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

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Wed Oct 16 06:52:01 2013 UTC (10 years, 6 months ago) by niro
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1 niro 226 #!/bin/bash
2 niro 1559 # $Id$
3     # dependeny walker
4 niro 226
5     # default die function
6     die()
7     {
8     echo ${COLRED}"$@"${COLDEFAULT}
9     exit 1
10     }
11    
12 niro 231 # include all needed files
13 niro 235 [ -f /etc/mage.rc.global ] && \
14     source /etc/mage.rc.global || \
15     die "/etc/mage.rc.global missing"
16 niro 226
17 niro 419 [ -f ${MAGERC} ] && source ${MAGERC} || \
18     die "Your ${MAGERC} is missing. Aborting."
19 niro 231
20 niro 235 [ -f ${MLIBDIR}/mage4.functions.sh ] && \
21     source ${MLIBDIR}/mage4.functions.sh || \
22 niro 231 die "mage functions missing"
23    
24 niro 226 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 niro 231 echo " install, srcinstall, depend, srcdepend"
36 niro 2210 echo " upgrade, srcupgrade,"
37     echo " install-build-prerequisites, pretend-build-prerequisites"
38 niro 226 echo
39 niro 701 echo "method, name, version and build must be given !"
40 niro 226 echo
41     exit 1
42     }
43    
44     # very basic getops
45     for i in $*
46     do
47     case $1 in
48     --pcat|-c) shift; PCAT="$1" ;;
49     --pname|-n) shift; PNAME="$1" ;;
50     --pver|-v) shift; PVER="$1" ;;
51     --pbuild|-b) shift; PBUILD="$1" ;;
52     --method|-m) shift; METHOD="$1" ;;
53     --help|-h) usage ;;
54     esac
55     shift
56     done
57    
58     # sanity checks; abort if not given
59     [ -z "${PCAT}" ] && usage
60     [ -z "${PNAME}" ] && usage
61     [ -z "${PVER}" ] && usage
62     [ -z "${PBUILD}" ] && usage
63     [ -z "${METHOD}" ] && usage
64    
65     # check needed global vars
66     [ -z "${MAGEDIR}" ] && die "\$MAGEDIR not set."
67     [ -z "${INSTALLDB}" ] && die "\$INSTALLDB not set."
68     [ -z "${BUILDDIR}" ] && die "\$BUILDDIR not set."
69    
70     # other needed vars
71     ALLDEPS=""
72     MAGEFILE="${MAGEDIR}/${PCAT}/${PNAME}/${PNAME}-${PVER}-${PBUILD}.mage"
73    
74 niro 598 # much faster than fgrep
75     checklist_alldeps()
76     {
77     local i
78     local item="$1"
79    
80     for i in ${ALLDEPS}
81     do
82     [[ ${i} = ${item} ]] && return 1
83     done
84    
85     return 0
86     }
87    
88 niro 654 checklist_processeddeps()
89     {
90     local i
91     local item="$1"
92    
93     for i in ${PROCESSEDDEPS}
94     do
95     [[ ${i} = ${item} ]] && return 1
96     done
97    
98     return 0
99     }
100    
101 niro 226 #####################
102 niro 1563 ## depwalking /path/to/mage/file/.mage
103     depwalking()
104 niro 226 {
105     unset DEPEND
106     unset SDEPEND
107     unset MY_DEPEND
108    
109     local DFILE
110     local SYM
111     local DEPNAME
112     local HIGHEST_DEPFILE
113     local MY_DEPEND
114     local REAL_PGKNAME
115     local VIRTUAL_NAME
116     local INSTALL_VIRTUAL
117     local PNAME
118     local PCAT
119 niro 250 local PVER
120     local PBUILD
121 niro 226
122     DFILE="$1"
123    
124     source ${DFILE}
125 niro 778
126     # forced nodeps
127     if [[ ${NODEPS} = true ]]
128     then
129     DEPEND=""
130     SDEPEND=""
131     fi
132    
133 niro 226 MY_DEPEND="${DEPEND}"
134    
135     # for srcinstall & srcdepend only; SDEPEND also needed
136 niro 231 if [[ ${METHOD} = srcinstall ]] || \
137     [[ ${METHOD} = srcpretend ]] || \
138     [[ ${METHOD} = srcupgrade ]] || \
139     [[ ${METHOD} = srcuppretend ]]
140 niro 226 then
141     # only if SDEPEND is not zero
142     if [ -n "${SDEPEND}" ]
143     then
144     # crlf is substantly needed !!
145     if [ -n "${MY_DEPEND}" ]
146     then
147     MY_DEPEND="${MY_DEPEND}
148     ${SDEPEND}"
149     else
150     MY_DEPEND="${SDEPEND}"
151     fi
152     fi
153     fi
154    
155 niro 2210 if [[ ${METHOD} = install-build-prerequisites ]] || \
156     [[ ${METHOD} = pretend-build-prerequisites ]]
157     then
158     # only one time
159     if [[ ${LOOP_COUNTER} -lt 1 ]]
160     then
161     # only if SDEPEND is not zero
162     if [ -n "${SDEPEND}" ]
163     then
164     # crlf is substantly needed !!
165     if [ -n "${MY_DEPEND}" ]
166     then
167     MY_DEPEND="${MY_DEPEND}
168     ${SDEPEND}"
169     else
170     MY_DEPEND="${SDEPEND}"
171     fi
172     fi
173     fi
174     LOOP_COUNTER=${LOOP_COUNTER}+1
175     fi
176    
177 niro 226 unset DEPEND
178     unset SDEPEND
179    
180     if [ -z "${MY_DEPEND}" ]
181     then
182     return 1
183     fi
184    
185     while read SYM DEPNAME
186     do
187 niro 656 # exclude empty depnames
188     [[ -z ${DEPNAME} ]] && continue
189    
190 niro 654 # exclude all already processed deps -without version
191     if ! checklist_processeddeps "${DEPNAME%-*}"
192     then
193     continue
194     fi
195    
196     # mark depfile as processed to prevent double runs -without version
197 niro 677 # but do not add any virtuals to PROCESSEDDEPS or their resolved
198     # pkgnames will be ignored and they are missing on the dependecy-list
199     if [[ ${DEPNAME/virtual\//} = ${DEPNAME} ]]
200     then
201     PROCESSEDDEPS="${PROCESSEDDEPS} ${DEPNAME%-*}"
202     fi
203 niro 654
204 niro 226 HIGHEST_DEPFILE=$(dep2highest_magefile "${DEPNAME}")
205 niro 2141 if [[ -z ${HIGHEST_DEPFILE} ]]
206     then
207     INVALID_DEPS+=" ${DEPNAME}:${DFILE}"
208     continue
209     fi
210 niro 226
211     PCAT="$(magename2pcat ${HIGHEST_DEPFILE})"
212     PNAME="$(magename2pname ${HIGHEST_DEPFILE})"
213     PVER="$(magename2pver ${HIGHEST_DEPFILE})"
214     PBUILD="$(magename2pbuild ${HIGHEST_DEPFILE})"
215    
216 niro 1562 ## dep already in ALLDEPS? then going on
217 niro 598
218     # usage of fgrep is extremly slow and consumes a lot of cpu power
219     #if [ -z "$(echo ${ALLDEPS} | fgrep "${HIGHEST_DEPFILE}")" ]
220     if checklist_alldeps "${HIGHEST_DEPFILE}"
221 niro 226 then
222 niro 1564 ### check if the dependency is already installed ###
223 niro 226 if [ ! -d ${MROOT}${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
224     then
225 niro 1563 depwalking ${HIGHEST_DEPFILE}
226 niro 226 ALLDEPS="${ALLDEPS} ${HIGHEST_DEPFILE}"
227     fi
228     fi
229     done << EOF
230     ${MY_DEPEND}
231     EOF
232     return 0
233     }
234    
235 niro 231 [[ ${METHOD} = pretend ]] || \
236     [[ ${METHOD} = srcpretend ]] || \
237     [[ ${METHOD} = uppretend ]] || \
238 niro 2210 [[ ${METHOD} = srcuppretend ]] || \
239     [[ ${METHOD} = pretend-build-prerequisites ]] && \
240 niro 226 echo -n "Calculating dependencies ... "
241    
242    
243 niro 231 if [[ ${METHOD} = upgrade ]] || \
244     [[ ${METHOD} = srcupgrade ]] || \
245     [[ ${METHOD} = uppretend ]] || \
246     [[ ${METHOD} = srcuppretend ]]
247     then
248     INSTDEPS="$(${MLIBDIR}/magequery.sh -i)"
249     for dep in ${INSTDEPS}
250     do
251     PCAT="$(magename2pcat ${dep} installdb)"
252     PNAME="$(magename2pname ${dep})"
253 niro 226
254 niro 250 # get the highest mage file from mage-db
255     MAGEFILE="$(get_highest_magefile ${PCAT} ${PNAME})"
256 niro 226
257 niro 701 # if no install candidate was found, record this
258     # and process with the next one
259     if [[ -z ${MAGEFILE} ]]
260     then
261     NO_UPGRADE_CANDIDATE="${NO_UPGRADE_CANDIDATE} ${PCAT}/${PNAME}"
262     continue
263     fi
264    
265 niro 250 # now get the pver&pbuild from the new file
266     PVER="$(magename2pver ${MAGEFILE})"
267     PBUILD="$(magename2pbuild ${MAGEFILE})"
268    
269 niro 1562 # do not walk files which are installed
270 niro 250 if [ ! -d ${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
271     then
272     # get dependencies the package
273 niro 1563 depwalking ${MAGEFILE}
274 niro 250 fi
275 niro 231 done
276     else
277 niro 2210 LOOP_COUNTER=0
278 niro 1562 # get all dependencies of the package
279 niro 1563 depwalking ${MAGEFILE}
280 niro 2195 fi
281 niro 226
282 niro 2210 if [[ ${METHOD} != install-build-prerequisites ]] &&
283     [[ ${METHOD} != pretend-build-prerequisites ]]
284 niro 2195 then
285 niro 2210 # now add the package itself to the dependencies
286     # (if not exists already)
287     if checklist_alldeps "${MAGEFILE}"
288     then
289     ALLDEPS="${ALLDEPS} ${MAGEFILE}"
290     fi
291 niro 231 fi
292    
293     [[ ${METHOD} = pretend ]] || \
294     [[ ${METHOD} = srcpretend ]] || \
295     [[ ${METHOD} = uppretend ]] || \
296 niro 2210 [[ ${METHOD} = srcuppretend ]] || \
297     [[ ${METHOD} = pretend-build-prerequisites ]] && \
298 niro 231 echo "done"
299    
300    
301 niro 226 ## show output of pretend
302 niro 231 if [[ ${METHOD} = pretend ]] || \
303     [[ ${METHOD} = srcpretend ]] || \
304     [[ ${METHOD} = uppretend ]] || \
305 niro 2210 [[ ${METHOD} = srcuppretend ]] || \
306     [[ ${METHOD} = pretend-build-prerequisites ]]
307 niro 226 then
308     # this is a little bit faster
309     declare -i x=0
310     echo -n "Building dependencies list ... "
311     for i in ${ALLDEPS}
312     do
313     (( x++ ))
314     k="$x"
315     [ ${x} -le 9 ] && k="0${k}"
316     #[ ${x} -le 99 ] && k="0${k}"
317     PCAT="$(magename2pcat ${i})"
318     PNAME="$(magename2pname ${i})"
319     PVER="$(magename2pver ${i})"
320     PBUILD="$(magename2pbuild ${i})"
321     if [ -z "${list}" ]
322     then
323 niro 2220 list="\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
324 niro 226 else
325     list="${list}
326     \t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
327     fi
328     unset PCAT PNAME PVER PBUILD
329     done
330     echo "done"
331     echo -e "${list}"
332     echo
333 niro 701
334 niro 2141 if [[ ! -z ${INVALID_DEPS} ]]
335     then
336     echo -e "${COLRED}Invalid dependencies found:${COLDEFAULT}"
337     for i in ${INVALID_DEPS}
338     do
339     _dep="${i%%:*}"
340     _mage="${i##*:}"
341     echo -e "${COLRED} '${_dep}' -> '${_mage}'${COLDEFAULT}"
342     done
343     echo
344     fi
345    
346 niro 701 if [[ ! -z ${NO_UPGRADE_CANDIDATE} ]]
347     then
348     echo -e "${COLRED}Currently no candidates found for:${COLDEFAULT}"
349     for i in ${NO_UPGRADE_CANDIDATE}
350     do
351     echo -e "${COLRED} ${i}${COLDEFAULT}"
352     done
353     echo
354     echo -e "${COLRED}Please consider to uninstall all of them first,${COLDEFAULT}"
355     echo -e "${COLRED}because these packages does not exist in this distribution${COLDEFAULT}"
356 niro 887 echo -e "${COLRED}anymore and there will be no further support for them.${COLDEFAULT}"
357 niro 701 echo
358     fi
359 niro 226 fi
360    
361     ## return output from src/install deps
362 niro 231 [[ ${METHOD} = install ]] || \
363     [[ ${METHOD} = srcinstall ]] || \
364     [[ ${METHOD} = upgrade ]] || \
365 niro 2210 [[ ${METHOD} = srcupgrade ]] || \
366     [[ ${METHOD} = install-build-prerequisites ]] && \
367 niro 231 echo "${ALLDEPS}"

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