source: BLFS/libs/func_dependencies@ 26906e0

experimental
Last change on this file since 26906e0 was bc40917, checked in by Manuel Canales Esparcia <manuel@…>, 18 years ago

Making use off installed version from packages database.
Not full tested yet.

  • Property mode set to 100644
File size: 10.8 KB
Line 
1#!/bin/bash
2#
3# $Id$
4#
5set -e
6
7declare -i cntr=0
8declare -a spaceSTR=" "
9
10#----------------------------#
11generate_dependency_tree() { #
12#----------------------------#
13: <<inline_doc
14 function: Create a dependency tree for the TARGET
15 input vars: none
16 externals: vars: TARGET
17 PKGXML
18 DEP_LEVEL
19 func: do_dependencies
20 modifies: vars: PKGXML
21 BLFS_XML
22 returns: nothing
23 output: files: $TARGET.dep
24 $TARGET-index.xml.tmp
25 depure.txt
26 on error: nothing
27 on success: nothing
28inline_doc
29
30 local ENTRY_START
31 local ENTRY_END
32
33 #---------------------
34 # Create the working directory and cd into it
35 if [[ -d $TARGET ]] ; then
36 echo -e "\tERROR: Looks like $TARGET has been already processed."
37 echo -e "\tPlease delete or rename the $TARGET directory.\n"
38 exit 1
39 else
40 mkdir $TARGET && cd $TARGET
41 fi
42
43 #---------------------
44 # XML file of the target package
45 PKGXML=`grep "^$TARGET[[:space:]]" ../packages | cut -f2`
46
47 #---------------------
48 # The BLFS sources directory.
49 BLFS_XML=`echo $PKGXML | sed -e 's,/.*,,'`
50
51 if [[ ! -d ../$BLFS_XML ]] ; then
52 echo -e "\tThe BLFS book sources directory is missing.\n"
53 echo -e "\tExecution aborted.\n"
54 cd .. && rmdir $TARGET
55 exit 1
56 fi
57
58 #---------------------
59 # XInclude stuff
60 ENTRY_START="<xi:include xmlns:xi=\"http://www.w3.org/2003/XInclude\" href=\"../"
61 ENTRY_END="\"/>"
62
63 echo -e "\tGenerating $TARGET dependencies tree ..."
64
65 mkdir dependencies
66
67 #---------------------
68 # Create target package dependencies list
69 case $TARGET in
70 # Skip the creation when all dependencies are circular.
71 alsa-lib | cracklib | libexif | unixodbc ) ;;
72
73 # Meta-packages at target level
74 alsa )
75 cp ../libs/alsa.dep dependencies/
76 ;;
77 gnome-core )
78 cp ../libs/gnome-core.dep dependencies/
79 ;;
80 gnome-full )
81 cp ../libs/gnome-{core,full}.dep dependencies/
82 ;;
83 kde-core )
84 cp ../libs/kde-core.dep dependencies/
85 ;;
86 kde-full )
87 cp ../libs/kde-{core,full}.dep dependencies/
88 ;;
89 kde-koffice )
90 cp ../libs/kde-{core,full,koffice}.dep dependencies/
91 ;;
92 xorg7 )
93 cp ../libs/xorg7.dep dependencies/
94 ;;
95 * ) # Default
96 xsltproc --stringparam dependencies $DEP_LEVEL \
97 -o dependencies/$TARGET.dep \
98 ../libs/dependencies.xsl ../$PKGXML
99 ;;
100 esac
101
102 #---------------------
103 # Start with a clean $TARGET-index.xml.tmp file
104 > $TARGET-index.xml.tmp
105
106 #---------------------
107 # Write the XInclude
108 case $TARGET in
109 # If there is no usefull XML page, skip it.
110 alsa | gnome-core | gnome-full | kde-core | kde-full | kde-koffice | xorg7) ;;
111 * )
112 echo -e " $ENTRY_START$PKGXML$ENTRY_END" >> $TARGET-index.xml.tmp
113 ;;
114 esac
115
116 #---------------------
117 # If have dependencies, write its XInclude and find sub-dependencies
118 if [[ -f dependencies/$TARGET.dep ]]; then
119 mkdir xincludes && do_dependencies $TARGET
120 fi
121
122 echo -e "\n\t... done"
123}
124
125
126
127#-----------------------#
128do_dependencies() { # Loop to find sub-dependencies :::WARNING::: THIS IS A RECURVISE FUNCTION
129#-----------------------#
130: <<inline_doc
131 function: Loop through all the packages and create a sub-dependency tree
132 input vars: $1, package name
133 externals: vars: $DEP_LEVEL
134 $TARGET
135 $PRINT_SERVER
136 $KBR5
137 $GHOSTSCRIPT
138 $MAILSERVER
139 file: depure.txt
140 $TARGET-index.xml.tmp
141 $PKG.dep
142 $PKG.inc
143 modifies: files
144 returns: nothing
145 output: file: $PKG-xinc.tmp
146 depure.txt
147 $TARGET-index.xml.tmp
148 on error: exit
149 on success:
150inline_doc
151
152 set -e
153 local PKG=$1
154 local saveIFS=$IFS
155 local DEP_LV=$DEP_LEVEL
156 local line line2 DEP pkg_ver inst_ver
157
158 #------------------
159 # If a premade xinclude file exists, use it. If not, create one
160 if [[ -f xincludes/$PKG.xinc ]] ; then
161 IFS=$'\x0A'
162 for line in `cat xincludes/$PKG.xinc` ; do
163 IFS=$saveIFS
164 # Remove the Xinclude entry if found. We want the most newer one.
165 # Using double quotes to let bash expand variables.
166 # Remove also the empty line created. Can not be done in one step
167 # due that d requires the pattner between /, but we have a lot of /
168 # inside the pattner.
169 sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
170 # Write the XInclude
171 echo -e "$line" >> $TARGET-index.xml.tmp
172 done
173 return
174 fi
175
176 #------------------
177 # Start with a clean $PKG.xinc.tmp file
178 > xincludes/$PKG.xinc.tmp
179 for DEP in `cat dependencies/$PKG.dep`; do
180 # If DEP has been previouly installed, skip it
181 pkg_ver=$(grep "^${DEP}[[:space:]]" ../packages | cut -f3)
182 inst_ver=$(grep "^${DEP}[[:space:]]" ../packages | cut -f4)
183 [ -n "${pkg_ver}" ] && [ "x${pkg_ver}" = "x${inst_ver}" ] && continue
184
185 # Special packages (a lot of hacks)
186 case $DEP in
187
188 db ) continue ;; # The proper version of DB is installed in LFS
189
190 # Don't have their own XML file
191 hal-requirements | hal-runtime-dependencies ) continue ;;
192 perl-* | tk-perl ) DEP=perl-modules ;;
193
194 # Orphan links (proper link must be created when generating the book)
195 arts ) DEP=aRts ;;
196 kde ) DEP=kde-core ;;
197
198 # Set values for alternative packages
199 # X is a meta-package, thus handled in another way.
200 LPRng | cups ) DEP=$PRINT_SERVER ;;
201 mitkrb | heimdal ) DEP=$KBR5 ;;
202 gs | espgs ) DEP=$GHOSTSCRIPT ;;
203 server-mail ) DEP=$MAIL_SERVER ;;
204 esac
205
206 #------------------
207 # Prevent circular dependencies
208 # If all dependencies are circular, the creation of the *.dep file
209 # must be skipped, not placed here, to avoid that the script will bomb
210 # due empty *.xinc files
211 case $DEP in
212 jadetex | perl-* | lynx | Links | w3m )
213 # Optional dependencies are runtime only
214 [[ "$PKG" = "docbook-utils" ]] && continue
215 ;;
216 libxslt )
217 # libxml2-->libxslt-->libxml2
218 [[ "$PKG" = "libxml2" ]] && continue
219 ;;
220 openldap | postgresql | $KBR5 )
221 # cyrus-sasl-->several-->cyrus-sasl
222 [[ "$PKG" = "cyrus-sasl" ]] && continue
223 ;;
224 espgs )
225 # sendmail-->espgs-->cups-->php-->sendmail
226 [[ "$PKG" = "$MAIL_SERVER" ]] && continue
227 ;;
228 aRts )
229 # esound-->aRts-->esound
230 [[ "$PKG" = "esound" ]] && continue
231 ;;
232 gimp | sane )
233 # imagemagick-->{sane}-->gimp-->imagemagick
234 [[ "$PKG" = "imagemagick" ]] && continue
235 ;;
236 ffmpeg )
237 # alsa-plugins-->ffmpeg-->several-->alsa-plugins
238 [[ "$PKG" = "alsa-plugins" ]] && continue
239 ;;
240 akode )
241 # Both are in the same page
242 [[ "$PKG" = "kdemultimedia" ]] && continue
243 ;;
244 esac
245
246 #------------------
247 # XML file of dependency package
248 DEP_XML=`grep "^$DEP[[:space:]]" ../packages | cut -f2`
249 case $DEP in
250 x-window-system | alsa ) ;; # No page for that (proper link must be created when generating the book)
251 xorg7 ) ;; # This page will be dump in the xorg7.xinc file
252 gnome-core | kde-core | kde-full ) ;; # Invented packages
253 * )
254 # Remove the Xinclude entry if found
255 sed -e "s,^[[:space:]]*$ENTRY_START$DEP_XML$ENTRY_END,," \
256 -e '/./!d' -i xincludes/$PKG.xinc.tmp
257 # Write the XInclude
258 echo -e " $ENTRY_START$DEP_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
259 ;;
260 esac
261
262 #------------------
263 # If not already created, create its dependencies list
264 if [[ ! -f dependencies/$DEP.dep ]] ; then
265 case $DEP in
266 # Skip the creation when all dependencies are circular.
267 alsa-lib | cracklib | libexif | unixodbc ) ;;
268 # Meta-packages at dependency level
269 alsa )
270 cp ../libs/alsa.dep dependencies/
271 ;;
272 kde-core )
273 cp ../libs/kde-core.dep dependencies/
274 ;;
275 x-window-system ) # X11 alternatives
276 echo -e "x-config\nx-setup\n$X11" > dependencies/x-window-system.dep
277 ;;
278 xorg7 ) # At dependencies level, remove x-config and x-setup
279 cp ../libs/xorg7.dep dependencies/
280 sed -i '/x-config/d;/x-setup/d' dependencies/xorg7.dep
281 ;;
282 * ) xsltproc --stringparam dependencies $DEP_LV \
283 -o dependencies/$DEP.dep ../libs/dependencies.xsl ../$DEP_XML
284 ;;
285 esac
286 fi
287
288 #------------------
289 # If needed, process its dependencies
290 if [[ -f dependencies/$DEP.dep ]] ; then
291 # If a premade xinclude file esist, include it
292 if [[ -f xincludes/$DEP.xinc ]] ; then
293 IFS=$'\x0A'
294 for line2 in `cat xincludes/$DEP.xinc` ; do
295 IFS=$saveIFS
296 # Remove the Xinclude entry if found
297 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
298 # Write the XInclude
299 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
300 done
301 #------------------
302 # Create the xinclude file
303 else
304 #
305 # >>>>>> THIS IS A RECURSIVE FUNCTION CALL.. BEWARE OF GREMLINS. <<<<<<
306 #
307 # If the recursion depth is not too great this is an acceptable methodology for a script language
308 # However, uncontrolled recursion will cause a seg-fault due to stack issues with local variables.
309 #
310 set +e
311 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\ncall: $((++cntr))${spaceSTR:0:$cntr}${RED}$DEP${OFF}"
312 do_dependencies $DEP
313 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\n ret: $cntr${spaceSTR:0:$((cntr--))}${GREEN}$DEP${OFF} Using $DEP Xinc to solve $PKG"
314 set -e
315
316 # Include it when done
317 IFS=$'\x0A'
318 for line2 in `cat xincludes/$DEP.xinc` ; do
319 IFS=$saveIFS
320 # Remove the Xinclude entry if found
321 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
322 # Write the XInclude
323 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
324 done
325 fi
326 fi
327 done
328
329 #------------------
330 if [[ "$PKG" = "xorg7" ]] ; then
331 # Add their XInclude
332 PKG_XML=${BLFS_XML}/x/installing/xorg7.xml
333 echo -e " $ENTRY_START$PKG_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
334 fi
335
336 #------------------
337 mv xincludes/$PKG.xinc.tmp xincludes/$PKG.xinc
338 IFS=$'\x0A'
339 for line in `cat xincludes/$PKG.xinc` ; do
340 IFS=$saveIFS
341 # Remove the Xinclude entry if found.
342 sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
343 # Write the XInclude
344 echo -e "$line" >> $TARGET-index.xml.tmp
345 done
346}
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