Add build tools

.gitignore

@@ -2,3 +2,5 @@
 /.shellspec-quick.log
 /report/
 /coverage/
+/bin
+

Dockerfile

@@ -0,0 +1,5 @@
+FROM alpine:edge
+RUN apk add --no-cache shellcheck bash make
+WORKDIR /root
+COPY ./ ./
+CMD [ "bash" ]

Makefile

@@ -1,11 +1,17 @@
+PREFIX ?= /usr/local
+BINDIR := $(PREFIX)/bin
 SHELL=bash
 
-test:
-	shellspec
+.PHONY: build check test testall coverage install uninstall
+
+build: bin/getoptions bin/getoptions-generate
 
 check:
 	shellcheck src/* lib/*.sh spec/*.sh examples/*.sh
 
+test:
+	shellspec
+
 testall:
 	shellspec -s sh
 	shellspec -s bash
@@ -19,3 +25,10 @@ testall:
 coverage:
 	shellspec -s bash --kcov --kcov-options "--coveralls-id=$(COVERALLS_REPO_TOKEN)"
 	bash <(curl -s https://codecov.io/bash) -s coverage
+
+bin/getoptions: src/build.sh src/getoptions lib/*.sh
+	src/build.sh < src/getoptions > bin/getoptions
+	chmod +x bin/getoptions
+
+bin/getoptions-generate: src/getoptions-generate
+	cp src/getoptions-generate bin/getoptions-generate

src/build.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+# shellcheck disable=SC2016
+
+set -eu
+
+while IFS= read -r line; do
+	case $line in
+		*"# @INCLUDE-FILE")
+			printf '\tputlines \\\n'
+			eval "$line" | sed "s/'/'\\\\''/g; s/^/\t\t'/; s/$/' \\\\/"
+			echo
+			;;
+		*) printf '%s\n' "$line" ;;
+	esac
+done

src/getoptions

@@ -1,16 +1,22 @@
 #!/bin/sh
-# shellcheck disable=SC2016
+# shellcheck disable=SC2016,SC2039
 
 set -eu
 
 VERSION="v2.5.1"
 URL="https://github.com/ko1nksm/getoptions"
 LICENSE="Creative Commons Zero v1.0 Universal"
 
+if [ "${KSH_VERSION:-}" ] || [ "${ZSH_VERSION:-}" ]; then
+	putlines() { IFS=$'\n'$IFS; print -r -- "$*"; IFS=${IFS#?}; }
+else
+	putlines() { printf '%s\n' "$@"; }
+fi
+
 outlibs() {
-	cat lib/getoptions_base.sh
-	cat lib/getoptions_abbr.sh
-	cat lib/getoptions_help.sh
+	cat lib/getoptions_base.sh # @INCLUDE-FILE
+	cat lib/getoptions_abbr.sh # @INCLUDE-FILE
+	cat lib/getoptions_help.sh # @INCLUDE-FILE
 }
 
 quote() {
@@ -20,11 +26,11 @@ quote() {
 	eval "$1=\${q:-\"''\"}"
 }
 
-case ${1:---} in (-?*)
+case ${1:-} in (-?* | '')
 	echo "getoptions $VERSION ($URL)"
 	echo "License: $LICENSE"
 	echo 'Usage: eval "$(getoptions <parser_definition> <parser_name> [arguments...])"'
-	exit 1
+	exit ${1:+1}
 esac
 
 outlibs

src/getoptions-cli → src/getoptions-generate

@@ -274,6 +274,7 @@ elif which getoptions >/dev/null 2>&1; then
 else
 	abort "getoptions not found"
 fi
+getoptions() { "$GETOPTIONS" "$@"; }
 
 eval "$(getoptions parser_definition parse "$0")"
 parse "$@"