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#!/bin/sh
# Creates a tarball with the concatenation of a git tree and the submodules.
# Hidden files such as .gitignore are skipped.
# GNU tar
TAR=${2:-"tar"}
if [ $# -lt 1 ] ; then
echo "Usage: dist.sh <filename> [tar_command]"
exit 1
fi
FNAME=$1
PREFIX=`basename $FNAME | sed -e 's/\.tar.*$//'`
ALL_TAR=$(mktemp) || { echo "mktemp is missing!"; exit 1; }
TMP_TAR=$(mktemp) || { echo "mktemp is missing!"; exit 1; }
trap 'rm -f "$TMP_TAR" "$ALL_TAR"' EXIT
# Create tarball for main repo contents.
git archive --prefix="$PREFIX/" HEAD ":!.*" ":!**/.*" > "$ALL_TAR"
# Append submodule contents, if any.
export PREFIX TMP_TAR ALL_TAR
git submodule --quiet foreach --recursive \
'git archive --prefix="$PREFIX/$displaypath/" HEAD ":!.*" ":!**/.*" > "$TMP_TAR";
tar Af "$ALL_TAR" "$TMP_TAR"'
xz < "$ALL_TAR" > "$FNAME"
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