robjens · December 20, 2015 20:28
diff --git a/bootstrap.sh b/bootstrap.sh
 #!/usr/bin/env bash %
 #
 # bootstrap.sh
 #
 # Copyright (C) 2015 Rob Jentzema <[email protected]>
 #
 # Distributed under terms of the MIT license.
 #
 # Reference(s):
 # 1. https://github.com/clojure/clojurescript/wiki/Quick-Start
 #

 # 1a. get absolute directory path resolved
 target=$(dirname $(readlink -f ${0}))
 # 1b. set a default project name in case none is provided
 project=cljs-quickstart
 # 1c. cljs on github root uri
 release=https://github.com/clojure/clojurescript/releases

 # 2. helpers
 f=$(tput sgr0)
 function go() { printf "$(tput setaf 5)؟$f ${1}"; }
 function pr() { printf "\r$(tput setaf 3)→$f ${1}\n"; }
 function ok() { printf "\r$(tput setaf 2)✓$f ${1}\n"; }
 function err() { printf "\r$(tput setaf 1)✗$f ${1}\n"; }

 # 3. user input option parsing, disable verbose error handling by prefix
 # colon : suffix colons means the option before (both d and n at this time)
 # expect a value
 go "check user input"
 while getopts ":d:n:" opt; do
    case $opt in
        d)
            # reusing target directory variable, in case provided
            target=$(readlink -f ${OPTARG})
            pr "setting target directory to ${target} (cli argument)"
            ;;
        n)
            # same goes for project name
            project=${OPTARG}
            pr "setting project name to ${project} (cli argument)"
            ;;
        \?)
            err "invalid option -$OPTARG" >&2
            ;;
    esac
 done
 ok "check user input"

 go "set project safe name"
 safename=${target}/src/$(echo ${project} | tr '-' '_')
 ok "set safe name replaced hyphens for underscores"

 go "check for cljs.jar file in project"
 test -f ${target}/cljs.jar || {
    err "cljs.jar not found"
    go "resolve url for download cljs.jar"
    location=$(curl -ILs -o /dev/null -w %{url_effective} "${release}/latest")
    download="${release}/download/${location##*/}/cljs.jar"
    ok "resolved url proceed to download"
    go "download cljs.jar file"
    wget -P ${target} ${download}
    test -f ${target}/cljs.jar && ok "file cljs.jar succesfully downloaded" ||\
        err "failed to download cljs.jar, check script input"
 }
 ok "check for cljs.jar complete"

 # 6. see if we might already have a src/ folder
 go "checking for a source folder"
 test -d ${safename} || {
    err "source folder not found"
    go "create source folder"
    mkdir -p ${safename}
    test -d ${safename} && ok "source folder now found" || err "source folder still not found"
 }
 ok "source folder check done now"

 go "see if we have a core cljs file"
 test -f ${safename}/core.cljs || {
 cat <<-eos > ${safename}/core.cljs
 (ns ${project}.core)

 (enable-console-print!)

 (println "Hello world!")
 eos
 }
 test -f ${safename}/core.cljs &&\
    ok "core cljs file found in the target ${safename} location" ||\
    err "core cljs file not found in target ${safename} location"

 go "check build script"
 test -f ${target}/build.clj || {
 cat <<-eos > ${target}/build.clj
 (require 'cljs.build.api)

 (cljs.build.api/build "src"
  {:main '${project}.core
   :output-to "out/main.js"})
 eos
 }
 ok "build script found ok"


 go "check for watch script"
 test -f ${target}/watch.clj || {
 cat <<-eos > ${target}/watch.clj
 (require 'cljs.build.api)

 (cljs.build.api/watch "src"
  {:main '${project}.core
   :output-to "out/main.js"})
 eos
 }
 ok "watch script found or created"


 go "check for index.html file"
 test -f ${target}/index.html || {
 cat <<-eos > ${target}/index.html
 <html>
 	<body>
 		<script type="text/javascript" src="out/main.js"></script>
    </body>
 </html>
 eos
 }
 ok "index.html file found in root"
 go "compile cljs"
 java -cp cljs.jar:src clojure.main build.clj
 ok "compilation of cljs file done"
	#!/usr/bin/env bash %
	#
	# bootstrap.sh
	#
	# Copyright (C) 2015 Rob Jentzema <[email protected]>
	#
	# Distributed under terms of the MIT license.
	#
	# Reference(s):
	# 1. https://github.com/clojure/clojurescript/wiki/Quick-Start
	#

	# 1a. get absolute directory path resolved
	target=$(dirname $(readlink -f ${0}))
	# 1b. set a default project name in case none is provided
	project=cljs-quickstart
	# 1c. cljs on github root uri
	release=https://github.com/clojure/clojurescript/releases

	# 2. helpers
	f=$(tput sgr0)
	function go() { printf "$(tput setaf 5)؟$f ${1}"; }
	function pr() { printf "\r$(tput setaf 3)→$f ${1}\n"; }
	function ok() { printf "\r$(tput setaf 2)✓$f ${1}\n"; }
	function err() { printf "\r$(tput setaf 1)✗$f ${1}\n"; }

	# 3. user input option parsing, disable verbose error handling by prefix
	# colon : suffix colons means the option before (both d and n at this time)
	# expect a value
	go "check user input"
	while getopts ":d:n:" opt; do
	case $opt in
	d)
	# reusing target directory variable, in case provided
	target=$(readlink -f ${OPTARG})
	pr "setting target directory to ${target} (cli argument)"
	;;
	n)
	# same goes for project name
	project=${OPTARG}
	pr "setting project name to ${project} (cli argument)"
	;;
	\?)
	err "invalid option -$OPTARG" >&2
	;;
	esac
	done
	ok "check user input"

	go "set project safe name"
	safename=${target}/src/$(echo ${project} \| tr '-' '_')
	ok "set safe name replaced hyphens for underscores"

	go "check for cljs.jar file in project"
	test -f ${target}/cljs.jar \|\| {
	err "cljs.jar not found"
	go "resolve url for download cljs.jar"
	location=$(curl -ILs -o /dev/null -w %{url_effective} "${release}/latest")
	download="${release}/download/${location##*/}/cljs.jar"
	ok "resolved url proceed to download"
	go "download cljs.jar file"
	wget -P ${target} ${download}
	test -f ${target}/cljs.jar && ok "file cljs.jar succesfully downloaded" \|\|\
	err "failed to download cljs.jar, check script input"
	}
	ok "check for cljs.jar complete"

	# 6. see if we might already have a src/ folder
	go "checking for a source folder"
	test -d ${safename} \|\| {
	err "source folder not found"
	go "create source folder"
	mkdir -p ${safename}
	test -d ${safename} && ok "source folder now found" \|\| err "source folder still not found"
	}
	ok "source folder check done now"

	go "see if we have a core cljs file"
	test -f ${safename}/core.cljs \|\| {
	cat <<-eos > ${safename}/core.cljs
	(ns ${project}.core)

	(enable-console-print!)

	(println "Hello world!")
	eos
	}
	test -f ${safename}/core.cljs &&\
	ok "core cljs file found in the target ${safename} location" \|\|\
	err "core cljs file not found in target ${safename} location"

	go "check build script"
	test -f ${target}/build.clj \|\| {
	cat <<-eos > ${target}/build.clj
	(require 'cljs.build.api)

	(cljs.build.api/build "src"
	{:main '${project}.core
	:output-to "out/main.js"})
	eos
	}
	ok "build script found ok"


	go "check for watch script"
	test -f ${target}/watch.clj \|\| {
	cat <<-eos > ${target}/watch.clj
	(require 'cljs.build.api)

	(cljs.build.api/watch "src"
	{:main '${project}.core
	:output-to "out/main.js"})
	eos
	}
	ok "watch script found or created"


	go "check for index.html file"
	test -f ${target}/index.html \|\| {
	cat <<-eos > ${target}/index.html
	<html>
	<body>
	<script type="text/javascript" src="out/main.js"></script>
	</body>
	</html>
	eos
	}
	ok "index.html file found in root"
	go "compile cljs"
	java -cp cljs.jar:src clojure.main build.clj
	ok "compilation of cljs file done"
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