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chore: improve message when running develop.sh multiple times #19333

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Aug 13, 2025
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22 changes: 19 additions & 3 deletions scripts/develop.sh
Original file line number Diff line number Diff line change
Expand Up @@ -72,9 +72,25 @@ if [ -n "${CODER_AGENT_URL:-}" ]; then
fi

# Preflight checks: ensure we have our required dependencies, and make sure nothing is listening on port 3000 or 8080
dependencies curl git go make pnpm
curl --fail http://127.0.0.1:3000 >/dev/null 2>&1 && echo '== ERROR: something is listening on port 3000. Kill it and re-run this script.' && exit 1
curl --fail http://127.0.0.1:8080 >/dev/null 2>&1 && echo '== ERROR: something is listening on port 8080. Kill it and re-run this script.' && exit 1
dependencies curl git go jq make pnpm

if curl --silent --fail http://127.0.0.1:3000; then
# Check if this is the Coder development server.
if curl --silent --fail http://127.0.0.1:3000/api/v2/buildinfo 2>&1 | jq -r '.version' >/dev/null 2>&1; then
echo '== INFO: Coder development server is already running on port 3000!' && exit 0
else
echo '== ERROR: something is listening on port 3000. Kill it and re-run this script.' && exit 1
fi
fi

if curl --fail http://127.0.0.1:8080 >/dev/null 2>&1; then
# Check if this is the Coder development frontend.
if curl --silent --fail http://127.0.0.1:8080/api/v2/buildinfo 2>&1 | jq -r '.version' >/dev/null 2>&1; then
echo '== INFO: Coder development frontend is already running on port 8080!' && exit 0
else
echo '== ERROR: something is listening on port 8080. Kill it and re-run this script.' && exit 1
fi
fi

# Compile the CLI binary. This should also compile the frontend and refresh
# node_modules if necessary.
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