X-Git-Url: http://git.ffmpeg.org/gitweb/ffmpeg.git/blobdiff_plain/54003e1a707dea428c4dc56d2fdda8180063b122..d0dab0ecd43651bcebc79e02c5136ac9e6a2ff28:/version.sh

diff --git a/version.sh b/version.sh
index 4721a71..9809d6d 100755
--- a/version.sh
+++ b/version.sh
@@ -1,12 +1,31 @@
 #!/bin/sh
 
-svn_revision=`cd "$1" && svn info 2> /dev/null | grep Revision | cut -d' ' -f2`
-test $svn_revision || svn_revision=UNKNOWN
+# check for SVN revision number
+revision=$(cat snapshot_version 2> /dev/null)
+test $revision || revision=$(cd "$1" && LC_ALL=C svn info 2> /dev/null | grep Revision | cut -d' ' -f2)
+test $revision || revision=$(cd "$1" && grep revision .svn/entries 2>/dev/null | cut -d '"' -f2)
+test $revision || revision=$(cd "$1" && sed -n -e '/^dir$/{n;p;q}' .svn/entries 2>/dev/null)
+test $revision && revision=SVN-r$revision
 
-NEW_REVISION="#define FFMPEG_VERSION \"SVN-r$svn_revision\""
-OLD_REVISION=`cat version.h 2> /dev/null`
+# check for git short hash
+if ! test $revision; then
+    revision=$(cd "$1" && git log -1 --pretty=format:%h)
+    test $revision && revision=git-$revision
+fi
+
+# no revision number found
+test $revision || revision=UNKNOWN
+
+# releases extract the version number from the VERSION file
+version=$(cat VERSION 2> /dev/null)
+test $version || version=$revision
+
+test -n "$3" && version=$version-$3
+
+NEW_REVISION="#define FFMPEG_VERSION \"$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 "$NEW_REVISION" > version.h
+    echo "$NEW_REVISION" > "$2"
 fi