1#!/bin/bash
2#
3# Creates LLVM SVN snapshots: llvm-$REV.tar.bz2 and llvm-gcc-4.2-$REV.tar.bz2,
4# where $REV is an SVN revision of LLVM.  This is used for creating stable
5# tarballs which can be used to build known-to-work crosstools.
6#
7# Syntax:
8#   $0 [REV] -- grabs the revision $REV from SVN; if not specified, grabs the
9#   latest SVN revision.
10
11set -o nounset
12set -o errexit
13
14readonly LLVM_PROJECT_SVN="http://llvm.org/svn/llvm-project"
15
16getLatestRevisionFromSVN() {
17  svn info ${LLVM_PROJECT_SVN} | egrep ^Revision | sed 's/^Revision: //'
18}
19
20readonly REV="${1:-$(getLatestRevisionFromSVN)}"
21
22createTarballFromSVN() {
23  local module=$1
24  local log="${module}.log"
25  echo "Running: svn export -r ${REV} ${module}; log in ${log}"
26  svn -q export -r ${REV} ${LLVM_PROJECT_SVN}/${module}/trunk \
27      ${module} > ${log} 2>&1
28
29  # Create "module-revision.tar.bz2" packages from the SVN checkout dirs.
30  local tarball="${module}-${REV}.tar.bz2"
31  echo "Creating tarball: ${tarball}"
32  tar cjf ${tarball} ${module}
33
34  echo "Cleaning up '${module}'"
35  rm -rf ${module} ${log}
36}
37
38for module in "llvm" "llvm-gcc-4.2"; do
39  createTarballFromSVN ${module}
40done
41
42