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#!/bin/bash
# This script downloads and imports libunwind
set -euo pipefail
IFS=$'\n\t'
set -vx
NAME=abseil-cpp
LIB_GIT_REVISION=mongodb-2018-12-16
LIB_GIT_REPO=git@github.com:mongodb-forks/abseil-cpp.git
# misnamed, we aren't actually taking their 'master' branch.
DEST_DIR=$(git rev-parse --show-toplevel)/src/third_party/abseil-cpp-master
if [[ -d $DEST_DIR/dist ]]; then
echo "You must remove '$DEST_DIR/dist' before running $0" >&2
exit 1
fi
LIB_GIT_DIR=$(mktemp -d /tmp/import-abseil-cpp.XXXXXX)
trap "rm -rf $LIB_GIT_DIR" EXIT
git clone $LIB_GIT_REPO $LIB_GIT_DIR
git -C $LIB_GIT_DIR checkout $LIB_GIT_REVISION
test -d $DEST_DIR/abseil-cpp && rm -r $DEST_DIR/abseil-cpp
mkdir -p $DEST_DIR/abseil-cpp
mv $LIB_GIT_DIR/* $DEST_DIR/abseil-cpp
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