259 lines
9.6 KiB
Bash
259 lines
9.6 KiB
Bash
check_version() {
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: <<inline_doc
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Tests for a minimum version level. Compares to version numbers and forces an
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exit if minimum level not met.
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NOTE: This test will fail on versions containing alpha chars. ie. jpeg 6b
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usage: check_version "2.6.2" "`uname -r`" "KERNEL"
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check_version "3.0" "$BASH_VERSION" "BASH"
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check_version "3.0" "`gcc -dumpversion`" "GCC"
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input vars: $1=min acceptable version
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$2=version to check
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$3=app name
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externals: --
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modifies: --
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returns: nothing
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on error: write text to console and dies
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on success: write text to console and returns
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inline_doc
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declare -i major minor revision change
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declare -i ref_major ref_minor ref_revision ref_change
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declare -r spaceSTR=" "
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declare -r spaceSTR1=" "
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shopt -s extglob #needed for ${x##*(0)} below
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ref_version=$1
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tst_version=$2
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TXT=$3
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# This saves us the save/restore hassle of the system IFS value
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local IFS
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write_error_and_die() {
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echo -e "\n\t\t$TXT is missing or version -->${tst_version}<-- is too old.
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This script requires ${ref_version} or greater\n"
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# Ask the user instead of bomb, to make happy that packages which version
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# ouput don't follow our expectations
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echo "If you are sure that you have installed a proper version of ${BOLD}$TXT${OFF}"
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echo "but jhalfs has failed to detect it, press 'c' and 'ENTER' keys to continue,"
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echo -n "otherwise press 'ENTER' key to stop jhalfs. "
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read ANSWER
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if [ x$ANSWER != "xc" ] ; then
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echo "${nl_}Please, install a proper $TXT version.${nl_}"
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exit 1
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else
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minor=$ref_minor
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revision=$ref_revision
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fi
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}
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echo -ne "${TXT}${spaceSTR:${#TXT}} ${L_arrow}${BOLD}${tst_version}${OFF}${R_arrow}"
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IFS=".-(pab" # Split up w.x.y.z as well as w.x.y-rc (catch release candidates)
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set -- $ref_version # set positional parameters to minimum ver values
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ref_major=$1; ref_minor=$2; ref_revision=$3
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#
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set -- $tst_version # Set positional parameters to test version values
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# Values beginning with zero are taken as octal, so that for example
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# 2.07.08 gives an error because 08 cannot be octal. The ## stuff supresses
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# leading zero's
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major=${1##*(0)}; minor=${2##*(0)}; revision=${3##*(0)}
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#
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# Compare against minimum acceptable version..
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(( major > ref_major )) &&
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echo " ${spaceSTR1:${#tst_version}}${GREEN}OK${OFF} (Min version: ${ref_version})" &&
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return
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(( major < ref_major )) && write_error_and_die
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# major=ref_major
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(( minor < ref_minor )) && write_error_and_die
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(( minor > ref_minor )) &&
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echo " ${spaceSTR1:${#tst_version}}${GREEN}OK${OFF} (Min version: ${ref_version})" &&
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return
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# minor=ref_minor
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(( revision >= ref_revision )) &&
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echo " ${spaceSTR1:${#tst_version}}${GREEN}OK${OFF} (Min version: ${ref_version})" &&
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return
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# oops.. write error msg and die
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write_error_and_die
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}
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#----------------------------#
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check_prerequisites() { #
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#----------------------------#
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HOSTREQS=$(find $BOOK -name hostreqs.xml)
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eval $(xsltproc $COMMON_DIR/hostreqs.xsl $HOSTREQS)
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# Avoid translation of version strings
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local LC_ALL=C
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export LC_ALL
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# LFS/CLFS prerequisites
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if [ -n "$MIN_Linux_VER" ]; then
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check_version "$MIN_Linux_VER" "`uname -r`" "KERNEL"
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fi
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if [ -n "$MIN_Bash_VER" ]; then
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check_version "$MIN_Bash_VER" "$BASH_VERSION" "BASH"
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fi
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if [ ! -z $MIN_GCC_VER ]; then
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check_version "$MIN_GCC_VER" "`gcc -dumpfullversion -dumpversion`" "GCC"
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check_version "$MIN_GCC_VER" "`g++ -dumpfullversion -dumpversion`" "G++"
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elif [ ! -z $MIN_Gcc_VER ]; then
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check_version "$MIN_Gcc_VER" "`gcc -dumpfullversion -dumpversion`" "GCC"
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fi
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if [ -n "$MIN_Glibc_VER" ]; then
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check_version "$MIN_Glibc_VER" "$(ldd --version | head -n1 | awk '{print $NF}')" "GLIBC"
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fi
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if [ -n "$MIN_Binutils_VER" ]; then
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check_version "$MIN_Binutils_VER" "$(ld --version | head -n1 | awk '{print $NF}')" "BINUTILS"
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fi
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if [ -n "$MIN_Tar_VER" ]; then
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check_version "$MIN_Tar_VER" "$(tar --version | head -n1 | cut -d" " -f4)" "TAR"
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fi
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if [ -n "$MIN_Bzip2_VER" ]; then
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bzip2Ver="$(bzip2 --version 2>&1 < /dev/null | head -n1 | cut -d" " -f8)"
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check_version "$MIN_Bzip2_VER" "${bzip2Ver%%,*}" "BZIP2"
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fi
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if [ -n "$MIN_Bison_VER" ]; then
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check_version "$MIN_Bison_VER" "$(bison --version | head -n1 | cut -d" " -f4)" "BISON"
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fi
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if [ -n "$MIN_Coreutils_VER" ]; then
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check_version "$MIN_Coreutils_VER" "$(chown --version | head -n1 | cut -d" " -f4)" "COREUTILS"
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fi
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if [ -n "$MIN_Diffutils_VER" ]; then
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check_version "$MIN_Diffutils_VER" "$(diff --version | head -n1 | cut -d" " -f4)" "DIFF"
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fi
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if [ -n "$MIN_Findutils_VER" ]; then
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check_version "$MIN_Findutils_VER" "$(find --version | head -n1 | cut -d" " -f4)" "FIND"
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fi
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if [ -n "$MIN_Gawk_VER" ]; then
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check_version "$MIN_Gawk_VER" "$(gawk --version | head -n1 | awk -F'[ ,]+' '{print $3}')" "GAWK"
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fi
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if [ -n "$MIN_Grep_VER" ]; then
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check_version "$MIN_Grep_VER" "$(grep --version | head -n1 | awk '{print $NF}')" "GREP"
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fi
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if [ -n "$MIN_Gzip_VER" ]; then
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check_version "$MIN_Gzip_VER" "$(gzip --version 2>&1 | head -n1 | cut -d" " -f2)" "GZIP"
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fi
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if [ -n "$MIN_M4_VER" ]; then
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check_version "$MIN_M4_VER" "$(m4 --version 2>&1 | head -n1 | awk '{print $NF}')" "M4"
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fi
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if [ -n "$MIN_Make_VER" ]; then
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check_version "$MIN_Make_VER" "$(make --version | head -n1 | cut -d " " -f3 | cut -c1-4)" "MAKE"
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fi
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if [ -n "$MIN_Patch_VER" ]; then
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check_version "$MIN_Patch_VER" "$(patch --version | head -n1 | sed 's/.*patch //')" "PATCH"
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fi
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if [ -n "$MIN_Perl_VER" ]; then
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check_version "$MIN_Perl_VER" "$(perl -V:version | cut -f2 -d\')" "PERL"
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fi
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if [ -n "$MIN_Sed_VER" ]; then
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check_version "$MIN_Sed_VER" "$(sed --version | head -n1 | cut -d" " -f4)" "SED"
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fi
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if [ -n "$MIN_Texinfo_VER" ]; then
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check_version "$MIN_Texinfo_VER" "$(makeinfo --version | head -n1 | awk '{ print$NF }')" "TEXINFO"
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fi
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if [ -n "$MIN_Xz_VER" ]; then
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check_version "$MIN_Xz_VER" "$(xz --version | head -n1 | cut -d" " -f4)" "XZ"
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fi
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if [ -n "$MIN_Python_VER" ]; then
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check_version "$MIN_Python_VER" "3.$(python3 -c"import sys; print(sys.version_info.minor,'.',sys.version_info.micro,sep='')")" "PYTHON"
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fi
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}
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#----------------------------#
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check_alfs_tools() { #
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#----------------------------#
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: << inline_doc
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Those tools are needed for the proper operation of jhalfs
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inline_doc
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# Avoid translation of version strings
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local LC_ALL=C
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export LC_ALL
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# Check for minimum sudo version
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SUDO_LOC="$(whereis -b sudo | cut -d" " -f2)"
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if [ -x $SUDO_LOC ]; then
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sudoVer="$(sudo -V | head -n1 | cut -d" " -f3)"
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check_version "1.7.0" "${sudoVer}" "SUDO"
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else
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echo "${nl_}\"${RED}sudo${OFF}\" ${BOLD}must be installed on your system for jhalfs to run"
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exit 1
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fi
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# Check for wget presence (using a dummy version)
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WGET_LOC="$(whereis -b wget | cut -d" " -f2)"
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if [ -x $WGET_LOC ]; then
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wgetVer="$(wget --version | head -n1 | cut -d" " -f3)"
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if echo "$wgetVer" | grep -q '^[[:digit:]]'; then
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check_version "1.0.0" "${wgetVer}" "WGET"
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else echo Wget detected, but no version found. Continuing anyway.
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fi
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else
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echo "${nl_}\"${RED}wget${OFF}\" ${BOLD}must be installed on your system for jhalfs to run"
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exit 1
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fi
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# Before checking libxml2 and libxslt version information, ensure tools
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# needed from those packages are actually available. Avoids a small
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# cosmetic bug of book version information not being retrieved if
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# xmllint is unavailable, especially when on recent non-LFS hosts.
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XMLLINT_LOC="$(whereis -b xmllint | cut -d" " -f2)"
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XSLTPROC_LOC="$(whereis -b xsltproc | cut -d" " -f2)"
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if [ ! -x $XMLLINT_LOC ]; then
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echo "${nl_}\"${RED}xmllint${OFF}\" ${BOLD}must be installed on your system for jhalfs to run"
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exit 1
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fi
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if [ -x $XSLTPROC_LOC ]; then
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# Check for minimum libxml2 and libxslt versions
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xsltprocVer=$(xsltproc -V | head -n1 )
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libxmlVer=$(echo $xsltprocVer | cut -d " " -f3)
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libxsltVer=$(echo $xsltprocVer | cut -d " " -f5)
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# Version numbers are packed strings not xx.yy.zz format.
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check_version "2.06.20" "${libxmlVer:0:1}.${libxmlVer:1:2}.${libxmlVer:3:2}" "LIBXML2"
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check_version "1.01.14" "${libxsltVer:0:1}.${libxsltVer:1:2}.${libxsltVer:3:2}" "LIBXSLT"
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else
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echo "${nl_}\"${RED}xsltproc${OFF}\" ${BOLD}must be installed on your system for jhalfs to run"
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exit 1
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fi
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# Now that we do profiling, we need the docbook DTD, and the docbook XSL
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# stylesheets.
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# Minimal docbook-xml code for testing
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XML_FILE="<?xml version='1.0' encoding='ISO-8859-1'?>
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<?xml-stylesheet type='text/xsl' href='http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl'?>
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<!DOCTYPE article PUBLIC '-//OASIS//DTD DocBook XML V4.5//EN'
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'http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd'>
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<article>
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<title>Test file</title>
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<sect1>
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<title>Some title</title>
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<para>Some text</para>
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</sect1>
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</article>"
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if echo $XML_FILE | xmllint -nonet -noout -postvalid - 2>/dev/null ; then
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check_version "4.5" "4.5" "DocBook XML DTD"
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else
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echo "Error: you need the Docbook XML DTD for running jhalfs"
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exit 1
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fi
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if echo $XML_FILE | xsltproc -nonet -noout - 2>/dev/null ; then
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check_version "current" "current" "DocBook XSL stylesheets"
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else
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echo "Error: you need the Docbook XSL stylesheets for running jhalfs"
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exit 1
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fi
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}
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