--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utils/release/export.sh	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,83 @@
+#!/bin/sh
+#===-- tag.sh - Tag the LLVM release candidates ----------------------------===#
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License.
+#
+#===------------------------------------------------------------------------===#
+#
+# Create branches and release candidates for the LLVM release.
+#
+#===------------------------------------------------------------------------===#
+
+set -e
+
+projects="llvm cfe dragonegg test-suite compiler-rt libcxx clang-tools-extra polly lldb"
+base_url="https://llvm.org/svn/llvm-project"
+
+release=""
+rc=""
+
+function usage() {
+    echo "Export the SVN sources and build tarballs from them"
+    echo "usage: `basename $0`"
+    echo " "
+    echo "  -release <num> The version number of the release"
+    echo "  -rc <num>      The release candidate number"
+    echo "  -final         The final tag"
+}
+
+function export_sources() {
+    release_no_dot=`echo $release | sed -e 's,\.,,g'`
+    tag_dir="tags/RELEASE_$release_no_dot/$rc"
+
+    if [ "$rc" = "final" ]; then
+        rc=""
+    fi
+
+    for proj in $projects; do
+        echo "Exporting $proj ..."
+        svn export \
+            $base_url/$proj/$tag_dir \
+            $proj-$release$rc.src
+
+        echo "Creating tarball ..."
+        tar cfz $proj-$release$rc.src.tar.gz $proj-$release$rc.src
+    done
+}
+
+while [ $# -gt 0 ]; do
+    case $1 in
+        -release | --release )
+            shift
+            release=$1
+            ;;
+        -rc | --rc )
+            shift
+            rc="rc$1"
+            ;;
+        -final | --final )
+            rc="final"
+            ;;
+        -h | -help | --help )
+            usage
+            exit 0
+            ;;
+        * )
+            echo "unknown option: $1"
+            usage
+            exit 1
+            ;;
+    esac
+    shift
+done
+
+if [ "x$release" = "x" ]; then
+    echo "error: need to specify a release version"
+    exit 1
+fi
+
+export_sources
+exit 0