Add LICENSE to install.zsh

also also simplify pattern and replacement for a gsub call.

Author: ericbn

Makefile

@@ -1,4 +1,4 @@
-srcfiles := src/install.zsh.erb $(wildcard src/*/*)
+srcfiles := src/install.zsh.erb $(wildcard src/*/*) LICENSE
 
 install.zsh: $(srcfiles)
 	erb $< >| $@

install.zsh

@@ -1,6 +1,28 @@
 # AUTOMATICALLY GENERATED FILE. EDIT ONLY THE SOURCE FILES AND THEN COMPILE.
 # DO NOT DIRECTLY EDIT THIS FILE!
 
+# MIT License
+#
+# Copyright (c) 2019-2020 Eric Nielsen and contributors
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
 if [[ -z ${ZSH_VERSION} ]]; then
   print -u2 -P '%F{red}x You must use zsh to run install.zsh'
   return 1

src/install.zsh.erb

@@ -23,7 +23,7 @@ class Zim
   def render_template(filename)
     render(filename)
       .gsub(/\\/, "\\\\\\\\")
-      .gsub(/(\$[^']|"|`)/, "\\\\\\1")
+      .gsub(/(?=\$[^']|"|`)/, "\\\\")
       .gsub(/\\\${ZDOTDIR:-\\\${HOME}}\/\.zim\b/, "${ZIM_HOME_STR}")
   end
 
@@ -32,9 +32,14 @@ class Zim
       "ZTEMPLATES[#{File.basename(filename)}]=\"#{render_template(filename)}\""
     }.join("\n")
   end
+
+  def render_commented(filename)
+    render(filename).gsub(/^(?=.)/, "# ").gsub(/^$/, "#")
+  end
 end
 zim = Zim.new
 %># AUTOMATICALLY GENERATED FILE. EDIT ONLY THE SOURCE FILES AND THEN COMPILE.
 # DO NOT DIRECTLY EDIT THIS FILE!
 
+<%= zim.render_commented("LICENSE") %>
 <%= zim.render_all("src/steps/*.erb") %>