Checkout LLVM from Git

git-llvm-clone.sh

#!/usr/bin/env bash

readonly REPOSITORIES=(
  "http://llvm.org/git/llvm.git llvm llvm"
  "http://llvm.org/git/clang.git cfe llvm/tools/clang"
  "http://llvm.org/git/lld.git lld llvm/tools/lld"
  "http://llvm.org/git/lldb.git lldb llvm/tools/lldb"
  "http://llvm.org/git/compiler-rt.git compiler-rt llvm/runtimes/compiler-rt"
  "http://llvm.org/git/libcxx.git libcxx llvm/projects/libcxx"
  "http://llvm.org/git/libcxxabi.git libcxxabi llvm/projects/libcxxabi"
  "http://llvm.org/git/libunwind.git libunwind llvm/projects/libunwind"
)

set -eo pipefail; [[ "$TRACE" ]] && set -x

usage() {
  printf >&2 '%s: [-u username]\n' "$0" && exit 1
}

clone() {
  git clone $1 $3
  pushd $3
  git svn init https://llvm.org/svn/llvm-project/$2/trunk --username=$USERNAME
  git config svn-remote.svn.fetch :refs/remotes/origin/master
  git svn rebase -l
  popd
}

main() {
  while getopts "h:u:" opt; do
    case $opt in
      h)
        usage
        ;;
      u)
        USERNAME="$OPTARG"
        ;;
      \? )
        echo "Unknown option: -$OPTARG" 1>&2
        exit 1
        ;;
    esac
  done
  shift $((OPTIND - 1))

  for i in "${REPOSITORIES[@]}"; do
    clone $i
  done
}

main "$@"

git-llvm-fetch.sh

#!/usr/bin/env bash

readonly REPOSITORIES=(
  "http://llvm.org/git/llvm.git llvm llvm"
  "http://llvm.org/git/clang.git cfe llvm/tools/clang"
  "http://llvm.org/git/lld.git lld llvm/tools/lld"
  "http://llvm.org/git/lldb.git lldb llvm/tools/lldb"
  "http://llvm.org/git/compiler-rt.git compiler-rt llvm/runtimes/compiler-rt"
  "http://llvm.org/git/libcxx.git libcxx llvm/runtimes/libcxx"
  "http://llvm.org/git/libcxxabi.git libcxxabi llvm/runtimes/libcxxabi"
  "http://llvm.org/git/libunwind.git libunwind llvm/runtimes/libunwind"
)

set -eo pipefail; [[ "$TRACE" ]] && set -x

usage() {
  printf >&2 '%s\n' "$0" && exit 1
}

fetch() {
  pushd $3
  git checkout master
  git fetch
  git svn rebase -l
  popd
}

main() {
  while getopts "h:u:" opt; do
    case $opt in
      h)
        usage
        ;;
      \? )
        echo "Unknown option: -$OPTARG" 1>&2
        exit 1
        ;;
    esac
  done
  shift $((OPTIND - 1))

  for i in "${REPOSITORIES[@]}"; do
    fetch $i
  done
}

main "$@"