xref: /openbmc/qemu/scripts/archive-source.sh (revision 406d2aa2)
1#!/bin/bash
2#
3# Author: Fam Zheng <famz@redhat.com>
4#
5# Archive source tree, including submodules. This is created for test code to
6# export the source files, in order to be built in a different environment,
7# such as in a docker instance or VM.
8#
9# This code is licensed under the GPL version 2 or later.  See
10# the COPYING file in the top-level directory.
11
12error() {
13    printf %s\\n "$*" >&2
14    exit 1
15}
16
17if test $# -lt 1; then
18    error "Usage: $0 <output tarball>"
19fi
20
21tar_file=`realpath "$1"`
22list_file="${tar_file}.list"
23vroot_dir="${tar_file}.vroot"
24
25# We want a predictable list of submodules for builds, that is
26# independent of what the developer currently has initialized
27# in their checkout, because the build environment is completely
28# different to the host OS.
29submodules="dtc ui/keycodemapdb"
30
31trap "status=$?; rm -rf \"$list_file\" \"$vroot_dir\"; exit \$status" 0 1 2 3 15
32
33if git diff-index --quiet HEAD -- &>/dev/null
34then
35    HEAD=HEAD
36else
37    HEAD=`git stash create`
38fi
39git clone --shared . "$vroot_dir"
40test $? -ne 0 && error "failed to clone into '$vroot_dir'"
41
42cd "$vroot_dir"
43test $? -ne 0 && error "failed to change into '$vroot_dir'"
44
45git checkout $HEAD
46test $? -ne 0 && error "failed to checkout $HEAD revision"
47
48for sm in $submodules; do
49    git submodule update --init $sm
50    test $? -ne 0 && error "failed to init submodule $sm"
51done
52
53if test -n "$submodules"; then
54    {
55        git ls-files || error "git ls-files failed"
56        for sm in $submodules; do
57            (cd $sm; git ls-files) | sed "s:^:$sm/:"
58            if test "${PIPESTATUS[*]}" != "0 0"; then
59                error "git ls-files in submodule $sm failed"
60            fi
61        done
62    } | grep -x -v $(for sm in $submodules; do echo "-e $sm"; done) > "$list_file"
63else
64    git ls-files > "$list_file"
65fi
66
67if test $? -ne 0; then
68    error "failed to generate list file"
69fi
70
71tar -cf "$tar_file" -T "$list_file" || error "failed to create tar file"
72
73exit 0
74