Use git archive to create tarballs of qemu and submodules instead of cloning the repository and the submodules. This is a order of magnitude faster because it doesn't fetch the submodules from the internet each time the script runs.
Signed-off-by: Gerd Hoffmann <kra...@redhat.com> Tested-by: Thomas Huth <th...@redhat.com> --- scripts/archive-source.sh | 72 +++++++++++++++++---------------------- 1 file changed, 31 insertions(+), 41 deletions(-) diff --git a/scripts/archive-source.sh b/scripts/archive-source.sh index 8b8994826000..93a48d2063f9 100755 --- a/scripts/archive-source.sh +++ b/scripts/archive-source.sh @@ -19,16 +19,25 @@ if test $# -lt 1; then fi tar_file=$(realpath "$1") -list_file="${tar_file}.list" -vroot_dir="${tar_file}.vroot" +sub_tdir=$(mktemp -d "${tar_file%.tar}.sub.XXXXXXXX") +sub_file="${sub_tdir}/submodule.tar" # We want a predictable list of submodules for builds, that is # independent of what the developer currently has initialized # in their checkout, because the build environment is completely # different to the host OS. submodules="dtc slirp ui/keycodemapdb tests/fp/berkeley-softfloat-3 tests/fp/berkeley-testfloat-3" +sub_deinit="" -trap "status=$?; rm -rf \"$list_file\" \"$vroot_dir\"; exit \$status" 0 1 2 3 15 +function cleanup() { + local status=$? + rm -rf "$sub_tdir" + if test "$sub_deinit" != ""; then + git submodule deinit $sub_deinit + fi + exit $status +} +trap "cleanup" 0 1 2 3 15 if git diff-index --quiet HEAD -- &>/dev/null then @@ -36,45 +45,26 @@ then else HEAD=$(git stash create) fi -git clone --shared . "$vroot_dir" -test $? -ne 0 && error "failed to clone into '$vroot_dir'" -for sm in $submodules; do - if test -d "$sm/.git" - then - git clone --shared "$sm" "$vroot_dir/$sm" - test $? -ne 0 && error "failed to clone submodule $sm" - fi -done - -cd "$vroot_dir" -test $? -ne 0 && error "failed to change into '$vroot_dir'" - -git checkout $HEAD -test $? -ne 0 && error "failed to checkout $HEAD revision" +git archive --format tar $HEAD > "$tar_file" +test $? -ne 0 && error "failed to archive qemu" for sm in $submodules; do - git submodule update --init $sm - test $? -ne 0 && error "failed to init submodule $sm" + status="$(git submodule status "$sm")" + smhash="${status#[ +-]}" + smhash="${smhash%% *}" + case "$status" in + -*) + sub_deinit="$sub_deinit $sm" + git submodule update --init "$sm" + test $? -ne 0 && error "failed to update submodule $sm" + ;; + +*) + echo "WARNING: submodule $sm is out of sync" + ;; + esac + (cd $sm; git archive --format tar --prefix "$sm/" $smhash) > "$sub_file" + test $? -ne 0 && error "failed to archive submodule $sm ($smhash)" + tar --concatenate --file "$tar_file" "$sub_file" + test $? -ne 0 && error "failed append submodule $sm to $tar_file" done - -if test -n "$submodules"; then - { - git ls-files || error "git ls-files failed" - for sm in $submodules; do - (cd $sm; git ls-files) | sed "s:^:$sm/:" - if test "${PIPESTATUS[*]}" != "0 0"; then - error "git ls-files in submodule $sm failed" - fi - done - } | grep -x -v $(for sm in $submodules; do echo "-e $sm"; done) > "$list_file" -else - git ls-files > "$list_file" -fi - -if test $? -ne 0; then - error "failed to generate list file" -fi - -tar -cf "$tar_file" -T "$list_file" || error "failed to create tar file" - exit 0 -- 2.18.1