PeerStreamer

#!/bin/sh

# check for git short hash

if ! test "$revision"; then

    revision=$(cd "$1" && git describe --tags --match N 2> /dev/null)

    test "$revision" && revision=git-$revision

fi

# no revision number found

test "$revision" || revision=UNKNOWN

# releases extract the version number from the VERSION file

version=$(cd "$1" && cat VERSION 2> /dev/null)

test "$version" || version=$revision

test -n "$3" && version=$version-$3

if [ -z "$2" ]; then

    echo "$version"

    exit

fi

NEW_REVISION="#define FFMPEG_VERSION \"$version\""

OLD_REVISION=$(cat version.h 2> /dev/null)

# Update version.h only on revision changes to avoid spurious rebuilds

if test "$NEW_REVISION" != "$OLD_REVISION"; then

    echo "$NEW_REVISION" > "$2"

fi