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Revision 1.1 - (hide annotations) (download)
Sun Jan 1 18:45:38 2006 UTC (12 years, 7 months ago) by vivo
Branch: MAIN
Adding classes for mysql

1 vivo 1.1 # Copyright 1999-2005 Gentoo Foundation
2     # Distributed under the terms of the GNU General Public License v2
3     # $Header: $
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    
91     # void mysql_init_vars()
92     #
93     # initialize global variables
94     # 2005-11-19 <vivo at gentoo.org>
95     mysql_init_vars() {
96    
97     if [[ ${SLOT} -eq 0 ]] ; then
98     MY_SUFFIX=""
99     else
100     MY_SUFFIX=${MY_SUFFIX:-"-${SLOT}"}
101     fi
102     MY_SHAREDSTATEDIR=${MY_SHAREDSTATEDIR:-"/usr/share/mysql${MY_SUFFIX}"}
103     MY_SYSCONFDIR=${MY_SYSCONFDIR="/etc/mysql${MY_SUFFIX}"}
104     MY_LIBDIR=${MY_LIBDIR="/usr/$(get_libdir)/mysql${MY_SUFFIX}"}
105     MY_LOCALSTATEDIR=${MY_LOCALSTATEDIR="/var/lib/mysql${MY_SUFFIX}"}
106     MY_LOGDIR=${MY_LOGDIR="/var/log/mysql${MY_SUFFIX}"}
107     MY_INCLUDEDIR=${MY_INCLUDEDIR="/usr/include/mysql${MY_SUFFIX}"}
108    
109     if [ -z "${DATADIR}" ]; then
110     DATADIR=""
111     if [ -f "${SYSCONFDIR}/my.cnf" ] ; then
112     DATADIR=`"my_print_defaults${MY_SUFFIX}" mysqld 2>/dev/null | sed -ne '/datadir/s|^--datadir=||p' | tail -n1`
113     if [ -z "${DATADIR}" ]; then
114     DATADIR=`grep ^datadir "${SYSCONFDIR}/my.cnf" | sed -e 's/.*=\s*//'`
115     fi
116     fi
117     if [ -z "${DATADIR}" ]; then
118     DATADIR="${MY_LOCALSTATEDIR}"
119     einfo "Using default DATADIR"
120     fi
121     einfo "MySQL DATADIR is ${DATADIR}"
122    
123     if [ -z "${PREVIOUS_DATADIR}" ] ; then
124     if [ -a "${DATADIR}" ] ; then
125     ewarn "Previous datadir found, it's YOUR job to change"
126     ewarn "ownership and have care of it"
127     PREVIOUS_DATADIR="yes"
128     export PREVIOUS_DATADIR
129     else
130     PREVIOUS_DATADIR="no"
131     export PREVIOUS_DATADIR
132     fi
133     fi
134     fi
135    
136     export MY_SUFFIX MY_SHAREDSTATEDIR MY_SYSCONFDIR
137     export MY_LIBDIR MY_LOCALSTATEDIR MY_LOGDIR
138     export MY_INCLUDEDIR
139     export DATADIR
140     }
141    
142     # void mysql_init_vars()
143     #
144     # initialize global variables
145     # 2005-11-19 <vivo at gentoo.org>
146     mysql_strip_double_slash() {
147     local path="${1}"
148     local newpath="${path/\/\///}"
149     while [[ ${path} != ${newpath} ]]; do
150     path=${newpath}
151     newpath="${path/\/\///}"
152     done
153     echo "${newpath}"
154     }
155    
156     # Is $2 (defaults to $MYSQL_VERSION_ID) at least version $1?
157     # (nice) idea from versionator.eclass
158     mysql_version_is_at_least() {
159     local want_s=$(stripdots "$1") have_s=$( stripdots "${2:-${MYSQL_VERSION_ID}}")
160     [[ -z "${want_s}" ]] && die "mysql_version_is_at_least missing value"
161     [[ ${want_s} -le ${have_s} ]] && return 0 || return 1
162     }
163    
164     # void mysql_lib_symlinks()
165     #
166     # To be called on the live filesystem, reassign symlinks to each mysql
167     # library to the best version avaiable
168     # 2005-12-30 <vivo at gentoo.org>
169     mysql_lib_symlinks() {
170     local d dirlist maxdots soname sonameln
171     pushd "${ROOT}/usr/$(get_libdir)/"
172     # dirlist must contain the less significative directory left
173     dirlist="mysql $(ls -d mysql-[[:digit:]][[:digit:]][[:digit:]] | sort)"
174    
175     # waste some time in removing and recreating symlinks
176     for d in $dirlist ; do
177     for soname in $(find "${d}" -name "*.so*" -and -not -type "l") ; do
178     # maxdot is a limit versus infinite loop
179     maxdots=0
180     sonameln=${soname##*/}
181     # loop in version of the library to link it, similar to the
182     # libtool work
183     while [[ ${sonameln:(-3)} != '.so' ]] && [[ ${maxdots} -lt 6 ]]
184     do
185     rm -f "${sonameln}"
186     ln -s "${soname}" "${sonameln}"
187     (( ++maxdots ))
188     sonameln="${sonameln%.*}"
189     done
190     rm -f "${sonameln}"
191     ln -s "${soname}" "${sonameln}"
192     done
193     done
194     popd
195     }

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