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# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/mysql_fx.eclass,v 1.4 2006/01/24 19:14:00 vivo Exp $
# Author: Francesco Riosa <vivo at gentoo.org>
# Maintainer: Francesco Riosa <vivo at gentoo.org>
# helper function, version (integer) may have section separated by dots
# for readbility
stripdots() {
local dotver=${1:-"0"}
while [[ "${dotver/./}" != "${dotver}" ]] ; do dotver="${dotver/./}" ; done
echo "${dotver:-"0"}"
}
# bool mysql_check_version_range(char * range, int ver=MYSQL_VERSION_ID, int die_on_err=MYSQL_DIE_ON_RANGE_ERROR)
#
# Check if a version number fall inside a range.
# the range include the extremes and must be specified as
# "low_version to hi_version" i.e. "4.00.00.00 to 5.01.99.99"
# Return true if inside the range
# 2005-11-19 <vivo at gentoo.org>
mysql_check_version_range() {
local lbound="${1%% to *}" ; lbound=$(stripdots "${lbound}")
local rbound="${1#* to }" ; rbound=$(stripdots "${rbound}")
local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
[[ $lbound -le $my_ver && $my_ver -le $rbound ]] && return 0
return 1
}
# private bool _mysql_test_patch_easy( int flags, char * pname )
#
# true if found at least one appliable range
# 2005-11-19 <vivo at gentoo.org>
_mysql_test_patch_easy() {
local filesdir="${WORKDIR}/mysql-extras"
[[ -d "${filesdir}" ]] || die 'sourcedir must be a directory'
local flags=$1 pname=$2
if [[ $(( $flags & 5 )) -eq 5 ]] ; then
einfo "using \"${pname}\""
mv "${filesdir}/${pname}" "${EPATCH_SOURCE}" || die "cannot move ${pname}"
return 0
fi
return 1
}
# void mysql_mv_patches(char * index_file, char * filesdir, int my_ver)
#
# parse a "index_file" looking for patches to apply to current
# version.
# If the patch apply then print it's description
# 2005-11-19 <vivo at gentoo.org>
mysql_mv_patches() {
local index_file="${1:-"${WORKDIR}/mysql-extras/index.txt"}"
local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
local my_test_fx=${3:-"_mysql_test_patch_easy"}
local dsc=(), ndsc=0 i
# values for flags are (2^x):
# 1 - one patch found
# 2 - at least one version range is wrong
# 4 - at least one version range is _good_
local flags=0 pname='' comments=''
while read row; do
case "${row}" in
@patch\ *)
${my_test_fx} $flags "${pname}" \
&& for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo "> ${dsc[$i]}" ; done
flags=1 ; ndsc=0 ; dsc=()
pname=${row#"@patch "}
;;
@ver\ *)
if mysql_check_version_range "${row#"@ver "}" "${my_ver}" ; then
flags=$(( $flags | 4 ))
else
flags=$(( $flags | 2 ))
fi
;;
# @use\ *) ;;
@@\ *)
dsc[$ndsc]="${row#"@@ "}"
(( ++ndsc ))
;;
esac
done < "${index_file}"
${my_test_fx} $flags "${pname}" \
&& for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo "> ${dsc[$i]}" ; done
}
# * char mysql_strip_double_slash()
#
# initialize global variables
# 2005-11-19 <vivo at gentoo.org>
mysql_strip_double_slash() {
local path="${1}"
local newpath="${path/\/\///}"
while [[ ${path} != ${newpath} ]]; do
path=${newpath}
newpath="${path/\/\///}"
done
echo "${newpath}"
}
# Is $2 (defaults to $MYSQL_VERSION_ID) at least version $1?
# (nice) idea from versionator.eclass
mysql_version_is_at_least() {
local want_s=$(stripdots "$1") have_s=$( stripdots "${2:-${MYSQL_VERSION_ID}}")
[[ -z "${want_s}" ]] && die "mysql_version_is_at_least missing value"
[[ ${want_s} -le ${have_s} ]] && return 0 || return 1
}
# another one inherited from versionator.eclass (version_sort)
mysql_make_file_list() {
local items= left=0
items=( ${1}-[[:digit:]][[:digit:]][[:digit:]] )
[[ "${items}" == "${1}-[[:digit:]][[:digit:]][[:digit:]]" ]] && items=( )
while [[ ${left} -lt ${#items[@]} ]] ; do
local lowest_idx=${left}
local idx=$(( ${lowest_idx} + 1 ))
while [[ ${idx} -lt ${#items[@]} ]] ; do
[[ "${items[${lowest_idx}]}" > "${items[${idx}]}" ]] \
&& lowest_idx=${idx}
idx=$(( ${idx} + 1 ))
done
local tmp=${items[${lowest_idx}]}
items[${lowest_idx}]=${items[${left}]}
items[${left}]=${tmp}
left=$(( ${left} + 1 ))
done
echo ${items[@]}
}
mysql_choose_better_version() {
local items= better="" i
items=${1}-[[:digit:]][[:digit:]][[:digit:]]
[[ "${items}" == "${1}-[[:digit:]][[:digit:]][[:digit:]]" ]] && items=""
for i in ${items} ; do
if [[ "${i}" > "${better}" ]] ; then
better="${i}"
fi
done
echo "${better}"
}
# void mysql_lib_symlinks()
#
# To be called on the live filesystem, reassign symlinks to each mysql
# library to the best version avaiable
# 2005-12-30 <vivo at gentoo.org>
mysql_lib_symlinks() {
local d dirlist maxdots soname sonameln other better
pushd "${ROOT}/usr/$(get_libdir)/"
# dirlist must contain the less significative directory left
dirlist="mysql (mysql_make_file_list mysql)"
# waste some time in removing and recreating symlinks
for d in $dirlist ; do
for soname in $(find "${d}" -name "*.so*" -and -not -type "l") ; do
# maxdot is a limit versus infinite loop
maxdots=0
sonameln=${soname##*/}
# loop in version of the library to link it, similar to the
# libtool work
while [[ ${sonameln:0-3} != '.so' ]] && [[ ${maxdots} -lt 6 ]]
do
rm -f "${sonameln}"
ln -s "${soname}" "${sonameln}"
(( ++maxdots ))
sonameln="${sonameln%.*}"
done
rm -f "${sonameln}"
ln -s "${soname}" "${sonameln}"
done
done
popd
# "include"s and "mysql_config", needed to compile other sw
for other in "/usr/include/mysql" "/usr/bin/mysql_config" ; do
pushd "${ROOT}${other%/*}" &> /dev/null
if ! [[ -d "${other##*/}" ]] ; then
better=$( mysql_choose_better_version "${other##*/}" )
[[ -L "${other##*/}" ]] && rm -f "${other##*/}"
! [[ -f "${other##*/}" ]] && ln -sf "${better}" "${other##*/}"
fi
popd &> /dev/null
done
}
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