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# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/mysql_fx.eclass,v 1.18 2007/01/12 20:51:28 chtekk Exp $
# Author: Francesco Riosa (Retired) <vivo@gentoo.org>
# Maintainer: Luca Longinotti <chtekk@gentoo.org>
inherit multilib
#
# Helper function, version (integer) may have sections separated by dots
# for readability.
#
stripdots() {
local dotver=${1:-"0"}
local v=""
local ret=0
if [[ "${dotver/./}" != "${dotver}" ]] ; then
# dotted version number
for i in 1000000 10000 100 1 ; do
v=${dotver%%\.*}
# remove leading zeroes
while [[ ${#v} -gt 1 ]] && [[ ${v:0:1} == "0" ]] ; do v=${v#0} ; done
# increment integer version number
ret=$(( ${v} * ${i} + ${ret} ))
if [[ "${dotver}" == "${dotver/\.}" ]] ; then
dotver=0
else
dotver=${dotver#*\.}
fi
done
echo "${ret}"
else
# already an integer
v=${dotver}
while [[ ${#v} -gt 1 ]] && [[ ${v:0:1} == "0" ]] ; do v=${v#0} ; done
echo "${v}"
fi
}
#
# Check if a version number falls inside a given range.
# The range includes the extremes and must be specified as
# "low_version to high_version" i.e. "4.1.2 to 5.1.99.99".
# Returns true if inside the range.
#
mysql_check_version_range() {
local lbound="${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 ${rbound} ]] && return 0
return 1
}
#
# True if at least one applicable range is found for the patch.
#
_mysql_test_patch_ver_pn() {
local filesdir="${WORKDIR}/mysql-extras"
local allelements=", version, package name"
[[ -d "${filesdir}" ]] || die "Source dir must be a directory"
local flags=$1 pname=$2
if [[ $(( $flags & $(( 1 + 4 + 16 )) )) -eq 21 ]] ; then
einfo "using '${pname}'"
mv -f "${filesdir}/${pname}" "${EPATCH_SOURCE}" || die "Couldn't move ${pname}"
return 0
fi
[[ $(( $flags & $(( 2 + 4 )) )) -gt 0 ]] \
&& allelements="${allelements//", version"}"
[[ $(( $flags & $(( 8 + 16 )) )) -gt 0 ]] \
&& allelements="${allelements//", package name"}"
[[ -n "${allelements}" ]] && [[ "${flags}" -gt 0 ]] \
&& ewarn "QA notice: ${allelements} missing in ${pname} patch"
return 1
}
#
# Parse a "index_file" looking for patches to apply to the
# current MySQL version.
# If the patch applies, print its description.
#
mysql_mv_patches() {
local index_file="${1:-"${WORKDIR}/mysql-extras/000_index.txt"}"
local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
local my_test_fx=${3:-"_mysql_test_patch_ver_pn"}
local dsc ndsc=0 i
dsc=( )
# 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 ok
# 8 - at least one ${PN} did not match
# 16 - at least one ${PN} has been matched
local flags=0 pname=""
while read row ; do
case "${row}" in
@patch\ *)
[[ -n "${pname}" ]] \
&& ${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
;;
@pn\ *)
if [[ ${row#"@pn "} == "${PN}" ]] ; then
flags=$(( ${flags} | 16 ))
else
flags=$(( ${flags} | 8 ))
fi
;;
# @use\ *) ;;
@@\ *)
dsc[$ndsc]="${row#"@@ "}"
(( ++ndsc ))
;;
esac
done < "${index_file}"
${my_test_fx} ${flags} "${pname}" \
&& for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo "> ${dsc[$i]}" ; done
}
#
# 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 to check"
[[ ${want_s} -le ${have_s} ]] && return 0 || return 1
}
#
# To be called on the live filesystem, reassigning symlinks of each MySQL
# library to the best version available.
#
mysql_lib_symlinks() {
local d dirlist maxdots soname sonameln reldir
reldir="${1}"
pushd "${reldir}/usr/$(get_libdir)" &> /dev/null
# dirlist must contain the less significative directory left
dirlist="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" 2>/dev/null ) ; do
# maxdot is a limit versus infinite loop
maxdots=0
sonameln=${soname##*/}
# loop in version of the library to link it, similar to how
# libtool works
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 &> /dev/null
}
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