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="${tar_file}.vroot"
  24
  25 # We want a predictable list of submodules for builds, that is
  26 # independent of what the developer currently has initialized
  27 # in their checkout, because the build environment is completely
  28 # different to the host OS.
  29 submodules="dtc ui/keycodemapdb"
  30
  31 trap "status=$?; 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
  42 cd "$vroot_dir"
  43 test $? -ne 0 && error "failed to change into '$vroot_dir'"
  44
  45 git checkout $HEAD
  46 test $? -ne 0 && error "failed to checkout $HEAD revision"
  47
  48 for sm in $submodules; do
  49     git submodule update --init $sm
  50     test $? -ne 0 && error "failed to init submodule $sm"
  51 done
  52
  53 if test -n "$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"
  63 else
  64     git ls-files > "$list_file"
  65 fi
  66
  67 if test $? -ne 0; then
  68     error "failed to generate list file"
  69 fi
  70
  71 tar -cf "$tar_file" -T "$list_file" || error "failed to create tar file"
  72
  73 exit 0