Initial commit: converge - auto-sync git repo watcher

hs

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+# Thin wrapper to run Haskell tooling (stack, hpack, fourmolu, hlint, ...)
+# inside the flipstone/haskell-tools Docker image. Usage: ./hs <cmd> [args]
+# e.g. ./hs stack build, ./hs stack test, ./hs hpack
+set -euo pipefail
+
+IMAGE="${CONVERGE_HASKELL_TOOLS_IMAGE:-ghcr.io/flipstone/haskell-tools:debian-ghc-9.10.3-5d6640d}"
+PROJECT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+STACK_ROOT_HOST="${PROJECT_DIR}/.stack-root"
+
+mkdir -p "${STACK_ROOT_HOST}"
+
+exec docker run --rm -i $([ -t 0 ] && printf -- -t) \
+  -v "${PROJECT_DIR}:/work" \
+  -v "${STACK_ROOT_HOST}:/stack-root" \
+  -e STACK_ROOT=/stack-root \
+  -w /work \
+  "${IMAGE}" \
+  "$@"