Build static build releases on travis-ci

.travis.yml

@@ -1,10 +1,36 @@
 language: c
+services:
+- docker
+
 matrix:
   include:
-        - compiler: gcc
+  - arch: amd64
-        - compiler: clang
+    env: PLATFORM=amd64
-          env: CFLAGS="-g -O2"
+  - arch: amd64
-before_install:
+    env: PLATFORM=i386
-    - sudo apt-get update -qq
+  - arch: arm64
-    - sudo apt-get -y install debhelper autotools-dev dh-autoreconf file libncurses5-dev libevent-dev pkg-config libutempter-dev build-essential
+    env: PLATFORM=arm32v6
-script: (CFLAGS= ./autogen.sh) && ./configure --enable-debug && make
+  - arch: arm64
+    env: PLATFORM=arm32v7
+  - arch: arm64
+    env: PLATFORM=arm64v8
+
+script:
+- 'docker build . --tag local-$PLATFORM/tmate-build --build-arg PLATFORM=$PLATFORM'
+# On arch=arm64, some directories are not setup correctly, and 'ruby -S gem
+# install dpl' required by the release push scripts fails.
+- 'if [ "$TRAVIS_TAG" ]; then sudo chown -R $USER: /var/lib/gems /usr/local/bin; fi'
+- 'if [ "$TRAVIS_TAG" ]; then ./package_release.sh $TRAVIS_TAG $PLATFORM; fi'
+
+deploy:
+  provider: releases
+  api_key:
+    secure: T2109tjjOsrVLEpJZK/uxmO0AuDGXYFdN4AAsNTmVwu/W5dcX57Kk2TCgqDuLfD21iGGXP0U/OYHM06IfBDODBWCA9P8ASHYsenS7wIiFnvCEMbfzoAFyBMrXN2kNdM2+ho3aqc0xE2lQKOKDLxpGm5FZrzujscXXzxQjWBU5Hk=
+  skip_cleanup: true
+  overwrite: true
+  file_glob: true
+  file: /tmp/tmate-release/*.tar.*
+  on:
+    repo: tmate-io/tmate
+    branch: master
+    tags: true

Dockerfile

@@ -1,4 +1,5 @@
-FROM alpine:3.10
+ARG PLATFORM=amd64
+FROM ${PLATFORM}/alpine:3.10
 
 WORKDIR /build
 
@@ -21,7 +22,7 @@ RUN set -ex; \
 
 COPY . .
 
-RUN ./autogen.sh
+RUN ./autogen.sh && ./configure --enable-static
-RUN ./configure --enable-static
 RUN make -j $(nproc)
 RUN strip tmate
+RUN ./tmate -V

package_release.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+set -eux
+VERSION=$1
+PLATFORM=$2
+RELEASE_NAME=tmate-$VERSION-static-linux-$PLATFORM
+
+# This assumes the follow command has already been run:
+#   docker build . --tag local-$PLATFORM/tmate-build --build-arg PLATFORM=$PLATFORM
+
+mkdir -p /tmp/tmate-release/$RELEASE_NAME
+cd /tmp/tmate-release
+docker run --rm local-$PLATFORM/tmate-build cat tmate > $RELEASE_NAME/tmate
+chmod +x $RELEASE_NAME/tmate
+tar -cf - $RELEASE_NAME | xz > tmate-$VERSION-static-linux-$PLATFORM.tar.xz