qemu/scripts/archive-source.sh
Philippe Mathieu-Daudé d3b442654c archive-source.sh: Clone the submodules locally
We cloned the QEMU repository from the local storage. Since the
submodules are also available there, clone them too. This is
quicker and reduce network use.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
[AJB: incorporated review suggestions from danpb]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-02-08 17:32:35 +00:00

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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 "$1")
list_file="${tar_file}.list"
vroot_dir="${tar_file}.vroot"
# We want a predictable list of submodules for builds, that is
# independent of what the developer currently has initialized
# in their checkout, because the build environment is completely
# different to the host OS.
submodules="dtc ui/keycodemapdb tests/fp/berkeley-softfloat-3 tests/fp/berkeley-testfloat-3"
trap "status=$?; rm -rf \"$list_file\" \"$vroot_dir\"; exit \$status" 0 1 2 3 15
if git diff-index --quiet HEAD -- &>/dev/null
then
HEAD=HEAD
else
HEAD=$(git stash create)
fi
git clone --shared . "$vroot_dir"
test $? -ne 0 && error "failed to clone into '$vroot_dir'"
for sm in $submodules; do
if test -d "$sm/.git"
then
git clone --shared "$sm" "$vroot_dir/$sm"
test $? -ne 0 && error "failed to clone submodule $sm"
fi
done
cd "$vroot_dir"
test $? -ne 0 && error "failed to change into '$vroot_dir'"
git checkout $HEAD
test $? -ne 0 && error "failed to checkout $HEAD revision"
for sm in $submodules; do
git submodule update --init $sm
test $? -ne 0 && error "failed to init submodule $sm"
done
if test -n "$submodules"; then
{
git ls-files || error "git ls-files failed"
for sm in $submodules; do
(cd $sm; git ls-files) | sed "s:^:$sm/:"
if test "${PIPESTATUS[*]}" != "0 0"; then
error "git ls-files in submodule $sm failed"
fi
done
} | grep -x -v $(for sm in $submodules; do echo "-e $sm"; done) > "$list_file"
else
git ls-files > "$list_file"
fi
if test $? -ne 0; then
error "failed to generate list file"
fi
tar -cf "$tar_file" -T "$list_file" || error "failed to create tar file"
exit 0