diff options
author | Adrian Dudau <adrian.dudau@enea.com> | 2013-12-12 13:38:32 +0100 |
---|---|---|
committer | Adrian Dudau <adrian.dudau@enea.com> | 2013-12-12 13:50:20 +0100 |
commit | e2e6f6fe07049f33cb6348780fa975162752e421 (patch) | |
tree | b1813295411235d1297a0ed642b1346b24fdfb12 /meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh | |
download | poky-e2e6f6fe07049f33cb6348780fa975162752e421.tar.gz |
initial commit of Enea Linux 3.1
Migrated from the internal git server on the dora-enea branch
Signed-off-by: Adrian Dudau <adrian.dudau@enea.com>
Diffstat (limited to 'meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh')
-rwxr-xr-x | meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh b/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh new file mode 100755 index 0000000000..6ffe1f2171 --- /dev/null +++ b/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh | |||
@@ -0,0 +1,220 @@ | |||
1 | #!/bin/sh | ||
2 | ### BEGIN INIT INFO | ||
3 | # Provides: volatile | ||
4 | # Required-Start: $local_fs | ||
5 | # Required-Stop: $local_fs | ||
6 | # Default-Start: S | ||
7 | # Default-Stop: | ||
8 | # Short-Description: Populate the volatile filesystem | ||
9 | ### END INIT INFO | ||
10 | |||
11 | # Get ROOT_DIR | ||
12 | DIRNAME=`dirname $0` | ||
13 | ROOT_DIR=`echo $DIRNAME | sed -ne 's:/etc/.*::p'` | ||
14 | |||
15 | [ -e ${ROOT_DIR}/etc/default/rcS ] && . ${ROOT_DIR}/etc/default/rcS | ||
16 | # When running populate-volatile.sh at rootfs time, disable cache. | ||
17 | [ -n "$ROOT_DIR" ] && VOLATILE_ENABLE_CACHE=no | ||
18 | # If rootfs is read-only, disable cache. | ||
19 | [ "$ROOTFS_READ_ONLY" = "yes" ] && VOLATILE_ENABLE_CACHE=no | ||
20 | |||
21 | CFGDIR="${ROOT_DIR}/etc/default/volatiles" | ||
22 | TMPROOT="${ROOT_DIR}/var/volatile/tmp" | ||
23 | COREDEF="00_core" | ||
24 | |||
25 | [ "${VERBOSE}" != "no" ] && echo "Populating volatile Filesystems." | ||
26 | |||
27 | create_file() { | ||
28 | EXEC=" | ||
29 | touch \"$1\"; | ||
30 | chown ${TUSER}.${TGROUP} $1 || echo \"Failed to set owner -${TUSER}- for -$1-.\" >/dev/tty0 2>&1; | ||
31 | chmod ${TMODE} $1 || echo \"Failed to set mode -${TMODE}- for -$1-.\" >/dev/tty0 2>&1 " | ||
32 | |||
33 | test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache.build | ||
34 | |||
35 | [ -e "$1" ] && { | ||
36 | [ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping." | ||
37 | } || { | ||
38 | if [ -z "$ROOT_DIR" ]; then | ||
39 | eval $EXEC & | ||
40 | else | ||
41 | # Creating some files at rootfs time may fail and should fail, | ||
42 | # but these failures should not be logged to make sure the do_rootfs | ||
43 | # process doesn't fail. This does no harm, as this script will | ||
44 | # run on target to set up the correct files and directories. | ||
45 | eval $EXEC > /dev/null 2>&1 | ||
46 | fi | ||
47 | } | ||
48 | } | ||
49 | |||
50 | mk_dir() { | ||
51 | EXEC=" | ||
52 | mkdir -p \"$1\"; | ||
53 | chown ${TUSER}.${TGROUP} $1 || echo \"Failed to set owner -${TUSER}- for -$1-.\" >/dev/tty0 2>&1; | ||
54 | chmod ${TMODE} $1 || echo \"Failed to set mode -${TMODE}- for -$1-.\" >/dev/tty0 2>&1 " | ||
55 | |||
56 | test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache.build | ||
57 | [ -e "$1" ] && { | ||
58 | [ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping." | ||
59 | } || { | ||
60 | if [ -z "$ROOT_DIR" ]; then | ||
61 | eval $EXEC | ||
62 | else | ||
63 | # For the same reason with create_file(), failures should | ||
64 | # not be logged. | ||
65 | eval $EXEC > /dev/null 2>&1 | ||
66 | fi | ||
67 | } | ||
68 | } | ||
69 | |||
70 | link_file() { | ||
71 | EXEC=" | ||
72 | if [ -L \"$2\" ]; then | ||
73 | [ \"\$(readlink -f \"$2\")\" != \"\$(readlink -f \"$1\")\" ] && { rm -f \"$2\"; ln -sf \"$1\" \"$2\"; }; | ||
74 | elif [ -d \"$2\" ]; then | ||
75 | cp -a $2/* $1 2>/dev/null; | ||
76 | cp -a $2/.[!.]* $1 2>/dev/null; | ||
77 | rm -rf \"$2\"; | ||
78 | ln -sf \"$1\" \"$2\"; | ||
79 | else | ||
80 | ln -sf \"$1\" \"$2\"; | ||
81 | fi | ||
82 | " | ||
83 | |||
84 | test "$VOLATILE_ENABLE_CACHE" = yes && echo " $EXEC" >> /etc/volatile.cache.build | ||
85 | |||
86 | if [ -z "$ROOT_DIR" ]; then | ||
87 | eval $EXEC & | ||
88 | else | ||
89 | # For the same reason with create_file(), failures should | ||
90 | # not be logged. | ||
91 | eval $EXEC > /dev/null 2>&1 | ||
92 | fi | ||
93 | } | ||
94 | |||
95 | check_requirements() { | ||
96 | cleanup() { | ||
97 | rm "${TMP_INTERMED}" | ||
98 | rm "${TMP_DEFINED}" | ||
99 | rm "${TMP_COMBINED}" | ||
100 | } | ||
101 | |||
102 | CFGFILE="$1" | ||
103 | [ `basename "${CFGFILE}"` = "${COREDEF}" ] && return 0 | ||
104 | |||
105 | TMP_INTERMED="${TMPROOT}/tmp.$$" | ||
106 | TMP_DEFINED="${TMPROOT}/tmpdefined.$$" | ||
107 | TMP_COMBINED="${TMPROOT}/tmpcombined.$$" | ||
108 | |||
109 | cat ${ROOT_DIR}/etc/passwd | sed 's@\(^:\)*:.*@\1@' | sort | uniq > "${TMP_DEFINED}" | ||
110 | cat ${CFGFILE} | grep -v "^#" | cut -s -d " " -f 2 > "${TMP_INTERMED}" | ||
111 | cat "${TMP_DEFINED}" "${TMP_INTERMED}" | sort | uniq > "${TMP_COMBINED}" | ||
112 | NR_DEFINED_USERS="`cat "${TMP_DEFINED}" | wc -l`" | ||
113 | NR_COMBINED_USERS="`cat "${TMP_COMBINED}" | wc -l`" | ||
114 | |||
115 | [ "${NR_DEFINED_USERS}" -ne "${NR_COMBINED_USERS}" ] && { | ||
116 | echo "Undefined users:" | ||
117 | diff "${TMP_DEFINED}" "${TMP_COMBINED}" | grep "^>" | ||
118 | cleanup | ||
119 | return 1 | ||
120 | } | ||
121 | |||
122 | |||
123 | cat ${ROOT_DIR}/etc/group | sed 's@\(^:\)*:.*@\1@' | sort | uniq > "${TMP_DEFINED}" | ||
124 | cat ${CFGFILE} | grep -v "^#" | cut -s -d " " -f 3 > "${TMP_INTERMED}" | ||
125 | cat "${TMP_DEFINED}" "${TMP_INTERMED}" | sort | uniq > "${TMP_COMBINED}" | ||
126 | |||
127 | NR_DEFINED_GROUPS="`cat "${TMP_DEFINED}" | wc -l`" | ||
128 | NR_COMBINED_GROUPS="`cat "${TMP_COMBINED}" | wc -l`" | ||
129 | |||
130 | [ "${NR_DEFINED_GROUPS}" -ne "${NR_COMBINED_GROUPS}" ] && { | ||
131 | echo "Undefined groups:" | ||
132 | diff "${TMP_DEFINED}" "${TMP_COMBINED}" | grep "^>" | ||
133 | cleanup | ||
134 | return 1 | ||
135 | } | ||
136 | |||
137 | # Add checks for required directories here | ||
138 | |||
139 | cleanup | ||
140 | return 0 | ||
141 | } | ||
142 | |||
143 | apply_cfgfile() { | ||
144 | CFGFILE="$1" | ||
145 | |||
146 | check_requirements "${CFGFILE}" || { | ||
147 | echo "Skipping ${CFGFILE}" | ||
148 | return 1 | ||
149 | } | ||
150 | |||
151 | cat ${CFGFILE} | grep -v "^#" | \ | ||
152 | while read LINE; do | ||
153 | eval `echo "$LINE" | sed -n "s/\(.*\)\ \(.*\) \(.*\)\ \(.*\)\ \(.*\)\ \(.*\)/TTYPE=\1 ; TUSER=\2; TGROUP=\3; TMODE=\4; TNAME=\5 TLTARGET=\6/p"` | ||
154 | TNAME=${ROOT_DIR}${TNAME} | ||
155 | [ "${VERBOSE}" != "no" ] && echo "Checking for -${TNAME}-." | ||
156 | |||
157 | [ "${TTYPE}" = "l" ] && { | ||
158 | TSOURCE="$TLTARGET" | ||
159 | [ "${VERBOSE}" != "no" ] && echo "Creating link -${TNAME}- pointing to -${TSOURCE}-." | ||
160 | link_file "${TSOURCE}" "${TNAME}" | ||
161 | continue | ||
162 | } | ||
163 | |||
164 | [ -L "${TNAME}" ] && { | ||
165 | [ "${VERBOSE}" != "no" ] && echo "Found link." | ||
166 | NEWNAME=`ls -l "${TNAME}" | sed -e 's/^.*-> \(.*\)$/\1/'` | ||
167 | echo ${NEWNAME} | grep -v "^/" >/dev/null && { | ||
168 | TNAME="`echo ${TNAME} | sed -e 's@\(.*\)/.*@\1@'`/${NEWNAME}" | ||
169 | [ "${VERBOSE}" != "no" ] && echo "Converted relative linktarget to absolute path -${TNAME}-." | ||
170 | } || { | ||
171 | TNAME="${NEWNAME}" | ||
172 | [ "${VERBOSE}" != "no" ] && echo "Using absolute link target -${TNAME}-." | ||
173 | } | ||
174 | } | ||
175 | |||
176 | case "${TTYPE}" in | ||
177 | "f") [ "${VERBOSE}" != "no" ] && echo "Creating file -${TNAME}-." | ||
178 | create_file "${TNAME}" & | ||
179 | ;; | ||
180 | "d") [ "${VERBOSE}" != "no" ] && echo "Creating directory -${TNAME}-." | ||
181 | mk_dir "${TNAME}" | ||
182 | # Add check to see if there's an entry in fstab to mount. | ||
183 | ;; | ||
184 | *) [ "${VERBOSE}" != "no" ] && echo "Invalid type -${TTYPE}-." | ||
185 | continue | ||
186 | ;; | ||
187 | esac | ||
188 | done | ||
189 | return 0 | ||
190 | } | ||
191 | |||
192 | clearcache=0 | ||
193 | exec 9</proc/cmdline | ||
194 | while read line <&9 | ||
195 | do | ||
196 | case "$line" in | ||
197 | *clearcache*) clearcache=1 | ||
198 | ;; | ||
199 | *) continue | ||
200 | ;; | ||
201 | esac | ||
202 | done | ||
203 | exec 9>&- | ||
204 | |||
205 | if test -e ${ROOT_DIR}/etc/volatile.cache -a "$VOLATILE_ENABLE_CACHE" = "yes" -a "x$1" != "xupdate" -a "x$clearcache" = "x0" | ||
206 | then | ||
207 | sh ${ROOT_DIR}/etc/volatile.cache | ||
208 | else | ||
209 | rm -f ${ROOT_DIR}/etc/volatile.cache ${ROOT_DIR}/etc/volatile.cache.build | ||
210 | for file in `ls -1 "${CFGDIR}" | sort`; do | ||
211 | apply_cfgfile "${CFGDIR}/${file}" | ||
212 | done | ||
213 | |||
214 | [ -e ${ROOT_DIR}/etc/volatile.cache.build ] && sync && mv ${ROOT_DIR}/etc/volatile.cache.build ${ROOT_DIR}/etc/volatile.cache | ||
215 | fi | ||
216 | |||
217 | if [ -z "${ROOT_DIR}" ] && [ -f /etc/ld.so.cache ] && [ ! -f /var/run/ld.so.cache ] | ||
218 | then | ||
219 | ln -s /etc/ld.so.cache /var/run/ld.so.cache | ||
220 | fi | ||