28 lines
690 B
Bash
Executable File
28 lines
690 B
Bash
Executable File
#!/bin/sh
|
|
|
|
# check for git short hash
|
|
revision=$(cd "$1" && git describe --always 2> /dev/null)
|
|
test "$revision" && revision=git-$revision
|
|
|
|
# no revision number found
|
|
test "$revision" || revision=UNKNOWN
|
|
|
|
# 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 LIBAV_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
|