avfilter: remove stray semicolon
[libav.git] / version.sh
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1#!/bin/sh
2
123103ca 3# check for SVN revision number
31c194e7 4revision=$(cd "$1" && cat snapshot_version 2> /dev/null)
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5test $revision || revision=$(cd "$1" && LC_ALL=C svn info 2> /dev/null | grep "Last Changed Rev" | cut -d' ' -f4)
6test $revision || revision=$(cd "$1" && grep committed-rev .svn/entries 2>/dev/null | head -n 1 | cut -d '"' -f2)
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7test $revision || revision=$(cd "$1" && sed -n -e '/^dir$/{n
8p
9q
10}' .svn/entries 2>/dev/null)
123103ca 11test $revision && revision=SVN-r$revision
a66d63a9 12
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13# check for git svn revision number
14if ! test $revision; then
9a02c3e1 15 revision=$(cd "$1" && git svn find-rev HEAD 2> /dev/null)
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16 test $revision && revision=git-svn-r$revision
17fi
18
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19# check for git short hash
20if ! test $revision; then
8032d1de 21 revision=$(cd "$1" && git describe --always 2> /dev/null)
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22 test $revision && revision=git-$revision
23fi
24
de2c2b5a 25# no revision number found
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26test $revision || revision=UNKNOWN
27
de2c2b5a 28# releases extract the version number from the VERSION file
8202d905 29version=$(cd "$1" && cat VERSION 2> /dev/null)
de2c2b5a 30test $version || version=$revision
ac63af34 31
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32test -n "$3" && version=$version-$3
33
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34if [ -z "$2" ]; then
35 echo "$version"
36 exit
37fi
38
de2c2b5a 39NEW_REVISION="#define FFMPEG_VERSION \"$version\""
d33a14e4 40OLD_REVISION=$(cat version.h 2> /dev/null)
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41
42# Update version.h only on revision changes to avoid spurious rebuilds
43if test "$NEW_REVISION" != "$OLD_REVISION"; then
9e6165b5 44 echo "$NEW_REVISION" > "$2"
f1cc88a5 45fi