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Revision 1.5 - (show annotations) (download)
Tue Jan 24 20:21:37 2006 UTC (12 years, 5 months ago) by vivo
Branch: MAIN
Changes since 1.4: +5 -6 lines
missed $ and wrong assumption made mysql_lib_symlinks fail

1 # Copyright 1999-2005 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/mysql_fx.eclass,v 1.4 2006/01/24 19:14:00 vivo Exp $
4
5 # Author: Francesco Riosa <vivo at gentoo.org>
6 # Maintainer: Francesco Riosa <vivo at gentoo.org>
7
8 # helper function, version (integer) may have section separated by dots
9 # for readbility
10 stripdots() {
11 local dotver=${1:-"0"}
12 while [[ "${dotver/./}" != "${dotver}" ]] ; do dotver="${dotver/./}" ; done
13 echo "${dotver:-"0"}"
14 }
15
16 # bool mysql_check_version_range(char * range, int ver=MYSQL_VERSION_ID, int die_on_err=MYSQL_DIE_ON_RANGE_ERROR)
17 #
18 # Check if a version number fall inside a range.
19 # the range include the extremes and must be specified as
20 # "low_version to hi_version" i.e. "4.00.00.00 to 5.01.99.99"
21 # Return true if inside the range
22 # 2005-11-19 <vivo at gentoo.org>
23 mysql_check_version_range() {
24 local lbound="${1%% to *}" ; lbound=$(stripdots "${lbound}")
25 local rbound="${1#* to }" ; rbound=$(stripdots "${rbound}")
26 local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
27 [[ $lbound -le $my_ver && $my_ver -le $rbound ]] && return 0
28 return 1
29 }
30
31 # private bool _mysql_test_patch_easy( int flags, char * pname )
32 #
33 # true if found at least one appliable range
34 # 2005-11-19 <vivo at gentoo.org>
35 _mysql_test_patch_easy() {
36 local filesdir="${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 ${pname}"
42 return 0
43 fi
44 return 1
45 }
46
47 # void mysql_mv_patches(char * index_file, char * filesdir, int my_ver)
48 #
49 # parse a "index_file" looking for patches to apply to current
50 # version.
51 # If the patch apply then print it's description
52 # 2005-11-19 <vivo at gentoo.org>
53 mysql_mv_patches() {
54 local index_file="${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
59 # values for flags are (2^x):
60 # 1 - one patch found
61 # 2 - at least one version range is wrong
62 # 4 - at least one version range is _good_
63 local flags=0 pname='' comments=''
64 while read row; do
65 case "${row}" in
66 @patch\ *)
67 ${my_test_fx} $flags "${pname}" \
68 && for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo "> ${dsc[$i]}" ; done
69 flags=1 ; ndsc=0 ; dsc=()
70 pname=${row#"@patch "}
71 ;;
72 @ver\ *)
73 if mysql_check_version_range "${row#"@ver "}" "${my_ver}" ; then
74 flags=$(( $flags | 4 ))
75 else
76 flags=$(( $flags | 2 ))
77 fi
78 ;;
79 # @use\ *) ;;
80 @@\ *)
81 dsc[$ndsc]="${row#"@@ "}"
82 (( ++ndsc ))
83 ;;
84 esac
85 done < "${index_file}"
86 ${my_test_fx} $flags "${pname}" \
87 && for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo "> ${dsc[$i]}" ; done
88 }
89
90 # * char mysql_strip_double_slash()
91 #
92 # initialize global variables
93 # 2005-11-19 <vivo at gentoo.org>
94 mysql_strip_double_slash() {
95 local path="${1}"
96 local newpath="${path/\/\///}"
97 while [[ ${path} != ${newpath} ]]; do
98 path=${newpath}
99 newpath="${path/\/\///}"
100 done
101 echo "${newpath}"
102 }
103
104 # Is $2 (defaults to $MYSQL_VERSION_ID) at least version $1?
105 # (nice) idea from versionator.eclass
106 mysql_version_is_at_least() {
107 local want_s=$(stripdots "$1") have_s=$( stripdots "${2:-${MYSQL_VERSION_ID}}")
108 [[ -z "${want_s}" ]] && die "mysql_version_is_at_least missing value"
109 [[ ${want_s} -le ${have_s} ]] && return 0 || return 1
110 }
111
112 # another one inherited from versionator.eclass (version_sort)
113 mysql_make_file_list() {
114 local items= left=0
115 items=( ${1}-[[:digit:]][[:digit:]][[:digit:]] )
116 [[ "${items}" == "${1}-[[:digit:]][[:digit:]][[:digit:]]" ]] && items=( )
117
118 while [[ ${left} -lt ${#items[@]} ]] ; do
119 local lowest_idx=${left}
120 local idx=$(( ${lowest_idx} + 1 ))
121 while [[ ${idx} -lt ${#items[@]} ]] ; do
122 [[ "${items[${lowest_idx}]}" > "${items[${idx}]}" ]] \
123 && lowest_idx=${idx}
124 idx=$(( ${idx} + 1 ))
125 done
126 local tmp=${items[${lowest_idx}]}
127 items[${lowest_idx}]=${items[${left}]}
128 items[${left}]=${tmp}
129 left=$(( ${left} + 1 ))
130 done
131 echo ${items[@]}
132 }
133
134 mysql_choose_better_version() {
135 local items= better="" i
136 items="$( ls ${1}-[[:digit:]][[:digit:]][[:digit:]] )"
137 for i in ${items} ; do
138 if [[ "${i}" > "${better}" ]] ; then
139 better="${i}"
140 fi
141 done
142 echo "${better}"
143 }
144
145
146 # void mysql_lib_symlinks()
147 #
148 # To be called on the live filesystem, reassign symlinks to each mysql
149 # library to the best version avaiable
150 # 2005-12-30 <vivo at gentoo.org>
151 mysql_lib_symlinks() {
152 local d dirlist maxdots soname sonameln other better
153 pushd "${ROOT}/usr/$(get_libdir)/" &> /dev/null
154 # dirlist must contain the less significative directory left
155 dirlist="mysql $( mysql_make_file_list mysql )"
156
157 # waste some time in removing and recreating symlinks
158 for d in $dirlist ; do
159 for soname in $(find "${d}" -name "*.so*" -and -not -type "l") ; do
160 # maxdot is a limit versus infinite loop
161 maxdots=0
162 sonameln=${soname##*/}
163 # loop in version of the library to link it, similar to the
164 # libtool work
165 while [[ ${sonameln:0-3} != '.so' ]] && [[ ${maxdots} -lt 6 ]]
166 do
167 rm -f "${sonameln}"
168 ln -s "${soname}" "${sonameln}"
169 (( ++maxdots ))
170 sonameln="${sonameln%.*}"
171 done
172 rm -f "${sonameln}"
173 ln -s "${soname}" "${sonameln}"
174 done
175 done
176 popd &> /dev/null
177
178 # "include"s and "mysql_config", needed to compile other sw
179 for other in "/usr/include/mysql" "/usr/bin/mysql_config" ; do
180 pushd "${ROOT}${other%/*}" &> /dev/null
181 if ! [[ -d "${other##*/}" ]] ; then
182 better=$( mysql_choose_better_version "${other##*/}" )
183 [[ -L "${other##*/}" ]] && rm -f "${other##*/}"
184 ! [[ -f "${other##*/}" ]] && ln -sf "${better}" "${other##*/}"
185 fi
186 popd &> /dev/null
187 done
188 }

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