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Contents of /trunk/mage/usr/lib/mage/depwalker.sh

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Revision 2269 - (show annotations) (download) (as text)
Fri Oct 25 06:55:11 2013 UTC (10 years, 6 months ago) by niro
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-fixed usage
1 #!/bin/bash
2 # $Id$
3 # dependeny walker
4
5 # default die function
6 die()
7 {
8 echo ${COLRED}"$@"${COLDEFAULT}
9 exit 1
10 }
11
12 # include all needed files
13 [ -f /etc/mage.rc.global ] && \
14 source /etc/mage.rc.global || \
15 die "/etc/mage.rc.global missing"
16
17 [ -f ${MAGERC} ] && source ${MAGERC} || \
18 die "Your ${MAGERC} is missing. Aborting."
19
20 [ -f ${MLIBDIR}/mage4.functions.sh ] && \
21 source ${MLIBDIR}/mage4.functions.sh || \
22 die "mage functions missing"
23
24 usage()
25 {
26 echo
27 echo "Usage: $(basename $0) [command] [arg] ..."
28 echo
29 echo " -h --help shows this help"
30 echo " -c --pcat categorie of the package"
31 echo " -n --pname name of the package"
32 echo " -v --pver version number of the package"
33 echo " -b --pbuild build number of the package"
34 echo " -m --method which calc method should be used:"
35 echo " install, srcinstall, depend, srcdepend"
36 echo " upgrade, srcupgrade,"
37 echo " install-build-prerequisites, pretend-build-prerequisites"
38 echo " -d --debug enable debug mode"
39 echo
40 echo "method, name, version and build must be given !"
41 echo
42 exit 1
43 }
44
45 # always default debug=0
46 DEBUG=0
47
48 # very basic getops
49 for i in $*
50 do
51 case $1 in
52 --pcat|-c) shift; PCAT="$1" ;;
53 --pname|-n) shift; PNAME="$1" ;;
54 --pver|-v) shift; PVER="$1" ;;
55 --pbuild|-b) shift; PBUILD="$1" ;;
56 --method|-m) shift; METHOD="$1" ;;
57 --debug|-d) shift; DEBUG=1 ;;
58 --help|-h) usage ;;
59 esac
60 shift
61 done
62
63 # sanity checks; abort if not given
64 [ -z "${PCAT}" ] && usage
65 [ -z "${PNAME}" ] && usage
66 [ -z "${PVER}" ] && usage
67 [ -z "${PBUILD}" ] && usage
68 [ -z "${METHOD}" ] && usage
69
70 # check needed global vars
71 [ -z "${MAGEDIR}" ] && die "\$MAGEDIR not set."
72 [ -z "${INSTALLDB}" ] && die "\$INSTALLDB not set."
73 [ -z "${BUILDDIR}" ] && die "\$BUILDDIR not set."
74
75 # other needed vars
76 ALLDEPS=""
77 MAGEFILE="${MAGEDIR}/${PCAT}/${PNAME}/${PNAME}-${PVER}-${PBUILD}.mage"
78
79 # much faster than fgrep
80 checklist_alldeps()
81 {
82 local i
83 local item="$1"
84
85 for i in ${ALLDEPS}
86 do
87 [[ ${i} = ${item} ]] && return 1
88 done
89
90 return 0
91 }
92
93 checklist_processeddeps()
94 {
95 local i
96 local item="$1"
97
98 for i in ${PROCESSEDDEPS}
99 do
100 [[ ${i} = ${item} ]] && return 1
101 done
102
103 return 0
104 }
105
106 #####################
107 ## depwalking /path/to/mage/file/.mage
108 depwalking()
109 {
110 unset DEPEND
111 unset SDEPEND
112 unset MY_DEPEND
113
114 local DFILE
115 local SYM
116 local DEPNAME
117 local HIGHEST_DEPFILE
118 local MY_DEPEND
119 local REAL_PGKNAME
120 local VIRTUAL_NAME
121 local INSTALL_VIRTUAL
122 local PNAME
123 local PCAT
124 local PVER
125 local PBUILD
126
127 DFILE="$1"
128
129 source ${DFILE}
130
131 # forced nodeps
132 if [[ ${NODEPS} = true ]]
133 then
134 DEPEND=""
135 SDEPEND=""
136 fi
137
138 MY_DEPEND="${DEPEND}"
139
140 # for srcinstall & srcdepend only; SDEPEND also needed
141 if [[ ${METHOD} = srcinstall ]] || \
142 [[ ${METHOD} = srcpretend ]] || \
143 [[ ${METHOD} = srcupgrade ]] || \
144 [[ ${METHOD} = srcuppretend ]]
145 then
146 # only if SDEPEND is not zero
147 if [ -n "${SDEPEND}" ]
148 then
149 # crlf is substantly needed !!
150 if [ -n "${MY_DEPEND}" ]
151 then
152 MY_DEPEND="${MY_DEPEND}
153 ${SDEPEND}"
154 else
155 MY_DEPEND="${SDEPEND}"
156 fi
157 fi
158 fi
159
160 if [[ ${METHOD} = install-build-prerequisites ]] || \
161 [[ ${METHOD} = pretend-build-prerequisites ]]
162 then
163 # only one time
164 if [[ ${LOOP_COUNTER} -lt 1 ]]
165 then
166 # only if SDEPEND is not zero
167 if [ -n "${SDEPEND}" ]
168 then
169 # crlf is substantly needed !!
170 if [ -n "${MY_DEPEND}" ]
171 then
172 MY_DEPEND="${MY_DEPEND}
173 ${SDEPEND}"
174 else
175 MY_DEPEND="${SDEPEND}"
176 fi
177 fi
178 fi
179 LOOP_COUNTER=${LOOP_COUNTER}+1
180 fi
181
182 unset DEPEND
183 unset SDEPEND
184
185 if [ -z "${MY_DEPEND}" ]
186 then
187 return 1
188 fi
189
190 while read SYM DEPNAME
191 do
192 if [[ ${DEBUG} = 1 ]]
193 then
194 echo "DEBUG: DEPNAME='${DEPNAME}'" >&2
195 fi
196
197 # exclude empty depnames
198 [[ -z ${DEPNAME} ]] && continue
199
200 # exclude all already processed deps -without version
201 if ! checklist_processeddeps "${DEPNAME%-*}"
202 then
203 continue
204 fi
205
206 # mark depfile as processed to prevent double runs -without version
207 # but do not add any virtuals to PROCESSEDDEPS or their resolved
208 # pkgnames will be ignored and they are missing on the dependecy-list
209 if [[ ${DEPNAME/virtual\//} = ${DEPNAME} ]]
210 then
211 PROCESSEDDEPS="${PROCESSEDDEPS} ${DEPNAME%-*}"
212 fi
213
214 HIGHEST_DEPFILE=$(dep2highest_magefile "${DEPNAME}")
215 if [[ -z ${HIGHEST_DEPFILE} ]]
216 then
217 INVALID_DEPS+=" ${DEPNAME}:${DFILE}"
218 continue
219 fi
220
221 PCAT="$(magename2pcat ${HIGHEST_DEPFILE})"
222 PNAME="$(magename2pname ${HIGHEST_DEPFILE})"
223 PVER="$(magename2pver ${HIGHEST_DEPFILE})"
224 PBUILD="$(magename2pbuild ${HIGHEST_DEPFILE})"
225
226 ## dep already in ALLDEPS? then going on
227
228 # usage of fgrep is extremly slow and consumes a lot of cpu power
229 #if [ -z "$(echo ${ALLDEPS} | fgrep "${HIGHEST_DEPFILE}")" ]
230 if checklist_alldeps "${HIGHEST_DEPFILE}"
231 then
232 ### check if the dependency is already installed ###
233 if [ ! -d ${MROOT}${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
234 then
235 depwalking ${HIGHEST_DEPFILE}
236 ALLDEPS="${ALLDEPS} ${HIGHEST_DEPFILE}"
237 fi
238 fi
239 done << EOF
240 ${MY_DEPEND}
241 EOF
242 return 0
243 }
244
245 [[ ${METHOD} = pretend ]] || \
246 [[ ${METHOD} = srcpretend ]] || \
247 [[ ${METHOD} = uppretend ]] || \
248 [[ ${METHOD} = srcuppretend ]] || \
249 [[ ${METHOD} = pretend-build-prerequisites ]] && \
250 echo -n "Calculating dependencies ... "
251
252
253 if [[ ${METHOD} = upgrade ]] || \
254 [[ ${METHOD} = srcupgrade ]] || \
255 [[ ${METHOD} = uppretend ]] || \
256 [[ ${METHOD} = srcuppretend ]]
257 then
258 INSTDEPS="$(${MLIBDIR}/magequery.sh -i)"
259 for dep in ${INSTDEPS}
260 do
261 PCAT="$(magename2pcat ${dep} installdb)"
262 PNAME="$(magename2pname ${dep})"
263
264 # get the highest mage file from mage-db
265 MAGEFILE="$(get_highest_magefile ${PCAT} ${PNAME})"
266
267 # if no install candidate was found, record this
268 # and process with the next one
269 if [[ -z ${MAGEFILE} ]]
270 then
271 NO_UPGRADE_CANDIDATE="${NO_UPGRADE_CANDIDATE} ${PCAT}/${PNAME}"
272 continue
273 fi
274
275 # now get the pver&pbuild from the new file
276 PVER="$(magename2pver ${MAGEFILE})"
277 PBUILD="$(magename2pbuild ${MAGEFILE})"
278
279 # do not walk files which are installed
280 if [ ! -d ${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
281 then
282 # get dependencies the package
283 depwalking ${MAGEFILE}
284 fi
285 done
286 else
287 LOOP_COUNTER=0
288 # get all dependencies of the package
289 depwalking ${MAGEFILE}
290 fi
291
292 if [[ ${METHOD} != install-build-prerequisites ]] &&
293 [[ ${METHOD} != pretend-build-prerequisites ]]
294 then
295 # now add the package itself to the dependencies
296 # (if not exists already)
297 if checklist_alldeps "${MAGEFILE}"
298 then
299 ALLDEPS="${ALLDEPS} ${MAGEFILE}"
300 fi
301 fi
302
303 [[ ${METHOD} = pretend ]] || \
304 [[ ${METHOD} = srcpretend ]] || \
305 [[ ${METHOD} = uppretend ]] || \
306 [[ ${METHOD} = srcuppretend ]] || \
307 [[ ${METHOD} = pretend-build-prerequisites ]] && \
308 echo "done"
309
310
311 ## show output of pretend
312 if [[ ${METHOD} = pretend ]] || \
313 [[ ${METHOD} = srcpretend ]] || \
314 [[ ${METHOD} = uppretend ]] || \
315 [[ ${METHOD} = srcuppretend ]] || \
316 [[ ${METHOD} = pretend-build-prerequisites ]]
317 then
318 # this is a little bit faster
319 declare -i x=0
320 echo -n "Building dependencies list ... "
321 for i in ${ALLDEPS}
322 do
323 (( x++ ))
324 k="$x"
325 [ ${x} -le 9 ] && k="0${k}"
326 #[ ${x} -le 99 ] && k="0${k}"
327 PCAT="$(magename2pcat ${i})"
328 PNAME="$(magename2pname ${i})"
329 PVER="$(magename2pver ${i})"
330 PBUILD="$(magename2pbuild ${i})"
331 if [ -z "${list}" ]
332 then
333 list="\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
334 else
335 list="${list}
336 \t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
337 fi
338 unset PCAT PNAME PVER PBUILD
339 done
340 echo "done"
341 echo -e "${list}"
342 echo
343
344 if [[ ! -z ${INVALID_DEPS} ]]
345 then
346 echo -e "${COLRED}Invalid dependencies found:${COLDEFAULT}"
347 for i in ${INVALID_DEPS}
348 do
349 _dep="${i%%:*}"
350 _mage="${i##*:}"
351 echo -e "${COLRED} '${_dep}' -> '${_mage}'${COLDEFAULT}"
352 done
353 echo
354 fi
355
356 if [[ ! -z ${NO_UPGRADE_CANDIDATE} ]]
357 then
358 echo -e "${COLRED}Currently no candidates found for:${COLDEFAULT}"
359 for i in ${NO_UPGRADE_CANDIDATE}
360 do
361 echo -e "${COLRED} ${i}${COLDEFAULT}"
362 done
363 echo
364 echo -e "${COLRED}Please consider to uninstall all of them first,${COLDEFAULT}"
365 echo -e "${COLRED}because these packages does not exist in this distribution${COLDEFAULT}"
366 echo -e "${COLRED}anymore and there will be no further support for them.${COLDEFAULT}"
367 echo
368 fi
369 fi
370
371 ## return output from src/install deps
372 [[ ${METHOD} = install ]] || \
373 [[ ${METHOD} = srcinstall ]] || \
374 [[ ${METHOD} = upgrade ]] || \
375 [[ ${METHOD} = srcupgrade ]] || \
376 [[ ${METHOD} = install-build-prerequisites ]] && \
377 echo "${ALLDEPS}"

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