Add a wrapper script for building several archs

Author: webknjaz

travis/build-all-manylinux1-wheels.sh

@@ -0,0 +1,51 @@
+#! /usr/bin/env bash
+if [ -n "$DEBUG" ]
+then
+  set -x
+fi
+
+package_name="$1"
+LIBGIT2_VERSION="$2"
+
+set -euo pipefail
+
+if [ -z "$package_name" ]
+then
+    >&2 echo "Please pass package name as a first argument of this script ($0)"
+    exit 1
+fi
+
+if [ -z "$LIBGIT2_VERSION" ]
+then
+    >&2 echo "Please pass libgit2 version as a second argument of this script ($0)"
+    exit 1
+fi
+
+manylinux1_image_prefix="quay.io/pypa/manylinux1_"
+manylinux1_image_prefix="pyca/cryptography-manylinux1:"
+dock_ext_args=""
+declare -A docker_pull_pids=()  # This syntax requires at least bash v4
+
+for arch in x86_64 i686
+do
+    docker pull "${manylinux1_image_prefix}${arch}" &
+    docker_pull_pids[$arch]=$!
+done
+
+for arch in x86_64 i686
+do
+    echo
+    echo
+    arch_pull_pid=${docker_pull_pids[$arch]}
+    echo Waiting for docker pull PID $arch_pull_pid to complete downloading container for $arch arch...
+    wait $arch_pull_pid  # await for docker image for current arch to be pulled from hub
+    [ $arch == "i686" ] && dock_ext_args="linux32"
+
+    echo Building wheel for $arch arch
+    docker run --rm -v `pwd`:/io "${manylinux1_image_prefix}${arch}" $dock_ext_args /io/travis/build-manylinux1-wheels.sh "$package_name" "$LIBGIT2_VERSION" &
+
+    dock_ext_args=""  # Reset docker args, just in case
+done
+wait
+
+set +u