Merge remote-tracking branch 'remotes/alistair23/tags/pull-riscv-to-apply-20210921...
[qemu.git] / scripts / archive-source.sh
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
12 error() {
13 printf %s\\n "$*" >&2
14 exit 1
15 }
16
17 if test $# -lt 1; then
18 error "Usage: $0 <output tarball>"
19 fi
20
21 tar_file=$(realpath "$1")
22 sub_tdir=$(mktemp -d "${tar_file%.tar}.sub.XXXXXXXX")
23 sub_file="${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.
29 submodules="dtc slirp meson ui/keycodemapdb"
30 submodules="$submodules tests/fp/berkeley-softfloat-3 tests/fp/berkeley-testfloat-3"
31 sub_deinit=""
32
33 function cleanup() {
34 local status=$?
35 rm -rf "$sub_tdir"
36 if test "$sub_deinit" != ""; then
37 git submodule deinit $sub_deinit
38 fi
39 exit $status
40 }
41 trap "cleanup" 0 1 2 3 15
42
43 function tree_ish() {
44 local retval='HEAD'
45 if ! git diff-index --quiet --ignore-submodules=all HEAD -- &>/dev/null
46 then
47 retval=$(git stash create)
48 fi
49 echo "$retval"
50 }
51
52 git archive --format tar "$(tree_ish)" > "$tar_file"
53 test $? -ne 0 && error "failed to archive qemu"
54 for sm in $submodules; do
55 status="$(git submodule status "$sm")"
56 smhash="${status#[ +-]}"
57 smhash="${smhash%% *}"
58 case "$status" in
59 -*)
60 sub_deinit="$sub_deinit $sm"
61 git submodule update --init "$sm"
62 test $? -ne 0 && error "failed to update submodule $sm"
63 ;;
64 +*)
65 echo "WARNING: submodule $sm is out of sync"
66 ;;
67 esac
68 (cd $sm; git archive --format tar --prefix "$sm/" $(tree_ish)) > "$sub_file"
69 test $? -ne 0 && error "failed to archive submodule $sm ($smhash)"
70 tar --concatenate --file "$tar_file" "$sub_file"
71 test $? -ne 0 && error "failed append submodule $sm to $tar_file"
72 done
73 exit 0