/[gentoo-x86]/eclass/mysql_fx.eclass
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Revision 1.9 Revision 1.15
1# Copyright 1999-2005 Gentoo Foundation 1# Copyright 1999-2006 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/mysql_fx.eclass,v 1.9 2006/03/10 11:41:39 vivo Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/mysql_fx.eclass,v 1.15 2007/01/01 22:27:01 swegener Exp $
4 4
5# Author: Francesco Riosa <vivo at gentoo.org> 5# Author: Francesco Riosa <vivo@gentoo.org>
6# Maintainer: Francesco Riosa <vivo at gentoo.org> 6# Maintainer: Francesco Riosa <vivo@gentoo.org>
7 7
8ECLASS="mysql_fx"
9INHERITED="$INHERITED $ECLASS"
10inherit multilib
11
8# helper function, version (integer) may have section separated by dots 12# Helper function, version (integer) may have sections separated by dots
9# for readbility 13# for readability
14#
10stripdots() { 15stripdots() {
11 local dotver=${1:-"0"} 16 local dotver=${1:-"0"}
12 while [[ "${dotver/./}" != "${dotver}" ]] ; do dotver="${dotver/./}" ; done 17 local v=""
13 echo "${dotver:-"0"}" 18 local ret=0
19 if [[ "${dotver/./}" != "${dotver}" ]] ; then
20 # dotted version number
21 for i in 1000000 10000 100 1 ; do
22 v=${dotver%%\.*}
23 # remove leading zeroes
24 while [[ ${#v} -gt 1 ]] && [[ ${v:0:1} == "0" ]]; do v=${v#0}; done
25 # increment integer version number
26 ret=$(( ${v} * ${i} + ${ret} ))
27 if [[ "${dotver}" == "${dotver/\.}" ]] ; then
28 dotver=0
29 else
30 dotver=${dotver#*\.}
31 fi
32 done
33 echo ${ret}
34 else
35 # already an integer
36 v=${dotver}
37 while [[ ${#v} -gt 1 ]] && [[ ${v:0:1} == "0" ]]; do v=${v#0}; done
38 echo ${v}
39 fi
14} 40}
15 41
16# bool mysql_check_version_range(char * range, int ver=MYSQL_VERSION_ID, int die_on_err=MYSQL_DIE_ON_RANGE_ERROR)
17# 42#
18# Check if a version number fall inside a range. 43# Check if a version number falls inside a given range.
19# the range include the extremes and must be specified as 44# The range includes the extremes and must be specified as
20# "low_version to hi_version" i.e. "4.00.00.00 to 5.01.99.99" 45# "low_version to high_version" i.e. "4.00.00.00 to 5.01.99.99"
21# Return true if inside the range 46# Return true if inside the range
22# 2005-11-19 <vivo at gentoo.org> 47# 2005-11-19 <vivo@gentoo.org>
48#
23mysql_check_version_range() { 49mysql_check_version_range() {
24 local lbound="${1%% to *}" ; lbound=$(stripdots "${lbound}") 50 local lbound="${1%% to *}" ; lbound=$(stripdots "${lbound}")
25 local rbound="${1#* to }" ; rbound=$(stripdots "${rbound}") 51 local rbound="${1#* to }" ; rbound=$(stripdots "${rbound}")
26 local my_ver="${2:-"${MYSQL_VERSION_ID}"}" 52 local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
27 [[ $lbound -le $my_ver && $my_ver -le $rbound ]] && return 0 53 [[ ${lbound} -le ${my_ver} && ${my_ver} -le ${rbound} ]] && return 0
28 return 1 54 return 1
29}
30
31# private bool _mysql_test_patch_easy( int flags, char * pname )
32#
33# true if found at least one appliable range
34# 2005-11-19 <vivo at gentoo.org>
35_mysql_test_patch_easy() {
36 local filesdir="${WORKDIR}/mysql-extras"
37 [[ -d "${filesdir}" ]] || die 'sourcedir must be a directory'
38 local flags=$1 pname=$2
39 if [[ $(( $flags & 5 )) -eq 5 ]] ; then
40 einfo "using \"${pname}\""
41 mv "${filesdir}/${pname}" "${EPATCH_SOURCE}" || die "cannot move ${pname}"
42 return 0
43 fi
44 return 1
45}
46
47# void mysql_mv_patches(char * index_file, char * filesdir, int my_ver)
48#
49# parse a "index_file" looking for patches to apply to current
50# version.
51# If the patch apply then print it's description
52# 2005-11-19 <vivo at gentoo.org>
53mysql_mv_patches() {
54 local index_file="${1:-"${WORKDIR}/mysql-extras/index.txt"}"
55 local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
56 local my_test_fx=${3:-"_mysql_test_patch_easy"}
57 local dsc ndsc=0 i
58 dsc=( )
59
60 # values for flags are (2^x):
61 # 1 - one patch found
62 # 2 - at least one version range is wrong
63 # 4 - at least one version range is _good_
64 local flags=0 pname='' comments=''
65 while read row; do
66 case "${row}" in
67 @patch\ *)
68 ${my_test_fx} $flags "${pname}" \
69 && for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo "> ${dsc[$i]}" ; done
70 flags=1 ; ndsc=0 ; dsc=( )
71 pname=${row#"@patch "}
72 ;;
73 @ver\ *)
74 if mysql_check_version_range "${row#"@ver "}" "${my_ver}" ; then
75 flags=$(( $flags | 4 ))
76 else
77 flags=$(( $flags | 2 ))
78 fi
79 ;;
80 # @use\ *) ;;
81 @@\ *)
82 dsc[$ndsc]="${row#"@@ "}"
83 (( ++ndsc ))
84 ;;
85 esac
86 done < "${index_file}"
87 ${my_test_fx} $flags "${pname}" \
88 && for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo "> ${dsc[$i]}" ; done
89} 55}
90 56
91# * char mysql_strip_double_slash() 57# * char mysql_strip_double_slash()
92# 58#
93# initialize global variables 59# Strip double slashes from passed argument.
94# 2005-11-19 <vivo at gentoo.org> 60# 2005-11-19 <vivo@gentoo.org>
61#
95mysql_strip_double_slash() { 62mysql_strip_double_slash() {
96 local path="${1}" 63 local path="${1}"
97 local newpath="${path/\/\///}" 64 local newpath="${path/\/\///}"
98 while [[ ${path} != ${newpath} ]]; do 65 while [[ "${path}" != "${newpath}" ]] ; do
99 path=${newpath} 66 path="${newpath}"
100 newpath="${path/\/\///}" 67 newpath="${path/\/\///}"
101 done 68 done
102 echo "${newpath}" 69 echo "${newpath}"
103} 70}
104 71
105# Is $2 (defaults to $MYSQL_VERSION_ID) at least version $1? 72# Is $2 (defaults to $MYSQL_VERSION_ID) at least version $1?
106# (nice) idea from versionator.eclass 73# (nice) idea from versionator.eclass
74#
107mysql_version_is_at_least() { 75mysql_version_is_at_least() {
108 local want_s=$(stripdots "$1") have_s=$( stripdots "${2:-${MYSQL_VERSION_ID}}") 76 local want_s=$(stripdots "$1") have_s=$(stripdots "${2:-${MYSQL_VERSION_ID}}")
109 [[ -z "${want_s}" ]] && die "mysql_version_is_at_least missing value" 77 [[ -z "${want_s}" ]] && die "mysql_version_is_at_least missing value to check"
110 [[ ${want_s} -le ${have_s} ]] && return 0 || return 1 78 [[ ${want_s} -le ${have_s} ]] && return 0 || return 1
111} 79}
112 80
113# another one inherited from versionator.eclass (version_sort)
114# THERE IS A COPY OF THIS ONE IN ESELECT-MYSQL, keep the two synced 81# THERE IS A COPY OF THIS ONE IN ESELECT-MYSQL, keep the two synced
82# crappy sorting file list per version
115mysql_make_file_list() { 83mysql_make_file_list() {
116 local items= left=0 84 local base="${1}-"
117 items=$( ls -d ${1}-[[:digit:]][[:digit:]][[:digit:]] 2>/dev/null ) 85 local n=( )
118 86 echo $( for i in $( ls -d ${1}-[[:digit:]]_[[:digit:]]{,[[:digit:]]}_[[:digit:]]{,[[:digit:]]} 2>/dev/null )
119 while [[ ${left} -lt ${#items[@]} ]] ; do
120 local lowest_idx=${left}
121 local idx=$(( ${lowest_idx} + 1 ))
122 while [[ ${idx} -lt ${#items[@]} ]] ; do
123 [[ "${items[${lowest_idx}]}" > "${items[${idx}]}" ]] \
124 && lowest_idx=${idx}
125 idx=$(( ${idx} + 1 ))
126 done
127 local tmp=${items[${lowest_idx}]}
128 items[${lowest_idx}]=${items[${left}]}
129 items[${left}]=${tmp}
130 left=$(( ${left} + 1 ))
131 done 87 do
132 echo ${items[@]} 88 n=${i#${base}}
89 n=( ${n//_/ } )
90 # prepend the file name with its numeric version number to make
91 # it sortable
92 echo "$(( 100000 + ${n[0]} * 10000 + ${n[1]} * 100 + ${n[2]} ))$i"
93 # sort and cut the numeric version we added in the previous line
94 done | sort | cut -c 7- )
133} 95}
134 96
135# THERE IS A COPY OF THIS ONE IN ESELECT-MYSQL, keep the two synced 97# THERE IS A COPY OF THIS ONE IN ESELECT-MYSQL, keep the two synced
136mysql_choose_better_version() { 98mysql_choose_better_version() {
137 local items= better="" i 99 local better=$(mysql_make_file_list ${1})
138 items="$( ls -d ${1}-[[:digit:]][[:digit:]][[:digit:]] )"
139 for i in ${items} ; do
140 if [[ "${i}" > "${better}" ]] ; then
141 better="${i}"
142 fi
143 done
144 echo "${better}" 100 echo ${better##* }
145} 101}
146
147 102
148# void mysql_lib_symlinks() 103# void mysql_lib_symlinks()
149# 104#
150# To be called on the live filesystem, reassign symlinks to each mysql 105# To be called on the live filesystem, reassigning symlinks of each MySQL
151# library to the best version avaiable 106# library to the best version available.
152# 2005-12-30 <vivo at gentoo.org> 107# 2005-12-30 <vivo@gentoo.org>
153# THERE IS A COPY OF THIS ONE IN ESELECT-MYSQL, keep the two synced 108#
154mysql_lib_symlinks() { 109mysql_lib_symlinks() {
155 local d dirlist maxdots soname sonameln other better 110 local d dirlist maxdots soname sonameln other better
156 pushd "${ROOT}/usr/lib" &> /dev/null 111 pushd "${ROOT}/usr/$(get_libdir)" &> /dev/null
157 # dirlist must contain the less significative directory left
158 dirlist="mysql $( mysql_make_file_list mysql )"
159 112
113 # dirlist must contain the less significative directory left
114 dirlist="mysql"
115
160 # waste some time in removing and recreating symlinks 116 # waste some time in removing and recreating symlinks
161 for d in $dirlist ; do 117 for d in $dirlist ; do
162 for soname in $(find "${d}" -name "*.so*" -and -not -type "l") ; do 118 for soname in $(find "${d}" -name "*.so*" -and -not -type "l") ; do
163 # maxdot is a limit versus infinite loop 119 # maxdot is a limit versus infinite loop
164 maxdots=0 120 maxdots=0
165 sonameln=${soname##*/} 121 sonameln=${soname##*/}
166 # loop in version of the library to link it, similar to the 122 # loop in version of the library to link it, similar to how
167 # libtool work 123 # libtool works
168 while [[ ${sonameln:0-3} != '.so' ]] && [[ ${maxdots} -lt 6 ]] 124 while [[ ${sonameln:0-3} != '.so' ]] && [[ ${maxdots} -lt 6 ]] ; do
169 do
170 rm -f "${sonameln}"
171 ln -s "${soname}" "${sonameln}"
172 (( ++maxdots ))
173 sonameln="${sonameln%.*}"
174 done
175 rm -f "${sonameln}" 125 rm -f "${sonameln}"
176 ln -s "${soname}" "${sonameln}" 126 ln -s "${soname}" "${sonameln}"
127 (( ++maxdots ))
128 sonameln="${sonameln%.*}"
177 done 129 done
130 rm -f "${sonameln}"
131 ln -s "${soname}" "${sonameln}"
178 done 132 done
133 done
134
179 popd &> /dev/null 135 popd &> /dev/null
180
181 # "include"s and "mysql_config", needed to compile other sw
182 for other in "/usr/lib/mysql" "/usr/include/mysql" "/usr/bin/mysql_config" ; do
183 pushd "${ROOT}${other%/*}" &> /dev/null
184 better=$( mysql_choose_better_version "${other##*/}" )
185 if ! [[ -d "${other##*/}" ]] ; then
186 [[ -L "${other##*/}" ]] && rm -f "${other##*/}"
187 ! [[ -f "${other##*/}" ]] && ln -sf "${better}" "${other##*/}"
188 else
189 [[ -L "${other##*/}" ]] && rm -f "${other##*/}"
190 ! [[ -d "${other##*/}" ]] && ln -s "${better}" "${other##*/}"
191 fi
192 popd &> /dev/null
193 done
194} 136}

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