Simplify the CI (#119)

This PR removes some things in the travis CI that I cargo culted and
didn't understand but am reasonably sure don't do anything except slow
down CI times.

.travis.yml

@@ -31,7 +31,6 @@ matrix:
 install:
  - unset CC
  - export PATH=$HOME/.local/bin:/opt/ghc/$GHCVER/bin:$PATH
- - ./.travis/install-ghr.sh
  - ./.travis/install-stack.sh
 
 script:
@@ -43,8 +42,3 @@ script:
    $STACK test --ghc-options="$GHC_OPTIONS"
    set +ex
 
-after_success:
- - |
-   # Build and ship binary
-   ./.travis/attach-binary.sh
-

.travis/attach-binary.sh

@@ -1,25 +0,0 @@
-#!/bin/sh
-set -o errexit -o verbose
-
-if test ! "$BUILD_BINARY" || test ! "$TRAVIS_TAG"
-then
-  echo 'This is not a release build.'
-elif test ! "$GITHUB_TOKEN"
-then
-  echo 'The GITHUB_TOKEN environment variable is not set!'
-  exit 1
-else
-  echo "Building binary for $TRAVIS_OS_NAME to $TRAVIS_TAG..."
-  stack build --ghc-options -O2 --pedantic
-  echo "Attaching binary for $TRAVIS_OS_NAME to $TRAVIS_TAG..."
-  OWNER="$(echo "$TRAVIS_REPO_SLUG" | cut -f1 -d/)"
-  REPO="$(echo "$TRAVIS_REPO_SLUG" | cut -f2 -d/)"
-  BIN="$(stack path --local-install-root)/bin/$REPO"
-  BUNDLE_NAME="$REPO-$TRAVIS_TAG-$TRAVIS_OS_NAME.tar.gz"
-  cp "$BIN" "./$REPO"
-  chmod +x "./$REPO"
-  tar -czf "$BUNDLE_NAME" "$REPO"
-  echo "SHA256:"
-  shasum -a 256 "$BUNDLE_NAME"
-  ghr -t "$GITHUB_TOKEN" -u "$OWNER" -r "$REPO" --replace "$(git describe --tags)" "$BUNDLE_NAME"
-fi

.travis/install-ghr.sh

@@ -1,21 +0,0 @@
-#!/bin/sh
-set -o errexit -o verbose
-
-if test ! "$BUILD_BINARY" || test ! "$TRAVIS_TAG"
-then
-  echo 'This is not a release build.'
-else
-    if [ "$TRAVIS_OS_NAME" = "linux" ] 
-    then
-        ARCH="linux"
-    else
-        ARCH="darwin"
-    fi
-  echo "Installing ghr"
-  URL="https://github.com/tcnksm/ghr/releases/download/v0.5.4/ghr_v0.5.4_${ARCH}_386.zip"
-  curl -L ${URL} > ghr.zip
-  mkdir -p "$HOME/bin"
-  export PATH="$HOME/bin:$PATH"
-  unzip ghr.zip -d "$HOME/bin"
-  rm ghr.zip
-fi