unknown flag error about hocus HOT 5 CLOSED

@regner Thank you for suggesting a fix! --ignore-buildable is only needed when building the containers locally. After #120 got merged that flag is not needed when pulling the agent/ui/setup images from quay. Will make a PR today which will remove the flag when using prebuild images, otherwise it will do a docker-compose version check.

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See this issue: #11

Running sudo apt install --only-upgrade docker-compose-plugin may fix your issue.

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It might be a good idea for the ops/bin/local-up.sh script to check the version of Docker compose, rather than just if it is installed.

https://github.com/hocus-dev/hocus/blob/main/ops/bin/local-up.sh#L76

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It appears that --ignore-buildable was added with v2.15.0, released Jan. 5th: https://github.com/docker/compose/releases/tag/v2.15.0

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A possible solution:

# Check minimum version of docker compose
# We require docker compose of at least version 2.15.0 which introduced --ignore-buildable
COMPOSE_VERSION="$(docker compose version | grep -o -E '[0-9]+(\.[0-9]+){2}$')"
COMPOSE_REQUIRED_VERSION="2.15.0"
if ! [ "$(printf '%s\n' "$COMPOSE_REQUIRED_VERSION" "$COMPOSE_VERSION" | sort -V | head -n1)" = "$COMPOSE_REQUIRED_VERSION" ]; then
  # Some better explination...
  echo "Less than ${COMPOSE_REQUIRED_VERSION}"
  exit 1
fi

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