add check for docker compose to bash scripts

Author: jarrodu

bin/bundle

@@ -1,2 +1,3 @@
 #!/bin/bash
+command -v docker-compose >/dev/null 2>&1 || { echo >&2 "Please install Docker Compose: https://docs.docker.com/compose/install/"; exit 1; }
 docker-compose run --service-ports scala-lang bundle $@

bin/check-internal-links

@@ -1,2 +1,3 @@
 #!/bin/bash
+command -v docker-compose >/dev/null 2>&1 || { echo >&2 "Please install Docker Compose: https://docs.docker.com/compose/install/"; exit 1; }
 docker-compose run --service-ports scala-lang bundle exec htmlproofer ./_site/ --only-4xx --empty-alt-ignore --allow-hash-href --disable-external

bin/check-links

@@ -1,2 +1,3 @@
 #!/bin/bash
+command -v docker-compose >/dev/null 2>&1 || { echo >&2 "Please install Docker Compose: https://docs.docker.com/compose/install/"; exit 1; }
 docker-compose run --service-ports scala-lang bundle exec htmlproofer ./_site/ --only-4xx --empty-alt-ignore --allow-hash-href

bin/jekyll

@@ -1,2 +1,3 @@
 #!/bin/bash
+command -v docker-compose >/dev/null 2>&1 || { echo >&2 "Please install Docker Compose: https://docs.docker.com/compose/install/"; exit 1; }
 docker-compose run --service-ports scala-lang jekyll $@

bin/serve

@@ -1,2 +1,3 @@
 #!/bin/bash
+command -v docker-compose >/dev/null 2>&1 || { echo >&2 "Please install Docker Compose: https://docs.docker.com/compose/install/"; exit 1; }
 docker-compose run --service-ports scala-lang jekyll serve --incremental