Travis CI Discord webhook

travis-ci-webhook.sh

#!/bin/bash

if [[ -z $1 ]]; then
  printf '[Webhook]: ERROR! Missing webhook URL argument.\n'
  exit 1
fi

if [[ -n $2 ]]; then
  LANG_VAL="$2"
  LANG_REF="TRAVIS_${2^^}_VERSION"
else
  LANG_VAL='Bash'
  LANG_REF='BASH_VERSION'
fi

printf '[Webhook]: Sending webhook to Discord...\n'

if ((TRAVIS_TEST_RESULT == 0)); then
  STATUS='passed'
  COLOR=$((0x2ECC71))
  ICON='TravisCI-Mascot-grey'
else
  STATUS='failed'
  COLOR=$((0xE74C3C))
  ICON='TravisCI-Mascot-red'
fi

SLUG="${TRAVIS_PULL_REQUEST_REPO_SLUG:-$TRAVIS_REPO_SLUG}"
COMMIT="${TRAVIS_PULL_REQUEST_SHA:-$TRAVIS_COMMIT}"
BRANCH="${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH}"

URL="https://github.com/$SLUG/commit/$COMMIT"
TREE="https://github.com/$SLUG/tree/$BRANCH"

COMMIT_SUBJECT="$(git log -1 "$COMMIT" --pretty='%s')"
COMMIT_MESSAGE="$(git log -1 "$COMMIT" --pretty='%b')"
COMMITTER_NAME="$(git log -1 "$COMMIT" --pretty='%cN')"

AVATAR="TravisCI-Mascot-$((RANDOM % 4 + 1))"

WEBHOOK_DATA=$'{
  "username": "Travis CI",
  "avatar_url": "https://travis-ci.com/images/logos/'$AVATAR'.png",
  "embeds": [{
    "color": "'$COLOR'",
    "author": {
      "name": "'$TRAVIS_REPO_SLUG' #'$TRAVIS_JOB_NUMBER'",
      "url": "'$TRAVIS_JOB_WEB_URL'",
      "icon_url": "https://travis-ci.com/images/logos/'$ICON'.png"
    },
    "title": "'$COMMIT_SUBJECT'",
    "url": "'$URL'",
    "description": "'${COMMIT_MESSAGE//$'\n'/$'\\n'}'",
    "footer": {
      "text": "'$COMMITTER_NAME'",
      "icon_url": "https://github.com/'$COMMITTER_NAME'.png?s=40"
    },
    "fields": [{
      "name": "Status",
      "value": "'$STATUS'",
      "inline": true
    }, {
      "name": "Branch",
      "value": "[`'${BRANCH}'`]('$TREE')",
      "inline": true
    }, {
      "name": "'$LANG_VAL'",
      "value": "'${!LANG_REF:-N/A}'",
      "inline": true
    }],
    "timestamp": "'$(date --utc +%FT%TZ)'"
  }]
}'

GIST='https://gist.github.com/ObserverOfTime/b6265136119757c75a932ebb3246dda0'

if curl -Sf "$1" -d "$WEBHOOK_DATA" \
    -A "TravisCI-Webhook ($GIST, v0.2)" \
    -H 'Content-Type: application/json'; then
  printf '[Webhook]: Successfully sent the webhook.\n'
else
  ecode=$?
  printf '[Webhook]: Failed to send the webhook.\n'
  exit $ecode
fi

The script expects 1 or 2 arguments:

• The URL of the Discord webhook. (required)
• One of the following depending on the build language:
  • Dart
  • Go
  • Haxe
  • JDK
  • Julia
  • Node
  • OTP
  • Perl
  • PHP
  • Python
  • R
  • Ruby
  • Rust
  • Scala
  • MariaDB

Here's an example:

language: python
# ...
after_script:
  - curl -LSs https://git.io/travis-ci-webhook.sh | bash -s -- "$WEBHOOK_URL" Python