Fix heredoc tab error

modules/03-install-brew.sh

@@ -157,7 +157,8 @@ function downloadHomebrew() {
 function createBrewCallerScript() {
   local username=${homebrew_username}
   local brewCallerPath="${homebrew_prefix}/Homebrew/bin/brew_caller"
-  print -- "#!/usr/bin/env zsh
+  cat <<- BREWCALLER > ${brewCallerPath}
+	#!/usr/bin/env zsh
 	if [ \"\$(id -un)\" != \"${username}\" ]; then
 	  echo 'brew will be run as ${username} user.' >&2
 	  sudo -E -u \"${username}\" \"\$0\" \"\$@\"
@@ -171,7 +172,8 @@ function createBrewCallerScript() {
 	export HOMEBREW_NO_ANALYTICS_THIS_RUN=1
 	export HOMEBREW_NO_ANALYTICS_MESSAGE_OUTPUT=1
 	umask 002
-  \"${homebrew_prefix}/Homebrew/bin/brew\" \"\$@\"" > ${brewCallerPath}
+	\"${homebrew_prefix}/Homebrew/bin/brew\" \"\$@\"
+	BREWCALLER
   chown ${username}:admin ${brewCallerPath}
   chmod u+x,go-x ${brewCallerPath}
   runAsHomebrewUser ln -sf ${homebrew_prefix}/Homebrew/bin/brew_caller "${homebrew_prefix}/bin/brew"
@@ -196,9 +198,10 @@ function createLaunchDaemonsPlist() {
   local launcherPath="/Library/LaunchDaemons/${launcherName}.plist"
   [[ -f $launcherPath ]] && return
   local brewCommand="$2"
-  echo "<?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\">
+  cat <<- LAUNCHDPLIST > ${launcherPath}
+  <?xml version=\"1.0\" encoding=\"UTF-8\"?>
+	<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">
+	<plist version=\"1.0\">
 	<dict>
 	  <key>Label</key>
 	  <string>${launcherName}</string>
@@ -217,7 +220,8 @@ function createLaunchDaemonsPlist() {
 	  <key>Umask</key>
 	  <integer>2</integer>
 	</dict>
-</plist>" > "${launcherPath}"
+	</plist>"
+	LAUNCHDPLIST
   chown root:wheel ${launcherPath}
   chmod u=rw,go=r ${launcherPath}
   launchctl bootstrap system ${launcherPath}