mage-next/src/depwalker.in

#!/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	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	# for tests only
25	niro	231	# 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	niro	226
30	niro	231	# not serious if missing, only needed for colors
31	niro	226	[ -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	niro	231	echo " install, srcinstall, depend, srcdepend"
57			echo " upgrade, srcupgrade"
58	niro	226	echo
59	niro	701	echo "method, name, version and build must be given !"
60	niro	226	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	niro	598	# 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	niro	654	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	niro	226	#####################
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	niro	250	local PVER
140			local PBUILD
141	niro	226
142			DFILE="$1"
143
144			source ${DFILE}
145	niro	778
146			# forced nodeps
147			if [[ ${NODEPS} = true ]]
148			then
149			DEPEND=""
150			SDEPEND=""
151			fi
152
153	niro	226	MY_DEPEND="${DEPEND}"
154
155			# for srcinstall & srcdepend only; SDEPEND also needed
156	niro	231	if [[ ${METHOD} = srcinstall ]] \|\| \
157			[[ ${METHOD} = srcpretend ]] \|\| \
158			[[ ${METHOD} = srcupgrade ]] \|\| \
159			[[ ${METHOD} = srcuppretend ]]
160	niro	226	then
161			# only if SDEPEND is not zero
162			if [ -n "${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	niro	656	# exclude empty depnames
186			[[ -z ${DEPNAME} ]] && continue
187
188	niro	654	# exclude all already processed deps -without version
189			if ! checklist_processeddeps "${DEPNAME%-*}"
190			then
191			continue
192			fi
193
194			# mark depfile as processed to prevent double runs -without version
195	niro	677	# 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} ${DEPNAME%-*}"
200			fi
201	niro	654
202	niro	226	HIGHEST_DEPFILE=$(dep2highest_magefile "${DEPNAME}")
203
204			PCAT="$(magename2pcat ${HIGHEST_DEPFILE})"
205			PNAME="$(magename2pname ${HIGHEST_DEPFILE})"
206			PVER="$(magename2pver ${HIGHEST_DEPFILE})"
207			PBUILD="$(magename2pbuild ${HIGHEST_DEPFILE})"
208
209			## check ob schon in ALLDEPS enthalten dann mach weiter
210	niro	598
211			# usage of fgrep is extremly slow and consumes a lot of cpu power
212			#if [ -z "$(echo ${ALLDEPS} \| fgrep "${HIGHEST_DEPFILE}")" ]
213			if checklist_alldeps "${HIGHEST_DEPFILE}"
214	niro	226	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	niro	231	[[ ${METHOD} = pretend ]] \|\| \
234			[[ ${METHOD} = srcpretend ]] \|\| \
235			[[ ${METHOD} = uppretend ]] \|\| \
236			[[ ${METHOD} = srcuppretend ]] && \
237	niro	226	echo -n "Calculating dependencies ... "
238
239
240	niro	231	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 ${dep})"
250	niro	226
251	niro	250	# get the highest mage file from mage-db
252			MAGEFILE="$(get_highest_magefile ${PCAT} ${PNAME})"
253	niro	226
254	niro	701	# 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	niro	250	# 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 ${MAGEFILE}
271
272			# now add the package itself to the dependencies
273			# (if not exists already)
274	niro	598	#if [ -z "$(echo ${ALLDEPS} \| fgrep "${MAGEFILE}")" ]
275			if checklist_alldeps "${MAGEFILE}"
276	niro	250	then
277			ALLDEPS="${ALLDEPS} ${MAGEFILE}"
278			fi
279			fi
280	niro	231	done
281			else
282			# get dependencies the package
283			rumwandern ${MAGEFILE}
284	niro	226
285	niro	231	# now add the package itself to the dependencies
286			ALLDEPS="${ALLDEPS} ${MAGEFILE}"
287			fi
288
289			[[ ${METHOD} = pretend ]] \|\| \
290			[[ ${METHOD} = srcpretend ]] \|\| \
291			[[ ${METHOD} = uppretend ]] \|\| \
292			[[ ${METHOD} = srcuppretend ]] && \
293			echo "done"
294
295
296	niro	226	## show output of pretend
297	niro	231	if [[ ${METHOD} = pretend ]] \|\| \
298			[[ ${METHOD} = srcpretend ]] \|\| \
299			[[ ${METHOD} = uppretend ]] \|\| \
300			[[ ${METHOD} = srcuppretend ]]
301	niro	226	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	niro	701
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	niro	887	echo -e "${COLRED}anymore and there will be no further support for them.${COLDEFAULT}"
339	niro	701	echo
340			fi
341	niro	226	fi
342
343			## return output from src/install deps
344	niro	231	[[ ${METHOD} = install ]] \|\| \
345			[[ ${METHOD} = srcinstall ]] \|\| \
346			[[ ${METHOD} = upgrade ]] \|\| \
347			[[ ${METHOD} = srcupgrade ]] && \
348			echo "${ALLDEPS}"
349	niro	226
350			# delete ${BUILDDIR}/virtuals if exists as not needed anymore
351			#[ -d ${BUILDDIR}/virtuals ] && rm -rf ${BUILDDIR}/virtuals