3 # check for SVN revision number
4 revision
=$
(cat snapshot_version
2> /dev
/null
)
5 test $revision || revision
=$
(cd "$1" && LC_ALL
=C svn info
2> /dev
/null |
grep Revision | cut
-d' ' -f2)
6 test $revision || revision
=$
(cd "$1" && grep revision .svn
/entries
2>/dev
/null | cut
-d '"' -f2)
7 test $revision || revision
=$
(cd "$1" && sed -n -e '/^dir$/{n;p;q}' .svn
/entries
2>/dev
/null
)
8 test $revision && revision
=SVN-r
$revision
10 # check for git short hash
11 if ! test $revision; then
12 revision
=$
(cd "$1" && git log
-1 --pretty=format
:%h
)
13 test $revision && revision
=git-
$revision
16 # no version number found
17 test $revision || revision
=UNKNOWN
19 test -n "$3" && revision
=$revision-$3
21 NEW_REVISION
="#define FFMPEG_VERSION \"$revision\""
22 OLD_REVISION
=$
(cat version.h
2> /dev
/null
)
24 # Update version.h only on revision changes to avoid spurious rebuilds
25 if test "$NEW_REVISION" != "$OLD_REVISION"; then
26 echo "$NEW_REVISION" > "$2"