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docker: add Bash 4+ version check for macOS compatibility

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The script uses associative arrays (declare -A) which require Bash 4+.
macOS ships with Bash 3.2 due to GPLv3 licensing, causing the script to
fail with "declare: -A: invalid option". This adds a version check with
a helpful error message directing macOS users to install Bash via Homebrew.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Ayal Spitz 2026-01-26 08:45:43 -05:00
parent 8b91ceb7c9
commit 99824628d9
1 changed files with 11 additions and 0 deletions
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11
docker-setup.sh
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@ -1,6 +1,17 @@
#!/usr/bin/env bash #!/usr/bin/env bash
set -euo pipefail set -euo pipefail
if ((BASH_VERSINFO[0] < 4)); then
if [[ "$OSTYPE" == darwin* ]]; then
echo "Bash 4+ required. macOS ships with Bash 3.2." >&2
echo "Install via: brew install bash" >&2
echo "Then run: /opt/homebrew/bin/bash $0" >&2
else
echo "Bash 4+ required (current: ${BASH_VERSION})" >&2
fi
exit 1
fi
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
COMPOSE_FILE="$ROOT_DIR/docker-compose.yml" COMPOSE_FILE="$ROOT_DIR/docker-compose.yml"
EXTRA_COMPOSE_FILE="$ROOT_DIR/docker-compose.extra.yml" EXTRA_COMPOSE_FILE="$ROOT_DIR/docker-compose.extra.yml"