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Contents of /branches/mage-next/src/depwalker.in

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Revision 2625 - (show annotations) (download)
Wed Mar 5 08:15:28 2014 UTC (10 years, 2 months ago) by niro
File size: 9623 byte(s)
-simplify including
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 decho()
13 {
14 if [[ ${DEBUG} = 1 ]]
15 then
16 echo "DEBUG: $@" >&2
17 fi
18 }
19
20 # include all needed files
21 source @@SYSCONFDIR@@/mage.rc.global || die "@@SYSCONFDIR@@/mage.rc.global missing"
22 source ${MAGERC} || die "Your ${MAGERC} is missing. Aborting."
23 source ${MLIBDIR}/mage4.functions.sh || die "mage functions missing"
24 source ${MLIBDIR}/smage2.functions.sh || die "smage functions missing"
25
26 usage()
27 {
28 echo
29 echo "Usage: $(basename $0) [command] [arg] ..."
30 echo
31 echo " -h --help shows this help"
32 echo " -c --pcat category of the package"
33 echo " -n --pname name of the package"
34 echo " -v --pver version number of the package"
35 echo " -b --pbuild build number of the package"
36 echo " -m --method which calc method should be used:"
37 echo " install, srcinstall, pretend, srcpretend"
38 echo " upgrade, srcupgrade,"
39 echo " install-build-prerequisites,"
40 echo " pretend-build-prerequisites"
41 echo " -d --debug enable debug mode"
42 echo " -s --smage use a smage to calculate dependencies"
43 echo
44 echo "method, category, name, version and build must be given !"
45 echo
46 exit 1
47 }
48
49 # always default debug=0
50 DEBUG=0
51
52 # very basic getops
53 for i in $*
54 do
55 case $1 in
56 --pcat|-c) shift; PCAT="$1" ;;
57 --pname|-n) shift; PNAME="$1" ;;
58 --pver|-v) shift; PVER="$1" ;;
59 --pbuild|-b) shift; PBUILD="$1" ;;
60 --method|-m) shift; METHOD="$1" ;;
61 --debug|-d) shift; DEBUG=1 ;;
62 --smage|-s) shift; SMAGEFILE="$1"; SILENT=1; FVERBOSE=off ;;
63 --help|-h) usage ;;
64 esac
65 shift
66 done
67
68 # sanity checks; abort if not given
69 if [[ -z ${SMAGEFILE} ]]
70 then
71 [ -z "${PCAT}" ] && usage
72 [ -z "${PNAME}" ] && usage
73 [ -z "${PVER}" ] && usage
74 [ -z "${PBUILD}" ] && usage
75 fi
76 [ -z "${METHOD}" ] && usage
77
78 # check needed global vars
79 [ -z "${MAGEDIR}" ] && die "\$MAGEDIR not set."
80 [ -z "${INSTALLDB}" ] && die "\$INSTALLDB not set."
81 [ -z "${BUILDDIR}" ] && die "\$BUILDDIR not set."
82
83 # other needed vars
84 ALLDEPS=""
85 if [[ -n ${SMAGEFILE} ]]
86 then
87 if [[ -e ${SMAGEFILE} ]]
88 then
89 smagesource "${SMAGEFILE}"
90 else
91 die "Smage file '${SMAGEFILE}' does not exist!"
92 fi
93 fi
94 MAGEFILE="${MAGEDIR}/${PCAT}/${PNAME}/${PNAME}-${PVER}-${PBUILD}.mage"
95
96 # much faster than fgrep
97 checklist_alldeps()
98 {
99 local i
100 local item="$1"
101
102 for i in ${ALLDEPS}
103 do
104 [[ ${i} = ${item} ]] && return 1
105 done
106
107 return 0
108 }
109
110 checklist_processeddeps()
111 {
112 local i
113 local item="$1"
114
115 for i in ${PROCESSEDDEPS}
116 do
117 [[ ${i} = ${item} ]] && return 1
118 done
119
120 return 0
121 }
122
123 #####################
124 ## depwalking /path/to/mage/file/.mage
125 depwalking()
126 {
127 unset DEPEND
128 unset SDEPEND
129 unset MY_DEPEND
130
131 local DFILE
132 local SYM
133 local DEPNAME
134 local HIGHEST_DEPFILE
135 local MY_DEPEND
136 local REAL_PGKNAME
137 local VIRTUAL_NAME
138 local INSTALL_VIRTUAL
139 local PNAME
140 local PCAT
141 local PVER
142 local PBUILD
143
144 DFILE="$1"
145
146 # debug info
147 decho "depwalking magefile '${DFILE}'"
148 decho
149
150 source ${DFILE}
151
152 # forced nodeps
153 if [[ ${NODEPS} = true ]]
154 then
155 DEPEND=""
156 SDEPEND=""
157 fi
158
159 MY_DEPEND="${DEPEND}"
160
161 # for srcinstall & srcdepend only; SDEPEND also needed
162 if [[ ${METHOD} = srcinstall ]] ||
163 [[ ${METHOD} = srcpretend ]] ||
164 [[ ${METHOD} = srcupgrade ]] ||
165 [[ ${METHOD} = srcuppretend ]] ||
166 [[ ${METHOD} = install-build-prerequisites ]] ||
167 [[ ${METHOD} = pretend-build-prerequisites ]]
168 then
169 # only if SDEPEND is not zero
170 if [ -n "${SDEPEND}" ]
171 then
172 # crlf is substantly needed !!
173 if [ -n "${MY_DEPEND}" ]
174 then
175 MY_DEPEND="${MY_DEPEND}
176 ${SDEPEND}"
177 else
178 MY_DEPEND="${SDEPEND}"
179 fi
180 fi
181 fi
182
183 unset DEPEND
184 unset SDEPEND
185
186 if [ -z "${MY_DEPEND}" ]
187 then
188 decho "MY_DEPEND is empty; deps of '${DFILE}' ignored"
189 return 1
190 fi
191
192 while read SYM DEPNAME
193 do
194 # debug info
195 decho "DEPNAME='${DEPNAME}'"
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} ${HIGHEST_DEPFILE}"
237 decho "added '${HIGHEST_DEPFILE}' to ALLDEPS"
238 fi
239 fi
240 done << EOF
241 ${MY_DEPEND}
242 EOF
243 return 0
244 }
245
246 [[ ${METHOD} = pretend ]] || \
247 [[ ${METHOD} = srcpretend ]] || \
248 [[ ${METHOD} = uppretend ]] || \
249 [[ ${METHOD} = srcuppretend ]] || \
250 [[ ${METHOD} = pretend-build-prerequisites ]] && \
251 echo -n "Calculating dependencies ... "
252
253
254 if [[ ${METHOD} = upgrade ]] || \
255 [[ ${METHOD} = srcupgrade ]] || \
256 [[ ${METHOD} = uppretend ]] || \
257 [[ ${METHOD} = srcuppretend ]]
258 then
259 INSTDEPS="$(${MLIBDIR}/magequery.sh -i)"
260 for dep in ${INSTDEPS}
261 do
262 PCAT="$(magename2pcat ${dep} installdb)"
263 PNAME="$(magename2pname ${dep})"
264
265 # get the highest mage file from mage-db
266 MAGEFILE="$(get_highest_magefile ${PCAT} ${PNAME})"
267
268 # debug info
269 decho "dep='${dep}'"
270 decho "PCAT='${PCAT}'"
271 decho "PNAME='${PNAME}'"
272 decho "MAGEFILE='${MAGEFILE}'"
273
274 # if no install candidate was found, record this
275 # and process with the next one
276 if [[ -z ${MAGEFILE} ]]
277 then
278 NO_UPGRADE_CANDIDATE="${NO_UPGRADE_CANDIDATE} ${PCAT}/${PNAME}"
279 decho "added to NO_UPGRADE_CANDIDATE"
280 continue
281 fi
282
283 # now get the pver&pbuild from the new file
284 PVER="$(magename2pver ${MAGEFILE})"
285 PBUILD="$(magename2pbuild ${MAGEFILE})"
286
287 # debug info
288 decho "PVER='${PVER}'"
289 decho "PBUILD='${PBUILD}'"
290
291 # do not walk files which are installed
292 if [ ! -d ${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
293 then
294 # get dependencies the package
295 depwalking ${MAGEFILE}
296
297 # now add the package itself to the dependencies
298 # (if not exists already)
299 if checklist_alldeps "${MAGEFILE}"
300 then
301 decho "added '${MAGEFILE}' to ALLDEPS"
302 ALLDEPS="${ALLDEPS} ${MAGEFILE}"
303 fi
304 else
305 # debug info
306 decho "ignored package"
307 decho
308 fi
309 done
310 else
311 # get all dependencies of the package
312 if [[ -n ${SMAGEFILE} ]]
313 then
314 depwalking "${SMAGEFILE}"
315 else
316 depwalking "${MAGEFILE}"
317 fi
318 fi
319
320 if [[ ${METHOD} != install-build-prerequisites ]] &&
321 [[ ${METHOD} != pretend-build-prerequisites ]] &&
322 [[ ${METHOD} != upgrade ]] &&
323 [[ ${METHOD} != uppretend ]] &&
324 [[ ${METHOD} != srcupgrade ]] &&
325 [[ ${METHOD} != srcuppretend ]]
326 then
327 # now add the package itself to the dependencies
328 # (if not exists already)
329 if checklist_alldeps "${MAGEFILE}"
330 then
331 decho "added '${MAGEFILE}' to ALLDEPS"
332 ALLDEPS="${ALLDEPS} ${MAGEFILE}"
333 fi
334 fi
335
336 [[ ${METHOD} = pretend ]] || \
337 [[ ${METHOD} = srcpretend ]] || \
338 [[ ${METHOD} = uppretend ]] || \
339 [[ ${METHOD} = srcuppretend ]] || \
340 [[ ${METHOD} = pretend-build-prerequisites ]] && \
341 echo "done"
342
343
344 ## show output of pretend
345 if [[ ${METHOD} = pretend ]] || \
346 [[ ${METHOD} = srcpretend ]] || \
347 [[ ${METHOD} = uppretend ]] || \
348 [[ ${METHOD} = srcuppretend ]] || \
349 [[ ${METHOD} = pretend-build-prerequisites ]]
350 then
351 # this is a little bit faster
352 declare -i x=0
353 echo -n "Building dependencies list ... "
354 for i in ${ALLDEPS}
355 do
356 (( x++ ))
357 k="$x"
358 [ ${x} -le 9 ] && k="0${k}"
359 #[ ${x} -le 99 ] && k="0${k}"
360 PCAT="$(magename2pcat ${i})"
361 PNAME="$(magename2pname ${i})"
362 PVER="$(magename2pver ${i})"
363 PBUILD="$(magename2pbuild ${i})"
364 if [ -z "${list}" ]
365 then
366 list="\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
367 else
368 list="${list}
369 \t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
370 fi
371 unset PCAT PNAME PVER PBUILD
372 done
373 echo "done"
374 echo -e "${list}"
375 echo
376
377 if [[ ! -z ${INVALID_DEPS} ]]
378 then
379 echo -e "${COLRED}Invalid dependencies found:${COLDEFAULT}"
380 for i in ${INVALID_DEPS}
381 do
382 _dep="${i%%:*}"
383 _mage="${i##*:}"
384 echo -e "${COLRED} '${_dep}' -> '${_mage}'${COLDEFAULT}"
385 done
386 echo
387 fi
388
389 if [[ ! -z ${NO_UPGRADE_CANDIDATE} ]]
390 then
391 echo -e "${COLRED}Currently no candidates found for:${COLDEFAULT}"
392 for i in ${NO_UPGRADE_CANDIDATE}
393 do
394 echo -e "${COLRED} ${i}${COLDEFAULT}"
395 done
396 echo
397 echo -e "${COLRED}Please consider to uninstall all of them first,${COLDEFAULT}"
398 echo -e "${COLRED}because these packages does not exist in this distribution${COLDEFAULT}"
399 echo -e "${COLRED}anymore and there will be no further support for them.${COLDEFAULT}"
400 echo
401 fi
402 fi
403
404 ## return output from src/install deps
405 [[ ${METHOD} = install ]] || \
406 [[ ${METHOD} = srcinstall ]] || \
407 [[ ${METHOD} = upgrade ]] || \
408 [[ ${METHOD} = srcupgrade ]] || \
409 [[ ${METHOD} = install-build-prerequisites ]] && \
410 echo "${ALLDEPS}"