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#!/bin/sh -e
#
# Compresses files and makes sure that symlinks pointing to the
# compressed files get fixed.
PATH=debian:$PATH:/usr/lib/debhelper
. dh_lib
# Returns a list of all the files that we want to compress,
# (ignoring any files we were asked to exclude on the command
# line). Assummes we are already in the temp directory.
filelist () {
if [ "$compress" ]; then
# The config file is a sh script that outputs the files to be compressed
# (typically using find).
sh $olddir/$compress 2>/dev/null
else
# By default fall back on what the policy manual says to compress.
find usr/info usr/man usr/X11*/man -type f ! -name "*.gz" 2>/dev/null || true
find usr/doc -type f \( -size +4k -or -name "changelog*" \) \
! -name "*.htm*" ! -name "*.gif" ! -name "*.gz" \
! -name "copyright" 2>/dev/null || true
fi
}
# Returns a list of all the files we want to compress,
# after taking command line exclusions into account.
# Call only if DH_EXCLUDE_GREP is non-empty.
filelist_excluded () {
# Use grep -F so we don't have to worry about regexp's.
(filelist | grep -v -F \
"`echo "$DH_EXCLUDE_GREP" | tr "|" "\n"`") || true
}
for PACKAGE in $DH_DOPACKAGES; do
TMP=`tmpdir $PACKAGE`
compress=`pkgfile $PACKAGE compress`
# Run the file name gathering commands from within the directory
# structure that will be effected.
olddir=`pwd`
# Can't use doit here, that breaks --no-act mode.
verbose_echo "cd $TMP"
cd "$TMP"
# Get the list of files to compress.
if [ "$DH_EXCLUDE_GREP" ]; then
files=`filelist_excluded`
else
files=`filelist`
fi
if [ "$files" ]; then
# This is just a cosmetic fix.
files=`echo $files | tr "\n" " "`
doit "gzip -f9 $files" || true
fi
# Change back to old pwd.
verbose_echo "cd $olddir"
cd "$olddir"
# Fix up symlinks that were pointing to the uncompressed files.
for file in `find $TMP -type l`; do
DIRECTORY=`expr $file : "\(.*\)/[^/]*"`
NAME=`expr $file : ".*/\([^/]*\)"`
LINKVAL=`ls -l $DIRECTORY/$NAME | awk '{ print $11;}'`
if [ ! -e $DIRECTORY/$LINKVAL -a -f $DIRECTORY/$LINKVAL.gz ]; then
doit "rm $DIRECTORY/$NAME"
doit "ln -s $LINKVAL.gz $DIRECTORY/$NAME.gz"
fi
done
done
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