#!/bin/dash
set -e
# $1: dfile, $2: link target, $3: distrib
replace_with_link() {
dfile="$1"; ltarget=$2; distrib="$DPKG_ROOT$3"
temp="$dfile.tmp"
[ -e "$DPKG_ROOT$dfile" ] || [ -L "$DPKG_ROOT$dfile" ] && dfile_exists=yes
# Safely create a symlink to $ltarget at $dfile, first
# making a backup of $dfile (the file being diverted)
# in $distrib (if specified).
#
# The cp / ln -s / mv dance avoids having to live without
# $dfile (think: /bin/sh) for even a moment, so applications
# running in parallel can continue without trouble.
if [ -n "$distrib" ] && [ -e "$DPKG_ROOT$dfile" ]; then
cp -dp "$DPKG_ROOT$dfile" "$distrib"
fi
ln -sf "$ltarget" "$DPKG_ROOT$temp"
mv -f "$DPKG_ROOT$temp" "$DPKG_ROOT$dfile"
# Since man-db stores symlink modification times in its index.db we
# need to set a reproducible mtime. We only do that for new symlinks
# (if dfile doesn't exist yet) to avoid changing to a lower mtime
# which breaks backup tools.
targetrealpath="$DPKG_ROOT$(dpkg-realpath "$dfile")"
if [ -e "$targetrealpath" ] && [ "$dfile_exists" != "yes" ]; then
touch --no-dereference --reference="$targetrealpath" "$DPKG_ROOT$dfile"
fi
}
claim_binsh() {
dfile=$1 ltarget=$2 distrib=${3:-$dfile.distrib}
diverter=$(dpkg-divert --listpackage $dfile)
truename=$(dpkg-divert --truename $dfile)
if [ -z "$diverter" ]; then
# good.
return
fi
if [ "$diverter" = LOCAL ]; then
# The sysadmin wants it this way. Who am I to argue?
return
fi
if [ "$diverter" != bash ]; then
# Let dpkg-divert error out; we are not removing the
# diversion, unless we added it
# ourselves on behalf of bash.
dpkg-divert --package dash --no-rename --remove $dfile
echo "This should never be reached"
exit 1
fi
dpkg-divert --package bash --no-rename --remove $dfile
# remove the old equivalent of $distrib, if it existed.
if [ -n "$DPKG_ROOT$truename" ]; then
rm -f "$DPKG_ROOT$truename"
fi
replace_with_link $dfile $ltarget $distrib
}
drop_obsolete_diversion() {
dfile=$1 ltarget=$2 distrib=${3:-$dfile.distrib}
diverter=$(dpkg-divert --listpackage "$dfile")
truename=$(dpkg-divert --truename "$dfile")
actualtarget=$(readlink "$dfile") || actualtarget=$ltarget
if [ "$diverter" != dash ] || [ "$truename" != "$distrib" ] || [ "$actualtarget" != "$ltarget" ]; then
# Not our diversion or a non-trivial one.
return
fi
dpkg-divert --package dash --no-rename --remove "$dfile"
rm -f "$truename"
}
if [ "$1" = configure ] && dpkg --compare-versions "$2" lt 0.5.12-3~; then
drop_obsolete_diversion /bin/sh dash
drop_obsolete_diversion /usr/share/man/man1/sh.1.gz dash.1.gz /usr/share/man/man1/sh.distrib.1.gz
fi
claim_binsh /bin/sh dash
if [ -d "$DPKG_ROOT/usr/share/man/man1/" ]; then
claim_binsh /usr/share/man/man1/sh.1.gz dash.1.gz \
/usr/share/man/man1/sh.distrib.1.gz
fi
# Automatically added by dh_installmenu/13.14.1ubuntu5
if [ "$1" = "configure" ] && [ -x "`command -v update-menus`" ] && [ -x "$DPKG_ROOT`command -v update-menus`" ]; then
update-menus
fi
# End automatically added section
Mini Shell