lib/mage/env-rebuild.sh

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

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
:> ${MROOT}/etc/ld.so.conf
:> ${MROOT}/etc/profile.env

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

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

		variable="${line%%=*}"
		# substitudes " from $line if exists
		path="${line//\"}"	#}" <--- make code readable again :)
		value="${line##*=}"

		# writes LDPATH to ${MROOT}/etc/ld.so.conf,
		# anything else to ${MROOT}/etc/profile.env
		if [[ ${variable} = LDPATH ]]
		then
			echo "${value}" >> ${MROOT}/etc/ld.so.conf
		else
			# checks if var exists in specialvars
			for i in ${SPECIALVARS}
			do
				[[ ${variable} = ${i} ]] && SPECVAR="yes"
			done

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

done

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

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