cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

archive-source.sh (2157B)

      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.
     29submodules="dtc slirp meson ui/keycodemapdb"
     30submodules="$submodules tests/fp/berkeley-softfloat-3 tests/fp/berkeley-testfloat-3"
     31sub_deinit=""
     32
     33function cleanup() {
     34    local status=$?
     35    rm -rf "$sub_tdir"
     36    if test "$sub_deinit" != ""; then
     37        git submodule deinit $sub_deinit
     38    fi
     39    exit $status
     40}
     41trap "cleanup" 0 1 2 3 15
     42
     43function tree_ish() {
     44    local retval='HEAD'
     45    if ! git diff-index --quiet --ignore-submodules=all HEAD -- &>/dev/null
     46    then
     47        retval=$(git stash create)
     48    fi
     49    echo "$retval"
     50}
     51
     52git archive --format tar "$(tree_ish)" > "$tar_file"
     53test $? -ne 0 && error "failed to archive qemu"
     54for 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"
     72done
     73exit 0