configure travis ci

.travis.yml

@@ -0,0 +1,15 @@
+language: rust
+rust: nightly-2019-03-15
+cache:
+  - cargo
+
+script: ci/run.sh
+
+# Publish the Docker image to the infra AWS registry
+before_deploy:
+  - pip install --user awscli
+deploy:
+  provider: script
+  script: sh ci/publish-docker.sh
+  on:
+    branch: master

ci/check-nightly-version.sh

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+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+# Extract the nightly version from all the places we declared it in
+rust_toolchain="$(cat rust-toolchain)"
+travis_yml="$(cat .travis.yml | grep '^rust: ' | head -n 1 | sed -E 's/^rust: (nightly-[0-9]{4}-[0-9]{2}-[0-9]{2})$/\1/')"
+
+# Ensure all the configuration files points to the same nightly
+check() {
+    if [[ "$2" != "${rust_toolchain}" ]]; then
+        echo "error: the nightly version in $1 is different than the one in rust-toolchain!" 1>&2
+        exit 1
+    fi
+}
+check .travis.yml "${travis_yml}"
+
+echo "all the configuration files points to the same nightly!"

ci/publish-docker.sh

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+#!/bin/bash
+set -e
+
+ECR_IMAGE="890664054962.dkr.ecr.us-west-1.amazonaws.com/rust-triagebot:latest"
+
+$(aws ecr get-login --no-include-email --region us-west-1)
+
+docker tag rust-triagebot:latest "${ECR_IMAGE}"
+docker push "${ECR_IMAGE}"

ci/run.sh

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+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+rustup component add rustfmt clippy
+
+ci/check-nightly-version.sh
+cargo test
+cargo fmt -- --check
+cargo clippy -- -Dwarnings
+
+docker build -t rust-triagebot .