- Add support for using heredoc

Author: DannyBen

lib/bashly/extensions/array.rb

@@ -10,7 +10,7 @@ def indent(offset)
         heredoc_marker = nil if /^#{heredoc_marker}\n?$/.match?(line)
         line
       else
-        heredoc_marker = $1 if line =~ /<<-?(\w+)\n?$/
+        heredoc_marker = $1 if line =~ /<<-?\s*(\w[\w\d]*)/
         "#{indentation}#{line}"
       end
     end

spec/approvals/fixtures/heredoc

@@ -14,3 +14,7 @@ also unindented
 
       3 indentations with empty line above
 also unindented
+writing to file:
+0 indentation
+  1 indentation
+  1 indentation

spec/fixtures/workspaces/heredoc/output.txt

@@ -0,0 +1,3 @@
+0 indentation
+  1 indentation
+  1 indentation

spec/fixtures/workspaces/heredoc/src/root_command.sh

@@ -16,3 +16,12 @@ cat <<-SECOND_BLOCK
 SECOND_BLOCK
 
 echo also unindented
+
+echo "writing to file:"
+cat << EOF > output.txt
+0 indentation
+  1 indentation
+  1 indentation
+EOF
+
+cat output.txt