From bc8ed20787af6a24ef22354363e7e8dd57d528a0 Mon Sep 17 00:00:00 2001
From: Jimin Hsieh <jimin.hsieh.engineer@gmail.com>
Date: Wed, 30 May 2018 22:46:28 +0800
Subject: [PATCH] Show default sbt memory size: 1024m

---
 src/universal/bin/sbt                 | 4 ++--
 src/universal/bin/sbt-launch-lib.bash | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/universal/bin/sbt b/src/universal/bin/sbt
index 9070dab7c..8b236bfa9 100755
--- a/src/universal/bin/sbt
+++ b/src/universal/bin/sbt
@@ -69,7 +69,7 @@ declare -r win_sbt_opts_file="${sbt_home}/conf/sbtconfig.txt"
 
 usage() {
  cat <<EOM
-Usage: $script_name [options]
+Usage: `basename "$0"` [options]
 
   -h | -help         print this message
   -v | -verbose      this runner is chattier
@@ -79,7 +79,7 @@ Usage: $script_name [options]
   -sbt-dir   <path>  path to global settings/plugins directory (default: ~/.sbt)
   -sbt-boot  <path>  path to shared boot directory (default: ~/.sbt/boot in 0.11 series)
   -ivy       <path>  path to local Ivy repository (default: ~/.ivy2)
-  -mem    <integer>  set memory options (default: $sbt_mem, which is $(get_mem_opts $sbt_mem))
+  -mem    <integer>  set memory options (default: $sbt_default_mem, which is $(get_mem_opts))
   -no-share          use all local caches; no sharing
   -no-global         uses global caches, but does not use global ~/.sbt directory.
   -jvm-debug <port>  Turn on JVM debugging, open at the given port.
diff --git a/src/universal/bin/sbt-launch-lib.bash b/src/universal/bin/sbt-launch-lib.bash
index 2a106a225..3be1f7e3d 100755
--- a/src/universal/bin/sbt-launch-lib.bash
+++ b/src/universal/bin/sbt-launch-lib.bash
@@ -13,6 +13,7 @@ declare -a sbt_commands
 declare java_cmd=java
 declare java_version
 declare init_sbt_version=_to_be_replaced
+declare sbt_default_mem=1024
 
 declare SCRIPT=$0
 while [ -h "$SCRIPT" ] ; do
@@ -101,7 +102,7 @@ get_mem_opts () {
   else
     # a ham-fisted attempt to move some memory settings in concert
     # so they need not be messed around with individually.
-    local mem=${1:-1024}
+    local mem=${1:-$sbt_default_mem}
     local codecache=$(( $mem / 8 ))
     (( $codecache > 128 )) || codecache=128
     (( $codecache < 512 )) || codecache=512