Improve plugin startup time

Instead of running nvim-ghost-binary --version (which takes a long time)
to get the version of the installed binary, we distribute a .version
file along with the binary, and read from that.

.github/workflows/build_release_binaries.yaml

@@ -19,7 +19,9 @@ jobs:
             asset_name: nvim-ghost-macos.tar.gz
             asset_path: binary.tar.gz
             asset_type: application/gzip
-            packaging_command: tar -czf binary.tar.gz nvim-ghost-binary
+            packaging_command: |
+              cp binary_version nvim-ghost-binary.version
+              tar -czf binary.tar.gz nvim-ghost-binary nvim-ghost-binary.version
             upload_command: |
               curl -L \
                 -X POST \
@@ -34,7 +36,9 @@ jobs:
             asset_name: nvim-ghost-linux.tar.gz
             asset_path: binary.tar.gz
             asset_type: application/gzip
-            packaging_command: tar -czf binary.tar.gz nvim-ghost-binary
+            packaging_command: |
+              cp binary_version nvim-ghost-binary.version
+              tar -czf binary.tar.gz nvim-ghost-binary nvim-ghost-binary.version
             upload_command: |
               curl -L \
                 -X POST \
@@ -49,7 +53,9 @@ jobs:
             asset_name: nvim-ghost-win64.zip
             asset_path: binary.zip
             asset_type: application/zip
-            packaging_command: 7z a -tzip binary.zip nvim-ghost-binary.exe
+            packaging_command: |
+              Copy-Item binary_version nvim-ghost-binary.exe.version
+              7z a -tzip binary.zip nvim-ghost-binary.exe nvim-ghost-binary.exe.version
             upload_command: |
               Invoke-WebRequest `
                 -Method POST `

.gitignore

@@ -2,6 +2,8 @@ __pycache__
 build
 nvim-ghost-binary
 nvim-ghost-binary.exe
+nvim-ghost-binary.version
+nvim-ghost-binary.exe.version
 nvim-ghost-macos.tar.gz
 nvim-ghost-linux.tar.gz
 nvim-ghost-win64.zip

autoload/nvim_ghost.vim

@@ -3,10 +3,9 @@ if !has('nvim')
 endif
 
 function! nvim_ghost#init()
-  " We need trim() because Windows may introduce trailing CR or LF characters
   if !g:nvim_ghost_use_script && (!filereadable(g:nvim_ghost_binary_path) ||
-        \ trim(readfile(g:nvim_ghost_installation_dir .. 'binary_version')[0])
-        \ != trim(systemlist([g:nvim_ghost_binary_path, "--version"])[0])
+        \ readfile(g:nvim_ghost_installation_dir .. 'binary_version')[0]  !=
+        \ readfile(g:nvim_ghost_binary_path .. ".version")[0]
         \)
     call nvim_ghost#installer#install(function("nvim_ghost#enable"))
   else

binary.py

@@ -18,7 +18,7 @@
 from simple_websocket_server import WebSocket
 from simple_websocket_server import WebSocketServer
 
-BUILD_VERSION: str = "v0.2.0"
+BUILD_VERSION: str = "v0.2.1"
 
 WINDOWS: bool = os.name == "nt"
 LOCALHOST: str = "127.0.0.1" if WINDOWS else "localhost"

binary_version

@@ -1 +1 @@
-v0.2.0
+v0.2.1