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MahiroOS-jhalfs/BLFS/libs/func_dependencies
2006-08-12 15:33:33 +00:00

354 lines
12 KiB
Bash

#!/bin/bash
#
# $Id$
#
set -e
declare -i cntr=0
declare -a spaceSTR=" "
#----------------------------#
generate_dependency_tree() { #
#----------------------------#
: <<inline_doc
function: Create a dependency tree for the TARGET
input vars: none
externals: vars: TARGET
PKGXML
DEP_LEVEL
func: do_dependencies
modifies: vars: PKGXML
BLFS_XML
returns: nothing
output: files: $TARGET.dep
$TARGET-index.xml.tmp
depure.txt
on error: nothing
on success: nothing
inline_doc
local ENTRY_START
local ENTRY_END
#---------------------
# Create the working directory and cd into it
if [[ -d $TARGET ]] ; then
echo -e "\tERROR: Looks like $TARGET has been already processed."
echo -e "\tPlease delete or rename the $TARGET directory.\n"
exit 1
else
mkdir $TARGET && cd $TARGET
fi
#---------------------
# XML file of the target package
PKGXML=`grep "^$TARGET[[:space:]]" ../packages | cut -f2`
#---------------------
# The BLFS sources directory.
# Note: for book.xsl this value must be set via a sed in ./blfs.
# For consistency, we should to do the same here.
BLFS_XML=`echo $PKGXML | sed -e 's,/.*,,'`
if [[ ! -d ../$BLFS_XML ]] ; then
echo -e "\tThe BLFS book sources directory is missing.\n"
echo -e "\tExecution aborted.\n"
cd .. && rmdir $TARGET
exit 1
fi
#---------------------
# XInclude stuff
ENTRY_START="<xi:include xmlns:xi=\"http://www.w3.org/2003/XInclude\" href=\"../"
ENTRY_END="\"/>"
echo -e "\tGenerating $TARGET dependencies tree ..."
mkdir dependencies
#---------------------
# Create target package dependencies list
case $TARGET in
# Skip the creation when all dependencies are circular.
alsa-lib | cracklib | libexif | unixodbc ) ;;
# Meta-packages at target level
# KDE and Gnome-{core,full} could be made via packages.sh, but not sure yet how.
alsa )
echo -e "alsa-oss\nalsa-firmware\nalsa-tools\nalsa-utils\n \
alsa-plugins\nalsa-lib" > dependencies/alsa.dep
;;
gnome-core )
cp ../libs/gnome-core.dep dependencies/
;;
gnome-full )
cp ../libs/gnome-{core,full}.dep dependencies/
;;
kde-core )
cp ../libs/kde-core.dep dependencies/
;;
kde-full )
cp ../libs/kde-{core,full}.dep dependencies/
;;
kde-koffice )
cp ../libs/kde-{core,full}.dep dependencies/
echo -e "koffice\nkde-full\nkde-core" > dependencies/kde-koffice.dep
;;
xorg7 ) # At atarget level, add also x-config and x-setup
echo -e "x-config\nx-setup\nrman\nxterm2\nxorg7-driver\nxorg7-server\nluit\n \
xorg7-font\nxorg7-data\nxorg7-app\nxbitmaps\nmesalib\nlibdrm\n \
xorg7-lib\nxorg7-util\nxorg7-proto" > dependencies/xorg7.dep
;;
* ) # Default
xsltproc --stringparam dependencies $DEP_LEVEL \
-o dependencies/$TARGET.dep \
../libs/dependencies.xsl ../$PKGXML
;;
esac
#---------------------
# Start with a clean $TARGET-index.xml.tmp file
> $TARGET-index.xml.tmp
#---------------------
# Write the XInclude
case $TARGET in
# If there is no usefull XML page, skip it.
alsa | gnome-core | gnome-full | kde-core | kde-full | kde-koffice ) ;;
* )
echo -e " $ENTRY_START$PKGXML$ENTRY_END" >> $TARGET-index.xml.tmp
;;
esac
#---------------------
# If have dependencies, write its XInclude and find sub-dependencies
if [[ -f dependencies/$TARGET.dep ]]; then
mkdir xincludes && do_dependencies $TARGET
fi
echo -e "\n\t... done"
}
#-----------------------#
do_dependencies() { # Loop to find sub-dependencies :::WARNING::: THIS IS A RECURVISE FUNCTION
#-----------------------#
: <<inline_doc
function: Loop through all the packages and create a sub-dependency tree
input vars: $1, package name
externals: vars: $DEP_LEVEL
$TARGET
$PRINT_SERVER
$KBR5
$GHOSTSCRIPT
$MAILSERVER
file: depure.txt
$TARGET-index.xml.tmp
$PKG.dep
$PKG.inc
modifies: files
returns: nothing
output: file: $PKG-xinc.tmp
depure.txt
$TARGET-index.xml.tmp
on error: exit
on success:
inline_doc
set -e
local PKG=$1
local saveIFS=$IFS
local DEP_LV=$DEP_LEVEL
local line line2 DEP
#------------------
# If a premade xinclude file exists, use it. If not, create one
if [[ -f xincludes/$PKG.xinc ]] ; then
IFS=$'\x0A'
for line in `cat xincludes/$PKG.xinc` ; do
IFS=$saveIFS
# Remove the Xinclude entry if found. We want the most newer one.
# Using double quotes to let bash expand variables.
# Remove also the empty line created. Can not be done in one step
# due that d requires the pattner between /, but we have a lot of /
# inside the pattner.
sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
# Write the XInclude
echo -e "$line" >> $TARGET-index.xml.tmp
done
return
fi
#------------------
# Start with a clean $PKG.xinc.tmp file
> xincludes/$PKG.xinc.tmp
for DEP in `cat dependencies/$PKG.dep`; do
# Special packages (a lot of hacks)
case $DEP in
db ) continue ;; # The proper version of DB is installed in LFS
# Don't have their own XML file
hal-requirements | hal-runtime-dependencies ) continue ;;
perl-* | tk-perl ) DEP=perl-modules ;;
# Orphan links (proper link must be created when generating the book)
arts ) DEP=aRts ;;
kde ) DEP=kde-core ;;
# Dummy gnome-core pages
GNOME-desktop-file-utils ) DEP=desktop-file-utils ;;
GNOME-shared-mime-info ) DEP=shared-mime-info ;;
# Set values for alternative packages
# X is a meta-package, thus handled in another way.
LPRng | cups ) DEP=$PRINT_SERVER ;;
mitkrb | heimdal ) DEP=$KBR5 ;;
gs | espgs ) DEP=$GHOSTSCRIPT ;;
server-mail ) DEP=$MAIL_SERVER ;;
esac
#------------------
# Prevent circular dependencies
# If all dependencies are circular, the creation of the *.dep file
# must be skipped, not placed here, to avoid that the script will bomb
# due empty *.xinc files
case $DEP in
jadetex | perl-* | lynx | Links | w3m )
# Optional dependencies are runtime only
[[ "$PKG" = "docbook-utils" ]] && continue
;;
libxslt )
# libxml2-->libxslt-->libxml2
[[ "$PKG" = "libxml2" ]] && continue
;;
openldap | postgresql | $KBR5 )
# cyrus-sasl-->several-->cyrus-sasl
[[ "$PKG" = "cyrus-sasl" ]] && continue
;;
espgs )
# sendmail-->espgs-->cups-->php-->sendmail
[[ "$PKG" = "$MAIL_SERVER" ]] && continue
;;
aRts )
# esound-->aRts-->esound
[[ "$PKG" = "esound" ]] && continue
;;
gimp | sane )
# imagemagick-->{sane}-->gimp-->imagemagick
[[ "$PKG" = "imagemagick" ]] && continue
;;
ffmpeg )
# alsa-plugins-->ffmpeg-->several-->alsa-plugins
[[ "$PKG" = "alsa-plugins" ]] && continue
;;
akode )
# Both are in the same page
[[ "$PKG" = "kdemultimedia" ]] && continue
;;
esac
#------------------
# XML file of dependency package
DEP_XML=`grep "^$DEP[[:space:]]" ../packages | cut -f2`
case $DEP in
x-window-system | alsa ) ;; # No page for that (proper link must be created when generating the book)
xorg7 ) ;; # This page will be dump in the xorg7.xinc file
gnome-core | kde-core | kde-full ) ;; # Invented packages
* )
# Remove the Xinclude entry if found
sed -e "s,^[[:space:]]*$ENTRY_START$DEP_XML$ENTRY_END,," \
-e '/./!d' -i xincludes/$PKG.xinc.tmp
# Write the XInclude
echo -e " $ENTRY_START$DEP_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
;;
esac
#------------------
# If not already created, create its dependencies list
if [[ ! -f dependencies/$DEP.dep ]] ; then
case $DEP in
# Skip the creation when all dependencies are circular.
alsa-lib | cracklib | libexif | unixodbc ) ;;
# Meta-packages at dependency level (ugly *.dep files, but work for now)
alsa ) # When dependency "alsa", use all alsa-* packages
echo -e "alsa-oss\nalsa-firmware\nalsa-tools\nalsa-utils\n \
alsa-plugins\nalsa-lib" > dependencies/alsa.dep
;;
kde-core )
cp ../libs/kde-core.dep dependencies/
;;
x-window-system ) # X11 alternatives
echo -e "x-config\nx-setup\n$X11" > dependencies/x-window-system.dep
;;
xorg7 )
echo -e "rman\nxterm2\nxorg7-driver\nxorg7-server\nluit\nxorg7-font\n \
xorg7-data\nxorg7-app\nxbitmaps\nmesalib\nlibdrm\n \
xorg7-lib\nxorg7-util\nxorg7-proto" > dependencies/xorg7.dep
;;
* ) xsltproc --stringparam dependencies $DEP_LV \
-o dependencies/$DEP.dep ../libs/dependencies.xsl ../$DEP_XML
;;
esac
fi
#------------------
# If needed, process its dependencies
if [[ -f dependencies/$DEP.dep ]] ; then
# If a premade xinclude file esist, include it
if [[ -f xincludes/$DEP.xinc ]] ; then
IFS=$'\x0A'
for line2 in `cat xincludes/$DEP.xinc` ; do
IFS=$saveIFS
# Remove the Xinclude entry if found
sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
# Write the XInclude
echo -e "$line2" >> xincludes/$PKG.xinc.tmp
done
#------------------
# Create the xinclude file
else
#
# >>>>>> THIS IS A RECURSIVE FUNCTION CALL.. BEWARE OF GREMLINS. <<<<<<
#
# If the recursion depth is not too great this is an acceptable methodology for a script language
# However, uncontrolled recursion will cause a seg-fault due to stack issues with local variables.
#
set +e
[[ "${VERBOSITY}" > 0 ]] && echo -ne "\ncall: $((++cntr))${spaceSTR:0:$cntr}${RED}$DEP${OFF}"
do_dependencies $DEP
[[ "${VERBOSITY}" > 0 ]] && echo -ne "\n ret: $cntr${spaceSTR:0:$((cntr--))}${GREEN}$DEP${OFF} Using $DEP Xinc to solve $PKG"
set -e
# Include it when done
IFS=$'\x0A'
for line2 in `cat xincludes/$DEP.xinc` ; do
IFS=$saveIFS
# Remove the Xinclude entry if found
sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
# Write the XInclude
echo -e "$line2" >> xincludes/$PKG.xinc.tmp
done
fi
fi
done
#------------------
if [[ "$PKG" = "xorg7" ]] ; then
# Add their XInclude
PKG_XML=`grep "^$PKG[[:space:]]" ../packages | cut -f2`
echo -e " $ENTRY_START$PKG_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
fi
#------------------
mv xincludes/$PKG.xinc.tmp xincludes/$PKG.xinc
IFS=$'\x0A'
for line in `cat xincludes/$PKG.xinc` ; do
IFS=$saveIFS
# Remove the Xinclude entry if found.
sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
# Write the XInclude
echo -e "$line" >> $TARGET-index.xml.tmp
done
}