drone-exec-linux

#!/bin/bash

if [[ "$1" == "--help" ]]; then
  exec drone exec --help
fi

# Set up some variables that we'll use later on
GIT=$(which git)
PID=/tmp/git-daemon.pid
PWD=$(pwd)
DOCKER_NETWORK=drone
COUNTER=1
GIT_BRANCH=$(git -C $PWD rev-parse --abbrev-ref HEAD)
GIT_COMMIT=$(git -C $PWD rev-parse HEAD)
GIT_REPO=$(basename $PWD)
GIT_REMOTE=$(git -C $PWD config --get remote.origin.url)

function log() {
  let COUNT=$((COUNTER++))
  echo "[exec:${COUNT}] $1"
}

# Create a docker network for Drone if it doesn't exist
docker network inspect $DOCKER_NETWORK >/dev/null 2>&1 || docker network create $DOCKER_NETWORK >/dev/null
DOCKER_IP=$(docker network inspect $DOCKER_NETWORK -f '{{(index .IPAM.Config 0).Gateway}}')
log "Created Docker Network at ${DOCKER_IP}"

# Start git in daemon mode to serve the repo
log "Starting Git Daemon at ${PWD}"
start-stop-daemon \
  --pidfile $PID \
  --start \
  --exec $GIT \
  -- daemon \
     --reuseaddr \
     --listen=$DOCKER_IP \
     --base-path=$PWD \
     --export-all \
     --verbose \
     --enable=receive-pack \
     --pid-file=$PID \
     --detach

# Run drone
log "Running drone exec and clone from ${DOCKER_IP}"
export DRONE_REMOTE_URL=git://${DOCKER_IP}/
drone exec --network $DOCKER_NETWORK --clone --ref refs/heads/$GIT_BRANCH --branch $GIT_BRANCH --repo $GIT_REPO --sha $GIT_COMMIT --trusted --secret-file .secrets --env-file .env "$@"

# Kill git daemon
log "Stopping git-daemon"
start-stop-daemon --pidfile $PID --stop --remove-pidfile

# Remove the docker network
log "Removing Docker Network at ${DOCKER_IP}"
docker network rm $DOCKER_NETWORK >/dev/null 2>&1