Adopt scripts-to-rule-them-all: script/ entrypoints, Makefile shims, policy update

script/check

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# script/check: run all checks (test, lint, fmt-check). Our own
+# extension to scripts-to-rule-them-all. Must not modify any files.
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)"
+
+main() {
+    "$SCRIPT_DIR/test"
+    "$SCRIPT_DIR/lint"
+    "$SCRIPT_DIR/fmt-check"
+}
+
+main "$@"

script/cibuild

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+# script/cibuild: run the CI build. The Dockerfile runs script/check, so
+# a successful build implies all checks pass.
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    docker build .
+}
+
+main "$@"

script/docker

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# script/docker: build the Docker image tagged with the project name.
+# Identical in all repos; the tag comes from script/projectname.
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)"
+ROOT="$(cd "$SCRIPT_DIR/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    docker build -t "$("$SCRIPT_DIR/projectname")" .
+}
+
+main "$@"

script/fmt

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# script/fmt: format all files (writes).
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    yarn run prettier --write '**/*.md' --tab-width 4 --prose-wrap always
+}
+
+main "$@"

script/fmt-check

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# script/fmt-check: check formatting (read-only).
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    yarn run prettier --check '**/*.md' --tab-width 4 --prose-wrap always
+}
+
+main "$@"

script/install-precommit

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+# script/install-precommit: install the git pre-commit hook that runs
+# script/precommit. Our own extension to scripts-to-rule-them-all.
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    local hook=".git/hooks/pre-commit"
+    printf '#!/bin/sh\nset -e\nscript/precommit\n' > "$hook"
+    chmod +x "$hook"
+    echo "pre-commit hook installed: runs script/precommit"
+}
+
+main "$@"

script/lint

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+# script/lint: run the linter.
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    echo "Linting markdown files..."
+    yarn run prettier --check '**/*.md' --tab-width 4 --prose-wrap always
+}
+
+main "$@"

script/precommit

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# script/precommit: run by the git pre-commit hook; fails the commit if
+# checks fail. Our own extension to scripts-to-rule-them-all.
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)"
+
+main() {
+    "$SCRIPT_DIR/check"
+}
+
+main "$@"

script/projectname

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# script/projectname: output the name of this project. Our own
+# extension to scripts-to-rule-them-all. Other scripts that need the
+# name (e.g. script/docker) call this, so they can stay identical
+# across all repos.
+set -euo pipefail
+
+main() {
+    echo "prompts"
+}
+
+main "$@"

script/test

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# script/test: run the test suite.
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    echo "No tests defined."
+}
+
+main "$@"