lib/mage/depwalker.sh

#!/bin/bash

#depwalker
# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/depwalker.sh,v 1.11 2008-10-05 10:33:36 niro Exp $

# default die function
die()
{
	echo ${COLRED}"$@"${COLDEFAULT}
	exit 1
}

# include all needed files
[ -f /etc/mage.rc.global ] &&  \
	source /etc/mage.rc.global || \
	die "/etc/mage.rc.global missing"

[ -f ${MAGERC} ] && source ${MAGERC} || \
	die "Your ${MAGERC} is missing. Aborting."

[ -f ${MLIBDIR}/mage4.functions.sh ] && \
	source ${MLIBDIR}/mage4.functions.sh || \
	die "mage functions missing"

# for tests only
# source /home/tjoke/alx-cvs/magellan-src/mage/usr/lib/mage/mage.rc.global
# source /etc/mage.rc
# source /home/tjoke/alx-cvs/magellan-src/mage/usr/lib/mage/mage4.functions.sh
# MLIBDIR=/home/tjoke/alx-cvs/magellan-src/mage/usr/lib/mage

# not serious if missing, only needed for colors
[ -f /etc/init.d/functions ] && source /etc/init.d/functions

# disable colors if wanted
if [[ ${NOCOLORS} = true ]]
then
	COLRED=""
	COLGREEN=""
	COLYELLOW=""
	COLBLUE=""
	COLMAGENTA=""
	COLWHITE=""
	COLDEFAULT=""
fi

usage()
{
	echo
	echo "Usage: $(basename $0) [command] [arg] ..."
	echo
	echo "  -h     --help          shows this help"
	echo "  -c     --pcat          categorie of the package"
	echo "  -n     --pname         name of the package"
	echo "  -v     --pver          version number of the package"
	echo "  -b     --pbuild        build number of the package"
	echo "  -m     --method        which calc method should be used:"
	echo "                         install, srcinstall, depend, srcdepend"
	echo "                         upgrade, srcupgrade"
	echo
	echo "method, name, version and build must be given !"
	echo
	exit 1
}

# very basic getops
for i in $*
do
	case $1 in
		--pcat|-c) shift; PCAT="$1" ;;
		--pname|-n) shift; PNAME="$1" ;;
		--pver|-v) shift; PVER="$1" ;;
		--pbuild|-b) shift; PBUILD="$1" ;;
		--method|-m) shift; METHOD="$1" ;;
		--help|-h) usage ;;
	esac
	shift
done

# sanity checks; abort if not given
[ -z "${PCAT}" ] && usage
[ -z "${PNAME}" ] && usage
[ -z "${PVER}" ] && usage
[ -z "${PBUILD}" ] && usage
[ -z "${METHOD}" ] && usage

# check needed global vars
[ -z "${MAGEDIR}" ] && die "\$MAGEDIR not set."
[ -z "${INSTALLDB}" ] && die "\$INSTALLDB not set."
[ -z "${BUILDDIR}" ] && die "\$BUILDDIR not set."

# other needed vars
ALLDEPS=""
MAGEFILE="${MAGEDIR}/${PCAT}/${PNAME}/${PNAME}-${PVER}-${PBUILD}.mage"

# much faster than fgrep
checklist_alldeps()
{
	local i
	local item="$1"

	for i in ${ALLDEPS}
	do
		[[ ${i} = ${item} ]] && return 1
	done

	return 0
}

checklist_processeddeps()
{
	local i
	local item="$1"

	for i in ${PROCESSEDDEPS}
	do
		[[ ${i} = ${item} ]] && return 1
	done

	return 0
}

#####################
##  rumwandern /path/to/mage/file/.mage
rumwandern()
{
	unset DEPEND
	unset SDEPEND
	unset MY_DEPEND

	local DFILE
	local SYM
	local DEPNAME
	local HIGHEST_DEPFILE
	local MY_DEPEND
	local REAL_PGKNAME
	local VIRTUAL_NAME
	local INSTALL_VIRTUAL
	local PNAME
	local PCAT
	local PVER
	local PBUILD

	DFILE="$1"

	source ${DFILE}

	# forced nodeps
	if [[ ${NODEPS} = true ]]
	then
		DEPEND=""
		SDEPEND=""
	fi

	MY_DEPEND="${DEPEND}"

	# for srcinstall & srcdepend only; SDEPEND also needed
	if [[ ${METHOD} = srcinstall ]] || \
		[[ ${METHOD} = srcpretend ]] || \
		[[ ${METHOD} = srcupgrade ]] || \
		[[ ${METHOD} = srcuppretend ]]
	then
		# only if SDEPEND is not zero
		if [ -n "${SDEPEND}" ]
		then
			# crlf is substantly needed !!
			if [ -n "${MY_DEPEND}" ]
			then
				MY_DEPEND="${MY_DEPEND}
					${SDEPEND}"
			else
				MY_DEPEND="${SDEPEND}"
			fi
		fi
	fi

	unset DEPEND
	unset SDEPEND

	if [ -z "${MY_DEPEND}" ]
	then
		return 1
	fi

	while read SYM DEPNAME
	do
		# exclude empty depnames
		[[ -z ${DEPNAME} ]] && continue

		# exclude all already processed deps -without version
		if ! checklist_processeddeps "${DEPNAME%-*}"
		then
			continue
		fi

		# mark depfile as processed to prevent double runs -without version
		# but do not add any virtuals to PROCESSEDDEPS or their resolved
		# pkgnames will be ignored and they are missing on the dependecy-list
		if [[ ${DEPNAME/virtual\//} = ${DEPNAME} ]]
		then
			PROCESSEDDEPS="${PROCESSEDDEPS} ${DEPNAME%-*}"
		fi

		HIGHEST_DEPFILE=$(dep2highest_magefile "${DEPNAME}")

		PCAT="$(magename2pcat ${HIGHEST_DEPFILE})"
		PNAME="$(magename2pname ${HIGHEST_DEPFILE})"
		PVER="$(magename2pver ${HIGHEST_DEPFILE})"
		PBUILD="$(magename2pbuild ${HIGHEST_DEPFILE})"

		## check ob schon in ALLDEPS enthalten dann mach weiter

		# usage of fgrep is extremly slow and consumes a lot of cpu power
		#if [ -z "$(echo ${ALLDEPS} | fgrep "${HIGHEST_DEPFILE}")" ]
		if checklist_alldeps "${HIGHEST_DEPFILE}"
		then
			### check ob DFILE schon installiert ist ###
			if [ ! -d ${MROOT}${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
			then
				rumwandern ${HIGHEST_DEPFILE}
				ALLDEPS="${ALLDEPS} ${HIGHEST_DEPFILE}"
			fi
		fi
	done << EOF
${MY_DEPEND}
EOF
	return 0
}


### abort if this package is already installed (retval 3)
# maybe later ?
#[ -d ${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ] && exit 3

[[ ${METHOD} = pretend ]] || \
	[[ ${METHOD} = srcpretend ]] || \
	[[ ${METHOD} = uppretend ]] || \
	[[ ${METHOD} = srcuppretend ]] && \
	echo -n "Calculating dependencies ... "


if [[ ${METHOD} = upgrade ]] || \
	[[ ${METHOD} = srcupgrade ]] || \
	[[ ${METHOD} = uppretend ]] || \
	[[ ${METHOD} = srcuppretend ]]
then
	INSTDEPS="$(${MLIBDIR}/magequery.sh -i)"
	for dep in ${INSTDEPS}
	do
		PCAT="$(magename2pcat ${dep} installdb)"
		PNAME="$(magename2pname ${dep})"

		# get the highest mage file from mage-db
		MAGEFILE="$(get_highest_magefile ${PCAT} ${PNAME})"

		# if no install candidate was found, record this
		# and process with the next one
		if [[ -z ${MAGEFILE} ]]
		then
			NO_UPGRADE_CANDIDATE="${NO_UPGRADE_CANDIDATE} ${PCAT}/${PNAME}"
			continue
		fi

		# now get the pver&pbuild from the new file
		PVER="$(magename2pver ${MAGEFILE})"
		PBUILD="$(magename2pbuild ${MAGEFILE})"

		# do not wander files which are installed
		if [ ! -d ${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
		then
			# get dependencies the package
			rumwandern ${MAGEFILE}

			# now add the package itself to the dependencies
			# (if not exists already)
			#if [ -z "$(echo ${ALLDEPS} | fgrep "${MAGEFILE}")" ]
			if checklist_alldeps "${MAGEFILE}"
			then
				ALLDEPS="${ALLDEPS} ${MAGEFILE}"
			fi
		fi
	done
else
	# get dependencies the package
	rumwandern ${MAGEFILE}

	# now add the package itself to the dependencies
	ALLDEPS="${ALLDEPS} ${MAGEFILE}"
fi

[[ ${METHOD} = pretend ]] || \
	[[ ${METHOD} = srcpretend ]] || \
	[[ ${METHOD} = uppretend ]] || \
	[[ ${METHOD} = srcuppretend ]] && \
	echo "done"


## show output of pretend
if [[ ${METHOD} = pretend ]] || \
	[[ ${METHOD} = srcpretend ]] || \
	[[ ${METHOD} = uppretend ]] || \
	[[ ${METHOD} = srcuppretend ]]
then
	# this is a little bit faster
	declare -i x=0
	echo -n "Building dependencies list ... "
	for i in ${ALLDEPS}
	do
		(( x++ ))
		k="$x"
		[ ${x} -le 9  ] && k="0${k}"
		#[ ${x} -le 99  ] && k="0${k}"
		PCAT="$(magename2pcat ${i})"
		PNAME="$(magename2pname ${i})"
		PVER="$(magename2pver ${i})"
		PBUILD="$(magename2pbuild ${i})"
		if [ -z "${list}" ]
		then
			list="\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"		
		else
			list="${list}
\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
		fi
		unset PCAT PNAME PVER PBUILD
	done
	echo "done"
	echo -e "${list}"
	echo

	if [[ ! -z ${NO_UPGRADE_CANDIDATE} ]]
	then
		echo -e "${COLRED}Currently no candidates found for:${COLDEFAULT}"
		for i in ${NO_UPGRADE_CANDIDATE}
		do
			echo -e "${COLRED}    ${i}${COLDEFAULT}"
		done
		echo
		echo -e "${COLRED}Please consider to uninstall all of them first,${COLDEFAULT}"
		echo -e "${COLRED}because these packages does not exist in this distribution${COLDEFAULT}"
		echo -e "${COLRED}and there will be no further updates or support for them.${COLDEFAULT}"
		echo
	fi
fi

## return output from src/install deps
[[ ${METHOD} = install ]] || \
	[[ ${METHOD} = srcinstall ]] || \
	[[ ${METHOD} = upgrade ]] || \
	[[ ${METHOD} = srcupgrade ]] && \
	echo "${ALLDEPS}"

# delete ${BUILDDIR}/virtuals if exists as not needed anymore
#[ -d ${BUILDDIR}/virtuals ] && rm -rf ${BUILDDIR}/virtuals
1	#!/bin/bash
2
3	#depwalker
4	# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/depwalker.sh,v 1.11 2008-10-05 10:33:36 niro Exp $
5
6	# default die function
7	die()
8	{
9	echo ${COLRED}"$@"${COLDEFAULT}
10	exit 1
11	}
12
13	# include all needed files
14	[ -f /etc/mage.rc.global ] && \
15	source /etc/mage.rc.global \|\| \
16	die "/etc/mage.rc.global missing"
17
18	[ -f ${MAGERC} ] && source ${MAGERC} \|\| \
19	die "Your ${MAGERC} is missing. Aborting."
20
21	[ -f ${MLIBDIR}/mage4.functions.sh ] && \
22	source ${MLIBDIR}/mage4.functions.sh \|\| \
23	die "mage functions missing"
24
25	# for tests only
26	# source /home/tjoke/alx-cvs/magellan-src/mage/usr/lib/mage/mage.rc.global
27	# source /etc/mage.rc
28	# source /home/tjoke/alx-cvs/magellan-src/mage/usr/lib/mage/mage4.functions.sh
29	# MLIBDIR=/home/tjoke/alx-cvs/magellan-src/mage/usr/lib/mage
30
31	# not serious if missing, only needed for colors
32	[ -f /etc/init.d/functions ] && source /etc/init.d/functions
33
34	# disable colors if wanted
35	if [[ ${NOCOLORS} = true ]]
36	then
37	COLRED=""
38	COLGREEN=""
39	COLYELLOW=""
40	COLBLUE=""
41	COLMAGENTA=""
42	COLWHITE=""
43	COLDEFAULT=""
44	fi
45
46	usage()
47	{
48	echo
49	echo "Usage: $(basename $0) [command] [arg] ..."
50	echo
51	echo " -h --help shows this help"
52	echo " -c --pcat categorie of the package"
53	echo " -n --pname name of the package"
54	echo " -v --pver version number of the package"
55	echo " -b --pbuild build number of the package"
56	echo " -m --method which calc method should be used:"
57	echo " install, srcinstall, depend, srcdepend"
58	echo " upgrade, srcupgrade"
59	echo
60	echo "method, name, version and build must be given !"
61	echo
62	exit 1
63	}
64
65	# very basic getops
66	for i in $*
67	do
68	case $1 in
69	--pcat\|-c) shift; PCAT="$1" ;;
70	--pname\|-n) shift; PNAME="$1" ;;
71	--pver\|-v) shift; PVER="$1" ;;
72	--pbuild\|-b) shift; PBUILD="$1" ;;
73	--method\|-m) shift; METHOD="$1" ;;
74	--help\|-h) usage ;;
75	esac
76	shift
77	done
78
79	# sanity checks; abort if not given
80	[ -z "${PCAT}" ] && usage
81	[ -z "${PNAME}" ] && usage
82	[ -z "${PVER}" ] && usage
83	[ -z "${PBUILD}" ] && usage
84	[ -z "${METHOD}" ] && usage
85
86	# check needed global vars
87	[ -z "${MAGEDIR}" ] && die "\$MAGEDIR not set."
88	[ -z "${INSTALLDB}" ] && die "\$INSTALLDB not set."
89	[ -z "${BUILDDIR}" ] && die "\$BUILDDIR not set."
90
91	# other needed vars
92	ALLDEPS=""
93	MAGEFILE="${MAGEDIR}/${PCAT}/${PNAME}/${PNAME}-${PVER}-${PBUILD}.mage"
94
95	# much faster than fgrep
96	checklist_alldeps()
97	{
98	local i
99	local item="$1"
100
101	for i in ${ALLDEPS}
102	do
103	[[ ${i} = ${item} ]] && return 1
104	done
105
106	return 0
107	}
108
109	checklist_processeddeps()
110	{
111	local i
112	local item="$1"
113
114	for i in ${PROCESSEDDEPS}
115	do
116	[[ ${i} = ${item} ]] && return 1
117	done
118
119	return 0
120	}
121
122	#####################
123	## rumwandern /path/to/mage/file/.mage
124	rumwandern()
125	{
126	unset DEPEND
127	unset SDEPEND
128	unset MY_DEPEND
129
130	local DFILE
131	local SYM
132	local DEPNAME
133	local HIGHEST_DEPFILE
134	local MY_DEPEND
135	local REAL_PGKNAME
136	local VIRTUAL_NAME
137	local INSTALL_VIRTUAL
138	local PNAME
139	local PCAT
140	local PVER
141	local PBUILD
142
143	DFILE="$1"
144
145	source ${DFILE}
146
147	# forced nodeps
148	if [[ ${NODEPS} = true ]]
149	then
150	DEPEND=""
151	SDEPEND=""
152	fi
153
154	MY_DEPEND="${DEPEND}"
155
156	# for srcinstall & srcdepend only; SDEPEND also needed
157	if [[ ${METHOD} = srcinstall ]] \|\| \
158	[[ ${METHOD} = srcpretend ]] \|\| \
159	[[ ${METHOD} = srcupgrade ]] \|\| \
160	[[ ${METHOD} = srcuppretend ]]
161	then
162	# only if SDEPEND is not zero
163	if [ -n "${SDEPEND}" ]
164	then
165	# crlf is substantly needed !!
166	if [ -n "${MY_DEPEND}" ]
167	then
168	MY_DEPEND="${MY_DEPEND}
169	${SDEPEND}"
170	else
171	MY_DEPEND="${SDEPEND}"
172	fi
173	fi
174	fi
175
176	unset DEPEND
177	unset SDEPEND
178
179	if [ -z "${MY_DEPEND}" ]
180	then
181	return 1
182	fi
183
184	while read SYM DEPNAME
185	do
186	# exclude empty depnames
187	[[ -z ${DEPNAME} ]] && continue
188
189	# exclude all already processed deps -without version
190	if ! checklist_processeddeps "${DEPNAME%-*}"
191	then
192	continue
193	fi
194
195	# mark depfile as processed to prevent double runs -without version
196	# but do not add any virtuals to PROCESSEDDEPS or their resolved
197	# pkgnames will be ignored and they are missing on the dependecy-list
198	if [[ ${DEPNAME/virtual\//} = ${DEPNAME} ]]
199	then
200	PROCESSEDDEPS="${PROCESSEDDEPS} ${DEPNAME%-*}"
201	fi
202
203	HIGHEST_DEPFILE=$(dep2highest_magefile "${DEPNAME}")
204
205	PCAT="$(magename2pcat ${HIGHEST_DEPFILE})"
206	PNAME="$(magename2pname ${HIGHEST_DEPFILE})"
207	PVER="$(magename2pver ${HIGHEST_DEPFILE})"
208	PBUILD="$(magename2pbuild ${HIGHEST_DEPFILE})"
209
210	## check ob schon in ALLDEPS enthalten dann mach weiter
211
212	# usage of fgrep is extremly slow and consumes a lot of cpu power
213	#if [ -z "$(echo ${ALLDEPS} \| fgrep "${HIGHEST_DEPFILE}")" ]
214	if checklist_alldeps "${HIGHEST_DEPFILE}"
215	then
216	### check ob DFILE schon installiert ist ###
217	if [ ! -d ${MROOT}${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
218	then
219	rumwandern ${HIGHEST_DEPFILE}
220	ALLDEPS="${ALLDEPS} ${HIGHEST_DEPFILE}"
221	fi
222	fi
223	done << EOF
224	${MY_DEPEND}
225	EOF
226	return 0
227	}
228
229
230	### abort if this package is already installed (retval 3)
231	# maybe later ?
232	#[ -d ${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ] && exit 3
233
234	[[ ${METHOD} = pretend ]] \|\| \
235	[[ ${METHOD} = srcpretend ]] \|\| \
236	[[ ${METHOD} = uppretend ]] \|\| \
237	[[ ${METHOD} = srcuppretend ]] && \
238	echo -n "Calculating dependencies ... "
239
240
241	if [[ ${METHOD} = upgrade ]] \|\| \
242	[[ ${METHOD} = srcupgrade ]] \|\| \
243	[[ ${METHOD} = uppretend ]] \|\| \
244	[[ ${METHOD} = srcuppretend ]]
245	then
246	INSTDEPS="$(${MLIBDIR}/magequery.sh -i)"
247	for dep in ${INSTDEPS}
248	do
249	PCAT="$(magename2pcat ${dep} installdb)"
250	PNAME="$(magename2pname ${dep})"
251
252	# get the highest mage file from mage-db
253	MAGEFILE="$(get_highest_magefile ${PCAT} ${PNAME})"
254
255	# if no install candidate was found, record this
256	# and process with the next one
257	if [[ -z ${MAGEFILE} ]]
258	then
259	NO_UPGRADE_CANDIDATE="${NO_UPGRADE_CANDIDATE} ${PCAT}/${PNAME}"
260	continue
261	fi
262
263	# now get the pver&pbuild from the new file
264	PVER="$(magename2pver ${MAGEFILE})"
265	PBUILD="$(magename2pbuild ${MAGEFILE})"
266
267	# do not wander files which are installed
268	if [ ! -d ${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
269	then
270	# get dependencies the package
271	rumwandern ${MAGEFILE}
272
273	# now add the package itself to the dependencies
274	# (if not exists already)
275	#if [ -z "$(echo ${ALLDEPS} \| fgrep "${MAGEFILE}")" ]
276	if checklist_alldeps "${MAGEFILE}"
277	then
278	ALLDEPS="${ALLDEPS} ${MAGEFILE}"
279	fi
280	fi
281	done
282	else
283	# get dependencies the package
284	rumwandern ${MAGEFILE}
285
286	# now add the package itself to the dependencies
287	ALLDEPS="${ALLDEPS} ${MAGEFILE}"
288	fi
289
290	[[ ${METHOD} = pretend ]] \|\| \
291	[[ ${METHOD} = srcpretend ]] \|\| \
292	[[ ${METHOD} = uppretend ]] \|\| \
293	[[ ${METHOD} = srcuppretend ]] && \
294	echo "done"
295
296
297	## show output of pretend
298	if [[ ${METHOD} = pretend ]] \|\| \
299	[[ ${METHOD} = srcpretend ]] \|\| \
300	[[ ${METHOD} = uppretend ]] \|\| \
301	[[ ${METHOD} = srcuppretend ]]
302	then
303	# this is a little bit faster
304	declare -i x=0
305	echo -n "Building dependencies list ... "
306	for i in ${ALLDEPS}
307	do
308	(( x++ ))
309	k="$x"
310	[ ${x} -le 9 ] && k="0${k}"
311	#[ ${x} -le 99 ] && k="0${k}"
312	PCAT="$(magename2pcat ${i})"
313	PNAME="$(magename2pname ${i})"
314	PVER="$(magename2pver ${i})"
315	PBUILD="$(magename2pbuild ${i})"
316	if [ -z "${list}" ]
317	then
318	list="\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
319	else
320	list="${list}
321	\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
322	fi
323	unset PCAT PNAME PVER PBUILD
324	done
325	echo "done"
326	echo -e "${list}"
327	echo
328
329	if [[ ! -z ${NO_UPGRADE_CANDIDATE} ]]
330	then
331	echo -e "${COLRED}Currently no candidates found for:${COLDEFAULT}"
332	for i in ${NO_UPGRADE_CANDIDATE}
333	do
334	echo -e "${COLRED} ${i}${COLDEFAULT}"
335	done
336	echo
337	echo -e "${COLRED}Please consider to uninstall all of them first,${COLDEFAULT}"
338	echo -e "${COLRED}because these packages does not exist in this distribution${COLDEFAULT}"
339	echo -e "${COLRED}and there will be no further updates or support for them.${COLDEFAULT}"
340	echo
341	fi
342	fi
343
344	## return output from src/install deps
345	[[ ${METHOD} = install ]] \|\| \
346	[[ ${METHOD} = srcinstall ]] \|\| \
347	[[ ${METHOD} = upgrade ]] \|\| \
348	[[ ${METHOD} = srcupgrade ]] && \
349	echo "${ALLDEPS}"
350
351	# delete ${BUILDDIR}/virtuals if exists as not needed anymore
352	#[ -d ${BUILDDIR}/virtuals ] && rm -rf ${BUILDDIR}/virtuals