#!/bin/sh

# Usage: ./make-git-snapshot.sh [COMMIT]

#

# to make a snapshot of the given tag/branch.  Defaults to HEAD.

# Point env var REF to a local mesa repo to reduce clone time.

if [ -e /usr/bin/pxz ]; then

    XZ=/usr/bin/pxz

else

    XZ=/usr/bin/xz

fi

if [ -z "$1" ]; then

  DIRNAME=mesa-$( date +%Y%m%d )

  BRANCH=10.4

else

  DIRNAME=mesa-$1

  BRANCH=master

fi

echo REF ${REF:+--reference $REF}

echo DIRNAME $DIRNAME

echo HEAD ${1:-$BRANCH}

rm -rf $DIRNAME

git clone --depth 1 ${REF:+--reference $REF} --branch $BRANCH \

	git://git.freedesktop.org/git/mesa/mesa $DIRNAME

GIT_DIR=$DIRNAME/.git git archive --format=tar --prefix=$DIRNAME/ ${1:-HEAD} \

	| $XZ > $DIRNAME.tar.xz

# rm -rf $DIRNAME