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 subprojects="dtc keycodemapdb libvfio-user berkeley-softfloat-3 berkeley-testfloat-3"
  30 sub_deinit=""
  31
  32 function cleanup() {
  33     local status=$?
  34     rm -rf "$sub_tdir"
  35     if test "$sub_deinit" != ""; then
  36         git submodule deinit $sub_deinit
  37     fi
  38     exit $status
  39 }
  40 trap "cleanup" 0 1 2 3 15
  41
  42 function tree_ish() {
  43     local retval='HEAD'
  44     if ! git diff-index --quiet --ignore-submodules=all HEAD -- &>/dev/null
  45     then
  46         retval=$(git stash create)
  47     fi
  48     echo "$retval"
  49 }
  50
  51 git archive --format tar "$(tree_ish)" > "$tar_file"
  52 test $? -ne 0 && error "failed to archive qemu"
  53
  54 for sp in $subprojects; do
  55     meson subprojects download $sp
  56     test $? -ne 0 && error "failed to download subproject $sp"
  57     tar --append --file "$tar_file" --exclude=.git subprojects/$sp
  58     test $? -ne 0 && error "failed to append subproject $sp to $tar_file"
  59 done
  60 exit 0