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#!/bin/sh
#
# Copyright (C) 2009-2020 Internet Systems Consortium, Inc. ("ISC")
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
#
# Get the bind sources from BIND9 repository.
# This script is used to build the DHCP distribution and shouldn't be shipped
#
# Usage (from main DHCP directory):
#
# sh util/bind.sh [--remote=<path>] <DHCP version>
#
# The script recreates whole bind/ directory. Before running it, make sure
# there are no files that that'd you'd be unhappy to lose.
#
# Earlier versions of this script used BIND's kit.sh script that produced
# tarballs for export libraries. Sadly, it was not maintained well and
# didn't work for later versions. Thus the import has changed. It now uses
# git clone/git checkout <tag> to get the bind sources.
#
# This approach imports all files from BIND9 repo (including those we don't
# care about, such as win32 files). As a result of this, the dhcp tarball
# will get a bit bigger. On the flip side, the import is super generic
# and can import any versions, you have the ability to review changes
# before commiting them and it's also very easy to tell what exactly
# has changed between BIND releases.
# BIND9 update procedure
#
# 1. Get a clean DHCP repo. Cloning fresh works best, but you could also
# do: git reset --hard; git checkout master; git clean -fxd
# 2. edit the list with corresponding versions below (around line 100)
# 3. do: sh util/bind.sh 4.4.3
# 4. commit all new and changed files in bind/bind9. NOTE: there is a
# bind/bind9/.gitignore that comes from bind repo that hides some
# of the files. Make sure you commit only those that are really
# needed, not some generated during compilation.
# 5. test that it compiles, dist, distcheck works etc.
# 6. push your changes
topdir=`pwd`
binddir=$topdir/bind
# repo_host and repo_path are used together to from urls for wget calls
# to fetch the version and kit.sh files, and then also as the --remote
# argument passed into kit.sh
repo_host="gitlab.isc.org"
repo_path="isc-projects/bind9"
while :
do
case "${1:-}" in
--repo_host=*)
repo_host="${1}";
shift
continue
;;
--repo_path=*)
repo_path="${1}";
shift
continue
;;
esac
break;
done
case $# in
1)
case "$1" in
###
### Robie calls this script with the building branch name so we can
### build with BIND9 HEAD for the relevant branch we would release
### with.
###
### XXX: We can't use the 'snapshot' syntax right now because kit.sh
### pulls the version.tmp off the branch name, and then stores a
### tarball with vastly different values. So the version.tmp can not
### be used to chdir down into the directory that is unpacked.
###
v4_2) noSNAP=snapshot BINDTAG=v9_9 ;;
v4_3) noSNAP=snapshot BINDTAG=v9_9 ;;
v4_4) noSNAP=snapshot BINDTAG=v9_11 ;;
HEAD|v[0-9]_[0-9].*) noSNAP=snapshot BINDTAG=v9_11 ;;
### HEAD|v[0-9]_[0-9].*) noSNAP=snapshot BINDTAG=HEAD ;;
###
### For ease of use, this records the sticky tag of versions
### released with each point release.
###
4.4.3) BINDTAG=v9_11_36 ;;
4.4.2) noSNAP=snapshot BINDTAG=v9_11_14 ;;
4.4.2b1) noSNAP=snapshot BINDTAG=v9_11_14 ;;
4.4.2-dev) noSNAP=snapshot BINDTAG=v9_11_8 ;;
4.4.1) noSNAP=snapshot BINDTAG=v9_11_2_P1 ;;
4.4.0) noSNAP=snapshot BINDTAG=v9_11_2_P1 ;;
4.4.0b1) noSNAP=snapshot BINDTAG=v9_11_2 ;;
4.4.0a1) noSNAP=snapshot BINDTAG=v9_11_2 ;;
4.3.4|4.3.4b1) BINDTAG=v9_9_8_P4 ;;
4.3.3) BINDTAG=v9_9_7_P3 ;;
4.3.3b1) BINDTAG=v9_9_7_P2 ;;
4.3.2|4.3.2rc2) BINDTAG=v9_9_7 ;;
4.3.2rc1) BINDTAG=v9_9_7rc2 ;;
4.3.2b1) BINDTAG=v9_9_7rc1 ;;
4.3.2.pre-beta) BINDTAG=v9_9_5_P1 ;;
4.3.1b1|4.3.1rc1|4.3.1) BINDTAG=v9_9_5_P1 ;;
4.3.0) BINDTAG=v9_9_5 ;;
4.3.0rc1) BINDTAG=v9_9_5rc2 ;;
4.3.0b1) BINDTAG=v9_9_5rc1 ;;
4.3.0a1) BINDTAG=v9_9_5b1 ;;
4.2.6) BINDTAG=v9_9_5 ;;
4.2.6rc1) BINDTAG=v9_9_5rc2 ;;
4.2.6b1) BINDTAG=v9_9_5rc1 ;;
4.2.5b1|4.2.5rc1|4.2.5) BINDTAG=v9_8_4_P1 ;;
4.2.4rc2|4.2.4) BINDTAG=v9_8_3 ;;
4.2.4b1|4.2.4rc1) BINDTAG=v9_8_2 ;;
4.2.3-P1|4.2.3-P2) BINDTAG=v9_8_1_P1 ;;
4.2.3rc1|4.2.3) BINDTAG=v9_8_1 ;;
4.2.2rc1|4.2.2) BINDTAG=v9_8_0_P4 ;;
4.2.1|4.2.1-P1|4.2.2b1) BINDTAG=v9_8_0 ;;
4.2.1rc1) BINDTAG=v9_8_0rc1 ;;
4.2.1b1) BINDTAG=v9_8_0b1 ;;
4.2.0rc1|4.2.0) BINDTAG=v9_7_1 ;;
4.2.0b2) BINDTAG=v9_7_1rc1 ;;
4.2.0b1) BINDTAG=v9_7_0_P1 ;;
4.2.0a2|4.2.0a1) BINDTAG=v9_7_0b3 ;;
*) echo "bind.sh: unsupported version: $1" >&2
exit 1
;;
esac
;;
*) echo "usage: sh bind.sh [--repo_host=<host>] [--repo_path=<project path>] ( <branch>|<version> )" >&2
exit 1
;;
esac
echo "Getting BIND9 version ${BINDTAG}"
if test -d bind/bind9/.git
then
echo "Detected existing bind9 repo"
cd bind/bind9
git reset --hard
git clean -fxd
git checkout main
git branch -D $BINDTAG
git pull --ff-only
git checkout $BINDTAG -b $BINDTAG
else
echo "Checking out a new repo"
# Delete all previous bind stuff
rm -rf bind
# Make and move to our directory for all things bind
mkdir -p $binddir
cp util/Makefile.bind.in bind/Makefile.in
cd $binddir
# Get the bind code of specified version. Couple tricks here:
# --single-branch will download only a history from a single branch (see --branch)
# --depth 1 will get only the latest commit
# As a result, the repo will take 68MB rather than 360MB+.
#git clone --depth 1 https://$repo_host/$repo_path --branch ${BINDTAG} --single-branch bind9
git clone https://$repo_host/$repo_path bind9
cd bind9
git checkout $BINDTAG -b $BINDTAG
fi
cd ..
# This is a bit drastic, but we don't want this 300MB+ dir to ever be commited
# into dhcp repo. Also, when it's present, it confuses git to think that the
# bind/bind9 is a sub-project.
rm -rf bind9/.git
# Now generate version
# I'm too lazy to get rid of v from v9 in the bindtag. But that's ok.
# We'll never have any other number here than 9.
MAJORVER="9"
MINORVER="$(echo ${BINDTAG} | cut -d'_' -f2)"
PATCHVER="$(echo ${BINDTAG} | cut -d'_' -f3)"
RELEASETYPE=
RELEASEVER=
EXTENSIONS=
cat <<EOF >version.tmp
# This file must follow /bin/sh rules. It is imported directly via
# configure.
#
PRODUCT=BIND
DESCRIPTION="(Extended Support Version)"
MAJORVER=${MAJORVER}
MINORVER=${MINORVER}
PATCHVER=${PATCHVER}
RELEASETYPE=${RELEASETYPE}
RELEASEVER=${RELEASEVER}
EXTENSIONS=${EXTENSIONS}
EOF
cd ..
echo "BIND9 ${BINDTAG} import complete."
echo "BIND9 sources available in bind/bind9."
echo "If you want to commit them to dhcp repository, do the following:"
echo ""
echo "1. git add <all new and changes files in bind/bind9>"
echo "2. git commit"
echo ""
echo "Before commiting, please make sure the code compiles and works."
echo "Before compiling, make sure to run ./configure."
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