source_dir}/nss/lib/util/$f ${WORK}/${softokn_dir}/nss/lib/util
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done
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# we do need bltest, ecperf, fbectest, lib, lowhashtest, and shlibsign
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# from nss/cmd
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mkdir ${WORK}/${softokn_dir}/nss/cmd
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# copy some files at the top and the slhlib subdirectory
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topFilesC=`find ${nss_source_dir}/nss/cmd/ -maxdepth 1 -mindepth 1 -type f`
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for f in $topFilesC; do
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  cp -p $f ${WORK}/${softokn_dir}/nss/cmd/
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done
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cp -a ${nss_source_dir}/nss/cmd/bltest ${WORK}/${softokn_dir}/nss/cmd/bltest
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cp -a ${nss_source_dir}/nss/cmd/ecperf ${WORK}/${softokn_dir}/nss/cmd/ecperf
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cp -a ${nss_source_dir}/nss/cmd/fbectest ${WORK}/${softokn_dir}/nss/cmd/fbectest
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cp -a ${nss_source_dir}/nss/cmd/fipstest ${WORK}/${softokn_dir}/nss/cmd/fipstest
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cp -a ${nss_source_dir}/nss/cmd/lib ${WORK}/${softokn_dir}/nss/cmd/lib
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cp -a ${nss_source_dir}/nss/cmd/lowhashtest ${WORK}/${softokn_dir}/nss/cmd/lowhashtest
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cp -a ${nss_source_dir}/nss/cmd/shlibsign ${WORK}/${softokn_dir}/nss/cmd/shlibsign
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# plus common, crypto, and lowhash from nss/tests
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mkdir ${WORK}/${softokn_dir}/nss/tests
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topFilesT=`find ${nss_source_dir}/nss/tests/ -maxdepth 1 -mindepth 1 -type f`
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for f in $topFilesT; do
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  cp -p $f ${WORK}/${softokn_dir}/nss/tests/
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done
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keepers="cipher common ec lowhash"
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for t in $keepers; do
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  cp -a ${nss_source_dir}/nss/tests/$t ${WORK}/${softokn_dir}/nss/tests/$t
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done
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pushd ${WORK}
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# the compressed tar ball for nss-softokn
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tar -czf ../${name}-softokn-${version}.tar.gz ${softokn_dir}
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popd
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# cleanup after ourselves
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rm -fr ${nss_source_dir}
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rm -rf ${WORK}
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