xref: /openbmc/qemu/scripts/archive-source.sh (revision 1188b07e606e52ba6efd69d97a9909e00d2bb70e) 
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 "$1")
22sub_tdir=$(mktemp -d "${tar_file%.tar}.sub.XXXXXXXX")
23sub_file="${sub_tdir}/submodule.tar"
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.
29subprojects=(
30  anyhow-1-rs
31  arbitrary-int-1-rs
32  attrs-0.2-rs
33  berkeley-softfloat-3
34  berkeley-testfloat-3
35  bilge-0.2-rs
36  bilge-impl-0.2-rs
37  either-1-rs
38  foreign-0.3-rs
39  glib-sys-0.21-rs
40  itertools-0.11-rs
41  keycodemapdb
42  libc-0.2-rs
43  libvfio-user
44  proc-macro-error-1-rs
45  proc-macro-error-attr-1-rs
46  proc-macro2-1-rs
47  quote-1-rs
48  syn-2-rs
49  unicode-ident-1-rs
50)
51sub_deinit=""
52
53function cleanup() {
54    local status=$?
55    rm -rf "$sub_tdir"
56    if test "$sub_deinit" != ""; then
57        git submodule deinit $sub_deinit
58    fi
59    exit $status
60}
61trap "cleanup" 0 1 2 3 15
62
63function tree_ish() {
64    local retval='HEAD'
65    if ! git diff-index --quiet --ignore-submodules=all HEAD -- &>/dev/null
66    then
67        retval=$(git stash create)
68    fi
69    echo "$retval"
70}
71
72function subproject_dir() {
73    if test ! -f "subprojects/$1.wrap"; then
74      error "scripts/archive-source.sh should only process wrap subprojects"
75    fi
76
77    # Print the directory key of the wrap file, defaulting to the
78    # subproject name.  The wrap file is in ini format and should
79    # have a single section only.  There should be only one section
80    # named "[wrap-*]", which helps keeping the script simple.
81    local dir
82    dir=$(sed -n \
83      -e '/^\[wrap-[a-z][a-z]*\]$/,/^\[/{' \
84      -e    '/^directory *= */!b' \
85      -e    's///p' \
86      -e    'q' \
87      -e '}' \
88      "subprojects/$1.wrap")
89
90    echo "${dir:-$1}"
91}
92
93git archive --format tar "$(tree_ish)" > "$tar_file"
94test $? -ne 0 && error "failed to archive qemu"
95
96meson subprojects download ${subprojects[@]} >/dev/null
97test $? -ne 0 && error "failed to download subprojects $subprojects"
98
99for sp in "${subprojects[@]}"; do
100    tar --append --file "$tar_file" --exclude=.git subprojects/"$(subproject_dir $sp)"
101    test $? -ne 0 && error "failed to append subproject $sp to $tar_file"
102done
103exit 0
104