eclass/mysql_fx.eclass

   1 # Copyright 1999-2014 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3 # $Id$
   4
   5 # Author: Francesco Riosa (Retired) <vivo@gentoo.org>
   6 # Maintainer:
   7 #       - MySQL Team <mysql-bugs@gentoo.org>
   8 #       - Luca Longinotti <chtekk@gentoo.org>
   9
  10 inherit multilib
  11
  12 #
  13 # Helper function, version (integer) may have sections separated by dots
  14 # for readability.
  15 #
  16 stripdots() {
  17         local dotver=${1:-"0"}
  18         local v=""
  19         local ret=0
  20         if [[ "${dotver/./}" != "${dotver}" ]] ; then
  21                 # dotted version number
  22                 for i in 1000000 10000 100 1 ; do
  23                         v=${dotver%%\.*}
  24                         # remove leading zeroes
  25                         while [[ ${#v} -gt 1 ]] && [[ ${v:0:1} == "0" ]] ; do v=${v#0} ; done
  26                         # increment integer version number
  27                         ret=$(( ${v} * ${i} + ${ret} ))
  28                         if [[ "${dotver}" == "${dotver/\.}" ]] ; then
  29                                 dotver=0
  30                         else
  31                                 dotver=${dotver#*\.}
  32                         fi
  33                 done
  34                 echo "${ret}"
  35         else
  36                 # already an integer
  37                 v=${dotver}
  38                 while [[ ${#v} -gt 1 ]] && [[ ${v:0:1} == "0" ]] ; do v=${v#0} ; done
  39                 echo "${v}"
  40         fi
  41 }
  42
  43 #
  44 # Check if a version number falls inside a given range.
  45 # The range includes the extremes and must be specified as
  46 # "low_version to high_version" i.e. "4.1.2 to 5.1.99.99".
  47 # Returns true if inside the range.
  48 #
  49 mysql_check_version_range() {
  50         local lbound="${1%% to *}" ; lbound=$(stripdots "${lbound}")
  51         local rbound="${1#* to }"  ; rbound=$(stripdots "${rbound}")
  52         local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
  53         [[ ${lbound} -le ${my_ver} ]] && [[ ${my_ver} -le ${rbound} ]] && return 0
  54         return 1
  55 }
  56
  57 #
  58 # True if at least one applicable range is found for the patch.
  59 #
  60 _mysql_test_patch_ver_pn() {
  61         local allelements=", version, package name"
  62         # So that it fails the directory test if none of them exist
  63         local filesdir="/dev/null"
  64         for d in "${WORKDIR}/mysql-extras-${MY_EXTRAS_VER}" \
  65                 "${WORKDIR}/mysql-extras" ; do
  66                 if [ -d "${d}" ]; then
  67                         filesdir="${d}"
  68                         break
  69                 fi
  70         done
  71
  72         [[ -d "${filesdir}" ]] || die "Source dir must be a directory"
  73         local flags=$1 pname=$2
  74         if [[ $(( $flags & $(( 1 + 4 + 16 )) )) -eq 21 ]] ; then
  75                 einfo "using '${pname}'"
  76                 ln -sf "${filesdir}/${pname}" "${EPATCH_SOURCE}" || die "Couldn't move ${pname}"
  77                 return 0
  78         fi
  79
  80         [[ $(( $flags & $(( 2 + 4 )) )) -gt 0 ]] \
  81         && allelements="${allelements//", version"}"
  82
  83         [[ $(( $flags & $(( 8 + 16 )) )) -gt 0 ]] \
  84         && allelements="${allelements//", package name"}"
  85
  86         [[ -n "${allelements}" ]] && [[ "${flags}" -gt 0 ]] \
  87         && ewarn "QA notice: ${allelements} missing in ${pname} patch"
  88
  89         return 1
  90 }
  91
  92 #
  93 # Parse a "index_file" looking for patches to apply to the
  94 # current MySQL version.
  95 # If the patch applies, print its description.
  96 #
  97 mysql_mv_patches() {
  98         # So that it fails the directory test if none of them exist
  99         local filesdir="/dev/null"
 100         if [[ -z "${1}" ]]; then
 101                 for d in "${WORKDIR}/mysql-extras-${MY_EXTRAS_VER}" \
 102                         "${WORKDIR}/mysql-extras" ; do
 103                         if [ -d "${d}" ]; then
 104                                 filesdir="${d}"
 105                                 break
 106                         fi
 107                 done
 108                 [[ -d "${filesdir}" ]] || die "No patches directory found!"
 109         fi
 110
 111         for i in "$1" "${filesdir}/0000_index.txt" "${filesdir}/000_index.txt" ; do
 112                 if [ -n "$i" -a -f "$i" ]; then
 113                         local index_file="$i"
 114                         break
 115                 fi
 116         done
 117
 118         local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
 119         local my_test_fx=${3:-"_mysql_test_patch_ver_pn"}
 120         _mysql_mv_patches "${index_file}" "${my_ver}" "${my_test_fx}"
 121 }
 122
 123 _mysql_mv_patches() {
 124         local index_file="${1}"
 125         local my_ver="${2}"
 126         local my_test_fx="${3}"
 127         local dsc ndsc=0 i
 128         dsc=( )
 129
 130         # Values for flags are (2^x):
 131         #  1 - one patch found
 132         #  2 - at least one version range is wrong
 133         #  4 - at least one version range is ok
 134         #  8 - at least one ${PN} did not match
 135         #  16 - at least one ${PN} has been matched
 136         local flags=0 pname=""
 137         while read row ; do
 138                 case "${row}" in
 139                         @patch\ *)
 140                                 [[ -n "${pname}" ]] \
 141                                 && ${my_test_fx} ${flags} "${pname}" \
 142                                 && for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo ">    ${dsc[$i]}" ; done
 143                                 flags=1 ; ndsc=0 ; dsc=( )
 144                                 pname=${row#"@patch "}
 145                                 ;;
 146                         @ver\ *)
 147                                 if mysql_check_version_range "${row#"@ver "}" "${my_ver}" ; then
 148                                         flags=$(( ${flags} | 4 ))
 149                                 else
 150                                         flags=$(( ${flags} | 2 ))
 151                                 fi
 152                                 ;;
 153                         @pn\ *)
 154                                 if [[ ${row#"@pn "} == "${PN}" ]] ; then
 155                                         flags=$(( ${flags} | 16 ))
 156                                 else
 157                                         flags=$(( ${flags} | 8 ))
 158                                 fi
 159                                 ;;
 160                         # @use\ *) ;;
 161                         @@\ *)
 162                                 dsc[$ndsc]="${row#"@@ "}"
 163                                 (( ++ndsc ))
 164                                 ;;
 165                 esac
 166         done < "${index_file}"
 167
 168         ${my_test_fx} ${flags} "${pname}" \
 169         && for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo ">    ${dsc[$i]}" ; done
 170 }
 171
 172 #
 173 # Is $2 (defaults to $MYSQL_VERSION_ID) at least version $1?
 174 # (nice) idea from versionator.eclass
 175 #
 176 mysql_version_is_at_least() {
 177         local want_s=$(stripdots "$1") have_s=$(stripdots "${2:-${MYSQL_VERSION_ID}}")
 178         [[ -z "${want_s}" ]] && die "mysql_version_is_at_least missing value to check"
 179         [[ ${want_s} -le ${have_s} ]] && return 0 || return 1
 180 }
 181
 182 #
 183 # To be called on the live filesystem, reassigning symlinks of each MySQL
 184 # library to the best version available.
 185 #
 186 mysql_lib_symlinks() {
 187
 188         local d dirlist maxdots libname libnameln libsuffix reldir
 189         libsuffix=$(get_libname)
 190
 191         einfo "libsuffix = ${libsuffix}"
 192         einfo "Updating MySQL libraries symlinks"
 193
 194         reldir="${1}"
 195         pushd "${reldir}/usr/$(get_libdir)" &> /dev/null
 196
 197         # dirlist must contain the less significative directory left
 198         dirlist="mysql"
 199
 200         # waste some time in removing and recreating symlinks
 201         for d in $dirlist ; do
 202                 for libname in $( find "${d}" -mindepth 1 -maxdepth 1 -name "*${libsuffix}*" -and -not -type "l" 2>/dev/null ) ; do
 203                         # maxdot is a limit versus infinite loop
 204                         maxdots=0
 205                         libnameln=${libname##*/}
 206                         # loop in version of the library to link it, similar to how
 207                         # libtool works
 208                         if [[ ${CHOST} == *-darwin* ]] ; then
 209                                 # macho: libname.x.y.z.dylib
 210                                 local libbasename=${libnameln%%.*}       # libname
 211                                 local libver=${libnameln#${libbasename}} # .x.y.z.dylib
 212                                 libver=${libver%${libsuffix}}            # .x.y.z
 213                                 while [[ -n ${libver} ]] && [[ ${maxdots} -lt 6 ]] ; do
 214                                         libnameln="${libbasename}${libver}${libsuffix}"
 215                                         rm -f "${libnameln}"
 216                                         ln -s "${libname}" "${libnameln}"
 217                                         (( ++maxdots ))
 218                                         libver=${libver%.*}
 219                                 done
 220                                 libnameln="${libbasename}${libsuffix}"
 221                                 rm -f "${libnameln}"
 222                                 ln -s "${libname}" "${libnameln}"
 223                         else
 224                                 # elf: libname.so.x.y.z
 225                                 while [[ ${libnameln:0-3} != '${libsuffix}' ]] && [[ ${maxdots} -lt 6 ]] ; do
 226                                         rm -f "${libnameln}"
 227                                         ln -s "${libname}" "${libnameln}"
 228                                         (( ++maxdots ))
 229                                         libnameln="${libnameln%.*}"
 230                                 done
 231                                 rm -f "${libnameln}"
 232                                 ln -s "${libname}" "${libnameln}"
 233                         fi
 234                 done
 235         done
 236
 237         popd &> /dev/null
 238 }
 239
 240 # @FUNCTION: mysql_init_vars
 241 # @DESCRIPTION:
 242 # void mysql_init_vars()
 243 # Initialize global variables
 244 # 2005-11-19 <vivo@gentoo.org>
 245 mysql_init_vars() {
 246         MY_SHAREDSTATEDIR=${MY_SHAREDSTATEDIR="${EPREFIX}/usr/share/mysql"}
 247         MY_SYSCONFDIR=${MY_SYSCONFDIR="${EPREFIX}/etc/mysql"}
 248         MY_LOCALSTATEDIR=${MY_LOCALSTATEDIR="${EPREFIX}/var/lib/mysql"}
 249         MY_LOGDIR=${MY_LOGDIR="${EPREFIX}/var/log/mysql"}
 250         MY_INCLUDEDIR=${MY_INCLUDEDIR="${EPREFIX}/usr/include/mysql"}
 251         MY_LIBDIR=${MY_LIBDIR="${EPREFIX}/usr/$(get_libdir)/mysql"}
 252
 253         if [[ -z "${MY_DATADIR}" ]] ; then
 254                 MY_DATADIR=""
 255                 if [[ -f "${MY_SYSCONFDIR}/my.cnf" ]] ; then
 256                         MY_DATADIR=`"my_print_defaults" mysqld 2>/dev/null \
 257                                 | sed -ne '/datadir/s|^--datadir=||p' \
 258                                 | tail -n1`
 259                         if [[ -z "${MY_DATADIR}" ]] ; then
 260                                 MY_DATADIR=`grep ^datadir "${MY_SYSCONFDIR}/my.cnf" \
 261                                 | sed -e 's/.*=\s*//' \
 262                                 | tail -n1`
 263                         fi
 264                 fi
 265                 if [[ -z "${MY_DATADIR}" ]] ; then
 266                         MY_DATADIR="${MY_LOCALSTATEDIR}"
 267                         einfo "Using default MY_DATADIR"
 268                 fi
 269                 elog "MySQL MY_DATADIR is ${MY_DATADIR}"
 270
 271                 if [[ -z "${PREVIOUS_DATADIR}" ]] ; then
 272                         if [[ -e "${MY_DATADIR}" ]] ; then
 273                                 # If you get this and you're wondering about it, see bug #207636
 274                                 elog "MySQL datadir found in ${MY_DATADIR}"
 275                                 elog "A new one will not be created."
 276                                 PREVIOUS_DATADIR="yes"
 277                         else
 278                                 PREVIOUS_DATADIR="no"
 279                         fi
 280                         export PREVIOUS_DATADIR
 281                 fi
 282         else
 283                 if [[ ${EBUILD_PHASE} == "config" ]]; then
 284                         local new_MY_DATADIR
 285                         new_MY_DATADIR=`"my_print_defaults" mysqld 2>/dev/null \
 286                                 | sed -ne '/datadir/s|^--datadir=||p' \
 287                                 | tail -n1`
 288
 289                         if [[ ( -n "${new_MY_DATADIR}" ) && ( "${new_MY_DATADIR}" != "${MY_DATADIR}" ) ]]; then
 290                                 ewarn "MySQL MY_DATADIR has changed"
 291                                 ewarn "from ${MY_DATADIR}"
 292                                 ewarn "to ${new_MY_DATADIR}"
 293                                 MY_DATADIR="${new_MY_DATADIR}"
 294                         fi
 295                 fi
 296         fi
 297
 298         if [ "${MY_SOURCEDIR:-unset}" == "unset" ]; then
 299                 MY_SOURCEDIR=${SERVER_URI##*/}
 300                 MY_SOURCEDIR=${MY_SOURCEDIR%.tar*}
 301         fi
 302
 303         export MY_SHAREDSTATEDIR MY_SYSCONFDIR
 304         export MY_LIBDIR MY_LOCALSTATEDIR MY_LOGDIR
 305         export MY_INCLUDEDIR MY_DATADIR MY_SOURCEDIR
 306 }