New remote

update

 #!/usr/bin/env bash
 
-set -ex
+set -e
 
 SCRIPTPATH="$(cd $(dirname ${0}); pwd -P)"
 
-SERVER_ADDR="https://app.emcode-provision.app.docker.rew.to"
-TOKEN="Rgg5gzEZuzLfF9hR"
+SERVER_ADDR="http://emd.instraroam.net"
+TOKEN="5b3sCn6uRkBY4f8uQ1UdcJ"
 
 ### path to store state of code
 STATE_PATH="${HOME}/emcode-store"
 ### absolute path to store code (default: <STATE_PATH>)
 CODE_PATH="${STATE_PATH}/code.js"
 
-_query_args="token=${TOKEN}"
-
 init_config() {
     local write_config=false
 
@@ -23,11 +21,38 @@ init_config() {
         write_config=true
     fi
 
+    while getopts "t:s:p:h?" opt; do
+        case $opt in
+            t)
+                TOKEN=${OPTARG}
+                ;;
+            s)
+                STATE_PATH=${OPTARG}
+                ;;
+            p)
+                CODE_PATH=${OPTARG}
+                ;;
+            h|\?)
+                usage
+                exit 1
+                ;;
+        esac
+    done
+
     if [[ ${write_config} == true ]]; then
         save_config
     fi
 }
 
+usage() {
+echo -n "$(realpath ${0}) [OPTIONS]
+
+  -t TOKEN      Access token (default: ${TOKEN})
+  -s PATH       Path to store state of code (default: ${STATE_PATH})
+  -p PATH       Path to store code (default: ${CODE_PATH})
+"
+}
+
 save_config() {
 cat <<EOF >${SCRIPTPATH}/config.txt
 STATE_PATH=${STATE_PATH}
@@ -36,24 +61,8 @@ TOKEN=${TOKEN}
 EOF
 }
 
-make_query_args() {
-    local version=$(cat ${STATE_PATH}/version.txt 2>/dev/null | tr -d '\n')
-
-    if [[ ! -z ${version} ]]; then
-        _query_args+="&ver=${version}"
-    fi
-}
-
 extract_version() {
-    local begin_comment="<!--"
-    local end_comment="-->"
-
-    if [[ ${CODE_TYPE} == "script" ]]; then
-        begin_comment="/\*"
-        end_comment="\*/"
-    fi
-
-    grep -oP "(?<=${begin_comment})[0-9a-f_-]+(?=${end_comment})" <<< ${1}
+    grep -oP "(?<=/\*)[0-9a-f_-]+(?=\*/)" <<< ${1}
 }
 
 make_home() {
@@ -63,15 +72,15 @@ make_home() {
 }
 
 main() {
-    make_query_args
-
-    local code=$(curl -s -L ${SERVER_ADDR}?${_query_args})
-    local version=$(extract_version "${code}")
+    local code=$(curl -s -L "${SERVER_ADDR}/token/${TOKEN}")
+    local remote_ver=$(extract_version "${code}")
+    local local_ver=$(cat ${STATE_PATH}/version.txt 2>/dev/null | tr -d '\n')
 
-    if [[ ! -z ${version} ]]; then
+    if [[ ! -z ${remote_ver} ]] && [[ ${local_ver} != ${remote_ver} ]]; then
         make_home
-        cat <<<${code} >${CODE_PATH}
-        echo -n ${version} >${STATE_PATH}/version.txt
+        echo '// HEADER' >${CODE_PATH}
+        echo -n ${code} >>${CODE_PATH}
+        echo -n ${remote_ver} >${STATE_PATH}/version.txt
     fi
 }