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 <kraxel@redhat.com> Tested-by: Thomas Huth <thuth@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190520124716.30472-2-kraxel@redhat.com> [AJB: fixed up tabs] Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
		
			
				
	
	
		
			71 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/bin/bash
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#
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# Author: Fam Zheng <famz@redhat.com>
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#
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# Archive source tree, including submodules. This is created for test code to
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# export the source files, in order to be built in a different environment,
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# such as in a docker instance or VM.
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#
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# This code is licensed under the GPL version 2 or later.  See
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# the COPYING file in the top-level directory.
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error() {
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    printf %s\\n "$*" >&2
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    exit 1
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}
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if test $# -lt 1; then
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    error "Usage: $0 <output tarball>"
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fi
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tar_file=$(realpath "$1")
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sub_tdir=$(mktemp -d "${tar_file%.tar}.sub.XXXXXXXX")
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sub_file="${sub_tdir}/submodule.tar"
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# We want a predictable list of submodules for builds, that is
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# independent of what the developer currently has initialized
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# in their checkout, because the build environment is completely
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# different to the host OS.
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submodules="dtc slirp ui/keycodemapdb tests/fp/berkeley-softfloat-3 tests/fp/berkeley-testfloat-3"
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sub_deinit=""
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function cleanup() {
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    local status=$?
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    rm -rf "$sub_tdir"
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    if test "$sub_deinit" != ""; then
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        git submodule deinit $sub_deinit
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    fi
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    exit $status
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}
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trap "cleanup" 0 1 2 3 15
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if git diff-index --quiet HEAD -- &>/dev/null
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then
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    HEAD=HEAD
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else
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    HEAD=$(git stash create)
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fi
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git archive --format tar $HEAD > "$tar_file"
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test $? -ne 0 && error "failed to archive qemu"
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for sm in $submodules; do
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    status="$(git submodule status "$sm")"
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    smhash="${status#[ +-]}"
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    smhash="${smhash%% *}"
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    case "$status" in
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        -*)
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            sub_deinit="$sub_deinit $sm"
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            git submodule update --init "$sm"
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            test $? -ne 0 && error "failed to update submodule $sm"
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            ;;
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        +*)
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            echo "WARNING: submodule $sm is out of sync"
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            ;;
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    esac
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    (cd $sm; git archive --format tar --prefix "$sm/" $smhash) > "$sub_file"
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    test $? -ne 0 && error "failed to archive submodule $sm ($smhash)"
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    tar --concatenate --file "$tar_file" "$sub_file"
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    test $? -ne 0 && error "failed append submodule $sm to $tar_file"
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done
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exit 0
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