From 517ccac210b70d8c02ee276d893e96d1cbb16e86 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Wed, 29 Jan 2020 00:50:12 +0300
Subject: Travis: multi-stage Docker builds

---
 .travis/Dockerfile | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/.travis/Dockerfile b/.travis/Dockerfile
index 1973e9f..24cbb35 100644
--- a/.travis/Dockerfile
+++ b/.travis/Dockerfile
@@ -1,4 +1,6 @@
-FROM ubuntu:focal
+FROM ubuntu:focal AS base
+
+FROM base AS builder
 
 RUN apt-get update -yq && \
     apt-get install -yq --no-install-recommends \
@@ -30,8 +32,12 @@ RUN ./cmake/boost/build/ci/travis.py \
         --with-filesystem \
         --with-program_options && \
     ./cmake/cmake/build/ci/travis.py \
-        --install "$HOME/install" \
+        --install /opt/pdb-repo \
         -- \
         -D "CMAKE_TOOLCHAIN_FILE=$TRAVIS_BUILD_DIR/cmake/cmake/toolchains/mingw-w64-$platform.cmake" \
         -D "BOOST_ROOT=$HOME/boost_1_65_0" \
         -D "BOOST_LIBRARYDIR=$HOME/boost_1_65_0/stage/$platform/$configuration/lib"
+
+FROM base
+
+COPY --from=builder ["/opt/pdb-repo", "/opt/pdb-repo"]
-- 
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