blob: d585983510a8bdee5f6163f7f8028942a4ba73d1 [file] [log] [blame]
AC_DEFUN([AX_DETECT_GIT_HEAD], [
AC_SUBST(GIT_HEAD_ID)
AC_SUBST(GIT_HEAD)
AC_SUBST(GIT_HEAD_VERSION)
if test -f $srcdir/.git/HEAD; then
GIT_HEAD="$srcdir/.git/index"
GIT_REPO="$srcdir/.git"
GIT_HEAD_ID=`GIT_DIR=$GIT_REPO git describe`
elif test -f $srcdir/GIT_HEAD_ID; then
GIT_HEAD_ID=`cat $srcdir/GIT_HEAD_ID`
else
mysrcdir=`(cd $srcdir; pwd)`
head=`basename $mysrcdir | sed -e 's/.*-//'`
head2=`echo $head | sed -e 's/[^0-9a-f]//'`
head3=`echo $head2 | sed -e 's/........................................//'`
if test "x$head3" = "x" -a "x$head" = "x$head2"; then
GIT_HEAD_ID="$head"
else
GIT_HEAD_ID="UNKNOWN"
fi
fi
if test -z "$GIT_REPO" ; then
GIT_HEAD_VERSION="$GIT_HEAD_ID"
else
GIT_HEAD_VERSION="\`GIT_DIR=$GIT_REPO git describe\`"
fi
])