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|
#!/bin/sh
set -x
#
# Copyright (C) 2021 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
set -e
usage()
{
echo "$0 <tag> <output directory> [-j N] [-T N]"
echo " -j N use at most N download jobs to run in parallel;"
echo " the default is 4;"
echo " -T N use at most N threads to compress the tarball;"
echo " the default is 1; set to 0 to use as many threads"
echo " as there are processor cores"
exit 1
}
jobs=4
threads=1
get_option()
{
option="$1"
value="$2"
if [ "${option}" = "-T" ] ; then
threads="${value}"
elif [ "${option}" = "-j" ] ; then
jobs="${value}"
else
usage
fi
}
get_revision()
{
repo="$1"
shift 1
git -C "${repo}" --no-pager log --oneline --format='%H' $@
}
checkout_revision()
{
repo="$1"
given_revision="$2"
# TODO: handle multiple remotes
# Make sure to have the revision
git -C "${repo}" fetch $(git -C "${repo}" remote) "${given_revision}"
current_revision="$(get_revision ${repo} HEAD -1)"
desired_revision="$(get_revision ${repo} ${given_revision})"
if [ "${current_revision}" != "${desired_revision}" ] ; then
git -C "${repo}" checkout "${given_revision}"
fi
}
if [ $# -ne 2 -a $# -ne 4 -a $# -ne 6 ] ; then
usage
elif [ $# -eq 4 ] ; then
get_option "$3" "$4"
elif [ $# -eq 6 ] ; then
if [ "$3" = "$5" ] ; then
usage
fi
get_option "$3" "$4"
get_option "$5" "$6"
fi
tag="$1"
outdir="$2"
replicant_dir="${outdir}/${tag}"
repo_branch="refs/tags/${tag}"
version="$(echo ${tag} | sed 's/replicant-//')"
major_version="$(echo ${version} | sed 's/-.*//')"
minor_version="$(echo ${version} | sed 's/.*-//')"
mkdir -p "${replicant_dir}"
cd "${replicant_dir}"
if [ ! -d .repo ] ; then
yes | repo init \
-u https://git.replicant.us/replicant/manifest.git \
-b "${repo_branch}" \
--depth=1 || rm -rf .repo/
fi
for repo in $(repo list | awk '{print $1}') ; do
checkout_revision "${repo}" "${tag}"
done
# We have an issue with all the Replicant releases before Replicant 6.0-0001:
# All the manifests use git://, however over the time we moved several git
# repositories and wrote some apache redirect rules to handle that.
# Due to that, only http:// and https:// work fine.
# This should be fixed in all the replicant-<version>-dev branches, however
# we cannot use that here as we are making tarballs of former releases.
if [ $(echo ${major_version} | sed 's/\..*//') -lt 6 ] ; then
sed 's#git://#https://#g' -i \
.repo/manifests/default.xml
fi
repo sync -j "${jobs}"
# We want the exact same source code used to build the images, so we need to
# remove all the modifications we did to enable fetching the source code
if [ $(echo $major_version | sed 's/\..*//') -lt 6 ] ; then
git -C .repo/manifests reset --hard
fi
cd ..
tarball="${tag}.tar"
if [ ! -f "${tarball}" ] && [ ! -f "${tarball}.xz" ] ; then
tar cf "${tarball}" "${replicant_dir}" || rm -f "${tarball}"
fi
# TODO: Make the tarball reproducible by removing metadata
xz -T "${threads}" -9e --verbose "${tarball}"
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