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

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Revision 2274 - (show annotations) (download) (as text)
Fri Oct 25 07:52:00 2013 UTC (10 years, 6 months ago) by niro
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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,"
38 echo " pretend-build-prerequisites"
39 echo " -d --debug enable debug mode"
40 echo
41 echo "method, name, version and build must be given !"
42 echo
43 exit 1
44 }
45
46 # always default debug=0
47 DEBUG=0
48
49 # very basic getops
50 for i in $*
51 do
52 case $1 in
53 --pcat|-c) shift; PCAT="$1" ;;
54 --pname|-n) shift; PNAME="$1" ;;
55 --pver|-v) shift; PVER="$1" ;;
56 --pbuild|-b) shift; PBUILD="$1" ;;
57 --method|-m) shift; METHOD="$1" ;;
58 --debug|-d) shift; DEBUG=1 ;;
59 --help|-h) usage ;;
60 esac
61 shift
62 done
63
64 # sanity checks; abort if not given
65 [ -z "${PCAT}" ] && usage
66 [ -z "${PNAME}" ] && usage
67 [ -z "${PVER}" ] && usage
68 [ -z "${PBUILD}" ] && usage
69 [ -z "${METHOD}" ] && usage
70
71 # check needed global vars
72 [ -z "${MAGEDIR}" ] && die "\$MAGEDIR not set."
73 [ -z "${INSTALLDB}" ] && die "\$INSTALLDB not set."
74 [ -z "${BUILDDIR}" ] && die "\$BUILDDIR not set."
75
76 # other needed vars
77 ALLDEPS=""
78 MAGEFILE="${MAGEDIR}/${PCAT}/${PNAME}/${PNAME}-${PVER}-${PBUILD}.mage"
79
80 # much faster than fgrep
81 checklist_alldeps()
82 {
83 local i
84 local item="$1"
85
86 for i in ${ALLDEPS}
87 do
88 [[ ${i} = ${item} ]] && return 1
89 done
90
91 return 0
92 }
93
94 checklist_processeddeps()
95 {
96 local i
97 local item="$1"
98
99 for i in ${PROCESSEDDEPS}
100 do
101 [[ ${i} = ${item} ]] && return 1
102 done
103
104 return 0
105 }
106
107 #####################
108 ## depwalking /path/to/mage/file/.mage
109 depwalking()
110 {
111 unset DEPEND
112 unset SDEPEND
113 unset MY_DEPEND
114
115 local DFILE
116 local SYM
117 local DEPNAME
118 local HIGHEST_DEPFILE
119 local MY_DEPEND
120 local REAL_PGKNAME
121 local VIRTUAL_NAME
122 local INSTALL_VIRTUAL
123 local PNAME
124 local PCAT
125 local PVER
126 local PBUILD
127
128 DFILE="$1"
129
130 source ${DFILE}
131
132 # forced nodeps
133 if [[ ${NODEPS} = true ]]
134 then
135 DEPEND=""
136 SDEPEND=""
137 fi
138
139 MY_DEPEND="${DEPEND}"
140
141 # for srcinstall & srcdepend only; SDEPEND also needed
142 if [[ ${METHOD} = srcinstall ]] || \
143 [[ ${METHOD} = srcpretend ]] || \
144 [[ ${METHOD} = srcupgrade ]] || \
145 [[ ${METHOD} = srcuppretend ]]
146 then
147 # only if SDEPEND is not zero
148 if [ -n "${SDEPEND}" ]
149 then
150 # crlf is substantly needed !!
151 if [ -n "${MY_DEPEND}" ]
152 then
153 MY_DEPEND="${MY_DEPEND}
154 ${SDEPEND}"
155 else
156 MY_DEPEND="${SDEPEND}"
157 fi
158 fi
159 fi
160
161 if [[ ${METHOD} = install-build-prerequisites ]] || \
162 [[ ${METHOD} = pretend-build-prerequisites ]]
163 then
164 # only one time
165 if [[ ${LOOP_COUNTER} -lt 1 ]]
166 then
167 # only if SDEPEND is not zero
168 if [ -n "${SDEPEND}" ]
169 then
170 # crlf is substantly needed !!
171 if [ -n "${MY_DEPEND}" ]
172 then
173 MY_DEPEND="${MY_DEPEND}
174 ${SDEPEND}"
175 else
176 MY_DEPEND="${SDEPEND}"
177 fi
178 fi
179 fi
180 LOOP_COUNTER=${LOOP_COUNTER}+1
181 fi
182
183 unset DEPEND
184 unset SDEPEND
185
186 if [ -z "${MY_DEPEND}" ]
187 then
188 return 1
189 fi
190
191 while read SYM DEPNAME
192 do
193 if [[ ${DEBUG} = 1 ]]
194 then
195 echo "DEBUG: DEPNAME='${DEPNAME}'" >&2
196 fi
197
198 # exclude empty depnames
199 [[ -z ${DEPNAME} ]] && continue
200
201 # exclude all already processed deps -without version
202 if ! checklist_processeddeps "${DEPNAME%-*}"
203 then
204 continue
205 fi
206
207 # mark depfile as processed to prevent double runs -without version
208 # but do not add any virtuals to PROCESSEDDEPS or their resolved
209 # pkgnames will be ignored and they are missing on the dependecy-list
210 if [[ ${DEPNAME/virtual\//} = ${DEPNAME} ]]
211 then
212 PROCESSEDDEPS="${PROCESSEDDEPS} ${DEPNAME%-*}"
213 fi
214
215 HIGHEST_DEPFILE=$(dep2highest_magefile "${DEPNAME}")
216 if [[ -z ${HIGHEST_DEPFILE} ]]
217 then
218 INVALID_DEPS+=" ${DEPNAME}:${DFILE}"
219 continue
220 fi
221
222 PCAT="$(magename2pcat ${HIGHEST_DEPFILE})"
223 PNAME="$(magename2pname ${HIGHEST_DEPFILE})"
224 PVER="$(magename2pver ${HIGHEST_DEPFILE})"
225 PBUILD="$(magename2pbuild ${HIGHEST_DEPFILE})"
226
227 ## dep already in ALLDEPS? then going on
228
229 # usage of fgrep is extremly slow and consumes a lot of cpu power
230 #if [ -z "$(echo ${ALLDEPS} | fgrep "${HIGHEST_DEPFILE}")" ]
231 if checklist_alldeps "${HIGHEST_DEPFILE}"
232 then
233 ### check if the dependency is already installed ###
234 if [ ! -d ${MROOT}${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
235 then
236 depwalking ${HIGHEST_DEPFILE}
237 ALLDEPS="${ALLDEPS} ${HIGHEST_DEPFILE}"
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 # 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 continue
274 fi
275
276 # now get the pver&pbuild from the new file
277 PVER="$(magename2pver ${MAGEFILE})"
278 PBUILD="$(magename2pbuild ${MAGEFILE})"
279
280 # do not walk files which are installed
281 if [ ! -d ${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
282 then
283 # get dependencies the package
284 depwalking ${MAGEFILE}
285 fi
286 done
287 else
288 LOOP_COUNTER=0
289 # get all dependencies of the package
290 depwalking ${MAGEFILE}
291 fi
292
293 if [[ ${METHOD} != install-build-prerequisites ]] &&
294 [[ ${METHOD} != pretend-build-prerequisites ]]
295 then
296 # now add the package itself to the dependencies
297 # (if not exists already)
298 if checklist_alldeps "${MAGEFILE}"
299 then
300 ALLDEPS="${ALLDEPS} ${MAGEFILE}"
301 fi
302 fi
303
304 [[ ${METHOD} = pretend ]] || \
305 [[ ${METHOD} = srcpretend ]] || \
306 [[ ${METHOD} = uppretend ]] || \
307 [[ ${METHOD} = srcuppretend ]] || \
308 [[ ${METHOD} = pretend-build-prerequisites ]] && \
309 echo "done"
310
311
312 ## show output of pretend
313 if [[ ${METHOD} = pretend ]] || \
314 [[ ${METHOD} = srcpretend ]] || \
315 [[ ${METHOD} = uppretend ]] || \
316 [[ ${METHOD} = srcuppretend ]] || \
317 [[ ${METHOD} = pretend-build-prerequisites ]]
318 then
319 # this is a little bit faster
320 declare -i x=0
321 echo -n "Building dependencies list ... "
322 for i in ${ALLDEPS}
323 do
324 (( x++ ))
325 k="$x"
326 [ ${x} -le 9 ] && k="0${k}"
327 #[ ${x} -le 99 ] && k="0${k}"
328 PCAT="$(magename2pcat ${i})"
329 PNAME="$(magename2pname ${i})"
330 PVER="$(magename2pver ${i})"
331 PBUILD="$(magename2pbuild ${i})"
332 if [ -z "${list}" ]
333 then
334 list="\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
335 else
336 list="${list}
337 \t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
338 fi
339 unset PCAT PNAME PVER PBUILD
340 done
341 echo "done"
342 echo -e "${list}"
343 echo
344
345 if [[ ! -z ${INVALID_DEPS} ]]
346 then
347 echo -e "${COLRED}Invalid dependencies found:${COLDEFAULT}"
348 for i in ${INVALID_DEPS}
349 do
350 _dep="${i%%:*}"
351 _mage="${i##*:}"
352 echo -e "${COLRED} '${_dep}' -> '${_mage}'${COLDEFAULT}"
353 done
354 echo
355 fi
356
357 if [[ ! -z ${NO_UPGRADE_CANDIDATE} ]]
358 then
359 echo -e "${COLRED}Currently no candidates found for:${COLDEFAULT}"
360 for i in ${NO_UPGRADE_CANDIDATE}
361 do
362 echo -e "${COLRED} ${i}${COLDEFAULT}"
363 done
364 echo
365 echo -e "${COLRED}Please consider to uninstall all of them first,${COLDEFAULT}"
366 echo -e "${COLRED}because these packages does not exist in this distribution${COLDEFAULT}"
367 echo -e "${COLRED}anymore and there will be no further support for them.${COLDEFAULT}"
368 echo
369 fi
370 fi
371
372 ## return output from src/install deps
373 [[ ${METHOD} = install ]] || \
374 [[ ${METHOD} = srcinstall ]] || \
375 [[ ${METHOD} = upgrade ]] || \
376 [[ ${METHOD} = srcupgrade ]] || \
377 [[ ${METHOD} = install-build-prerequisites ]] && \
378 echo "${ALLDEPS}"

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