lib/mage/env-rebuild.sh

#!/bin/bash
# $Id$
#
# rebuilds /etc/{ld.so.conf,profile.env} with given files from /etc/env.d
#

##
# exp. /etc/env.d/kde
#
#	PATH="/opt/kde/bin"
#	ROOTPATH="/opt/kde/bin"
#	LDPATH="/opt/kde/lib"
#
##

# sets root path
P="${MROOT}"
SPECIALVARS="KDEDIRS PATH CLASSPATH LDPATH MANPATH INFODIR INFOPATH ROOTPATH CONFIG_PROTECT CONFIG_PROTECT_MASK CONFIG_PROTECT_IGNORE PRELINK_PATH PRELINK_PATH_MASK OMF_DIR LIBGL_DRIVERS_PATH XDG_CONFIG_DIRS XDG_DATA_DIRS"

# secure tmp dir
if [ -x /bin/mktemp ]
then
	TMPDIR="$(/bin/mktemp -d -p /var/tmp)"
else
	TMPDIR="/var/tmp/tmp.$$"
	install -d ${TMPDIR}
fi

echo -en "\n>>>> Rebuilding environment... "

# clean existing conf files
:> ${P}/etc/ld.so.conf
:> ${P}/etc/profile.env

# gets everything in /etc/env.d
for file in ${P}/etc/env.d/*
do
	# abort if "empty"
	[[ ${file} = ${P}/etc/env.d/\* ]] && continue

	# reads content of every file
	while read path
	do
		# ignore if empty or a comment
		case "${path}" in
			\#*|"") continue ;;
		esac

		# writes LDPATH to ${P}/etc/ld.so.conf,
		# anything else to ${P}/etc/profile.env
		if [[ ${path%%=*} = LDPATH ]]
		then
			#substitudes " from $path if exists
			path="${path//\"}"	#}" <--- make code readable again :)
			echo "${path##*=}" >> ${P}/etc/ld.so.conf
		else
			# checks if var exists in specialvars
			for i in ${SPECIALVARS}
			do
				[[ ${path%%=*} = ${i} ]] && SPECVAR="yes"
			done

			if [[ ${SPECVAR} = yes ]]
			then
				case ${path%%=*} in
					CONFIG_PROTECT*|XDG*)
						# CONFIG_PROTECT*|XDG* have as delimiter  not ':'  but ' '
						path="${path//\"}"	#}" <--- make code readable again :)
						echo -n "${path##*=} " >> ${TMPDIR}/${path%%=*}
						unset SPECVAR
						;;
					*)
						# special var are written to tmpfile
						# to substitude them to one variable
						# substitudes " from $path if exists
						path="${path//\"}"	#}" <--- make code readable again :)
						echo -n "${path##*=}:" >> ${TMPDIR}/${path%%=*}
						unset SPECVAR
						;;
				esac
			else
				# all other vars go directly to /etc/profile.env
				echo "export ${path}" >> ${P}/etc/profile.env
			fi
		fi
	done << EOF
$(cat ${file})
EOF

done

# reads special vars tmp files and writes them to /etc/profile.env
for i in ${SPECIALVARS}
do
	if [ -f ${TMPDIR}/${i} ]
	then
		# only OMF_DIR goes to /etc/scrollkeeper.conf
		if [[ ${i} = OMF_DIR ]]
		then
			echo "${i}=$(cat ${TMPDIR}/${i})" > ${P}/etc/scrollkeeper.conf
		else
			echo "export ${i}=\"$(cat ${TMPDIR}/${i})\"" >> ${P}/etc/profile.env
		fi
		rm ${TMPDIR}/${i}
	fi
done

# rebuilds environment
ldconfig -r "${P}" -f /etc/ld.so.conf -C /etc/ld.so.cache
[ -f ${P}/etc/profile ] && source ${P}/etc/profile

# cleanups
[ -d ${TMPDIR} ] && rm -rf ${TMPDIR}

echo -e "done.\n"
1	#!/bin/bash
2	# $Id$
3	#
4	# rebuilds /etc/{ld.so.conf,profile.env} with given files from /etc/env.d
5	#
6
7	##
8	# exp. /etc/env.d/kde
9	#
10	# PATH="/opt/kde/bin"
11	# ROOTPATH="/opt/kde/bin"
12	# LDPATH="/opt/kde/lib"
13	#
14	##
15
16	# sets root path
17	P="${MROOT}"
18	SPECIALVARS="KDEDIRS PATH CLASSPATH LDPATH MANPATH INFODIR INFOPATH ROOTPATH CONFIG_PROTECT CONFIG_PROTECT_MASK CONFIG_PROTECT_IGNORE PRELINK_PATH PRELINK_PATH_MASK OMF_DIR LIBGL_DRIVERS_PATH XDG_CONFIG_DIRS XDG_DATA_DIRS"
19
20	# secure tmp dir
21	if [ -x /bin/mktemp ]
22	then
23	TMPDIR="$(/bin/mktemp -d -p /var/tmp)"
24	else
25	TMPDIR="/var/tmp/tmp.$$"
26	install -d ${TMPDIR}
27	fi
28
29	echo -en "\n>>>> Rebuilding environment... "
30
31	# clean existing conf files
32	:> ${P}/etc/ld.so.conf
33	:> ${P}/etc/profile.env
34
35	# gets everything in /etc/env.d
36	for file in ${P}/etc/env.d/*
37	do
38	# abort if "empty"
39	[[ ${file} = ${P}/etc/env.d/\* ]] && continue
40
41	# reads content of every file
42	while read path
43	do
44	# ignore if empty or a comment
45	case "${path}" in
46	\#*\|"") continue ;;
47	esac
48
49	# writes LDPATH to ${P}/etc/ld.so.conf,
50	# anything else to ${P}/etc/profile.env
51	if [[ ${path%%=*} = LDPATH ]]
52	then
53	#substitudes " from $path if exists
54	path="${path//\"}" #}" <--- make code readable again :)
55	echo "${path##*=}" >> ${P}/etc/ld.so.conf
56	else
57	# checks if var exists in specialvars
58	for i in ${SPECIALVARS}
59	do
60	[[ ${path%%=*} = ${i} ]] && SPECVAR="yes"
61	done
62
63	if [[ ${SPECVAR} = yes ]]
64	then
65	case ${path%%=*} in
66	CONFIG_PROTECT\|XDG)
67	# CONFIG_PROTECT\|XDG have as delimiter not ':' but ' '
68	path="${path//\"}" #}" <--- make code readable again :)
69	echo -n "${path##=} " >> ${TMPDIR}/${path%%=}
70	unset SPECVAR
71	;;
72	*)
73	# special var are written to tmpfile
74	# to substitude them to one variable
75	# substitudes " from $path if exists
76	path="${path//\"}" #}" <--- make code readable again :)
77	echo -n "${path##=}:" >> ${TMPDIR}/${path%%=}
78	unset SPECVAR
79	;;
80	esac
81	else
82	# all other vars go directly to /etc/profile.env
83	echo "export ${path}" >> ${P}/etc/profile.env
84	fi
85	fi
86	done << EOF
87	$(cat ${file})
88	EOF
89
90	done
91
92	# reads special vars tmp files and writes them to /etc/profile.env
93	for i in ${SPECIALVARS}
94	do
95	if [ -f ${TMPDIR}/${i} ]
96	then
97	# only OMF_DIR goes to /etc/scrollkeeper.conf
98	if [[ ${i} = OMF_DIR ]]
99	then
100	echo "${i}=$(cat ${TMPDIR}/${i})" > ${P}/etc/scrollkeeper.conf
101	else
102	echo "export ${i}=\"$(cat ${TMPDIR}/${i})\"" >> ${P}/etc/profile.env
103	fi
104	rm ${TMPDIR}/${i}
105	fi
106	done
107
108	# rebuilds environment
109	ldconfig -r "${P}" -f /etc/ld.so.conf -C /etc/ld.so.cache
110	[ -f ${P}/etc/profile ] && source ${P}/etc/profile
111
112	# cleanups
113	[ -d ${TMPDIR} ] && rm -rf ${TMPDIR}
114
115	echo -e "done.\n"