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

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Revision 2838 - (show annotations) (download) (as text)
Wed Oct 22 12:26:49 2014 UTC (9 years, 6 months ago) by niro
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-load mage-features to support them with the smagesource() function
1 #!/bin/bash
2 # $Id$
3 # dependency walker
4
5 # default die function
6 die()
7 {
8 echo ${COLRED}"$@"${COLDEFAULT}
9 exit 1
10 }
11
12 decho()
13 {
14 if [[ ${DEBUG} = 1 ]]
15 then
16 echo "DEBUG: $@" >&2
17 fi
18 }
19
20 # include all needed files
21 [ -f /etc/mage.rc.global ] && \
22 source /etc/mage.rc.global || \
23 die "/etc/mage.rc.global missing"
24
25 [ -f ${MAGERC} ] && source ${MAGERC} || \
26 die "Your ${MAGERC} is missing. Aborting."
27
28 [ -f ${MLIBDIR}/mage4.functions.sh ] && \
29 source ${MLIBDIR}/mage4.functions.sh || \
30 die "mage functions missing"
31
32 [ -f ${MLIBDIR}/smage2.functions.sh ] && \
33 source ${MLIBDIR}/smage2.functions.sh || \
34 die "smage functions missing"
35
36 usage()
37 {
38 echo
39 echo "Usage: $(basename $0) [command] [arg] ..."
40 echo
41 echo " -h --help shows this help"
42 echo " -c --pcat category of the package"
43 echo " -n --pname name of the package"
44 echo " -v --pver version number of the package"
45 echo " -b --pbuild build number of the package"
46 echo " -m --method which calc method should be used:"
47 echo " install, srcinstall, pretend, srcpretend"
48 echo " upgrade, srcupgrade,"
49 echo " install-build-prerequisites,"
50 echo " pretend-build-prerequisites"
51 echo " -d --debug enable debug mode"
52 echo " -s --smage use a smage to calculate dependencies"
53 echo
54 echo "method, category, name, version and build must be given !"
55 echo
56 exit 1
57 }
58
59 # set some sane defaults
60 DEBUG=0
61 SMAGE_DEPEND=0
62
63 # very basic getops
64 for i in $*
65 do
66 case $1 in
67 --pcat|-c) shift; PCAT="$1" ;;
68 --pname|-n) shift; PNAME="$1" ;;
69 --pver|-v) shift; PVER="$1" ;;
70 --pbuild|-b) shift; PBUILD="$1" ;;
71 --method|-m) shift; METHOD="$1" ;;
72 --debug|-d) shift; DEBUG=1 ;;
73 --smage|-s) shift; SMAGEFILE="$1"; SMAGE_DEPEND=1; SILENT=1; FVERBOSE=off ;;
74 --help|-h) usage ;;
75 esac
76 shift
77 done
78
79 # sanity checks; abort if not given
80 if [[ -z ${SMAGEFILE} ]]
81 then
82 [ -z "${PCAT}" ] && usage
83 [ -z "${PNAME}" ] && usage
84 [ -z "${PVER}" ] && usage
85 [ -z "${PBUILD}" ] && usage
86 fi
87 [ -z "${METHOD}" ] && usage
88
89 # check needed global vars
90 [ -z "${MAGEDIR}" ] && die "\$MAGEDIR not set."
91 [ -z "${INSTALLDB}" ] && die "\$INSTALLDB not set."
92 [ -z "${BUILDDIR}" ] && die "\$BUILDDIR not set."
93
94 # load mage-features to support them with smagesource()
95 load_mage_features
96
97 # other needed vars
98 ALLDEPS=""
99 if [[ -n ${SMAGEFILE} ]]
100 then
101 if [[ -e ${SMAGEFILE} ]]
102 then
103 smagesource "${SMAGEFILE}"
104 else
105 die "Smage file '${SMAGEFILE}' does not exist!"
106 fi
107 fi
108 MAGEFILE="${MAGEDIR}/${PCAT}/${PNAME}/${PNAME}-${PVER}-${PBUILD}.mage"
109
110 # much faster than fgrep
111 checklist_alldeps()
112 {
113 local i
114 local item="$1"
115
116 for i in ${ALLDEPS}
117 do
118 [[ ${i} = ${item} ]] && return 1
119 done
120
121 return 0
122 }
123
124 checklist_processeddeps()
125 {
126 local i
127 local item="$1"
128
129 for i in ${PROCESSEDDEPS}
130 do
131 [[ ${i} = ${item} ]] && return 1
132 done
133
134 return 0
135 }
136
137 #####################
138 ## depwalking /path/to/mage/file/.mage
139 depwalking()
140 {
141 unset DEPEND
142 unset SDEPEND
143 unset MY_DEPEND
144
145 local DFILE
146 local SYM
147 local DEPNAME
148 local HIGHEST_DEPFILE
149 local MY_DEPEND
150 local REAL_PGKNAME
151 local VIRTUAL_NAME
152 local INSTALL_VIRTUAL
153 local PNAME
154 local PCAT
155 local PVER
156 local PBUILD
157
158 DFILE="$1"
159
160 # debug info
161 decho "depwalking magefile '${DFILE}'"
162 decho
163
164 source ${DFILE}
165
166 # forced nodeps
167 if [[ ${NODEPS} = true ]]
168 then
169 DEPEND=""
170 SDEPEND=""
171 fi
172
173 MY_DEPEND="${DEPEND}"
174
175 # for srcinstall & srcdepend only; SDEPEND also needed
176 if [[ ${METHOD} = srcinstall ]] ||
177 [[ ${METHOD} = srcpretend ]] ||
178 [[ ${METHOD} = srcupgrade ]] ||
179 [[ ${METHOD} = srcuppretend ]] ||
180 [[ ${METHOD} = install-build-prerequisites ]] ||
181 [[ ${METHOD} = pretend-build-prerequisites ]]
182 then
183 # only if SDEPEND is not zero
184 if [ -n "${SDEPEND}" ]
185 then
186 # crlf is substantly needed !!
187 if [ -n "${MY_DEPEND}" ]
188 then
189 MY_DEPEND="${MY_DEPEND}
190 ${SDEPEND}"
191 else
192 MY_DEPEND="${SDEPEND}"
193 fi
194 fi
195 fi
196
197 unset DEPEND
198 unset SDEPEND
199
200 if [ -z "${MY_DEPEND}" ]
201 then
202 decho "MY_DEPEND is empty; deps of '${DFILE}' ignored"
203 return 1
204 fi
205
206 while read SYM DEPNAME
207 do
208 # debug info
209 decho "DEPNAME='${DEPNAME}'"
210
211 # exclude empty depnames
212 [[ -z ${DEPNAME} ]] && continue
213
214 # exclude all already processed deps -without version
215 if ! checklist_processeddeps "${DEPNAME%-*}"
216 then
217 continue
218 fi
219
220 # mark depfile as processed to prevent double runs -without version
221 # but do not add any virtuals to PROCESSEDDEPS or their resolved
222 # pkgnames will be ignored and they are missing on the dependency-list
223 if [[ ${DEPNAME/virtual\//} = ${DEPNAME} ]]
224 then
225 PROCESSEDDEPS="${PROCESSEDDEPS} ${DEPNAME%-*}"
226 fi
227
228 HIGHEST_DEPFILE=$(dep2highest_magefile "${DEPNAME}")
229 if [[ -z ${HIGHEST_DEPFILE} ]]
230 then
231 INVALID_DEPS+=" ${DEPNAME}:${DFILE}"
232 continue
233 fi
234
235 PCAT="$(magename2pcat ${HIGHEST_DEPFILE})"
236 PNAME="$(magename2pname ${HIGHEST_DEPFILE})"
237 PVER="$(magename2pver ${HIGHEST_DEPFILE})"
238 PBUILD="$(magename2pbuild ${HIGHEST_DEPFILE})"
239
240 ## dep already in ALLDEPS? then going on
241
242 # usage of fgrep is extremly slow and consumes a lot of cpu power
243 #if [ -z "$(echo ${ALLDEPS} | fgrep "${HIGHEST_DEPFILE}")" ]
244 if checklist_alldeps "${HIGHEST_DEPFILE}"
245 then
246 ### check if the dependency is already installed ###
247 if [ ! -d ${MROOT}${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
248 then
249 # but first get all deps of highest_depfile to catch all dependencies of it
250 depwalking ${HIGHEST_DEPFILE}
251 ALLDEPS="${ALLDEPS} ${HIGHEST_DEPFILE}"
252 decho "added '${HIGHEST_DEPFILE}' to ALLDEPS"
253 fi
254 fi
255 done << EOF
256 ${MY_DEPEND}
257 EOF
258 return 0
259 }
260
261 [[ ${METHOD} = pretend ]] || \
262 [[ ${METHOD} = srcpretend ]] || \
263 [[ ${METHOD} = uppretend ]] || \
264 [[ ${METHOD} = srcuppretend ]] || \
265 [[ ${METHOD} = pretend-build-prerequisites ]] && \
266 echo -n "Calculating dependencies ... "
267
268
269 if [[ ${METHOD} = upgrade ]] || \
270 [[ ${METHOD} = srcupgrade ]] || \
271 [[ ${METHOD} = uppretend ]] || \
272 [[ ${METHOD} = srcuppretend ]]
273 then
274 INSTDEPS="$(${MLIBDIR}/magequery.sh -i)"
275 for dep in ${INSTDEPS}
276 do
277 PCAT="$(magename2pcat ${dep} installdb)"
278 PNAME="$(magename2pname ${dep})"
279
280 # get the highest mage file from mage-db
281 MAGEFILE="$(get_highest_magefile ${PCAT} ${PNAME})"
282
283 # debug info
284 decho "dep='${dep}'"
285 decho "PCAT='${PCAT}'"
286 decho "PNAME='${PNAME}'"
287 decho "MAGEFILE='${MAGEFILE}'"
288
289 # if no install candidate was found, record this
290 # and process with the next one
291 if [[ -z ${MAGEFILE} ]]
292 then
293 NO_UPGRADE_CANDIDATE="${NO_UPGRADE_CANDIDATE} ${PCAT}/${PNAME}"
294 decho "added to NO_UPGRADE_CANDIDATE"
295 continue
296 fi
297
298 # now get the pver&pbuild from the new file
299 PVER="$(magename2pver ${MAGEFILE})"
300 PBUILD="$(magename2pbuild ${MAGEFILE})"
301
302 # debug info
303 decho "PVER='${PVER}'"
304 decho "PBUILD='${PBUILD}'"
305
306 # do not walk files which are installed
307 if [ ! -d ${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
308 then
309 # get dependencies the package
310 depwalking ${MAGEFILE}
311
312 # now add the package itself to the dependencies
313 # (if not exists already)
314 if checklist_alldeps "${MAGEFILE}"
315 then
316 decho "added '${MAGEFILE}' to ALLDEPS"
317 ALLDEPS="${ALLDEPS} ${MAGEFILE}"
318 fi
319 else
320 # debug info
321 decho "ignored package"
322 decho
323 fi
324 done
325 else
326 # get all dependencies of the package
327 if [[ -n ${SMAGEFILE} ]]
328 then
329 depwalking "${SMAGEFILE}"
330 else
331 depwalking "${MAGEFILE}"
332 fi
333 fi
334
335 if [[ ${METHOD} != install-build-prerequisites ]] &&
336 [[ ${METHOD} != pretend-build-prerequisites ]] &&
337 [[ ${METHOD} != upgrade ]] &&
338 [[ ${METHOD} != uppretend ]] &&
339 [[ ${METHOD} != srcupgrade ]] &&
340 [[ ${METHOD} != srcuppretend ]]
341 then
342 # now add the package itself to the dependencies
343 # (if not exists already)
344 if checklist_alldeps "${MAGEFILE}"
345 then
346 decho "added '${MAGEFILE}' to ALLDEPS"
347 ALLDEPS="${ALLDEPS} ${MAGEFILE}"
348 fi
349 fi
350
351 [[ ${METHOD} = pretend ]] || \
352 [[ ${METHOD} = srcpretend ]] || \
353 [[ ${METHOD} = uppretend ]] || \
354 [[ ${METHOD} = srcuppretend ]] || \
355 [[ ${METHOD} = pretend-build-prerequisites ]] && \
356 echo "done"
357
358
359 ## show output of pretend
360 if [[ ${METHOD} = pretend ]] || \
361 [[ ${METHOD} = srcpretend ]] || \
362 [[ ${METHOD} = uppretend ]] || \
363 [[ ${METHOD} = srcuppretend ]] || \
364 [[ ${METHOD} = pretend-build-prerequisites ]]
365 then
366 # this is a little bit faster
367 declare -i x=0
368 echo -n "Building dependencies list ... "
369 for i in ${ALLDEPS}
370 do
371 (( x++ ))
372 k="$x"
373 [ ${x} -le 9 ] && k="0${k}"
374 #[ ${x} -le 99 ] && k="0${k}"
375 PCAT="$(magename2pcat ${i})"
376 PNAME="$(magename2pname ${i})"
377 PVER="$(magename2pver ${i})"
378 PBUILD="$(magename2pbuild ${i})"
379 if [ -z "${list}" ]
380 then
381 list="\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
382 else
383 list="${list}
384 \t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
385 fi
386 unset PCAT PNAME PVER PBUILD
387 done
388 echo "done"
389 echo -e "${list}"
390 echo
391
392 if [[ ! -z ${INVALID_DEPS} ]]
393 then
394 echo -e "${COLRED}Invalid dependencies found:${COLDEFAULT}"
395 for i in ${INVALID_DEPS}
396 do
397 _dep="${i%%:*}"
398 _mage="${i##*:}"
399 echo -e "${COLRED} '${_dep}' -> '${_mage}'${COLDEFAULT}"
400 done
401 echo
402 fi
403
404 if [[ ! -z ${NO_UPGRADE_CANDIDATE} ]]
405 then
406 echo -e "${COLRED}Currently no candidates found for:${COLDEFAULT}"
407 for i in ${NO_UPGRADE_CANDIDATE}
408 do
409 echo -e "${COLRED} ${i}${COLDEFAULT}"
410 done
411 echo
412 echo -e "${COLRED}Please consider to uninstall all of them first,${COLDEFAULT}"
413 echo -e "${COLRED}because these packages does not exist in this distribution${COLDEFAULT}"
414 echo -e "${COLRED}anymore and there will be no further support for them.${COLDEFAULT}"
415 echo
416 fi
417 fi
418
419 ## return output from src/install deps
420 [[ ${METHOD} = install ]] || \
421 [[ ${METHOD} = srcinstall ]] || \
422 [[ ${METHOD} = upgrade ]] || \
423 [[ ${METHOD} = srcupgrade ]] || \
424 [[ ${METHOD} = install-build-prerequisites ]] && \
425 echo "${ALLDEPS}"

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