qemu/scripts/archive-source.sh
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   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