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 "$1")
  22 list_file="${tar_file}.list"
  23 vroot_dir="${tar_file}.vroot"
  24
  25 # We want a predictable list of submodules for builds, that is
  26 # independent of what the developer currently has initialized
  27 # in their checkout, because the build environment is completely
  28 # different to the host OS.
  29 submodules="dtc ui/keycodemapdb tests/fp/berkeley-softfloat-3 tests/fp/berkeley-testfloat-3"
  30
  31 trap "status=$?; rm -rf \"$list_file\" \"$vroot_dir\"; exit \$status" 0 1 2 3 15
  32
  33 if git diff-index --quiet HEAD -- &>/dev/null
  34 then
  35     HEAD=HEAD
  36 else
  37     HEAD=$(git stash create)
  38 fi
  39 git clone --shared . "$vroot_dir"
  40 test $? -ne 0 && error "failed to clone into '$vroot_dir'"
  41 for sm in $submodules; do
  42     if test -d "$sm/.git"
  43     then
  44        git clone --shared "$sm" "$vroot_dir/$sm"
  45        test $? -ne 0 && error "failed to clone submodule $sm"
  46     fi
  47 done
  48
  49 cd "$vroot_dir"
  50 test $? -ne 0 && error "failed to change into '$vroot_dir'"
  51
  52 git checkout $HEAD
  53 test $? -ne 0 && error "failed to checkout $HEAD revision"
  54
  55 for sm in $submodules; do
  56     git submodule update --init $sm
  57     test $? -ne 0 && error "failed to init submodule $sm"
  58 done
  59
  60 if test -n "$submodules"; then
  61     {
  62         git ls-files || error "git ls-files failed"
  63         for sm in $submodules; do
  64             (cd $sm; git ls-files) | sed "s:^:$sm/:"
  65             if test "${PIPESTATUS[*]}" != "0 0"; then
  66                 error "git ls-files in submodule $sm failed"
  67             fi
  68         done
  69     } | grep -x -v $(for sm in $submodules; do echo "-e $sm"; done) > "$list_file"
  70 else
  71     git ls-files > "$list_file"
  72 fi
  73
  74 if test $? -ne 0; then
  75     error "failed to generate list file"
  76 fi
  77
  78 tar -cf "$tar_file" -T "$list_file" || error "failed to create tar file"
  79
  80 exit 0