qemu-e2k/scripts/archive-source.sh
Mao Zhongyi 934821ebae archive-source.sh: Modern shell scripting (use $() instead of ``)
Various shell files contain a mix between obsolete ``
and modern $(); It would be nice to convert to using $()
everywhere.

Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2018-10-16 18:34:19 +02:00

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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="${tar_file}.vroot"
# We want a predictable list of submodules for builds, that is
# independent of what the developer currently has initialized
# in their checkout, because the build environment is completely
# different to the host OS.
submodules="dtc ui/keycodemapdb"
trap "status=$?; 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'"
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