version.sh 1.28 KB
Newer Older
1 2
#!/bin/sh

3
# check for SVN revision number
4
revision=$(cd "$1" && cat snapshot_version 2> /dev/null)
5 6
test $revision || revision=$(cd "$1" && LC_ALL=C svn info 2> /dev/null | grep "Last Changed Rev" | cut -d' ' -f4)
test $revision || revision=$(cd "$1" && grep committed-rev .svn/entries 2>/dev/null | head -n 1 | cut -d '"' -f2)
7 8 9 10
test $revision || revision=$(cd "$1" && sed -n -e '/^dir$/{n
p
q
}' .svn/entries 2>/dev/null)
11
test $revision && revision=SVN-r$revision
12

13 14
# check for git svn revision number
if ! test $revision; then
15
    revision=$(cd "$1" && git svn find-rev HEAD 2> /dev/null)
16 17 18
    test $revision && revision=git-svn-r$revision
fi

19 20
# check for git short hash
if ! test $revision; then
21
    revision=$(cd "$1" && git log -1 --pretty=format:%h 2> /dev/null)
22 23 24
    test $revision && revision=git-$revision
fi

25
# no revision number found
26 27
test $revision || revision=UNKNOWN

28
# releases extract the version number from the VERSION file
29
version=$(cd "$1" && cat VERSION 2> /dev/null)
30
test $version || version=$revision
31

32 33 34
test -n "$3" && version=$version-$3

NEW_REVISION="#define FFMPEG_VERSION \"$version\""
35
OLD_REVISION=$(cat version.h 2> /dev/null)
36 37 38

# Update version.h only on revision changes to avoid spurious rebuilds
if test "$NEW_REVISION" != "$OLD_REVISION"; then
39
    echo "$NEW_REVISION" > "$2"
40
fi