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FFmpeg/version.sh
Michael Niedermayer 56e11d2305 Merge remote-tracking branch 'qatar/master'
* qatar/master:
  Drop git- prefix from version labels
  Use the contents of RELEASE as version fallback instead of 'UNKNOWN'
  path64/open64: filter out unsupported flags
  Add Release Notes
  sipr: Drop unused DSPContext
  sipr: include string.h for mem*()
  sipr: Use memmove() to copy overlapped buffers.
  h264: drop some ugly casts

Conflicts:
	version.sh

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-06-20 04:07:34 +02:00

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#!/bin/sh
# check for git short hash
if ! test "$revision"; then
revision=$(cd "$1" && git describe --tags --match N 2> /dev/null)
fi
# no revision number found
test "$revision" || revision=$(cd "$1" && cat RELEASE 2> /dev/null)
# releases extract the version number from the VERSION file
version=$(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