lib/mage/depwalker.sh

#!/bin/bash

#depwalker
# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/depwalker.sh,v 1.10 2008-03-26 15:58:25 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 ${DFILE}
	MY_DEPEND="${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	niro	226	#!/bin/bash
2
3			#depwalker
4	niro	701	# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/depwalker.sh,v 1.10 2008-03-26 15:58:25 niro Exp $
5	niro	226
6			# default die function
7			die()
8			{
9			echo ${COLRED}"$@"${COLDEFAULT}
10			exit 1
11			}
12
13	niro	231	# include all needed files
14	niro	235	[ -f /etc/mage.rc.global ] && \
15			source /etc/mage.rc.global \|\| \
16			die "/etc/mage.rc.global missing"
17	niro	226
18	niro	419	[ -f ${MAGERC} ] && source ${MAGERC} \|\| \
19			die "Your ${MAGERC} is missing. Aborting."
20	niro	231
21	niro	235	[ -f ${MLIBDIR}/mage4.functions.sh ] && \
22			source ${MLIBDIR}/mage4.functions.sh \|\| \
23	niro	231	die "mage functions missing"
24
25	niro	226	# for tests only
26	niro	231	# 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	niro	226
31	niro	231	# not serious if missing, only needed for colors
32	niro	226	[ -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	niro	231	echo " install, srcinstall, depend, srcdepend"
58			echo " upgrade, srcupgrade"
59	niro	226	echo
60	niro	701	echo "method, name, version and build must be given !"
61	niro	226	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	niro	598	# 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	niro	654	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	niro	226	#####################
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	niro	250	local PVER
141			local PBUILD
142	niro	226
143			DFILE="$1"
144
145			source ${DFILE}
146			MY_DEPEND="${DEPEND}"
147
148			# for srcinstall & srcdepend only; SDEPEND also needed
149	niro	231	if [[ ${METHOD} = srcinstall ]] \|\| \
150			[[ ${METHOD} = srcpretend ]] \|\| \
151			[[ ${METHOD} = srcupgrade ]] \|\| \
152			[[ ${METHOD} = srcuppretend ]]
153	niro	226	then
154			# only if SDEPEND is not zero
155			if [ -n "${SDEPEND}" ]
156			then
157			# crlf is substantly needed !!
158			if [ -n "${MY_DEPEND}" ]
159			then
160			MY_DEPEND="${MY_DEPEND}
161			${SDEPEND}"
162			else
163			MY_DEPEND="${SDEPEND}"
164			fi
165			fi
166			fi
167
168			unset DEPEND
169			unset SDEPEND
170
171			if [ -z "${MY_DEPEND}" ]
172			then
173			return 1
174			fi
175
176			while read SYM DEPNAME
177			do
178	niro	656	# exclude empty depnames
179			[[ -z ${DEPNAME} ]] && continue
180
181	niro	654	# exclude all already processed deps -without version
182			if ! checklist_processeddeps "${DEPNAME%-*}"
183			then
184			continue
185			fi
186
187			# mark depfile as processed to prevent double runs -without version
188	niro	677	# but do not add any virtuals to PROCESSEDDEPS or their resolved
189			# pkgnames will be ignored and they are missing on the dependecy-list
190			if [[ ${DEPNAME/virtual\//} = ${DEPNAME} ]]
191			then
192			PROCESSEDDEPS="${PROCESSEDDEPS} ${DEPNAME%-*}"
193			fi
194	niro	654
195	niro	226	HIGHEST_DEPFILE=$(dep2highest_magefile "${DEPNAME}")
196
197			PCAT="$(magename2pcat ${HIGHEST_DEPFILE})"
198			PNAME="$(magename2pname ${HIGHEST_DEPFILE})"
199			PVER="$(magename2pver ${HIGHEST_DEPFILE})"
200			PBUILD="$(magename2pbuild ${HIGHEST_DEPFILE})"
201
202			## check ob schon in ALLDEPS enthalten dann mach weiter
203	niro	598
204			# usage of fgrep is extremly slow and consumes a lot of cpu power
205			#if [ -z "$(echo ${ALLDEPS} \| fgrep "${HIGHEST_DEPFILE}")" ]
206			if checklist_alldeps "${HIGHEST_DEPFILE}"
207	niro	226	then
208			### check ob DFILE schon installiert ist ###
209			if [ ! -d ${MROOT}${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
210			then
211			rumwandern ${HIGHEST_DEPFILE}
212			ALLDEPS="${ALLDEPS} ${HIGHEST_DEPFILE}"
213			fi
214			fi
215			done << EOF
216			${MY_DEPEND}
217			EOF
218			return 0
219			}
220
221
222			### abort if this package is already installed (retval 3)
223			# maybe later ?
224			#[ -d ${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ] && exit 3
225
226	niro	231	[[ ${METHOD} = pretend ]] \|\| \
227			[[ ${METHOD} = srcpretend ]] \|\| \
228			[[ ${METHOD} = uppretend ]] \|\| \
229			[[ ${METHOD} = srcuppretend ]] && \
230	niro	226	echo -n "Calculating dependencies ... "
231
232
233	niro	231	if [[ ${METHOD} = upgrade ]] \|\| \
234			[[ ${METHOD} = srcupgrade ]] \|\| \
235			[[ ${METHOD} = uppretend ]] \|\| \
236			[[ ${METHOD} = srcuppretend ]]
237			then
238			INSTDEPS="$(${MLIBDIR}/magequery.sh -i)"
239			for dep in ${INSTDEPS}
240			do
241			PCAT="$(magename2pcat ${dep} installdb)"
242			PNAME="$(magename2pname ${dep})"
243	niro	226
244	niro	250	# get the highest mage file from mage-db
245			MAGEFILE="$(get_highest_magefile ${PCAT} ${PNAME})"
246	niro	226
247	niro	701	# if no install candidate was found, record this
248			# and process with the next one
249			if [[ -z ${MAGEFILE} ]]
250			then
251			NO_UPGRADE_CANDIDATE="${NO_UPGRADE_CANDIDATE} ${PCAT}/${PNAME}"
252			continue
253			fi
254
255	niro	250	# now get the pver&pbuild from the new file
256			PVER="$(magename2pver ${MAGEFILE})"
257			PBUILD="$(magename2pbuild ${MAGEFILE})"
258
259			# do not wander files which are installed
260			if [ ! -d ${INSTALLDB}/${PCAT}/${PNAME}-${PVER}-${PBUILD} ]
261			then
262			# get dependencies the package
263			rumwandern ${MAGEFILE}
264
265			# now add the package itself to the dependencies
266			# (if not exists already)
267	niro	598	#if [ -z "$(echo ${ALLDEPS} \| fgrep "${MAGEFILE}")" ]
268			if checklist_alldeps "${MAGEFILE}"
269	niro	250	then
270			ALLDEPS="${ALLDEPS} ${MAGEFILE}"
271			fi
272			fi
273	niro	231	done
274			else
275			# get dependencies the package
276			rumwandern ${MAGEFILE}
277	niro	226
278	niro	231	# now add the package itself to the dependencies
279			ALLDEPS="${ALLDEPS} ${MAGEFILE}"
280			fi
281
282			[[ ${METHOD} = pretend ]] \|\| \
283			[[ ${METHOD} = srcpretend ]] \|\| \
284			[[ ${METHOD} = uppretend ]] \|\| \
285			[[ ${METHOD} = srcuppretend ]] && \
286			echo "done"
287
288
289	niro	226	## show output of pretend
290	niro	231	if [[ ${METHOD} = pretend ]] \|\| \
291			[[ ${METHOD} = srcpretend ]] \|\| \
292			[[ ${METHOD} = uppretend ]] \|\| \
293			[[ ${METHOD} = srcuppretend ]]
294	niro	226	then
295			# this is a little bit faster
296			declare -i x=0
297			echo -n "Building dependencies list ... "
298			for i in ${ALLDEPS}
299			do
300			(( x++ ))
301			k="$x"
302			[ ${x} -le 9 ] && k="0${k}"
303			#[ ${x} -le 99 ] && k="0${k}"
304			PCAT="$(magename2pcat ${i})"
305			PNAME="$(magename2pname ${i})"
306			PVER="$(magename2pver ${i})"
307			PBUILD="$(magename2pbuild ${i})"
308			if [ -z "${list}" ]
309			then
310			list="\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
311			else
312			list="${list}
313			\t${COLBLUE}[${k}] ${COLGREEN}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
314			fi
315			unset PCAT PNAME PVER PBUILD
316			done
317			echo "done"
318			echo -e "${list}"
319			echo
320	niro	701
321			if [[ ! -z ${NO_UPGRADE_CANDIDATE} ]]
322			then
323			echo -e "${COLRED}Currently no candidates found for:${COLDEFAULT}"
324			for i in ${NO_UPGRADE_CANDIDATE}
325			do
326			echo -e "${COLRED} ${i}${COLDEFAULT}"
327			done
328			echo
329			echo -e "${COLRED}Please consider to uninstall all of them first,${COLDEFAULT}"
330			echo -e "${COLRED}because these packages does not exist in this distribution${COLDEFAULT}"
331			echo -e "${COLRED}and there will be no further updates or support for them.${COLDEFAULT}"
332			echo
333			fi
334	niro	226	fi
335
336			## return output from src/install deps
337	niro	231	[[ ${METHOD} = install ]] \|\| \
338			[[ ${METHOD} = srcinstall ]] \|\| \
339			[[ ${METHOD} = upgrade ]] \|\| \
340			[[ ${METHOD} = srcupgrade ]] && \
341			echo "${ALLDEPS}"
342	niro	226
343			# delete ${BUILDDIR}/virtuals if exists as not needed anymore
344			#[ -d ${BUILDDIR}/virtuals ] && rm -rf ${BUILDDIR}/virtuals