sync-bintray.sh

#!/usr/bin/env bash

API_HOST=api.bintray.com

ORG=pantsbuild
REPOSITORY=bin
PACKAGE=pants-support-binaries
VERSION=0.0.2

REPO_KEY="${ORG}/${REPOSITORY}/${PACKAGE}"

function check_netrc {
  [[ -f ~/.netrc && -n "$(grep -E "^\s*machine\s+${API_HOST}\s*$" ~/.netrc)" ]]
}

if ! check_netrc
then
  echo "In order to publish bintray binaries you need an account"
  echo "with membership in the ${ORG} org [1]."
  echo
  echo "This account will need to be added to a ~/.netrc entry as follows:"
  echo 
  echo "machine ${API_HOST}"
  echo "  login <bintray username>"
  echo "  password <bintray api key [2]>"
  echo
  echo "[1] https://bintray.com/${ORG}"
  echo "[2] https://bintray.com/docs/interacting/interacting_apikeys.html"
  exit 1
fi

echo "Uploading artifacts to https://dl.bintray.com/${ORG}/${REPOSITORY}"
echo
echo "Press CTRL-C at any time to discard the uploaded artifacts; otherwise,"
echo "the artifacts will be finalized and published en-masse just before the"
echo "script completes."
echo

function hash_local_files() {
  git ls-files | \
  grep -v -E ".sha1$" | \
  xargs openssl sha1 | \
  sed -E "s/^SHA1\(([^)]+)\)= ([0-9a-f]+)$/\1 \2/"
}

function hash_remote_files() {
  curl --netrc -sS https://${API_HOST}/packages/${REPO_KEY}/files | \
  python2.7 -c '
import json
import sys

for entry in json.load(sys.stdin):
  print("{} {}".format(entry["path"], entry["sha1"]))
'
}

files=($(comm -2 -3 <(hash_local_files | sort) <(hash_remote_files | sort) | cut -d' ' -f1))
if [[ -n "${FILTER}" ]]
then
  all_files="${files[@]}"
  files=()
  for file in ${all_files}
  do
    if echo ${file} | grep "${FILTER}"
    then
      files+=(${file})
    fi
  done
fi

if (( ${#files[@]} > 0 ))
then
  # NB: Archives sent to bintray for exploding must not have directory entries inside, just the
  # file entries; thus the --no-dir-entries argument to zip below is critical.
  archive_dir=$(mktemp -dt "repo.XXXXXX") && \
  trap "rm -rf ${archive_dir}" EXIT && \
  archive="${archive_dir}/repo.zip" && \
  echo "${files[@]}" | xargs zip -q --no-dir-entries ${archive} && \
  (
    echo "A zip with the following contents will be uploaded:"
    echo "=="
    zipinfo -1 ${archive}
  ) | less && \
  curl \
    --fail \
    --netrc \
    --upload-file ${archive} \
    -o /dev/null \
    --progress-bar \
    -# \
    "https://${API_HOST}/content/${REPO_KEY}/${VERSION}/repo.zip?override=1&explode=1&publish=1"
fi

echo "Bintray is up to date!"