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Revision 1.27 - (show annotations) (download)
Tue Dec 27 17:55:12 2011 UTC (6 years, 10 months ago) by fauli
Branch: MAIN
Changes since 1.26: +2 -2 lines
Update copyright years in headers

1 # Copyright 1999-2011 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 1.26 2011/09/30 02:10:24 jmbsvicetto Exp $
4
5 # Author: Francesco Riosa (Retired) <vivo@gentoo.org>
6 # Maintainer:
7 # - MySQL Team <mysql-bugs@gentoo.org>
8 # - Luca Longinotti <chtekk@gentoo.org>
9
10 inherit multilib
11
12 #
13 # Helper function, version (integer) may have sections separated by dots
14 # for readability.
15 #
16 stripdots() {
17 local dotver=${1:-"0"}
18 local v=""
19 local ret=0
20 if [[ "${dotver/./}" != "${dotver}" ]] ; then
21 # dotted version number
22 for i in 1000000 10000 100 1 ; do
23 v=${dotver%%\.*}
24 # remove leading zeroes
25 while [[ ${#v} -gt 1 ]] && [[ ${v:0:1} == "0" ]] ; do v=${v#0} ; done
26 # increment integer version number
27 ret=$(( ${v} * ${i} + ${ret} ))
28 if [[ "${dotver}" == "${dotver/\.}" ]] ; then
29 dotver=0
30 else
31 dotver=${dotver#*\.}
32 fi
33 done
34 echo "${ret}"
35 else
36 # already an integer
37 v=${dotver}
38 while [[ ${#v} -gt 1 ]] && [[ ${v:0:1} == "0" ]] ; do v=${v#0} ; done
39 echo "${v}"
40 fi
41 }
42
43 #
44 # Check if a version number falls inside a given range.
45 # The range includes the extremes and must be specified as
46 # "low_version to high_version" i.e. "4.1.2 to 5.1.99.99".
47 # Returns true if inside the range.
48 #
49 mysql_check_version_range() {
50 local lbound="${1%% to *}" ; lbound=$(stripdots "${lbound}")
51 local rbound="${1#* to }" ; rbound=$(stripdots "${rbound}")
52 local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
53 [[ ${lbound} -le ${my_ver} ]] && [[ ${my_ver} -le ${rbound} ]] && return 0
54 return 1
55 }
56
57 #
58 # True if at least one applicable range is found for the patch.
59 #
60 _mysql_test_patch_ver_pn() {
61 local allelements=", version, package name"
62 # So that it fails the directory test if none of them exist
63 local filesdir="/dev/null"
64 for d in "${WORKDIR}/mysql-extras-${MY_EXTRAS_VER}" \
65 "${WORKDIR}/mysql-extras" ; do
66 if [ -d "${d}" ]; then
67 filesdir="${d}"
68 break
69 fi
70 done
71
72 [[ -d "${filesdir}" ]] || die "Source dir must be a directory"
73 local flags=$1 pname=$2
74 if [[ $(( $flags & $(( 1 + 4 + 16 )) )) -eq 21 ]] ; then
75 einfo "using '${pname}'"
76 ln -sf "${filesdir}/${pname}" "${EPATCH_SOURCE}" || die "Couldn't move ${pname}"
77 return 0
78 fi
79
80 [[ $(( $flags & $(( 2 + 4 )) )) -gt 0 ]] \
81 && allelements="${allelements//", version"}"
82
83 [[ $(( $flags & $(( 8 + 16 )) )) -gt 0 ]] \
84 && allelements="${allelements//", package name"}"
85
86 [[ -n "${allelements}" ]] && [[ "${flags}" -gt 0 ]] \
87 && ewarn "QA notice: ${allelements} missing in ${pname} patch"
88
89 return 1
90 }
91
92 #
93 # Parse a "index_file" looking for patches to apply to the
94 # current MySQL version.
95 # If the patch applies, print its description.
96 #
97 mysql_mv_patches() {
98 # So that it fails the directory test if none of them exist
99 local filesdir="/dev/null"
100 if [[ -z "${1}" ]]; then
101 for d in "${WORKDIR}/mysql-extras-${MY_EXTRAS_VER}" \
102 "${WORKDIR}/mysql-extras" ; do
103 if [ -d "${d}" ]; then
104 filesdir="${d}"
105 break
106 fi
107 done
108 [[ -d "${filesdir}" ]] || die "No patches directory found!"
109 fi
110
111 for i in "$1" "${filesdir}/0000_index.txt" "${filesdir}/000_index.txt" ; do
112 if [ -n "$i" -a -f "$i" ]; then
113 local index_file="$i"
114 break
115 fi
116 done
117
118 local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
119 local my_test_fx=${3:-"_mysql_test_patch_ver_pn"}
120 _mysql_mv_patches "${index_file}" "${my_ver}" "${my_test_fx}"
121 }
122
123 _mysql_mv_patches() {
124 local index_file="${1}"
125 local my_ver="${2}"
126 local my_test_fx="${3}"
127 local dsc ndsc=0 i
128 dsc=( )
129
130 # Values for flags are (2^x):
131 # 1 - one patch found
132 # 2 - at least one version range is wrong
133 # 4 - at least one version range is ok
134 # 8 - at least one ${PN} did not match
135 # 16 - at least one ${PN} has been matched
136 local flags=0 pname=""
137 while read row ; do
138 case "${row}" in
139 @patch\ *)
140 [[ -n "${pname}" ]] \
141 && ${my_test_fx} ${flags} "${pname}" \
142 && for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo "> ${dsc[$i]}" ; done
143 flags=1 ; ndsc=0 ; dsc=( )
144 pname=${row#"@patch "}
145 ;;
146 @ver\ *)
147 if mysql_check_version_range "${row#"@ver "}" "${my_ver}" ; then
148 flags=$(( ${flags} | 4 ))
149 else
150 flags=$(( ${flags} | 2 ))
151 fi
152 ;;
153 @pn\ *)
154 if [[ ${row#"@pn "} == "${PN}" ]] ; then
155 flags=$(( ${flags} | 16 ))
156 else
157 flags=$(( ${flags} | 8 ))
158 fi
159 ;;
160 # @use\ *) ;;
161 @@\ *)
162 dsc[$ndsc]="${row#"@@ "}"
163 (( ++ndsc ))
164 ;;
165 esac
166 done < "${index_file}"
167
168 ${my_test_fx} ${flags} "${pname}" \
169 && for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo "> ${dsc[$i]}" ; done
170 }
171
172 #
173 # Is $2 (defaults to $MYSQL_VERSION_ID) at least version $1?
174 # (nice) idea from versionator.eclass
175 #
176 mysql_version_is_at_least() {
177 local want_s=$(stripdots "$1") have_s=$(stripdots "${2:-${MYSQL_VERSION_ID}}")
178 [[ -z "${want_s}" ]] && die "mysql_version_is_at_least missing value to check"
179 [[ ${want_s} -le ${have_s} ]] && return 0 || return 1
180 }
181
182 #
183 # To be called on the live filesystem, reassigning symlinks of each MySQL
184 # library to the best version available.
185 #
186 mysql_lib_symlinks() {
187
188 local d dirlist maxdots libname libnameln libsuffix reldir
189 libsuffix=$(get_libname)
190
191 einfo "libsuffix = ${libsuffix}"
192 einfo "Updating MySQL libraries symlinks"
193
194 reldir="${1}"
195 pushd "${reldir}/usr/$(get_libdir)" &> /dev/null
196
197 # dirlist must contain the less significative directory left
198 dirlist="mysql"
199
200 # waste some time in removing and recreating symlinks
201 for d in $dirlist ; do
202 for libname in $( find "${d}" -mindepth 1 -maxdepth 1 -name "*${libsuffix}*" -and -not -type "l" 2>/dev/null ) ; do
203 # maxdot is a limit versus infinite loop
204 maxdots=0
205 libnameln=${libname##*/}
206 # loop in version of the library to link it, similar to how
207 # libtool works
208 while [[ ${libnameln:0-3} != '${libsuffix}' ]] && [[ ${maxdots} -lt 6 ]] ; do
209 rm -f "${libnameln}"
210 ln -s "${libname}" "${libnameln}"
211 (( ++maxdots ))
212 libnameln="${libnameln%.*}"
213 done
214 rm -f "${libnameln}"
215 ln -s "${libname}" "${libnameln}"
216 done
217 done
218
219 popd &> /dev/null
220 }
221
222 # @FUNCTION: mysql_init_vars
223 # @DESCRIPTION:
224 # void mysql_init_vars()
225 # Initialize global variables
226 # 2005-11-19 <vivo@gentoo.org>
227 mysql_init_vars() {
228 MY_SHAREDSTATEDIR=${MY_SHAREDSTATEDIR="/usr/share/mysql"}
229 MY_SYSCONFDIR=${MY_SYSCONFDIR="/etc/mysql"}
230 MY_LOCALSTATEDIR=${MY_LOCALSTATEDIR="/var/lib/mysql"}
231 MY_LOGDIR=${MY_LOGDIR="/var/log/mysql"}
232 MY_INCLUDEDIR=${MY_INCLUDEDIR="/usr/include/mysql"}
233 MY_LIBDIR=${MY_LIBDIR="/usr/$(get_libdir)/mysql"}
234
235 if [[ -z "${MY_DATADIR}" ]] ; then
236 MY_DATADIR=""
237 if [[ -f "${MY_SYSCONFDIR}/my.cnf" ]] ; then
238 MY_DATADIR=`"my_print_defaults" mysqld 2>/dev/null \
239 | sed -ne '/datadir/s|^--datadir=||p' \
240 | tail -n1`
241 if [[ -z "${MY_DATADIR}" ]] ; then
242 MY_DATADIR=`grep ^datadir "${MY_SYSCONFDIR}/my.cnf" \
243 | sed -e 's/.*=\s*//' \
244 | tail -n1`
245 fi
246 fi
247 if [[ -z "${MY_DATADIR}" ]] ; then
248 MY_DATADIR="${MY_LOCALSTATEDIR}"
249 einfo "Using default MY_DATADIR"
250 fi
251 elog "MySQL MY_DATADIR is ${MY_DATADIR}"
252
253 if [[ -z "${PREVIOUS_DATADIR}" ]] ; then
254 if [[ -e "${MY_DATADIR}" ]] ; then
255 # If you get this and you're wondering about it, see bug #207636
256 elog "MySQL datadir found in ${MY_DATADIR}"
257 elog "A new one will not be created."
258 PREVIOUS_DATADIR="yes"
259 else
260 PREVIOUS_DATADIR="no"
261 fi
262 export PREVIOUS_DATADIR
263 fi
264 else
265 if [[ ${EBUILD_PHASE} == "config" ]]; then
266 local new_MY_DATADIR
267 new_MY_DATADIR=`"my_print_defaults" mysqld 2>/dev/null \
268 | sed -ne '/datadir/s|^--datadir=||p' \
269 | tail -n1`
270
271 if [[ ( -n "${new_MY_DATADIR}" ) && ( "${new_MY_DATADIR}" != "${MY_DATADIR}" ) ]]; then
272 ewarn "MySQL MY_DATADIR has changed"
273 ewarn "from ${MY_DATADIR}"
274 ewarn "to ${new_MY_DATADIR}"
275 MY_DATADIR="${new_MY_DATADIR}"
276 fi
277 fi
278 fi
279
280 if [ "${MY_SOURCEDIR:-unset}" == "unset" ]; then
281 MY_SOURCEDIR=${SERVER_URI##*/}
282 MY_SOURCEDIR=${MY_SOURCEDIR%.tar*}
283 fi
284
285 export MY_SHAREDSTATEDIR MY_SYSCONFDIR
286 export MY_LIBDIR MY_LOCALSTATEDIR MY_LOGDIR
287 export MY_INCLUDEDIR MY_DATADIR MY_SOURCEDIR
288 }

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