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

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Revision 2626 - (show annotations) (download)
Wed Mar 5 08:16:25 2014 UTC (10 years, 1 month ago) by niro
File size: 9609 byte(s)
-use common.functions.sh
1 #!/bin/bash
2 # $Id$
3 # dependeny walker
4
5 decho()
6 {
7 if [[ ${DEBUG} = 1 ]]
8 then
9 echo "DEBUG: $@" >&2
10 fi
11 }
12
13 # first of all include common functions
14 source ${MLIBDIR}/common.functions.sh || exit 1
15 source @@SYSCONFDIR@@/mage.rc.global || die "@@SYSCONFDIR@@/mage.rc.global missing"
16 source ${MAGERC} || die "Your ${MAGERC} is missing. Aborting."
17 source ${MLIBDIR}/mage4.functions.sh || die "mage functions missing"
18 source ${MLIBDIR}/smage2.functions.sh || die "smage functions missing"
19
20 usage()
21 {
22 echo
23 echo "Usage: $(basename $0) [command] [arg] ..."
24 echo
25 echo " -h --help shows this help"
26 echo " -c --pcat category of the package"
27 echo " -n --pname name of the package"
28 echo " -v --pver version number of the package"
29 echo " -b --pbuild build number of the package"
30 echo " -m --method which calc method should be used:"
31 echo " install, srcinstall, pretend, srcpretend"
32 echo " upgrade, srcupgrade,"
33 echo " install-build-prerequisites,"
34 echo " pretend-build-prerequisites"
35 echo " -d --debug enable debug mode"
36 echo " -s --smage use a smage to calculate dependencies"
37 echo
38 echo "method, category, name, version and build must be given !"
39 echo
40 exit 1
41 }
42
43 # always default debug=0
44 DEBUG=0
45
46 # very basic getops
47 for i in $*
48 do
49 case $1 in
50 --pcat|-c) shift; PCAT="$1" ;;
51 --pname|-n) shift; PNAME="$1" ;;
52 --pver|-v) shift; PVER="$1" ;;
53 --pbuild|-b) shift; PBUILD="$1" ;;
54 --method|-m) shift; METHOD="$1" ;;
55 --debug|-d) shift; DEBUG=1 ;;
56 --smage|-s) shift; SMAGEFILE="$1"; SILENT=1; FVERBOSE=off ;;
57 --help|-h) usage ;;
58 esac
59 shift
60 done
61
62 # sanity checks; abort if not given
63 if [[ -z ${SMAGEFILE} ]]
64 then
65 [ -z "${PCAT}" ] && usage
66 [ -z "${PNAME}" ] && usage
67 [ -z "${PVER}" ] && usage
68 [ -z "${PBUILD}" ] && usage
69 fi
70 [ -z "${METHOD}" ] && usage
71
72 # check needed global vars
73 [ -z "${MAGEDIR}" ] && die "\$MAGEDIR not set."
74 [ -z "${INSTALLDB}" ] && die "\$INSTALLDB not set."
75 [ -z "${BUILDDIR}" ] && die "\$BUILDDIR not set."
76
77 # other needed vars
78 ALLDEPS=""
79 if [[ -n ${SMAGEFILE} ]]
80 then
81 if [[ -e ${SMAGEFILE} ]]
82 then
83 smagesource "${SMAGEFILE}"
84 else
85 die "Smage file '${SMAGEFILE}' does not exist!"
86 fi
87 fi
88 MAGEFILE="${MAGEDIR}/${PCAT}/${PNAME}/${PNAME}-${PVER}-${PBUILD}.mage"
89
90 # much faster than fgrep
91 checklist_alldeps()
92 {
93 local i
94 local item="$1"
95
96 for i in ${ALLDEPS}
97 do
98 [[ ${i} = ${item} ]] && return 1
99 done
100
101 return 0
102 }
103
104 checklist_processeddeps()
105 {
106 local i
107 local item="$1"
108
109 for i in ${PROCESSEDDEPS}
110 do
111 [[ ${i} = ${item} ]] && return 1
112 done
113
114 return 0
115 }
116
117 #####################
118 ## depwalking /path/to/mage/file/.mage
119 depwalking()
120 {
121 unset DEPEND
122 unset SDEPEND
123 unset MY_DEPEND
124
125 local DFILE
126 local SYM
127 local DEPNAME
128 local HIGHEST_DEPFILE
129 local MY_DEPEND
130 local REAL_PGKNAME
131 local VIRTUAL_NAME
132 local INSTALL_VIRTUAL
133 local PNAME
134 local PCAT
135 local PVER
136 local PBUILD
137
138 DFILE="$1"
139
140 # debug info
141 decho "depwalking magefile '${DFILE}'"
142 decho
143
144 source ${DFILE}
145
146 # forced nodeps
147 if [[ ${NODEPS} = true ]]
148 then
149 DEPEND=""
150 SDEPEND=""
151 fi
152
153 MY_DEPEND="${DEPEND}"
154
155 # for srcinstall & srcdepend only; SDEPEND also needed
156 if [[ ${METHOD} = srcinstall ]] ||
157 [[ ${METHOD} = srcpretend ]] ||
158 [[ ${METHOD} = srcupgrade ]] ||
159 [[ ${METHOD} = srcuppretend ]] ||
160 [[ ${METHOD} = install-build-prerequisites ]] ||
161 [[ ${METHOD} = pretend-build-prerequisites ]]
162 then
163 # only if SDEPEND is not zero
164 if [ -n "${SDEPEND}" ]
165 then
166 # crlf is substantly needed !!
167 if [ -n "${MY_DEPEND}" ]
168 then
169 MY_DEPEND="${MY_DEPEND}
170 ${SDEPEND}"
171 else
172 MY_DEPEND="${SDEPEND}"
173 fi
174 fi
175 fi
176
177 unset DEPEND
178 unset SDEPEND
179
180 if [ -z "${MY_DEPEND}" ]
181 then
182 decho "MY_DEPEND is empty; deps of '${DFILE}' ignored"
183 return 1
184 fi
185
186 while read SYM DEPNAME
187 do
188 # debug info
189 decho "DEPNAME='${DEPNAME}'"
190
191 # exclude empty depnames
192 [[ -z ${DEPNAME} ]] && continue
193
194 # exclude all already processed deps -without version
195 if ! checklist_processeddeps "${DEPNAME%-*}"
196 then
197 continue
198 fi
199
200 # mark depfile as processed to prevent double runs -without version
201 # but do not add any virtuals to PROCESSEDDEPS or their resolved
202 # pkgnames will be ignored and they are missing on the dependecy-list
203 if [[ ${DEPNAME/virtual\//} = ${DEPNAME} ]]
204 then
205 PROCESSEDDEPS="${PROCESSEDDEPS} ${DEPNAME%-*}"
206 fi
207
208 HIGHEST_DEPFILE=$(dep2highest_magefile "${DEPNAME}")
209 if [[ -z ${HIGHEST_DEPFILE} ]]
210 then
211 INVALID_DEPS+=" ${DEPNAME}:${DFILE}"
212 continue
213 fi
214
215 PCAT="$(magename2pcat ${HIGHEST_DEPFILE})"
216 PNAME="$(magename2pname ${HIGHEST_DEPFILE})"
217 PVER="$(magename2pver ${HIGHEST_DEPFILE})"
218 PBUILD="$(magename2pbuild ${HIGHEST_DEPFILE})"
219
220 ## dep already in ALLDEPS? then going on
221
222 # usage of fgrep is extremly slow and consumes a lot of cpu power
223 #if [ -z "$(echo ${ALLDEPS} | fgrep "${HIGHEST_DEPFILE}")" ]
224 if checklist_alldeps "${HIGHEST_DEPFILE}"
225 then
226 ### check if the dependency is already installed ###
227 if [ ! -d ${MROOT}${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
228 then
229 depwalking ${HIGHEST_DEPFILE}
230 ALLDEPS="${ALLDEPS} ${HIGHEST_DEPFILE}"
231 decho "added '${HIGHEST_DEPFILE}' to ALLDEPS"
232 fi
233 fi
234 done << EOF
235 ${MY_DEPEND}
236 EOF
237 return 0
238 }
239
240 [[ ${METHOD} = pretend ]] || \
241 [[ ${METHOD} = srcpretend ]] || \
242 [[ ${METHOD} = uppretend ]] || \
243 [[ ${METHOD} = srcuppretend ]] || \
244 [[ ${METHOD} = pretend-build-prerequisites ]] && \
245 echo -n "Calculating dependencies ... "
246
247
248 if [[ ${METHOD} = upgrade ]] || \
249 [[ ${METHOD} = srcupgrade ]] || \
250 [[ ${METHOD} = uppretend ]] || \
251 [[ ${METHOD} = srcuppretend ]]
252 then
253 INSTDEPS="$(${MLIBDIR}/magequery.sh -i)"
254 for dep in ${INSTDEPS}
255 do
256 PCAT="$(magename2pcat ${dep} installdb)"
257 PNAME="$(magename2pname ${dep})"
258
259 # get the highest mage file from mage-db
260 MAGEFILE="$(get_highest_magefile ${PCAT} ${PNAME})"
261
262 # debug info
263 decho "dep='${dep}'"
264 decho "PCAT='${PCAT}'"
265 decho "PNAME='${PNAME}'"
266 decho "MAGEFILE='${MAGEFILE}'"
267
268 # if no install candidate was found, record this
269 # and process with the next one
270 if [[ -z ${MAGEFILE} ]]
271 then
272 NO_UPGRADE_CANDIDATE="${NO_UPGRADE_CANDIDATE} ${PCAT}/${PNAME}"
273 decho "added to NO_UPGRADE_CANDIDATE"
274 continue
275 fi
276
277 # now get the pver&pbuild from the new file
278 PVER="$(magename2pver ${MAGEFILE})"
279 PBUILD="$(magename2pbuild ${MAGEFILE})"
280
281 # debug info
282 decho "PVER='${PVER}'"
283 decho "PBUILD='${PBUILD}'"
284
285 # do not walk files which are installed
286 if [ ! -d ${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
287 then
288 # get dependencies the package
289 depwalking ${MAGEFILE}
290
291 # now add the package itself to the dependencies
292 # (if not exists already)
293 if checklist_alldeps "${MAGEFILE}"
294 then
295 decho "added '${MAGEFILE}' to ALLDEPS"
296 ALLDEPS="${ALLDEPS} ${MAGEFILE}"
297 fi
298 else
299 # debug info
300 decho "ignored package"
301 decho
302 fi
303 done
304 else
305 # get all dependencies of the package
306 if [[ -n ${SMAGEFILE} ]]
307 then
308 depwalking "${SMAGEFILE}"
309 else
310 depwalking "${MAGEFILE}"
311 fi
312 fi
313
314 if [[ ${METHOD} != install-build-prerequisites ]] &&
315 [[ ${METHOD} != pretend-build-prerequisites ]] &&
316 [[ ${METHOD} != upgrade ]] &&
317 [[ ${METHOD} != uppretend ]] &&
318 [[ ${METHOD} != srcupgrade ]] &&
319 [[ ${METHOD} != srcuppretend ]]
320 then
321 # now add the package itself to the dependencies
322 # (if not exists already)
323 if checklist_alldeps "${MAGEFILE}"
324 then
325 decho "added '${MAGEFILE}' to ALLDEPS"
326 ALLDEPS="${ALLDEPS} ${MAGEFILE}"
327 fi
328 fi
329
330 [[ ${METHOD} = pretend ]] || \
331 [[ ${METHOD} = srcpretend ]] || \
332 [[ ${METHOD} = uppretend ]] || \
333 [[ ${METHOD} = srcuppretend ]] || \
334 [[ ${METHOD} = pretend-build-prerequisites ]] && \
335 echo "done"
336
337
338 ## show output of pretend
339 if [[ ${METHOD} = pretend ]] || \
340 [[ ${METHOD} = srcpretend ]] || \
341 [[ ${METHOD} = uppretend ]] || \
342 [[ ${METHOD} = srcuppretend ]] || \
343 [[ ${METHOD} = pretend-build-prerequisites ]]
344 then
345 # this is a little bit faster
346 declare -i x=0
347 echo -n "Building dependencies list ... "
348 for i in ${ALLDEPS}
349 do
350 (( x++ ))
351 k="$x"
352 [ ${x} -le 9 ] && k="0${k}"
353 #[ ${x} -le 99 ] && k="0${k}"
354 PCAT="$(magename2pcat ${i})"
355 PNAME="$(magename2pname ${i})"
356 PVER="$(magename2pver ${i})"
357 PBUILD="$(magename2pbuild ${i})"
358 if [ -z "${list}" ]
359 then
360 list="\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
361 else
362 list="${list}
363 \t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
364 fi
365 unset PCAT PNAME PVER PBUILD
366 done
367 echo "done"
368 echo -e "${list}"
369 echo
370
371 if [[ ! -z ${INVALID_DEPS} ]]
372 then
373 echo -e "${COLRED}Invalid dependencies found:${COLDEFAULT}"
374 for i in ${INVALID_DEPS}
375 do
376 _dep="${i%%:*}"
377 _mage="${i##*:}"
378 echo -e "${COLRED} '${_dep}' -> '${_mage}'${COLDEFAULT}"
379 done
380 echo
381 fi
382
383 if [[ ! -z ${NO_UPGRADE_CANDIDATE} ]]
384 then
385 echo -e "${COLRED}Currently no candidates found for:${COLDEFAULT}"
386 for i in ${NO_UPGRADE_CANDIDATE}
387 do
388 echo -e "${COLRED} ${i}${COLDEFAULT}"
389 done
390 echo
391 echo -e "${COLRED}Please consider to uninstall all of them first,${COLDEFAULT}"
392 echo -e "${COLRED}because these packages does not exist in this distribution${COLDEFAULT}"
393 echo -e "${COLRED}anymore and there will be no further support for them.${COLDEFAULT}"
394 echo
395 fi
396 fi
397
398 ## return output from src/install deps
399 [[ ${METHOD} = install ]] || \
400 [[ ${METHOD} = srcinstall ]] || \
401 [[ ${METHOD} = upgrade ]] || \
402 [[ ${METHOD} = srcupgrade ]] || \
403 [[ ${METHOD} = install-build-prerequisites ]] && \
404 echo "${ALLDEPS}"