openpkg/rc.func@e33c1efbd60f
openpkg/rc.func
Sun, 29 May 2011 16:29:06 +0200
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sun, 29 May 2011 16:29:06 +0200
- changeset 344
- e33c1efbd60f
- child 427
- 71503088f51b
- permissions
- -rw-r--r--
Update, correct, improve build configuration and packaging logic.
Update to new version of vendor software, bump copyright date, remove implicit
gcc dependency, add comments for Trolltech bug tracking, correct enforced
dynamic library linkage, and install mysterious process stub binary.
1 ##
2 ## @l_prefix@/etc/rc.func -- Run-Command Helper Functions
3 ## Copyright (c) 2000-2007 OpenPKG Foundation e.V. <http://openpkg.net/>
4 ## Copyright (c) 2000-2007 Ralf S. Engelschall <http://engelschall.com/>
5 ##
6 ## Permission to use, copy, modify, and distribute this software for
7 ## any purpose with or without fee is hereby granted, provided that
8 ## the above copyright notice and this permission notice appear in all
9 ## copies.
10 ##
11 ## THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
12 ## WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
13 ## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
14 ## IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
15 ## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
16 ## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
17 ## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
18 ## USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
19 ## ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
20 ## OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
21 ## OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
22 ## SUCH DAMAGE.
23 ##
25 ##
26 ## NOTICE: This script is a collection of reusable shell functions
27 ## running under GNU Bash during the execution of OpenPKG run-command
28 ## sections.
29 ##
31 #
32 # rcMsg (display message)
33 #
34 # Usage: rcMsg [-e] [-w] <message>
35 # Example: rcMsg -e "invalid command line"
36 # Description: display a regular/warning/error message.
37 #
38 rcMsg () {
39 local prefix="rc:"
40 while [ $# -gt 0 ]; do
41 case $1 in
42 -e ) prefix="${prefix}ERROR:"; shift ;;
43 -w ) prefix="${prefix}WARNING:"; shift ;;
44 * ) break ;;
45 esac
46 done
47 echo "${prefix} $*"
48 return 0
49 }
51 #
52 # rcPath (manipulate colon-separated PATH-style variable)
53 #
54 # Usage: rcPath [-a] [-r] [-p] [-e] <var> <dir> [<dir> ...]
55 # Example: rcPath -a -e PATH /bin /sbin /usr/bin /usr/sbin /usr/ccs/bin
56 # Description: removes (-r) or adds (-a) by appending or prepending
57 # (-p) one or more directories <dir> (optionally have
58 # to be existing if -e is given) to a colon-separated
59 # PATH-style variable <var>. In case a directory already
60 # exists, it is first removed.
61 #
62 rcPath () {
63 local mode=""
64 local prepend=0
65 local exists=0
66 while [ $# -gt 0 ]; do
67 case $1 in
68 -a ) mode="add"; shift ;;
69 -r ) mode="remove"; shift ;;
70 -p ) prepend=1; shift ;;
71 -e ) exists=1; shift ;;
72 * ) break ;;
73 esac
74 done
75 local var="$1"
76 shift
77 if [ ".${mode}" = .add ]; then
78 local edit_del=""
79 local edit_add=""
80 local dir
81 for dir in "$@"; do
82 if [ ".${exists}" = .1 ] && [ ! -d "${dir}" ]; then
83 continue
84 fi
85 edit_del="${edit_del} -e 's;^${dir}\$;;' -e 's;^${dir}:;;'"
86 edit_del="${edit_del} -e 's;:${dir}:;:;' -e 's;:${dir}\$;;'"
87 if [ ".${prepend}" = .0 ]; then
88 edit_add="${edit_add} -e 's;\$;:${dir};'"
89 else
90 edit_add="-e 's;^;${dir}:;' ${edit_add}"
91 fi
92 done
93 if [ ".${edit_del}${edit_add}" != . ]; then
94 eval "${var}=\`echo \"\$${var}\" | sed ${edit_del} ${edit_add}\`"
95 fi
96 return 0
97 elif [ ".${mode}" = .remove ]; then
98 local edit=""
99 local dir
100 for dir in "$@"; do
101 edit="${edit} -e 's;^${dir}\$;;' -e 's;^${dir}:;;'"
102 edit="${edit} -e 's;:${dir}:;:;' -e 's;:${dir}\$;;'"
103 done
104 eval "${var}=\`echo \"\$${var}\" | sed ${edit}\`"
105 return 0
106 else
107 rcMsg -e "rcPath: neither add (-a) nor remove (-r) operation specified"
108 return 1
109 fi
110 }
112 #
113 # rcTmp (temporary file handling)
114 #
115 # Usage: rcTmp [-i] [-f [-n <name>]] [-k]
116 # Example: rcTmp -i; tmpfile=`rcTmp -f -n tmp`; ...; rcTmp -k
117 # Description: ???
118 #
119 rcTmp () {
120 local mode=""
121 local name=""
122 while [ $# -gt 0 ]; do
123 case $1 in
124 -i ) mode="init"; shift ;;
125 -f ) mode="file"; shift ;;
126 -k ) mode="kill"; shift ;;
127 -n ) name="$2"; shift; shift ;;
128 * ) break ;;
129 esac
130 done
131 if [ ".${mode}" = .init ]; then
132 if [ ".${RC_TMPDIR}" = . ]; then
133 local i=0
134 while [ ${i} -lt 10 ]; do
135 RC_TMPDIR="@l_prefix@/RPM/TMP/rc-`date '+%Y%m%d%H%M%S'`-$$"
136 (umask 022; mkdir ${RC_TMPDIR} >/dev/null 2>&1) && break
137 i=$((${i} + 1))
138 sleep 1
139 done
140 if [ ${i} -eq 10 ]; then
141 rcMsg -e "rcTmp: unable to establish secure temporary directory" 1>&2
142 return 1
143 fi
144 declare -r RC_TMPDIR
145 fi
146 return 0
147 elif [ ".${mode}" = .file ]; then
148 echo "${RC_TMPDIR}/${name:-tmp}"
149 return 0
150 elif [ ".${mode}" = .kill ]; then
151 if [ ".${RC_TMPDIR}" = . ]; then
152 rcMsg -e "rcTmp: no secure temporary directory known"
153 return 1
154 else
155 rm -rf ${RC_TMPDIR}
156 return 0
157 fi
158 else
159 rcMsg -e "rcTmp: neither init (-i), file (-f) nor kill (-k) operation specified"
160 return 1
161 fi
162 }
164 #
165 # rcService (check for service status enable/active/usable)
166 #
167 # Usage: rcService <pkg> <service> <val>
168 # Example: if rcService openssh enable yes; then ...
169 # Description: check <service> of package <pkg> against value <val>.
170 # <service> has to be one of "enable", "active" or "usable".
171 # <val> has to be either "no", "yes", or "unknown".
172 #
173 rcService () {
174 local pkg="`echo ${1} | sed -e 's;-;_;g'`"
175 local var="${pkg}_${2}"
176 local chk="${3}"
177 eval "local val=\$${var}"
178 if [ ".${val}" = . ]; then
179 eval `@l_prefix@/bin/openpkg rc 2>/dev/null --silent ${1} status || true`
180 eval "local val=\$${var}"
181 fi
182 if [ ".${val}" = ".${chk}" ]; then
183 return 0
184 else
185 return 1
186 fi
187 }
189 #
190 # rcVarIsYes (check variable for positive value)
191 #
192 # Usage: rcVarIsYes <var>
193 # Example: if rcVarIsYes foo; then ...
194 # Description: check whether a variable <var> contains a positive
195 # value, i.e., the values "yes", "true", "on" or "1" in
196 # arbitrary lower or upper case.
197 #
198 rcVarIsYes () {
199 local var="${1}"
200 eval "local val=\"\$${var}\""
201 case "${val}" in
202 [Yy][Ee][Ss] | [Tt][Rr][Uu][Ee] | [Oo][Nn] | 1 )
203 return 0
204 ;;
205 * )
206 return 1
207 ;;
208 esac
209 }
