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"

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