lib/mage/depwalker.sh

#!/bin/bash
# $Id$
# dependeny walker

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