| 1 | check_version() {
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| 2 | : <<inline_doc
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| 3 | Tests for a minimum version level. Compares to version numbers and forces an
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| 4 | exit if minimum level not met.
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| 5 | NOTE: This test will fail on versions containing alpha chars. ie. jpeg 6b
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| 6 |
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| 7 | usage: check_version "2.6.2" "`uname -r`" "KERNEL"
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| 8 | check_version "3.0" "$BASH_VERSION" "BASH"
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| 9 | check_version "3.0" "`gcc -dumpversion`" "GCC"
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| 10 |
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| 11 | input vars: $1=min acceptable version
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| 12 | $2=version to check
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| 13 | $3=app name
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| 14 | externals: --
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| 15 | modifies: --
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| 16 | returns: nothing
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| 17 | on error: write text to console and dies
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| 18 | on success: write text to console and returns
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| 19 | inline_doc
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| 20 |
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| 21 | declare -i major minor revision change
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| 22 | declare -i ref_major ref_minor ref_revision ref_change
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| 23 | declare -r spaceSTR=" "
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| 24 |
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| 25 | shopt -s extglob #needed for ${x##*(0)} below
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| 26 |
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| 27 | ref_version=$1
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| 28 | tst_version=$2
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| 29 | TXT=$3
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| 30 |
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| 31 | # This saves us the save/restore hassle of the system IFS value
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| 32 | local IFS
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| 33 |
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| 34 | write_error_and_die() {
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| 35 | echo -e "\n\t\t$TXT is missing or version -->${tst_version}<-- is too old.
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| 36 | This script requires ${ref_version} or greater\n"
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| 37 | # Ask the user instead of bomb, to make happy that packages which version
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| 38 | # ouput don't follow our expectations
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| 39 | echo "If you are sure that you have installed a proper version of ${BOLD}$TXT${OFF}"
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| 40 | echo "but jhalfs has failed to detect it, press 'c' and 'ENTER' keys to continue,"
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| 41 | echo -n "otherwise press 'ENTER' key to stop jhalfs. "
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| 42 | read ANSWER
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| 43 | if [ x$ANSWER != "xc" ] ; then
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| 44 | echo "${nl_}Please, install a proper $TXT version.${nl_}"
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| 45 | exit 1
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| 46 | else
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| 47 | minor=$ref_minor
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| 48 | revision=$ref_revision
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| 49 | fi
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| 50 | }
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| 51 |
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| 52 | echo -ne "${TXT}${spaceSTR:${#TXT}} ${L_arrow}${BOLD}${tst_version}${OFF}${R_arrow}"
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| 53 |
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| 54 | IFS=".-(pab" # Split up w.x.y.z as well as w.x.y-rc (catch release candidates)
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| 55 | set -- $ref_version # set positional parameters to minimum ver values
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| 56 | ref_major=$1; ref_minor=$2; ref_revision=$3
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| 57 | #
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| 58 | set -- $tst_version # Set positional parameters to test version values
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| 59 | # Values beginning with zero are taken as octal, so that for example
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| 60 | # 2.07.08 gives an error because 08 cannot be octal. The ## stuff supresses
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| 61 | # leading zero's
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| 62 | major=${1##*(0)}; minor=${2##*(0)}; revision=${3##*(0)}
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| 63 | #
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| 64 | # Compare against minimum acceptable version..
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| 65 | (( major > ref_major )) &&
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| 66 | echo " ${spaceSTR:${#tst_version}}${GREEN}OK${OFF} (Min version: ${ref_version})" &&
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| 67 | return
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| 68 | (( major < ref_major )) && write_error_and_die
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| 69 | # major=ref_major
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| 70 | (( minor < ref_minor )) && write_error_and_die
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| 71 | (( minor > ref_minor )) &&
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| 72 | echo " ${spaceSTR:${#tst_version}}${GREEN}OK${OFF} (Min version: ${ref_version})" &&
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| 73 | return
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| 74 | # minor=ref_minor
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| 75 | (( revision >= ref_revision )) &&
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| 76 | echo " ${spaceSTR:${#tst_version}}${GREEN}OK${OFF} (Min version: ${ref_version})" &&
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| 77 | return
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| 78 |
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| 79 | # oops.. write error msg and die
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| 80 | write_error_and_die
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| 81 | }
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| 82 |
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| 83 | #----------------------------#
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| 84 | check_prerequisites() { #
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| 85 | #----------------------------#
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| 86 |
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| 87 | HOSTREQS=$(find $BOOK -name hostreqs.xml)
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| 88 |
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| 89 | eval $(xsltproc $COMMON_DIR/hostreqs.xsl $HOSTREQS)
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| 90 | # Avoid translation of version strings
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| 91 | local LC_ALL=C
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| 92 | export LC_ALL
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| 93 |
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| 94 | # LFS/HLFS/CLFS prerequisites
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| 95 | if [ -n "$MIN_Linux_VER" ]; then
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| 96 | check_version "$MIN_Linux_VER" "`uname -r`" "KERNEL"
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| 97 | fi
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| 98 | if [ -n "$MIN_Bash_VER" ]; then
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| 99 | check_version "$MIN_Bash_VER" "$BASH_VERSION" "BASH"
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| 100 | fi
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| 101 | if [ ! -z $MIN_GCC_VER ]; then
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| 102 | check_version "$MIN_GCC_VER" "`gcc -dumpfullversion -dumpversion`" "GCC"
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| 103 | check_version "$MIN_GCC_VER" "`g++ -dumpfullversion -dumpversion`" "G++"
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| 104 | elif [ ! -z $MIN_Gcc_VER ]; then
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| 105 | check_version "$MIN_Gcc_VER" "`gcc -dumpfullversion -dumpversion`" "GCC"
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| 106 | fi
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| 107 | if [ -n "$MIN_Glibc_VER" ]; then
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| 108 | check_version "$MIN_Glibc_VER" "$(ldd --version | head -n1 | awk '{print $NF}')" "GLIBC"
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| 109 | fi
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| 110 | if [ -n "$MIN_Binutils_VER" ]; then
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| 111 | check_version "$MIN_Binutils_VER" "$(ld --version | head -n1 | awk '{print $NF}')" "BINUTILS"
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| 112 | fi
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| 113 | if [ -n "$MIN_Tar_VER" ]; then
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| 114 | check_version "$MIN_Tar_VER" "$(tar --version | head -n1 | cut -d" " -f4)" "TAR"
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| 115 | fi
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| 116 | if [ -n "$MIN_Bzip2_VER" ]; then
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| 117 | bzip2Ver="$(bzip2 --version 2>&1 < /dev/null | head -n1 | cut -d" " -f8)"
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| 118 | check_version "$MIN_Bzip2_VER" "${bzip2Ver%%,*}" "BZIP2"
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| 119 | fi
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| 120 | if [ -n "$MIN_Bison_VER" ]; then
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| 121 | check_version "$MIN_Bison_VER" "$(bison --version | head -n1 | cut -d" " -f4)" "BISON"
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| 122 | fi
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| 123 | if [ -n "$MIN_Coreutils_VER" ]; then
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| 124 | check_version "$MIN_Coreutils_VER" "$(chown --version | head -n1 | cut -d" " -f4)" "COREUTILS"
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| 125 | fi
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| 126 | if [ -n "$MIN_Diffutils_VER" ]; then
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| 127 | check_version "$MIN_Diffutils_VER" "$(diff --version | head -n1 | cut -d" " -f4)" "DIFF"
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| 128 | fi
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| 129 | if [ -n "$MIN_Findutils_VER" ]; then
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| 130 | check_version "$MIN_Findutils_VER" "$(find --version | head -n1 | cut -d" " -f4)" "FIND"
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| 131 | fi
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| 132 | if [ -n "$MIN_Gawk_VER" ]; then
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| 133 | check_version "$MIN_Gawk_VER" "$(gawk --version | head -n1 | awk -F'[ ,]+' '{print $3}')" "GAWK"
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| 134 | fi
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| 135 | if [ -n "$MIN_Grep_VER" ]; then
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| 136 | check_version "$MIN_Grep_VER" "$(grep --version | head -n1 | awk '{print $NF}')" "GREP"
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| 137 | fi
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| 138 | if [ -n "$MIN_Gzip_VER" ]; then
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| 139 | check_version "$MIN_Gzip_VER" "$(gzip --version 2>&1 | head -n1 | cut -d" " -f2)" "GZIP"
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| 140 | fi
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| 141 | if [ -n "$MIN_M4_VER" ]; then
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| 142 | check_version "$MIN_M4_VER" "$(m4 --version 2>&1 | head -n1 | awk '{print $NF}')" "M4"
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| 143 | fi
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| 144 | if [ -n "$MIN_Make_VER" ]; then
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| 145 | check_version "$MIN_Make_VER" "$(make --version | head -n1 | cut -d " " -f3 | cut -c1-4)" "MAKE"
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| 146 | fi
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| 147 | if [ -n "$MIN_Patch_VER" ]; then
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| 148 | check_version "$MIN_Patch_VER" "$(patch --version | head -n1 | sed 's/.*patch //')" "PATCH"
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| 149 | fi
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| 150 | if [ -n "$MIN_Perl_VER" ]; then
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| 151 | check_version "$MIN_Perl_VER" "$(perl -V:version | cut -f2 -d\')" "PERL"
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| 152 | fi
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| 153 | if [ -n "$MIN_Sed_VER" ]; then
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| 154 | check_version "$MIN_Sed_VER" "$(sed --version | head -n1 | cut -d" " -f4)" "SED"
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| 155 | fi
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| 156 | if [ -n "$MIN_Texinfo_VER" ]; then
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| 157 | check_version "$MIN_Texinfo_VER" "$(makeinfo --version | head -n1 | awk '{ print$NF }')" "TEXINFO"
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| 158 | fi
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| 159 | if [ -n "$MIN_Xz_VER" ]; then
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| 160 | check_version "$MIN_Xz_VER" "$(xz --version | head -n1 | cut -d" " -f4)" "XZ"
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| 161 | fi
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| 162 | if [ -n "$MIN_Python_VER" ]; then
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| 163 | check_version "$MIN_Python_VER" "3.$(python3 -c"import sys; print(sys.version_info.minor,'.',sys.version_info.micro,sep='')")" "PYTHON"
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| 164 | fi
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| 165 | }
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| 166 |
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| 167 | #----------------------------#
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| 168 | check_alfs_tools() { #
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| 169 | #----------------------------#
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| 170 | : << inline_doc
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| 171 | Those tools are needed for the proper operation of jhalfs
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| 172 | inline_doc
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| 173 |
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| 174 | # Avoid translation of version strings
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| 175 | local LC_ALL=C
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| 176 | export LC_ALL
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| 177 |
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| 178 | # Check for minimum sudo version
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| 179 | SUDO_LOC="$(whereis -b sudo | cut -d" " -f2)"
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| 180 | if [ -x $SUDO_LOC ]; then
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| 181 | sudoVer="$(sudo -V | head -n1 | cut -d" " -f3)"
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| 182 | check_version "1.7.0" "${sudoVer}" "SUDO"
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| 183 | else
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| 184 | echo "${nl_}\"${RED}sudo${OFF}\" ${BOLD}must be installed on your system for jhalfs to run"
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| 185 | exit 1
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| 186 | fi
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| 187 |
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| 188 | # Check for wget presence (using a dummy version)
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| 189 | WGET_LOC="$(whereis -b wget | cut -d" " -f2)"
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| 190 | if [ -x $WGET_LOC ]; then
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| 191 | wgetVer="$(wget --version | head -n1 | cut -d" " -f3)"
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| 192 | if echo "$wgetVer" | grep -q '^[[:digit:]]'; then
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| 193 | check_version "1.0.0" "${wgetVer}" "WGET"
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| 194 | else echo Wget detected, but no version found. Continuing anyway.
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| 195 | fi
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| 196 | else
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| 197 | echo "${nl_}\"${RED}wget${OFF}\" ${BOLD}must be installed on your system for jhalfs to run"
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| 198 | exit 1
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| 199 | fi
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| 200 |
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| 201 | # Before checking libxml2 and libxslt version information, ensure tools
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| 202 | # needed from those packages are actually available. Avoids a small
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| 203 | # cosmetic bug of book version information not being retrieved if
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| 204 | # xmllint is unavailable, especially when on recent non-LFS hosts.
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| 205 |
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| 206 | XMLLINT_LOC="$(whereis -b xmllint | cut -d" " -f2)"
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| 207 | XSLTPROC_LOC="$(whereis -b xsltproc | cut -d" " -f2)"
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| 208 |
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| 209 | if [ ! -x $XMLLINT_LOC ]; then
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| 210 | echo "${nl_}\"${RED}xmllint${OFF}\" ${BOLD}must be installed on your system for jhalfs to run"
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| 211 | exit 1
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| 212 | fi
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| 213 |
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| 214 | if [ -x $XSLTPROC_LOC ]; then
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| 215 |
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| 216 | # Check for minimum libxml2 and libxslt versions
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| 217 | xsltprocVer=$(xsltproc -V | head -n1 )
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| 218 | libxmlVer=$(echo $xsltprocVer | cut -d " " -f3)
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| 219 | libxsltVer=$(echo $xsltprocVer | cut -d " " -f5)
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| 220 |
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| 221 | # Version numbers are packed strings not xx.yy.zz format.
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| 222 | check_version "2.06.20" "${libxmlVer:0:1}.${libxmlVer:1:2}.${libxmlVer:3:2}" "LIBXML2"
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| 223 | check_version "1.01.14" "${libxsltVer:0:1}.${libxsltVer:1:2}.${libxsltVer:3:2}" "LIBXSLT"
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| 224 |
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| 225 | else
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| 226 | echo "${nl_}\"${RED}xsltproc${OFF}\" ${BOLD}must be installed on your system for jhalfs to run"
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| 227 | exit 1
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| 228 | fi
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| 229 | }
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| 230 |
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| 231 | #----------------------------#
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| 232 | check_blfs_tools() { #
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| 233 | #----------------------------#
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| 234 | : << inline_doc
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| 235 | In addition to the tools needed for the LFS part, docbook-xml
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| 236 | is needed for installing the BLFS tools
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| 237 | inline_doc
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| 238 |
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| 239 | # Avoid translation of version strings
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| 240 | local LC_ALL=C
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| 241 | export LC_ALL
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| 242 |
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| 243 | # Minimal docbook-xml code for testing
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| 244 | XML_FILE="<?xml version='1.0' encoding='ISO-8859-1'?>
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| 245 | <?xml-stylesheet type='text/xsl' href='http://docbook.sourceforge.net/release/xsl/1.69.1/xhtml/docbook.xsl'?>
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| 246 | <!DOCTYPE article PUBLIC '-//OASIS//DTD DocBook XML V4.5//EN'
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| 247 | 'http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd'>
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| 248 | <article>
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| 249 | <title>Test file</title>
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| 250 | <sect1>
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| 251 | <title>Some title</title>
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| 252 | <para>Some text</para>
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| 253 | </sect1>
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| 254 | </article>"
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| 255 |
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| 256 | if `echo $XML_FILE | xmllint -nonet -noout -postvalid - 2>/dev/null` ; then
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| 257 | check_version "4.5" "4.5" "DocBook XML DTD"
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| 258 | else
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| 259 | echo "Error: you need the Docbook XML DTD for installing BLFS tools"
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| 260 | exit 2
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| 261 | fi
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| 262 | }
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