summaryrefslogtreecommitdiff
blob: e69cd7db0a34b9c2dcba3759fe75aa57fed4ce71 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/mysql_fx.eclass,v 1.5 2006/01/24 20:21:37 vivo Exp $

# Author: Francesco Riosa <vivo at gentoo.org>
# Maintainer: Francesco Riosa <vivo at gentoo.org>

# helper function, version (integer) may have section separated by dots
# for readbility
stripdots() {
	local dotver=${1:-"0"}
	while [[ "${dotver/./}" != "${dotver}" ]] ; do dotver="${dotver/./}" ; done
	echo "${dotver:-"0"}"
}

# bool mysql_check_version_range(char * range, int ver=MYSQL_VERSION_ID, int die_on_err=MYSQL_DIE_ON_RANGE_ERROR)
#
# Check if a version number fall inside a range.
# the range include the extremes and must be specified as
# "low_version to hi_version" i.e. "4.00.00.00 to 5.01.99.99"
# Return true if inside the range
# 2005-11-19 <vivo at gentoo.org>
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
}

# private bool _mysql_test_patch_easy( int flags, char * pname )
#
# true if found at least one appliable range
# 2005-11-19 <vivo at gentoo.org>
_mysql_test_patch_easy() {
	local filesdir="${WORKDIR}/mysql-extras"
	[[ -d "${filesdir}" ]] || die 'sourcedir must be a directory'
	local flags=$1 pname=$2
	if [[ $(( $flags & 5 )) -eq 5 ]] ; then
		einfo "using \"${pname}\""
		mv "${filesdir}/${pname}" "${EPATCH_SOURCE}" || die "cannot move ${pname}"
		return 0
	fi
	return 1
}

# void mysql_mv_patches(char * index_file, char * filesdir, int my_ver)
#
# parse a "index_file" looking for patches to apply to current
# version.
# If the patch apply then print it's description
# 2005-11-19 <vivo at gentoo.org>
mysql_mv_patches() {
	local index_file="${1:-"${WORKDIR}/mysql-extras/index.txt"}"
	local my_ver="${2:-"${MYSQL_VERSION_ID}"}"
	local my_test_fx=${3:-"_mysql_test_patch_easy"}
	local dsc=(), ndsc=0 i

	# 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 _good_
	local flags=0 pname='' comments=''
	while read row; do
		case "${row}" in
			@patch\ *)
				${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 "}" "${my_ver}" ; then
					flags=$(( $flags | 4 ))
				else
					flags=$(( $flags | 2 ))
				fi
				;;
			# @use\ *) ;;
			@@\ *)
				dsc[$ndsc]="${row#"@@ "}"
				(( ++ndsc ))
				;;
		esac
	done < "${index_file}"
	${my_test_fx} $flags "${pname}" \
		&& for (( i=0 ; $i < $ndsc ; i++ )) ; do einfo ">    ${dsc[$i]}" ; done
}

# * char mysql_strip_double_slash()
#
# initialize global variables
# 2005-11-19 <vivo at gentoo.org>
mysql_strip_double_slash() {
	local path="${1}"
	local newpath="${path/\/\///}"
	while [[ ${path} != ${newpath} ]]; do
		path=${newpath}
		newpath="${path/\/\///}"
	done
	echo "${newpath}"
}

# 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"
	[[ ${want_s} -le ${have_s} ]] && return 0 || return 1
}

# another one inherited from versionator.eclass (version_sort)
mysql_make_file_list() {
	local items= left=0
	items=( ${1}-[[:digit:]][[:digit:]][[:digit:]] )
	[[ "${items}" == "${1}-[[:digit:]][[:digit:]][[:digit:]]" ]] && items=( )

	while [[ ${left} -lt ${#items[@]} ]] ; do
		local lowest_idx=${left}
		local idx=$(( ${lowest_idx} + 1 ))
		while [[ ${idx} -lt ${#items[@]} ]] ; do
			[[ "${items[${lowest_idx}]}" > "${items[${idx}]}" ]] \
				&& lowest_idx=${idx}
			idx=$(( ${idx} + 1 ))
		done
		local tmp=${items[${lowest_idx}]}
		items[${lowest_idx}]=${items[${left}]}
		items[${left}]=${tmp}
		left=$(( ${left} + 1 ))
	done
	echo ${items[@]}
}

mysql_choose_better_version() {
	local items= better="" i
	items="$( ls ${1}-[[:digit:]][[:digit:]][[:digit:]] )"
	for i in ${items} ; do
		if [[ "${i}" > "${better}" ]] ; then
			better="${i}"
		fi
	done
	echo "${better}"
}


# void mysql_lib_symlinks()
#
# To be called on the live filesystem, reassign symlinks to each mysql
# library to the best version avaiable
# 2005-12-30 <vivo at gentoo.org>
mysql_lib_symlinks() {
	local d dirlist maxdots soname sonameln other better
	pushd "${ROOT}/usr/$(get_libdir)/" &> /dev/null
		# dirlist must contain the less significative directory left
		dirlist="mysql $( mysql_make_file_list 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") ; do
				# maxdot is a limit versus infinite loop
				maxdots=0
				sonameln=${soname##*/}
				# loop in version of the library to link it, similar to the
				# libtool work
				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

	# "include"s and "mysql_config", needed to compile other sw
	for other in "/usr/include/mysql" "/usr/bin/mysql_config" ; do
		pushd "${ROOT}${other%/*}" &> /dev/null
		if ! [[ -d "${other##*/}" ]] ; then
			better=$( mysql_choose_better_version "${other##*/}" )
			[[ -L "${other##*/}" ]] && rm -f "${other##*/}"
			! [[ -f "${other##*/}" ]] && ln -sf "${better}" "${other##*/}"
		fi
		popd &> /dev/null
	done
}