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#!/bin/bash
#
# Author: Fam Zheng <famz@redhat.com>
#
# Archive source tree, including submodules. This is created for test code to
# export the source files, in order to be built in a different environment,
# such as in a docker instance or VM.
#
# This code is licensed under the GPL version 2 or later. See
# the COPYING file in the top-level directory.
error() {
printf %s\\n "$*" >&2
exit 1
}
if test $# -lt 1; then
error "Usage: $0 <output tarball>"
fi
tar_file=$(realpath "$1")
sub_tdir=$(mktemp -d "${tar_file%.tar}.sub.XXXXXXXX")
sub_file="${sub_tdir}/submodule.tar"
# We want a predictable list of submodules for builds, that is
# independent of what the developer currently has initialized
# in their checkout, because the build environment is completely
# different to the host OS.
subprojects="keycodemapdb libvfio-user berkeley-softfloat-3
berkeley-testfloat-3 arbitrary-int-1-rs bilge-0.2-rs
bilge-impl-0.2-rs either-1-rs itertools-0.11-rs proc-macro2-1-rs
proc-macro-error-1-rs proc-macro-error-attr-1-rs quote-1-rs
syn-2-rs unicode-ident-1-rs"
sub_deinit=""
function cleanup() {
local status=$?
rm -rf "$sub_tdir"
if test "$sub_deinit" != ""; then
git submodule deinit $sub_deinit
fi
exit $status
}
trap "cleanup" 0 1 2 3 15
function tree_ish() {
local retval='HEAD'
if ! git diff-index --quiet --ignore-submodules=all HEAD -- &>/dev/null
then
retval=$(git stash create)
fi
echo "$retval"
}
function subproject_dir() {
if test ! -f "subprojects/$1.wrap"; then
error "scripts/archive-source.sh should only process wrap subprojects"
fi
# Print the directory key of the wrap file, defaulting to the
# subproject name. The wrap file is in ini format and should
# have a single section only. There should be only one section
# named "[wrap-*]", which helps keeping the script simple.
local dir
dir=$(sed -n \
-e '/^\[wrap-[a-z][a-z]*\]$/,/^\[/{' \
-e '/^directory *= */!b' \
-e 's///p' \
-e 'q' \
-e '}' \
"subprojects/$1.wrap")
echo "${dir:-$1}"
}
git archive --format tar "$(tree_ish)" > "$tar_file"
test $? -ne 0 && error "failed to archive qemu"
for sp in $subprojects; do
meson subprojects download $sp
test $? -ne 0 && error "failed to download subproject $sp"
tar --append --file "$tar_file" --exclude=.git subprojects/"$(subproject_dir $sp)"
test $? -ne 0 && error "failed to append subproject $sp to $tar_file"
done
exit 0
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