Install parquet-cpp via conda

ci/travis_before_script_cpp.sh

@@ -2,6 +2,10 @@
 
 set -e
 
+source $TRAVIS_BUILD_DIR/ci/travis_install_conda.sh
+conda install -y --channel apache/channel/dev parquet-cpp
+export PARQUET_HOME=$MINICONDA
+
 : ${CPP_BUILD_DIR=$TRAVIS_BUILD_DIR/cpp-build}
 
 mkdir $CPP_BUILD_DIR

ci/travis_conda_build.sh

@@ -2,27 +2,7 @@
 
 set -e
 
-if [ $TRAVIS_OS_NAME == "linux" ]; then
-  MINICONDA_URL="https://repo.continuum.io/miniconda/Miniconda-latest-Linux-x86_64.sh"
-else
-  MINICONDA_URL="https://repo.continuum.io/miniconda/Miniconda-latest-MacOSX-x86_64.sh"
-fi
-
-wget -O miniconda.sh $MINICONDA_URL
-MINICONDA=$TRAVIS_BUILD_DIR/miniconda
-bash miniconda.sh -b -p $MINICONDA
-export PATH="$MINICONDA/bin:$PATH"
-conda update -y -q conda
-conda info -a
-
-conda config --set show_channel_urls yes
-conda config --add channels conda-forge
-conda config --add channels apache
-
-conda install --yes conda-build jinja2 anaconda-client
-
-# faster builds, please
-conda install -y nomkl
+source $TRAVIS_BUILD_DIR/ci/travis_install_conda.sh
 
 # Build libarrow
 

ci/travis_install_conda.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [ $TRAVIS_OS_NAME == "linux" ]; then
+  MINICONDA_URL="https://repo.continuum.io/miniconda/Miniconda-latest-Linux-x86_64.sh"
+else
+  MINICONDA_URL="https://repo.continuum.io/miniconda/Miniconda-latest-MacOSX-x86_64.sh"
+fi
+
+wget -O miniconda.sh $MINICONDA_URL
+export MINICONDA=$TRAVIS_BUILD_DIR/miniconda
+bash miniconda.sh -b -p $MINICONDA
+export PATH="$MINICONDA/bin:$PATH"
+conda update -y -q conda
+conda info -a
+
+conda config --set show_channel_urls yes
+conda config --add channels conda-forge
+conda config --add channels apache
+
+conda install --yes conda-build jinja2 anaconda-client
+
+# faster builds, please
+conda install -y nomkl
+