eclass/mysql_fx.eclass

   1 # Copyright 1999-2017 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 # DEPRECATED
   5 # Recent versions have begun deprecating this eclass.
   6 # Do not use it in new series.
   7
   8 # @ECLASS: mysql_fx.eclass
   9 # @MAINTAINER:
  10 #   - MySQL Team <mysql-bugs@gentoo.org>
  11 #   - Luca Longinotti <chtekk@gentoo.org>
  12 # @AUTHOR: Francesco Riosa (Retired) <vivo@gentoo.org>
  13 # @BLURB: This eclass provides some helper functions for mysql ebuilds
  14 # @DESCRIPTION:
  15 # This eclass providers helpers to build mysql servers including patching
  16 # from an index and initializing certain variables as part of the build.
  17
  18 inherit multilib
  19
  20 # @FUNCTION: stripdots
  21 # @DESCRIPTION:
  22 # Helper function, version (integer) may have sections separated by dots
  23 # for readability.
  24 stripdots() {
  25         local dotver=${1:-"0"}
  26         local v=""
  27         local ret=0
  28         if [[ "${dotver/./}" != "${dotver}" ]] ; then
  29                 # dotted version number
  30                 for i in 1000000 10000 100 1 ; do
  31                         v=${dotver%%\.*}
  32                         # remove leading zeroes
  33                         while [[ ${#v} -gt 1 ]] && [[ ${v:0:1} == "0" ]] ; do v=${v#0} ; done
  34                         # increment integer version number
  35                         ret=$(( ${v} * ${i} + ${ret} ))
  36                         if [[ "${dotver}" == "${dotver/\.}" ]] ; then
  37                                 dotver=0
  38                         else
  39                                 dotver=${dotver#*\.}
  40                         fi
  41                 done
  42                 echo "${ret}"
  43         else
  44                 # already an integer
  45                 v=${dotver}
  46                 while [[ ${#v} -gt 1 ]] && [[ ${v:0:1} == "0" ]] ; do v=${v#0} ; done
  47                 echo "${v}"
  48         fi
  49 }
  50
  51 # @FUNCTION: mysql_check_version_range
  52 # @DESCRIPTION:
  53 # Check if a version number falls inside a given range.
  54 # The range includes the extremes and must be specified as
  55 # "low_version to high_version" i.e. "4.1.2 to 5.1.99.99".
  56 # Returns true if inside the range.
  57 mysql_check_version_range() {
  58         local lbound="${1%% to *}" ; lbound=$(stripdots "${lbound}")
  59         local rbound="${1#* to }"  ; rbound=$(stripdots "${rbound}")
  60         local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
  61         [[ ${lbound} -le ${my_ver} ]] && [[ ${my_ver} -le ${rbound} ]] && return 0
  62         return 1
  63 }
  64
  65 # @FUNCTION: _mysql_test_patch_ver_pn
  66 # @INTERNAL
  67 # @DESCRIPTION:
  68 # True if at least one applicable range is found for the patch.
  69 _mysql_test_patch_ver_pn() {
  70         local allelements=", version, package name"
  71         # So that it fails the directory test if none of them exist
  72         local filesdir="/dev/null"
  73         for d in "${WORKDIR}/mysql-extras-${MY_EXTRAS_VER}" \
  74                 "${WORKDIR}/mysql-extras" ; do
  75                 if [ -d "${d}" ]; then
  76                         filesdir="${d}"
  77                         break
  78                 fi
  79         done
  80
  81         [[ -d "${filesdir}" ]] || die "Source dir must be a directory"
  82         local flags=$1 pname=$2
  83         if [[ $(( $flags & $(( 1 + 4 + 16 )) )) -eq 21 ]] ; then
  84                 einfo "using '${pname}'"
  85                 ln -sf "${filesdir}/${pname}" "${EPATCH_SOURCE}" || die "Couldn't move ${pname}"
  86                 return 0
  87         fi
  88
  89         [[ $(( $flags & $(( 2 + 4 )) )) -gt 0 ]] \
  90         && allelements="${allelements//", version"}"
  91
  92         [[ $(( $flags & $(( 8 + 16 )) )) -gt 0 ]] \
  93         && allelements="${allelements//", package name"}"
  94
  95         [[ -n "${allelements}" ]] && [[ "${flags}" -gt 0 ]] \
  96         && ewarn "QA notice: ${allelements} missing in ${pname} patch"
  97
  98         return 1
  99 }
 100
 101 # @FUNCTION: mysql_mv_patches
 102 # @DESCRIPTION:
 103 # Parse a "index_file" looking for patches to apply to the
 104 # current MySQL version.
 105 # If the patch applies, print its description.
 106 #
 107 mysql_mv_patches() {
 108         # So that it fails the directory test if none of them exist
 109         local filesdir="/dev/null"
 110         if [[ -z "${1}" ]]; then
 111                 for d in "${WORKDIR}/mysql-extras-${MY_EXTRAS_VER}" \
 112                         "${WORKDIR}/mysql-extras" ; do
 113                         if [ -d "${d}" ]; then
 114                                 filesdir="${d}"
 115                                 break
 116                         fi
 117                 done
 118                 [[ -d "${filesdir}" ]] || die "No patches directory found!"
 119         fi
 120
 121         for i in "$1" "${filesdir}/0000_index.txt" "${filesdir}/000_index.txt" ; do
 122                 if [ -n "$i" -a -f "$i" ]; then
 123                         local index_file="$i"
 124                         break
 125                 fi
 126         done
 127
 128         local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
 129         local my_test_fx=${3:-"_mysql_test_patch_ver_pn"}
 130         _mysql_mv_patches "${index_file}" "${my_ver}" "${my_test_fx}"
 131 }
 132
 133 # @FUNCTION: _mysql_mv_patches
 134 # @INTERNAL
 135 _mysql_mv_patches() {
 136         local index_file="${1}"
 137         local my_ver="${2}"
 138         local my_test_fx="${3}"
 139         local dsc ndsc=0 i
 140         dsc=( )
 141
 142         # Values for flags are (2^x):
 143         #  1 - one patch found
 144         #  2 - at least one version range is wrong
 145         #  4 - at least one version range is ok
 146         #  8 - at least one ${PN} did not match
 147         #  16 - at least one ${PN} has been matched
 148         local flags=0 pname=""
 149         while read row ; do
 150                 case "${row}" in
 151                         @patch\ *)
 152                                 [[ -n "${pname}" ]] \
 153                                 && ${my_test_fx} ${flags} "${pname}" \
 154                                 && for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo ">    ${dsc[$i]}" ; done
 155                                 flags=1 ; ndsc=0 ; dsc=( )
 156                                 pname=${row#"@patch "}
 157                                 ;;
 158                         @ver\ *)
 159                                 if mysql_check_version_range "${row#"@ver "}" "${my_ver}" ; then
 160                                         flags=$(( ${flags} | 4 ))
 161                                 else
 162                                         flags=$(( ${flags} | 2 ))
 163                                 fi
 164                                 ;;
 165                         @pn\ *)
 166                                 if [[ ${row#"@pn "} == "${PN}" ]] ; then
 167                                         flags=$(( ${flags} | 16 ))
 168                                 else
 169                                         flags=$(( ${flags} | 8 ))
 170                                 fi
 171                                 ;;
 172                         # @use\ *) ;;
 173                         @@\ *)
 174                                 dsc[$ndsc]="${row#"@@ "}"
 175                                 (( ++ndsc ))
 176                                 ;;
 177                 esac
 178         done < "${index_file}"
 179
 180         ${my_test_fx} ${flags} "${pname}" \
 181         && for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo ">    ${dsc[$i]}" ; done
 182 }
 183
 184 # @FUNCTION: mysql_version_is_at_least
 185 # @DESCRIPTION:
 186 # Is $2 (defaults to $MYSQL_VERSION_ID) at least version $1?
 187 # (nice) idea from versionator.eclass
 188 #
 189 mysql_version_is_at_least() {
 190         local want_s=$(stripdots "$1") have_s=$(stripdots "${2:-${MYSQL_VERSION_ID}}")
 191         [[ -z "${want_s}" ]] && die "mysql_version_is_at_least missing value to check"
 192         [[ ${want_s} -le ${have_s} ]] && return 0 || return 1
 193 }
 194
 195 # @FUNCTION: mysql_lib_symlinks
 196 # @DESCRIPTION:
 197 # To be called on the live filesystem, reassigning symlinks of each MySQL
 198 # library to the best version available. (Obsolete)
 199 #
 200 mysql_lib_symlinks() {
 201
 202         local d dirlist maxdots libname libnameln libsuffix reldir
 203         libsuffix=$(get_libname)
 204
 205         einfo "libsuffix = ${libsuffix}"
 206         einfo "Updating MySQL libraries symlinks"
 207
 208         reldir="${1}"
 209         pushd "${reldir}/usr/$(get_libdir)" &> /dev/null
 210
 211         # dirlist must contain the less significative directory left
 212         dirlist="mysql"
 213
 214         # waste some time in removing and recreating symlinks
 215         for d in $dirlist ; do
 216                 for libname in $( find "${d}" -mindepth 1 -maxdepth 1 -name "*${libsuffix}*" -and -not -type "l" 2>/dev/null ) ; do
 217                         # maxdot is a limit versus infinite loop
 218                         maxdots=0
 219                         libnameln=${libname##*/}
 220                         # loop in version of the library to link it, similar to how
 221                         # libtool works
 222                         if [[ ${CHOST} == *-darwin* ]] ; then
 223                                 # macho: libname.x.y.z.dylib
 224                                 local libbasename=${libnameln%%.*}       # libname
 225                                 local libver=${libnameln#${libbasename}} # .x.y.z.dylib
 226                                 libver=${libver%${libsuffix}}            # .x.y.z
 227                                 while [[ -n ${libver} ]] && [[ ${maxdots} -lt 6 ]] ; do
 228                                         libnameln="${libbasename}${libver}${libsuffix}"
 229                                         rm -f "${libnameln}"
 230                                         ln -s "${libname}" "${libnameln}"
 231                                         (( ++maxdots ))
 232                                         libver=${libver%.*}
 233                                 done
 234                                 libnameln="${libbasename}${libsuffix}"
 235                                 rm -f "${libnameln}"
 236                                 ln -s "${libname}" "${libnameln}"
 237                         else
 238                                 # elf: libname.so.x.y.z
 239                                 while [[ ${libnameln:0-3} != '${libsuffix}' ]] && [[ ${maxdots} -lt 6 ]] ; do
 240                                         rm -f "${libnameln}"
 241                                         ln -s "${libname}" "${libnameln}"
 242                                         (( ++maxdots ))
 243                                         libnameln="${libnameln%.*}"
 244                                 done
 245                                 rm -f "${libnameln}"
 246                                 ln -s "${libname}" "${libnameln}"
 247                         fi
 248                 done
 249         done
 250
 251         popd &> /dev/null
 252 }
 253
 254 # @FUNCTION: mysql_init_vars
 255 # @DESCRIPTION:
 256 # void mysql_init_vars()
 257 # Initialize global variables
 258 # 2005-11-19 <vivo@gentoo.org>
 259 mysql_init_vars() {
 260         MY_SHAREDSTATEDIR=${MY_SHAREDSTATEDIR="${EPREFIX}/usr/share/mysql"}
 261         MY_SYSCONFDIR=${MY_SYSCONFDIR="${EPREFIX}/etc/mysql"}
 262         MY_LOCALSTATEDIR=${MY_LOCALSTATEDIR="${EPREFIX}/var/lib/mysql"}
 263         MY_LOGDIR=${MY_LOGDIR="${EPREFIX}/var/log/mysql"}
 264         MY_INCLUDEDIR=${MY_INCLUDEDIR="${EPREFIX}/usr/include/mysql"}
 265         MY_LIBDIR=${MY_LIBDIR="${EPREFIX}/usr/$(get_libdir)/mysql"}
 266
 267         if [[ -z "${MY_DATADIR}" ]] ; then
 268                 MY_DATADIR=""
 269                 if [[ -f "${MY_SYSCONFDIR}/my.cnf" ]] ; then
 270                         MY_DATADIR=`"my_print_defaults" mysqld 2>/dev/null \
 271                                 | sed -ne '/datadir/s|^--datadir=||p' \
 272                                 | tail -n1`
 273                         if [[ -z "${MY_DATADIR}" ]] ; then
 274                                 MY_DATADIR=`grep ^datadir "${MY_SYSCONFDIR}/my.cnf" \
 275                                 | sed -e 's/.*=\s*//' \
 276                                 | tail -n1`
 277                         fi
 278                 fi
 279                 if [[ -z "${MY_DATADIR}" ]] ; then
 280                         MY_DATADIR="${MY_LOCALSTATEDIR}"
 281                         einfo "Using default MY_DATADIR"
 282                 fi
 283                 elog "MySQL MY_DATADIR is ${MY_DATADIR}"
 284
 285                 if [[ -z "${PREVIOUS_DATADIR}" ]] ; then
 286                         if [[ -e "${MY_DATADIR}" ]] ; then
 287                                 # If you get this and you're wondering about it, see bug #207636
 288                                 elog "MySQL datadir found in ${MY_DATADIR}"
 289                                 elog "A new one will not be created."
 290                                 PREVIOUS_DATADIR="yes"
 291                         else
 292                                 PREVIOUS_DATADIR="no"
 293                         fi
 294                         export PREVIOUS_DATADIR
 295                 fi
 296         else
 297                 if [[ ${EBUILD_PHASE} == "config" ]]; then
 298                         local new_MY_DATADIR
 299                         new_MY_DATADIR=`"my_print_defaults" mysqld 2>/dev/null \
 300                                 | sed -ne '/datadir/s|^--datadir=||p' \
 301                                 | tail -n1`
 302
 303                         if [[ ( -n "${new_MY_DATADIR}" ) && ( "${new_MY_DATADIR}" != "${MY_DATADIR}" ) ]]; then
 304                                 ewarn "MySQL MY_DATADIR has changed"
 305                                 ewarn "from ${MY_DATADIR}"
 306                                 ewarn "to ${new_MY_DATADIR}"
 307                                 MY_DATADIR="${new_MY_DATADIR}"
 308                         fi
 309                 fi
 310         fi
 311
 312         if [ "${MY_SOURCEDIR:-unset}" == "unset" ]; then
 313                 MY_SOURCEDIR=${SERVER_URI##*/}
 314                 MY_SOURCEDIR=${MY_SOURCEDIR%.tar*}
 315         fi
 316
 317         export MY_SHAREDSTATEDIR MY_SYSCONFDIR
 318         export MY_LIBDIR MY_LOCALSTATEDIR MY_LOGDIR
 319         export MY_INCLUDEDIR MY_DATADIR MY_SOURCEDIR
 320 }