Use “squiggly” heredocs.

Formula/abcl.rb

@@ -21,7 +21,7 @@ class Abcl < Formula
     system "ant"
 
     libexec.install "dist/abcl.jar", "dist/abcl-contrib.jar"
-    (bin/"abcl").write <<-EOS.undent
+    (bin/"abcl").write <<~EOS
       #!/bin/sh
       #{"rlwrap " if build.with?("rlwrap")}java -cp #{libexec}/abcl.jar:"$CLASSPATH" org.armedbear.lisp.Main "$@"
     EOS

Formula/abcm2ps.rb

@@ -20,7 +20,7 @@ class Abcm2ps < Formula
   end
 
   test do
-    (testpath/"voices.abc").write <<-EOF.undent
+    (testpath/"voices.abc").write <<~EOF
       X:7
       T:Qui Tolis (Trio)
       C:Andre Raison

Formula/abcmidi.rb

@@ -25,7 +25,7 @@ class Abcmidi < Formula
   end
 
   test do
-    (testpath/"balk.abc").write <<-EOF.undent
+    (testpath/"balk.abc").write <<~EOF
       X: 1
       T: Abdala
       F: https://www.youtube.com/watch?v=YMf8yXaQDiQ

Formula/abuse.rb

@@ -21,7 +21,7 @@ class Abuse < Formula
   depends_on "sdl_mixer"
   depends_on "libvorbis"
 
-  def startup_script; <<-EOS.undent
+  def startup_script; <<~EOS
       #!/bin/bash
       #{libexec}/abuse-bin -datadir "#{pkgshare}" "$@"
     EOS
@@ -70,7 +70,7 @@ class Abuse < Formula
     (bin/"abuse").write startup_script
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
       Game settings and saves will be written to the ~/.abuse folder.
     EOS
   end

Formula/activemq.rb

@@ -16,7 +16,7 @@ class Activemq < Formula
 
   plist_options :manual => "activemq start"
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     <?xml version="1.0" encoding="UTF-8"?>
     <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"
     "http://www.apple.com/DTDs/PropertyList-1.0.dtd">

Formula/admesh.rb

@@ -21,7 +21,7 @@ class Admesh < Formula
 
   test do
     # Test file is the beginning of block.stl from admesh's source
-    (testpath/"test.stl").write <<-EOS.undent
+    (testpath/"test.stl").write <<~EOS
       SOLID Untitled1
       FACET NORMAL  0.00000000E+00  0.00000000E+00  1.00000000E+00
       OUTER LOOP

Formula/adr-tools.rb

@@ -11,7 +11,7 @@ class AdrTools < Formula
 
     # Unlink and re-write to matches homebrew's installation conventions
     config.unlink
-    config.write <<-EOS.undent
+    config.write <<~EOS
       #!/bin/bash
       echo 'adr_bin_dir=\"#{bin}\"'
       echo 'adr_template_dir=\"#{prefix}\"'

Formula/aescrypt-packetizer.rb

@@ -54,7 +54,7 @@ class AescryptPacketizer < Formula
     s = ""
 
     if build.without? "default-names"
-      s += <<-EOS.undent
+      s += <<~EOS
         To avoid conflicting with our other AESCrypt package the binaries
         have been renamed paescrypt and paescrypt_keygen.
       EOS

Formula/afl-fuzz.rb

@@ -18,7 +18,7 @@ class AflFuzz < Formula
 
   test do
     cpp_file = testpath/"main.cpp"
-    cpp_file.write <<-EOS.undent
+    cpp_file.write <<~EOS
       #include <iostream>
 
       int main() {

Formula/agda.rb

@@ -79,7 +79,7 @@ class Agda < Formula
     s = ""
 
     if build.with? "stdlib"
-      s += <<-EOS.undent
+      s += <<~EOS
       To use the Agda standard library by default:
         mkdir -p ~/.agda
         echo #{HOMEBREW_PREFIX}/lib/agda/standard-library.agda-lib >>~/.agda/libraries
@@ -92,7 +92,7 @@ class Agda < Formula
 
   test do
     simpletest = testpath/"SimpleTest.agda"
-    simpletest.write <<-EOS.undent
+    simpletest.write <<~EOS
       module SimpleTest where
 
       data ℕ : Set where
@@ -117,7 +117,7 @@ class Agda < Formula
     EOS
 
     stdlibtest = testpath/"StdlibTest.agda"
-    stdlibtest.write <<-EOS.undent
+    stdlibtest.write <<~EOS
       module StdlibTest where
 
       open import Data.Nat
@@ -129,7 +129,7 @@ class Agda < Formula
     EOS
 
     iotest = testpath/"IOTest.agda"
-    iotest.write <<-EOS.undent
+    iotest.write <<~EOS
       module IOTest where
 
       open import Agda.Builtin.IO
@@ -145,7 +145,7 @@ class Agda < Formula
     EOS
 
     stdlibiotest = testpath/"StdlibIOTest.agda"
-    stdlibiotest.write <<-EOS.undent
+    stdlibiotest.write <<~EOS
       module StdlibIOTest where
 
       open import IO

Formula/aggregate.rb

@@ -34,7 +34,7 @@ class Aggregate < Formula
 
   test do
     # Test case taken from here: http://horms.net/projects/aggregate/examples.shtml
-    test_input = <<-EOS.undent
+    test_input = <<~EOS
       10.0.0.0/19
       10.0.255.0/24
       10.1.0.0/24
@@ -45,7 +45,7 @@ class Aggregate < Formula
       10.1.3.0/25
     EOS
 
-    expected_output = <<-EOS.undent
+    expected_output = <<~EOS
       10.0.0.0/19
       10.0.255.0/24
       10.1.0.0/23

Formula/aiccu.rb

@@ -27,7 +27,7 @@ class Aiccu < Formula
   end
 
   def caveats
-    <<-EOS.undent
+    <<~EOS
       You may also wish to install tuntap:
 
         The TunTap project provides kernel extensions for macOS that allow
@@ -49,7 +49,7 @@ class Aiccu < Formula
 
   plist_options :startup => true
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     <?xml version="1.0" encoding="UTF-8"?>
     <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
     <plist version="1.0">

Formula/aide.rb

@@ -35,7 +35,7 @@ class Aide < Formula
   end
 
   test do
-    (testpath/"aide.conf").write <<-EOS.undent
+    (testpath/"aide.conf").write <<~EOS
       database = file:/var/lib/aide/aide.db
       database_out = file:/var/lib/aide/aide.db.new
       database_new = file:/var/lib/aide/aide.db.new

Formula/aircrack-ng.rb

@@ -33,7 +33,7 @@ class AircrackNg < Formula
     system "make", "prefix=#{prefix}", "mandir=#{man1}", "install"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     Run `airodump-ng-oui-update` install or update the Airodump-ng OUI file.
     EOS
   end

Formula/akka.rb

@@ -28,7 +28,7 @@ class Akka < Formula
   end
 
   test do
-    (testpath/"src/main/java/sample/hello/HelloWorld.java").write <<-EOS.undent
+    (testpath/"src/main/java/sample/hello/HelloWorld.java").write <<~EOS
       package sample.hello;
 
       import akka.actor.Props;
@@ -55,7 +55,7 @@ class Akka < Formula
         }
       }
     EOS
-    (testpath/"src/main/java/sample/hello/Greeter.java").write <<-EOS.undent
+    (testpath/"src/main/java/sample/hello/Greeter.java").write <<~EOS
       package sample.hello;
 
       import akka.actor.UntypedActor;
@@ -77,7 +77,7 @@ class Akka < Formula
 
       }
     EOS
-    (testpath/"src/main/java/sample/hello/Main.java").write <<-EOS.undent
+    (testpath/"src/main/java/sample/hello/Main.java").write <<~EOS
       package sample.hello;
 
       public class Main {

Formula/algol68g.rb

@@ -20,7 +20,7 @@ class Algol68g < Formula
 
   test do
     path = testpath/"hello.alg"
-    path.write <<-EOS.undent
+    path.write <<~EOS
       print("Hello World")
     EOS
 

Formula/allure.rb

@@ -18,7 +18,7 @@ class Allure < Formula
   end
 
   test do
-    (testpath/"allure-results/allure-result.json").write <<-EOS.undent
+    (testpath/"allure-results/allure-result.json").write <<~EOS
     {
       "uuid": "allure",
       "name": "testReportGeneration",

Formula/amqp-cpp.rb

@@ -26,7 +26,7 @@ class AmqpCpp < Formula
   end
 
   test do
-    (testpath/"test.cpp").write <<-EOS.undent
+    (testpath/"test.cpp").write <<~EOS
       #include <amqpcpp.h>
       int main()
       {

Formula/ansible-lint.rb

@@ -109,7 +109,7 @@ class AnsibleLint < Formula
 
   test do
     ENV["ANSIBLE_REMOTE_TEMP"] = testpath/"tmp"
-    (testpath/"playbook.yml").write <<-EOF.undent
+    (testpath/"playbook.yml").write <<~EOF
       ---
       - hosts: all
         gather_facts: False

Formula/ansible.rb

@@ -560,7 +560,7 @@ class Ansible < Formula
 
   test do
     ENV["ANSIBLE_REMOTE_TEMP"] = testpath/"tmp"
-    (testpath/"playbook.yml").write <<-EOF.undent
+    (testpath/"playbook.yml").write <<~EOF
       ---
       - hosts: all
         gather_facts: False

Formula/ansible@1.9.rb

@@ -545,7 +545,7 @@ class AnsibleAT19 < Formula
     bin.env_script_all_files(libexec/"bin", :PYTHONPATH => ENV["PYTHONPATH"])
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     Homebrew writes wrapper scripts that set PYTHONPATH in ansible's
     execution environment, which is inherited by Python scripts invoked
     by ansible. If this causes problems, you can modify your playbooks
@@ -555,7 +555,7 @@ class AnsibleAT19 < Formula
 
   test do
     ENV["ANSIBLE_REMOTE_TEMP"] = testpath/"tmp"
-    (testpath/"playbook.yml").write <<-EOF.undent
+    (testpath/"playbook.yml").write <<~EOF
       ---
       - hosts: all
         gather_facts: False

Formula/ansible@2.0.rb

@@ -590,7 +590,7 @@ class AnsibleAT20 < Formula
     bin.env_script_all_files(libexec/"bin", :PYTHONPATH => ENV["PYTHONPATH"])
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     Homebrew writes wrapper scripts that set PYTHONPATH in ansible's
     execution environment, which is inherited by Python scripts invoked
     by ansible. If this causes problems, you can modify your playbooks
@@ -600,7 +600,7 @@ class AnsibleAT20 < Formula
 
   test do
     ENV["ANSIBLE_REMOTE_TEMP"] = testpath/"tmp"
-    (testpath/"playbook.yml").write <<-EOF.undent
+    (testpath/"playbook.yml").write <<~EOF
       ---
       - hosts: all
         gather_facts: False

Formula/ant-contrib.rb

@@ -15,7 +15,7 @@ class AntContrib < Formula
   end
 
   test do
-    (testpath/"build.xml").write <<-EOS.undent
+    (testpath/"build.xml").write <<~EOS
       <project name="HomebrewTest" default="init" basedir=".">
         <taskdef resource="net/sf/antcontrib/antcontrib.properties"/>
         <target name="init">

Formula/ant.rb

@@ -35,7 +35,7 @@ class Ant < Formula
     libexec.install Dir["*"]
     bin.install_symlink Dir["#{libexec}/bin/*"]
     rm bin/"ant"
-    (bin/"ant").write <<-EOS.undent
+    (bin/"ant").write <<~EOS
       #!/bin/sh
       #{libexec}/bin/ant -lib #{HOMEBREW_PREFIX}/share/ant "$@"
     EOS
@@ -52,7 +52,7 @@ class Ant < Formula
   end
 
   test do
-    (testpath/"build.xml").write <<-EOS.undent
+    (testpath/"build.xml").write <<~EOS
       <project name="HomebrewTest" basedir=".">
         <property name="src" location="src"/>
         <property name="build" location="build"/>
@@ -64,7 +64,7 @@ class Ant < Formula
         </target>
       </project>
     EOS
-    (testpath/"src/main/java/org/homebrew/AntTest.java").write <<-EOS.undent
+    (testpath/"src/main/java/org/homebrew/AntTest.java").write <<~EOS
       package org.homebrew;
       public class AntTest {
         public static void main(String[] args) {

Formula/ant@1.9.rb

@@ -19,14 +19,14 @@ class AntAT19 < Formula
     libexec.install Dir["*"]
     bin.install_symlink Dir["#{libexec}/bin/*"]
     rm bin/"ant"
-    (bin/"ant").write <<-EOS.undent
+    (bin/"ant").write <<~EOS
       #!/bin/sh
       #{libexec}/bin/ant -lib #{HOMEBREW_PREFIX}/share/ant "$@"
     EOS
   end
 
   test do
-    (testpath/"build.xml").write <<-EOS.undent
+    (testpath/"build.xml").write <<~EOS
       <project name="HomebrewTest" basedir=".">
         <property name="src" location="src"/>
         <property name="build" location="build"/>
@@ -38,7 +38,7 @@ class AntAT19 < Formula
         </target>
       </project>
     EOS
-    (testpath/"src/main/java/org/homebrew/AntTest.java").write <<-EOS.undent
+    (testpath/"src/main/java/org/homebrew/AntTest.java").write <<~EOS
       package org.homebrew;
       public class AntTest {
         public static void main(String[] args) {

Formula/antigen.rb

@@ -11,7 +11,7 @@ class Antigen < Formula
     pkgshare.install "bin/antigen.zsh"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     To activate antigen, add the following to your ~/.zshrc:
       source #{HOMEBREW_PREFIX}/share/antigen/antigen.zsh
     EOS

Formula/antiword.rb

@@ -30,7 +30,7 @@ class Antiword < Formula
     man1.install "Docs/antiword.1"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     You can install mapping files in ~/.antiword
     EOS
   end

Formula/antlr.rb

@@ -11,12 +11,12 @@ class Antlr < Formula
   def install
     prefix.install "antlr-#{version}-complete.jar"
 
-    (bin/"antlr4").write <<-EOS.undent
+    (bin/"antlr4").write <<~EOS
       #!/bin/bash
       CLASSPATH="#{prefix}/antlr-#{version}-complete.jar:." exec java -jar #{prefix}/antlr-#{version}-complete.jar "$@"
     EOS
 
-    (bin/"grun").write <<-EOS.undent
+    (bin/"grun").write <<~EOS
       #!/bin/bash
       java -classpath #{prefix}/antlr-#{version}-complete.jar:. org.antlr.v4.gui.TestRig "$@"
     EOS
@@ -24,7 +24,7 @@ class Antlr < Formula
 
   test do
     path = testpath/"Expr.g4"
-    path.write <<-EOS.undent
+    path.write <<~EOS
     grammar Expr;
     prog:\t(expr NEWLINE)* ;
     expr:\texpr ('*'|'/') expr

Formula/antlr4-cpp-runtime.rb

@@ -20,7 +20,7 @@ class Antlr4CppRuntime < Formula
   end
 
   test do
-    (testpath/"test.cc").write <<-EOS.undent
+    (testpath/"test.cc").write <<~EOS
         #include <antlr4-runtime.h>
         int main(int argc, const char* argv[]) {
             try {

Formula/antlr@2.rb

@@ -26,7 +26,7 @@ class AntlrAT2 < Formula
     include.install "lib/cpp/antlr"
     lib.install "lib/cpp/src/libantlr.a"
 
-    (bin/"antlr2").write <<-EOS.undent
+    (bin/"antlr2").write <<~EOS
       #!/bin/sh
       java -classpath #{libexec}/antlr.jar antlr.Tool "$@"
     EOS

Formula/antlr@3.rb

@@ -17,7 +17,7 @@ class AntlrAT3 < Formula
   def install
     libexec.install "antlr-3.5.2-complete.jar"
     (share+"java").install_symlink "#{libexec}/antlr-3.5.2-complete.jar" => "antlr3.jar"
-    (bin+"antlr3").write <<-EOS.undent
+    (bin+"antlr3").write <<~EOS
     #!/bin/sh
     java -jar #{libexec}/antlr-3.5.2-complete.jar "$@"
     EOS
@@ -25,7 +25,7 @@ class AntlrAT3 < Formula
 
   test do
     exppath = testpath/"Exp.g"
-    exppath.write <<-EOS.undent
+    exppath.write <<~EOS
     grammar Exp;
     eval returns [double value]
         :    exp=atomExp {$value = $exp.value;}
@@ -41,7 +41,7 @@ class AntlrAT3 < Formula
         ;
     EOS
     javapath = testpath/"ANTLRDemo.java"
-    javapath.write <<-EOS.undent
+    javapath.write <<~EOS
     import org.antlr.runtime.*;
     public class ANTLRDemo {
         public static void main(String[] args) throws Exception {

Formula/apache-archiva.rb

@@ -24,7 +24,7 @@ class ApacheArchiva < Formula
 
   plist_options :manual => "ARCHIVA_BASE=#{HOMEBREW_PREFIX}/var/archiva #{HOMEBREW_PREFIX}/opt/apache-archiva/bin/archiva console"
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     <?xml version="1.0" encoding="UTF-8"?>
     <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
     <plist version="1.0">

Formula/apache-arrow.rb

@@ -31,7 +31,7 @@ class ApacheArrow < Formula
   end
 
   test do
-    (testpath/"test.cpp").write <<-EOS.undent
+    (testpath/"test.cpp").write <<~EOS
       #include "arrow/api.h"
       int main(void)
       {

Formula/apache-zeppelin.rb

@@ -20,7 +20,7 @@ class ApacheZeppelin < Formula
       ENV["ZEPPELIN_CONF_DIR"] = "#{testpath}/conf"
       conf = testpath/"conf"
       conf.mkdir
-      (conf/"zeppelin-env.sh").write <<-EOF.undent
+      (conf/"zeppelin-env.sh").write <<~EOF
         export ZEPPELIN_WAR_TEMPDIR="#{testpath}/webapps"
         export ZEPPELIN_PORT=9999
         export ZEPPELIN_NOTEBOOK_DIR="#{testpath}/notebooks"

Formula/apcupsd.rb

@@ -47,7 +47,7 @@ class Apcupsd < Formula
   end
 
   def caveats
-    s = <<-EOS.undent
+    s = <<~EOS
       For #{name} to be able to communicate with UPSes connected via USB,
       the kernel extension must be installed by the root user:
 
@@ -58,7 +58,7 @@ class Apcupsd < Formula
     EOS
 
     if MacOS.version >= :el_capitan
-      s += <<-EOS.undent
+      s += <<~EOS
         Note: On OS X El Capitan and above, the kernel extension currently
         does not work as expected.
 
@@ -68,7 +68,7 @@ class Apcupsd < Formula
       EOS
     end
 
-    s += <<-EOS.undent
+    s += <<~EOS
       To load #{name} at startup, activate the included Launch Daemon:
 
         sudo cp #{prefix}/Library/LaunchDaemons/org.apcupsd.apcupsd.plist /Library/LaunchDaemons

Formula/ape.rb

@@ -27,7 +27,7 @@ class Ape < Formula
     system "make", "install", "prefix=#{prefix}"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     The default configuration file is stored in #{etc}. You should load aped with:
       aped --cfg #{etc}/ape.conf
     EOS

Formula/apel.rb

@@ -20,7 +20,7 @@ class Apel < Formula
 
   test do
     program = testpath/"test-apel.el"
-    program.write <<-EOS.undent
+    program.write <<~EOS
       (add-to-list 'load-path "#{elisp}/emu")
       (require 'poe)
       (print (minibuffer-prompt-width))

Formula/apgdiff.rb

@@ -30,14 +30,14 @@ class Apgdiff < Formula
     sql_orig = testpath/"orig.sql"
     sql_new = testpath/"new.sql"
 
-    sql_orig.write <<-EOS.undent
+    sql_orig.write <<~EOS
     SET search_path = public, pg_catalog;
     SET default_tablespace = '';
     CREATE TABLE testtable (field1 integer);
     ALTER TABLE public.testtable OWNER TO fordfrog;
     EOS
 
-    sql_new.write <<-EOS.undent
+    sql_new.write <<~EOS
     SET search_path = public, pg_catalog;
     SET default_tablespace = '';
     CREATE TABLE testtable (field1 integer,
@@ -45,7 +45,7 @@ class Apgdiff < Formula
     ALTER TABLE public.testtable OWNER TO fordfrog;
     EOS
 
-    expected = <<-EOS.undent.strip
+    expected = <<~EOS.strip
     ALTER TABLE testtable
     \tADD COLUMN field2 boolean DEFAULT false NOT NULL;
     EOS

Formula/apibuilder-cli.rb

@@ -11,7 +11,7 @@ class ApibuilderCli < Formula
   end
 
   test do
-    (testpath/"config").write <<-EOS.undent
+    (testpath/"config").write <<~EOS
       [default]
       token = abcd1234
     EOS

Formula/apollo.rb

@@ -44,7 +44,7 @@ class Apollo < Formula
     (bin/"apollo").write_env_script libexec/"bin/apollo", Language::Java.java_home_env
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     To create the broker:
         #{bin}/apollo create #{var}/apollo
     EOS
@@ -52,7 +52,7 @@ class Apollo < Formula
 
   plist_options :manual => "#{HOMEBREW_PREFIX}/var/apollo/bin/apollo-broker run"
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     <?xml version="1.0" encoding="UTF-8"?>
     <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
     <plist version="1.0">

Formula/apple-gcc42.rb

@@ -22,7 +22,7 @@ class AppleGcc42 < Formula
   end
 
   def caveats
-    <<-EOS.undent
+    <<~EOS
       NOTE:
       This formula provides components that were removed from XCode in the 4.2
       release. There is no reason to install this formula if you are using a
@@ -38,7 +38,7 @@ class AppleGcc42 < Formula
   end
 
   test do
-    (testpath/"hello-c.c").write <<-EOS.undent
+    (testpath/"hello-c.c").write <<~EOS
       #include <stdio.h>
       int main()
       {
@@ -49,7 +49,7 @@ class AppleGcc42 < Formula
     system "#{bin}/gcc-4.2", "-o", "hello-c", "hello-c.c"
     assert_equal "Hello, world!\n", `./hello-c`
 
-    (testpath/"hello-cc.cc").write <<-EOS.undent
+    (testpath/"hello-cc.cc").write <<~EOS
       #include <iostream>
       int main()
       {
@@ -60,7 +60,7 @@ class AppleGcc42 < Formula
     system "#{bin}/g++-4.2", "-o", "hello-cc", "hello-cc.cc"
     assert_equal "Hello, world!\n", `./hello-cc`
 
-    fixture = <<-EOS.undent
+    fixture = <<~EOS
       integer,parameter::m=10000
       real::a(m), b(m)
       real::fact=0.5

Formula/appledoc.rb

@@ -31,7 +31,7 @@ class Appledoc < Formula
   end
 
   test do
-    (testpath/"test.h").write <<-EOS.undent
+    (testpath/"test.h").write <<~EOS
       /**
        * This is a test class. It does stuff.
        *

Formula/aqbanking.rb

@@ -42,7 +42,7 @@ class Aqbanking < Formula
   test do
     ENV["TZ"] = "UTC"
     context = "balance.ctx"
-    (testpath/context).write <<-EOS.undent
+    (testpath/context).write <<~EOS
     accountInfoList {
       accountInfo {
         char bankCode="110000000"

Formula/arangodb.rb

@@ -56,7 +56,7 @@ class Arangodb < Formula
   end
 
   def caveats
-    s = <<-EOS.undent
+    s = <<~EOS
       An empty password has been set. Please change it by executing
         #{opt_sbin}/arango-secure-installation
     EOS
@@ -66,7 +66,7 @@ class Arangodb < Formula
 
   plist_options :manual => "#{HOMEBREW_PREFIX}/opt/arangodb/sbin/arangod"
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     <?xml version="1.0" encoding="UTF-8"?>
     <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
     <plist version="1.0">

Formula/archi-steam-farm.rb

@@ -10,7 +10,7 @@ class ArchiSteamFarm < Formula
 
   def install
     libexec.install "ASF.exe"
-    (bin/"asf").write <<-EOS.undent
+    (bin/"asf").write <<~EOS
       #!/bin/bash
       mono #{libexec}/ASF.exe "$@"
     EOS
@@ -19,7 +19,7 @@ class ArchiSteamFarm < Formula
     libexec.install_symlink etc/"asf" => "config"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     Config: #{etc}/asf/
     EOS
   end

Formula/archivemail.rb

@@ -24,7 +24,7 @@ class Archivemail < Formula
   end
 
   test do
-    (testpath/"inbox").write <<-EOS.undent
+    (testpath/"inbox").write <<~EOS
       From MAILER-DAEMON Fri Jul  8 12:08:34 2011
       From: Author <author@example.com>
       To: Recipient <recipient@example.com>

Formula/argp-standalone.rb

@@ -29,7 +29,7 @@ class ArgpStandalone < Formula
   end
 
   test do
-    (testpath/"test.c").write <<-EOS.undent
+    (testpath/"test.c").write <<~EOS
       #include <stdio.h>
       #include <argp.h>
 

Formula/argtable.rb

@@ -21,7 +21,7 @@ class Argtable < Formula
   end
 
   test do
-    (testpath/"test.c").write <<-EOF.undent
+    (testpath/"test.c").write <<~EOF
       #include "argtable2.h"
       #include <assert.h>
       #include <stdio.h>

Formula/arm.rb

@@ -12,7 +12,7 @@ class Arm < Formula
     bin.write_exec_script libexec/"arm"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     You'll need to enable the Tor Control Protocol in your torrc.
     See here for details: https://www.torproject.org/tor-manual.html.en
 

Formula/artifactory.rb

@@ -47,7 +47,7 @@ class Artifactory < Formula
 
   plist_options :manual => "#{HOMEBREW_PREFIX}/opt/artifactory/libexec/bin/artifactory.sh"
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     <?xml version="1.0" encoding="UTF-8"?>
     <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
     <plist version="1.0">

Formula/arx-libertatis.rb

@@ -76,7 +76,7 @@ class ArxLibertatis < Formula
   end
 
   def caveats
-    if build.with? "innoextract"; then <<-EOS.undent
+    if build.with? "innoextract"; then <<~EOS
       This package only contains the Arx Libertatis binary, not the game data.
       To play Arx Fatalis you will need to obtain the game from GOG.com and install
       the game data with:

Formula/asciidoc.rb

@@ -34,7 +34,7 @@ class Asciidoc < Formula
     system "make", "docs"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
       If you intend to process AsciiDoc files through an XML stage
       (such as a2x for manpage generation) you need to add something
       like:

Formula/asciidoctorj.rb

@@ -18,7 +18,7 @@ class Asciidoctorj < Formula
   end
 
   test do
-    (testpath/"test.adoc").write <<-EOS.undent
+    (testpath/"test.adoc").write <<~EOS
       = This Is A Title
       Random J. Author <rjauthor@example.com>
       :icons: font

Formula/asdf.rb

@@ -26,7 +26,7 @@ class Asdf < Formula
               "exec $(asdf_dir)/libexec/private/asdf-exec "
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     Add the following line to your bash profile (e.g. ~/.bashrc, ~/.profile, or ~/.bash_profile)
          source #{opt_prefix}/asdf.sh
 

Formula/asn1c.rb

@@ -27,7 +27,7 @@ class Asn1c < Formula
   end
 
   test do
-    (testpath/"test.asn1").write <<-EOS.undent
+    (testpath/"test.asn1").write <<~EOS
       MyModule DEFINITIONS ::=
       BEGIN
 

Formula/aspcud.rb

@@ -31,7 +31,7 @@ class Aspcud < Formula
   end
 
   test do
-    fixture = <<-EOS.undent
+    fixture = <<~EOS
       package: foo
       version: 1
 

Formula/aspectj.rb

@@ -15,14 +15,14 @@ class Aspectj < Formula
   end
 
   test do
-    (testpath/"Test.java").write <<-EOS.undent
+    (testpath/"Test.java").write <<~EOS
       public class Test {
         public static void main (String[] args) {
           System.out.println("Brew Test");
         }
       }
     EOS
-    (testpath/"TestAspect.aj").write <<-EOS.undent
+    (testpath/"TestAspect.aj").write <<~EOS
       public aspect TestAspect {
         private pointcut mainMethod () :
           execution(public static void main(String[]));

Formula/assimp.rb

@@ -27,7 +27,7 @@ class Assimp < Formula
 
   test do
     # Library test.
-    (testpath/"test.cpp").write <<-EOS.undent
+    (testpath/"test.cpp").write <<~EOS
       #include <assimp/Importer.hpp>
       int main() {
         Assimp::Importer importer;
@@ -38,7 +38,7 @@ class Assimp < Formula
     system "./test"
 
     # Application test.
-    (testpath/"test.obj").write <<-EOS.undent
+    (testpath/"test.obj").write <<~EOS
       # WaveFront .obj file - a single square based pyramid
 
       # Start a new group:

Formula/astyle.rb

@@ -24,7 +24,7 @@ class Astyle < Formula
     (testpath/"test.c").write("int main(){return 0;}\n")
     system "#{bin}/astyle", "--style=gnu", "--indent=spaces=4",
            "--lineend=linux", "#{testpath}/test.c"
-    assert_equal File.read("test.c"), <<-EOS.undent
+    assert_equal File.read("test.c"), <<~EOS
       int main()
       {
           return 0;

Formula/aterm.rb

@@ -23,7 +23,7 @@ class Aterm < Formula
   end
 
   test do
-    (testpath/"test.c").write <<-EOS.undent
+    (testpath/"test.c").write <<~EOS
       #include <aterm1.h>
 
       int main(int argc, char *argv[]) {

Formula/atk.rb

@@ -23,7 +23,7 @@ class Atk < Formula
   end
 
   test do
-    (testpath/"test.c").write <<-EOS.undent
+    (testpath/"test.c").write <<~EOS
       #include <atk/atk.h>
 
       int main(int argc, char *argv[]) {

Formula/atkmm.rb

@@ -26,7 +26,7 @@ class Atkmm < Formula
   end
 
   test do
-    (testpath/"test.cpp").write <<-EOS.undent
+    (testpath/"test.cpp").write <<~EOS
       #include <atkmm/init.h>
 
       int main(int argc, char *argv[])

Formula/ats2-postiats.rb

@@ -20,7 +20,7 @@ class Ats2Postiats < Formula
   end
 
   test do
-    (testpath/"hello.dats").write <<-EOS.undent
+    (testpath/"hello.dats").write <<~EOS
       val _ = print ("Hello, world!\n")
       implement main0 () = ()
     EOS

Formula/audacious.rb

@@ -84,7 +84,7 @@ class Audacious < Formula
     end
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     audtool does not work due to a broken dbus implementation on macOS, so is not built
     coreaudio output has been disabled as it does not work (Fails to set audio unit input property.)
     GTK+ gui is not built by default as the QT gui has better integration with macOS, and when built, the gtk gui takes precedence

Formula/augeas.rb

@@ -34,7 +34,7 @@ class Augeas < Formula
     system "make", "install"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     Lenses have been installed to:
       #{HOMEBREW_PREFIX}/share/augeas/lenses/dist
     EOS

Formula/aurora-cli.rb

@@ -22,7 +22,7 @@ class AuroraCli < Formula
 
   test do
     ENV["AURORA_CONFIG_ROOT"] = "#{testpath}/"
-    (testpath/"clusters.json").write <<-EOS.undent
+    (testpath/"clusters.json").write <<~EOS
         [{
           "name": "devcluster",
           "slave_root": "/tmp/mesos/",

Formula/auto-scaling.rb

@@ -22,7 +22,7 @@ class AutoScaling < Formula
   end
 
   def caveats
-    <<-EOS.undent
+    <<~EOS
       Before you can use these tools you must export some variables to your $SHELL.
         export AWS_ACCESS_KEY="<Your AWS Access ID>"
         export AWS_SECRET_KEY="<Your AWS Secret Key>"

Formula/autocode.rb

@@ -24,7 +24,7 @@ class Autocode < Formula
   end
 
   test do
-    (testpath/".autocode/config.yml").write <<-EOS.undent
+    (testpath/".autocode/config.yml").write <<~EOS
       name: test
       version: 0.1.0
       description: test description

Formula/autoconf-archive.rb

@@ -21,7 +21,7 @@ class AutoconfArchive < Formula
   end
 
   test do
-    (testpath/"test.m4").write <<-EOS.undent
+    (testpath/"test.m4").write <<~EOS
       AC_INIT(myconfig, version-0.1)
       AC_MSG_NOTICE([Hello, world.])
 

Formula/autoenv.rb

@@ -11,7 +11,7 @@ class Autoenv < Formula
     prefix.install "activate.sh"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     To finish the installation, source activate.sh in your shell:
       source #{opt_prefix}/activate.sh
     EOS

Formula/autojump.rb

@@ -24,7 +24,7 @@ class Autojump < Formula
     bin.write_exec_script libexec/"bin/autojump"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     Add the following line to your ~/.bash_profile or ~/.zshrc file (and remember
     to source the file to update your current session):
       [ -f #{etc}/profile.d/autojump.sh ] && . #{etc}/profile.d/autojump.sh

Formula/automake.rb

@@ -25,24 +25,24 @@ class Automake < Formula
 
     # Our aclocal must go first. See:
     # https://github.com/Homebrew/homebrew/issues/10618
-    (share/"aclocal/dirlist").write <<-EOS.undent
+    (share/"aclocal/dirlist").write <<~EOS
       #{HOMEBREW_PREFIX}/share/aclocal
       /usr/share/aclocal
     EOS
   end
 
   test do
-    (testpath/"test.c").write <<-EOS.undent
+    (testpath/"test.c").write <<~EOS
       int main() { return 0; }
     EOS
-    (testpath/"configure.ac").write <<-EOS.undent
+    (testpath/"configure.ac").write <<~EOS
       AC_INIT(test, 1.0)
       AM_INIT_AUTOMAKE
       AC_PROG_CC
       AC_CONFIG_FILES(Makefile)
       AC_OUTPUT
     EOS
-    (testpath/"Makefile.am").write <<-EOS.undent
+    (testpath/"Makefile.am").write <<~EOS
       bin_PROGRAMS = test
       test_SOURCES = test.c
     EOS

Formula/automake@1.12.rb

@@ -27,24 +27,24 @@ class AutomakeAT112 < Formula
 
     # Our aclocal must go first. See:
     # https://github.com/Homebrew/homebrew/issues/10618
-    (share/"aclocal/dirlist").write <<-EOS.undent
+    (share/"aclocal/dirlist").write <<~EOS
       #{HOMEBREW_PREFIX}/share/aclocal
       /usr/share/aclocal
     EOS
   end
 
   test do
-    (testpath/"test.c").write <<-EOS.undent
+    (testpath/"test.c").write <<~EOS
       int main() { return 0; }
     EOS
-    (testpath/"configure.ac").write <<-EOS.undent
+    (testpath/"configure.ac").write <<~EOS
       AC_INIT(test, 1.0)
       AM_INIT_AUTOMAKE
       AC_PROG_CC
       AC_CONFIG_FILES(Makefile)
       AC_OUTPUT
     EOS
-    (testpath/"Makefile.am").write <<-EOS.undent
+    (testpath/"Makefile.am").write <<~EOS
       bin_PROGRAMS = test
       test_SOURCES = test.c
     EOS

Formula/automysqlbackup.rb

@@ -19,7 +19,7 @@ class Automysqlbackup < Formula
     sbin.install "automysqlbackup"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     You will have to edit
       #{etc}/automysqlbackup/automysqlbackup.conf
     to set AutoMySQLBackup up to find your database and backup directory.
@@ -30,7 +30,7 @@ class Automysqlbackup < Formula
 
   plist_options :manual => "automysqlbackup"
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     <?xml version="1.0" encoding="UTF-8"?>
     <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
     <plist version="1.0">

Formula/autopsy.rb

@@ -13,7 +13,7 @@ class Autopsy < Formula
   # fixes weird configure script that wouldn't work nicely with homebrew
   patch :DATA
 
-  def autcfg; <<-EOS.undent
+  def autcfg; <<~EOS
     # Autopsy configuration settings
 
     # when set to 1, the server will stop after it receives no
@@ -59,7 +59,7 @@ class Autopsy < Formula
     bin.install "base/autopsy.base" => "autopsy"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     By default, the evidence locker is in:
       #{var}/lib/autopsy
     EOS

Formula/autorest.rb

@@ -21,7 +21,7 @@ class Autorest < Formula
 
   def install
     libexec.install Dir["tools/*"]
-    (bin/"autorest").write <<-EOS.undent
+    (bin/"autorest").write <<~EOS
       #!/bin/bash
       mono #{libexec}/AutoRest.exe "$@"
     EOS

Formula/avanor.rb

@@ -25,7 +25,7 @@ class Avanor < Formula
 
   test do
     script = (testpath/"script.exp")
-    script.write <<-EOS.undent
+    script.write <<~EOS
       #!/usr/bin/expect -f
       set timeout 10
       spawn avanor

Formula/avian.rb

@@ -25,7 +25,7 @@ class Avian < Formula
   end
 
   test do
-    (testpath/"Test.java").write <<-EOS.undent
+    (testpath/"Test.java").write <<~EOS
       public class Test {
         public static void main(String arg[]) {
           System.out.print("OK");

Formula/aws-cfn-tools.rb

@@ -23,7 +23,7 @@ class AwsCfnTools < Formula
   end
 
   def caveats
-    <<-EOS.undent
+    <<~EOS
       Before you can use these tools you must export some variables to your $SHELL.
         export AWS_ACCESS_KEY="<Your AWS Access ID>"
         export AWS_SECRET_KEY="<Your AWS Secret Key>"

Formula/aws-elasticache.rb

@@ -23,7 +23,7 @@ class AwsElasticache < Formula
   end
 
   def caveats
-    <<-EOS.undent
+    <<~EOS
       Before you can use these tools you must export some variables to your $SHELL.
         export AWS_ACCESS_KEY="<Your AWS Access ID>"
         export AWS_SECRET_KEY="<Your AWS Secret Key>"

Formula/aws-sdk-cpp.rb

@@ -32,7 +32,7 @@ class AwsSdkCpp < Formula
   end
 
   test do
-    (testpath/"test.cpp").write <<-EOS.undent
+    (testpath/"test.cpp").write <<~EOS
       #include <aws/core/Version.h>
       #include <iostream>
 

Formula/aws-sns-cli.rb

@@ -24,7 +24,7 @@ class AwsSnsCli < Formula
   end
 
   def caveats
-    <<-EOS.undent
+    <<~EOS
       Before you can use these tools you must export some variables to your $SHELL.
         export AWS_ACCESS_KEY="<Your AWS Access ID>"
         export AWS_SECRET_KEY="<Your AWS Secret Key>"

Formula/awscli.rb

@@ -29,7 +29,7 @@ class Awscli < Formula
     rm Dir["#{bin}/{aws.cmd,aws_bash_completer,aws_zsh_completer.sh}"]
     bash_completion.install "bin/aws_bash_completer"
     zsh_completion.install "bin/aws_zsh_completer.sh"
-    (zsh_completion/"_aws").write <<-EOS.undent
+    (zsh_completion/"_aws").write <<~EOS
         #compdef aws
         _aws () {
           local e
@@ -39,7 +39,7 @@ class Awscli < Formula
     EOS
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     The "examples" directory has been installed to:
       #{HOMEBREW_PREFIX}/share/awscli/examples
     EOS

Formula/azure-cli.rb

@@ -496,7 +496,7 @@ class AzureCli < Formula
     File.open(site_packages/"azure/cli/command_modules/__init__.py", "w") {}
     File.open(site_packages/"azure/mgmt/__init__.py", "w") {}
 
-    (bin/"az").write <<-EOS.undent
+    (bin/"az").write <<~EOS
       #!/usr/bin/env bash
       export PYTHONPATH="#{ENV["PYTHONPATH"]}"
       if command -v python#{xy} >/dev/null 2>&1; then
@@ -509,7 +509,7 @@ class AzureCli < Formula
     bash_completion.install "az.completion" => "az"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     This formula is for Azure CLI 2.0 - https://docs.microsoft.com/cli/azure/overview.
     The previous Azure CLI has moved to azure-cli@1
     ----

Formula/babel.rb

@@ -26,7 +26,7 @@ class Babel < Formula
   end
 
   test do
-    (testpath/"script.js").write <<-EOS.undent
+    (testpath/"script.js").write <<~EOS
       [1,2,3].map(n => n + 1);
     EOS
 

Formula/babeld.rb

@@ -20,7 +20,7 @@ class Babeld < Formula
 
   test do
     shell_output("#{bin}/babeld -I #{testpath}/test.pid -L #{testpath}/test.log", 1)
-    expected = <<-EOS.undent
+    expected = <<~EOS
       Couldn't tweak forwarding knob.: Operation not permitted
       kernel_setup failed.
     EOS

Formula/babl.rb

@@ -29,7 +29,7 @@ class Babl < Formula
   end
 
   test do
-    (testpath/"test.c").write <<-EOS.undent
+    (testpath/"test.c").write <<~EOS
       #include <babl/babl.h>
       int main() {
         babl_init();

Formula/bacula-fd.rb

@@ -40,7 +40,7 @@ class BaculaFd < Formula
 
   plist_options :startup => true, :manual => "bacula-fd"
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     <?xml version="0.0" encoding="UTF-8"?>
     <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
     <plist version="1.0">

Formula/bam.rb

@@ -26,7 +26,7 @@ class Bam < Formula
   end
 
   test do
-    (testpath/"hello.c").write <<-EOS.undent
+    (testpath/"hello.c").write <<~EOS
       #include <stdio.h>
       int main() {
         printf("hello\\n");
@@ -34,7 +34,7 @@ class Bam < Formula
       }
     EOS
 
-    (testpath/"bam.lua").write <<-EOS.undent
+    (testpath/"bam.lua").write <<~EOS
       settings = NewSettings()
       objs = Compile(settings, Collect("*.c"))
       exe = Link(settings, "hello", objs)

Formula/bartycrouch.rb

@@ -24,7 +24,7 @@ class Bartycrouch < Formula
   end
 
   test do
-    (testpath/"Test.swift").write <<-EOS.undent
+    (testpath/"Test.swift").write <<~EOS
     import Foundation
 
     class Test {
@@ -34,7 +34,7 @@ class Bartycrouch < Formula
     }
     EOS
 
-    (testpath/"en.lproj/Localizable.strings").write <<-EOS.undent
+    (testpath/"en.lproj/Localizable.strings").write <<~EOS
     /* No comment provided by engineer. */
     "oldKey" = "Some translation";
     EOS

Formula/bash-completion.rb

@@ -40,7 +40,7 @@ class BashCompletion < Formula
     system "make", "install"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     Add the following line to your ~/.bash_profile:
       [ -f #{etc}/bash_completion ] && . #{etc}/bash_completion
     EOS

Formula/bash-completion@2.rb

@@ -25,7 +25,7 @@ class BashCompletionAT2 < Formula
     system "make", "install"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     Add the following to your ~/.bash_profile:
       if [ -f #{HOMEBREW_PREFIX}/share/bash-completion/bash_completion ]; then
         . #{HOMEBREW_PREFIX}/share/bash-completion/bash_completion

Formula/bash-git-prompt.rb

@@ -16,7 +16,7 @@ class BashGitPrompt < Formula
     doc.install "README.md"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     You should add the following to your .bashrc (or equivalent):
       if [ -f "#{HOMEBREW_PREFIX}/opt/bash-git-prompt/share/gitprompt.sh" ]; then
         __GIT_PROMPT_DIR="#{HOMEBREW_PREFIX}/opt/bash-git-prompt/share"

Formula/bash-preexec.rb

@@ -12,7 +12,7 @@ class BashPreexec < Formula
     (prefix/"etc/profile.d").install "bash-preexec.sh"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     Add the following line to your bash profile (e.g. ~/.bashrc, ~/.profile, or ~/.bash_profile)
       [ -f #{etc}/profile.d/bash-preexec.sh ] && . #{etc}/profile.d/bash-preexec.sh
     EOS

Formula/bash.rb

@@ -62,7 +62,7 @@ class Bash < Formula
     system "make", "install"
   end
 
-  def caveats; <<-EOS.undent
+  def caveats; <<~EOS
     In order to use this build of bash as your login shell,
     it must be added to /etc/shells.
     EOS

Formula/bats.rb

@@ -12,7 +12,7 @@ class Bats < Formula
   end
 
   test do
-    (testpath/"testing.sh").write <<-EOS.undent
+    (testpath/"testing.sh").write <<~EOS
     #!/usr/bin/env bats
       @test "addition using bc" {
         result="$(echo 2+2 | bc)"

Formula/bazel.rb

@@ -32,7 +32,7 @@ class Bazel < Formula
   test do
     touch testpath/"WORKSPACE"
 
-    (testpath/"ProjectRunner.java").write <<-EOS.undent
+    (testpath/"ProjectRunner.java").write <<~EOS
       public class ProjectRunner {
         public static void main(String args[]) {
           System.out.println("Hi!");
@@ -40,7 +40,7 @@ class Bazel < Formula
       }
     EOS
 
-    (testpath/"BUILD").write <<-EOS.undent
+    (testpath/"BUILD").write <<~EOS
       java_binary(
         name = "bazel-test",
         srcs = glob(["*.java"]),

Formula/bazel@0.2.rb

@@ -41,7 +41,7 @@ class BazelAT02 < Formula
   test do
     touch testpath/"WORKSPACE"
 
-    (testpath/"ProjectRunner.java").write <<-EOS.undent
+    (testpath/"ProjectRunner.java").write <<~EOS
       public class ProjectRunner {
         public static void main(String args[]) {
           System.out.println("Hi!");
@@ -49,7 +49,7 @@ class BazelAT02 < Formula
       }
     EOS
 
-    (testpath/"BUILD").write <<-EOS.undent
+    (testpath/"BUILD").write <<~EOS
       java_binary(
         name = "bazel-test",
         srcs = glob(["*.java"]),

Formula/bchunk.rb

@@ -20,7 +20,7 @@ class Bchunk < Formula
   end
 
   test do
-    (testpath/"foo.cue").write <<-EOS.undent
+    (testpath/"foo.cue").write <<~EOS
     foo.bin BINARY
     TRACK 01 MODE1/2352
     INDEX 01 00:00:00

Formula/bcpp.rb

@@ -19,7 +19,7 @@ class Bcpp < Formula
   end
 
   test do
-    (testpath/"test.txt").write <<-EOS.undent
+    (testpath/"test.txt").write <<~EOS
               test
                  test
           test