lib/mage/env-rebuild.sh

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

# sets root path
P="${MROOT}"

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