Update README.md and begin adding a fish shell autocompletion script.

CMakeLists.txt

@@ -55,7 +55,8 @@ if (UNIX AND NOT MINGW)
     if (NOT DEFINED CPACK_GENERATOR)
         set(CPACK_GENERATOR TGZ;STGZ;RPM;DEB)
     endif()
-    install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/scripts/bash-completion.sh DESTINATION ${CMAKE_INSTALL_SYSCONFDIR}/ybcon.d)
+    install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/scripts/bash-completion.sh ${CMAKE_CURRENT_SOURCE_DIR}/scripts/fish-completion.fish
+            DESTINATION ${CMAKE_INSTALL_SYSCONFDIR}/ybcon.d)
     install(FILES ${CMAKE_CURRENT_BINARY_DIR}/ybcon ${CMAKE_CURRENT_SOURCE_DIR}/scripts/ybcon.sh
             PERMISSIONS
             OWNER_WRITE

README.md

@@ -7,7 +7,7 @@ Aka Yer Bacon,
 
 - #### A language that transpiles into lua, javascript or python code.
 
-Here's how the "hello world" will look like.
+Here's how the basic "hello world" script will look like.
 ```
 main #= [] -> {
   println "Hello, World!"

scripts/fish-completion.fish

@@ -0,0 +1 @@
+set -l commands --help -p --printresult

scripts/postinst.sh

@@ -4,7 +4,16 @@
 
 ln -sf /opt/bin/ybcon.sh /usr/bin/ybcon
 
+ybconDir="/opt/etc/ybcon.d"
+fishLoc="/usr/share/fish/vendor_completions.d"
 bashcompleteLoc="/etc/bash_completion.d"
 if [ -d $bashcompleteLoc ]; then
-  ln -sf /opt/etc/ybcon.d/bash-completion.sh "$bashcompleteLoc/ybcon.sh"
+  ln -sf "$ybconDir/bash-completion.sh" "$bashcompleteLoc/ybcon.sh"
+fi
+
+if [ -f "fish" ]; then
+  if [ ! -d $fishLoc ]; then
+    mkdir "$fishLoc"
+  fi
+  ln -sf "$ybconDir/fish-completion.fish" "$fishLoc/ybcon.fish"
 fi