postinst is in ca-certificates 20130906ubuntu2.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
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# postinst script for ca-certificates
#
# see: dh_installdeb(1)
# summary of how this script can be called:
# * <postinst> `configure' <most-recently-configured-version>
# * <old-postinst> `abort-upgrade' <new version>
# * <conflictor's-postinst> `abort-remove' `in-favour' <package>
# <new-version>
# * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
# <failed-install-package> <version> `removing'
# <conflicting-package> <version>
# for details, see /usr/share/doc/packaging-manual/
#
# quoting from the policy:
# Any necessary prompting should almost always be confined to the
# post-installation script, and should be protected with a conditional
# so that unnecessary prompting doesn't happen if a package's
# installation fails and the `postinst' is called with `abort-upgrade',
# `abort-remove' or `abort-deconfigure'.
set -e
each_value() {
echo "$1" |tr ',' '\n' | sed -e 's/^[[:space:]]*//'
}
memberp() {
m="$1"
l="$2"
each_value "$l" | grep -q "^$m\$"
}
delca() {
m="$1"
l="$2"
echo "$l" |sed -e 's|'"$m"', ||' -e 's|'"$m"'$||' -e 's/,[[:space:]]*,/, /' -e 's/^[[:space:]]*//' -e 's/,[[:space:]]*$//'
}
case "$1" in
configure)
if [ ! -e /usr/local/share/ca-certificates ]
then
if mkdir /usr/local/share/ca-certificates 2>/dev/null
then
chown root:staff /usr/local/share/ca-certificates
chmod 2775 /usr/local/share/ca-certificates
fi
fi
. /usr/share/debconf/confmodule
db_version 2.0
db_capb multiselect
db_metaget ca-certificates/enable_crts choices
CERTS_AVAILABLE="$RET"
db_get ca-certificates/enable_crts
CERTS_ENABLED="$RET"
# XXX unmark seen for next configuration
db_fset ca-certificates/new_crts seen false
db_stop || true
if test -f /etc/ca-certificates.conf; then
# XXX: while in subshell?
while read line
do
if echo "$line" | grep -q '^#'; then
echo "$line"
else
case "$line" in
!*) ca=$(echo "$line" | sed -e 's/^!//');;
*) ca="$line";;
esac
if memberp "$ca" "$CERTS_ENABLED"; then
echo "$ca"
# CERTS_ENABLED=$(delca "$ca" "$CERTS_ENABLED")
elif memberp "$ca" "$CERTS_AVAILABLE" ||
echo "$line" | grep -q '^!'; then
echo "!$ca"
elif [ -f /usr/share/ca-certificates/"$ca" ] || \
[ -f /usr/local/share/ca-certificates/"$ca" ]; then
echo "$ca"
else
echo "!$ca"
fi
# CERTS_AVAILABLE=$(delca "$ca" "$CERTS_AVAILABLE")
fi
done < /etc/ca-certificates.conf > /etc/ca-certificates.conf.dpkg-new
if echo "$CERTS_ENABLED" | egrep -q "^([[:space:]]*,)*[[:space:]]*$"; then
:
else
each_value "$CERTS_ENABLED" | while read ca
do
if grep -q "^$ca" /etc/ca-certificates.conf.dpkg-new; then
:
else
echo "$ca" >> /etc/ca-certificates.conf.dpkg-new
fi
done
fi
each_value "$CERTS_AVAILABLE" | while read ca
do
if memberp "$ca" "$CERTS_ENABLED"; then
:
elif grep -q "^!$ca" /etc/ca-certificates.conf.dpkg-new; then
:
else
echo "!$ca" >> /etc/ca-certificates.conf.dpkg-new
fi
done
if cmp -s /etc/ca-certificates.conf /etc/ca-certificates.conf.dpkg-new; then
rm -f /etc/ca-certificates.conf.dpkg-new
else
mv -f /etc/ca-certificates.conf /etc/ca-certificates.conf.dpkg-old
mv /etc/ca-certificates.conf.dpkg-new /etc/ca-certificates.conf
fi
else
# new file
cat > /etc/ca-certificates.conf <<EOF
# This file lists certificates that you wish to use or to ignore to be
# installed in /etc/ssl/certs.
# update-ca-certificates(8) will update /etc/ssl/certs by reading this file.
#
# This is autogenerated by dpkg-reconfigure ca-certificates.
# Certificates should be installed under /usr/share/ca-certificates
# and files with extension '.crt' is recognized as available certs.
#
# line begins with # is comment.
# line begins with ! is certificate filename to be deselected.
#
EOF
(echo $CERTS_ENABLED | tr ',' '\n'; \
echo $CERTS_AVAILABLE | tr ',' '\n') | \
sed -e 's/^[[:space:]]*//' | \
sort | uniq -c | \
sed -e 's/^[[:space:]]*2[[:space:]]*//' \
-e 's/^[[:space:]]*1[[:space:]]*/!/' \
>> /etc/ca-certificates.conf
fi
# fix bogus symlink to ca-certificates.crt on upgrades; see
# Debian #643667; drop after wheezy
if dpkg --compare-versions "$2" lt-nl 20111025; then
dpkg-trigger --no-await update-ca-certificates-fresh
else
dpkg-trigger --no-await update-ca-certificates
fi
;;
triggered)
for trigger in $2; do
case "$trigger" in
update-ca-certificates)
update-ca-certificates
;;
update-ca-certificates-fresh)
update-ca-certificates --fresh
;;
*)
echo "postinst called with unknown trigger \`$2'">&2
exit 1
;;
esac;
done;
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0
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