Adding classes for mysql

1 files changed, 195 insertions, 0 deletions

diff --git a/eclass/mysql_fx.eclass b/eclass/mysql_fx.eclass
new file mode 100644
index 000000000000..22f184e0e543
--- /dev/null
+++ b/eclass/mysql_fx.eclass
@@ -0,0 +1,195 @@
+# 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 1.1 2006/01/01 18:45:38 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
+}
+
+
+# void mysql_init_vars()
+#
+# initialize global variables
+# 2005-11-19 <vivo at gentoo.org>
+mysql_init_vars() {
+
+	if [[ ${SLOT} -eq 0 ]] ; then
+		MY_SUFFIX=""
+	else
+		MY_SUFFIX=${MY_SUFFIX:-"-${SLOT}"}
+	fi	
+	MY_SHAREDSTATEDIR=${MY_SHAREDSTATEDIR:-"/usr/share/mysql${MY_SUFFIX}"}
+	MY_SYSCONFDIR=${MY_SYSCONFDIR="/etc/mysql${MY_SUFFIX}"}
+	MY_LIBDIR=${MY_LIBDIR="/usr/$(get_libdir)/mysql${MY_SUFFIX}"}
+	MY_LOCALSTATEDIR=${MY_LOCALSTATEDIR="/var/lib/mysql${MY_SUFFIX}"}
+	MY_LOGDIR=${MY_LOGDIR="/var/log/mysql${MY_SUFFIX}"}
+	MY_INCLUDEDIR=${MY_INCLUDEDIR="/usr/include/mysql${MY_SUFFIX}"}
+
+	if [ -z "${DATADIR}" ]; then
+		DATADIR=""
+		if [ -f "${SYSCONFDIR}/my.cnf" ] ; then
+			DATADIR=`"my_print_defaults${MY_SUFFIX}" mysqld 2>/dev/null | sed -ne '/datadir/s|^--datadir=||p' | tail -n1`
+			if [ -z "${DATADIR}" ]; then
+				DATADIR=`grep ^datadir "${SYSCONFDIR}/my.cnf" | sed -e 's/.*=\s*//'`
+			fi
+		fi
+		if [ -z "${DATADIR}" ]; then
+			DATADIR="${MY_LOCALSTATEDIR}"
+			einfo "Using default DATADIR"
+		fi
+		einfo "MySQL DATADIR is ${DATADIR}"
+
+		if [ -z "${PREVIOUS_DATADIR}" ] ; then
+			if [ -a "${DATADIR}" ] ; then
+				ewarn "Previous datadir found, it's YOUR job to change"
+				ewarn "ownership and have care of it"
+				PREVIOUS_DATADIR="yes"
+				export PREVIOUS_DATADIR
+			else
+				PREVIOUS_DATADIR="no"
+				export PREVIOUS_DATADIR
+			fi
+		fi
+	fi
+
+	export MY_SUFFIX MY_SHAREDSTATEDIR MY_SYSCONFDIR
+	export MY_LIBDIR MY_LOCALSTATEDIR MY_LOGDIR
+	export MY_INCLUDEDIR
+	export DATADIR
+}
+
+# void mysql_init_vars()
+#
+# initialize global variables
+# 2005-11-19 <vivo at gentoo.org>
+mysql_strip_double_slash() {
+	local path="${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 ${have_s} ]] && return 0 || return 1
+}
+
+# void mysql_lib_symlinks()
+#
+# To be called on the live filesystem, reassign symlinks to each mysql
+# library to the best version avaiable
+# 2005-12-30 <vivo at gentoo.org>
+mysql_lib_symlinks() {
+	local d dirlist maxdots soname sonameln
+	pushd "${ROOT}/usr/$(get_libdir)/"
+		# dirlist must contain the less significative directory left
+		dirlist="mysql $(ls -d mysql-[[:digit:]][[:digit:]][[:digit:]] | sort)"
+
+		# 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:(-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
+}