add os detect function

.vimrc

@@ -6,6 +6,8 @@
     " dotfile location
     let g:mydotfiles_directory = expand('~/.dotfiles/')
     let after_directory = g:mydotfiles_directory . 'config/vi-plugs/coc-theme/after/'
+
+    " detect vim type(vim or nvim)
     if has('nvim')
         let g:vim_type = 'nvim'
         let g:vim_version = matchstr(execute('version'), 'NVIM v\zs[^\n]*')
@@ -13,6 +15,14 @@
         let g:vim_type = 'vim'
         let g:vim_version = matchstr(execute('version'), 'Vi IMproved \zs[^\n]*')
     endif
+
+    " detect operating system (Windows/Linux/Darwin)
+    if has("win64") || has("win32") || has("win16")
+        let g:os = "Windows"
+    else
+        let g:os = substitute(system('uname'), '\n', '', '')
+    endif
+
     let g:vim_version = str2float(g:vim_version)
     let g:dotfile_path = '~/.dotfiles/'
 

.vimrc.bundles

@@ -312,7 +312,7 @@ endfunction
         endfunction
         call airline#parts#define_function('bufnum', 'BufferNumber')
 
-        let g:airline_extensions = ['bufferline', 'filetype']
+        let g:airline_extensions = ['bufferline']
         let g:airline_section_x       = airline#section#create(['bufnum'])
         let g:airline_section_y       = ''
         let g:airline_section_z       = airline#section#create(['filetype'])
@@ -355,7 +355,11 @@ endfunction
 
         "   - Preview window on the right with 50% width
         "   - CTRL-/ will toggle preview window.
-        let g:fzf_preview_window = ['right:50%', 'ctrl-/']
+        if g:os == 'Windows'
+            let g:fzf_preview_window = []
+        else
+            let g:fzf_preview_window = ['right:50%', 'ctrl-/']
+        end
 
 
         " check if ripgrep is installed
@@ -373,7 +377,6 @@ endfunction
     if HasPlug("coc.nvim") && executable('node')
         " add desired extensions to the following global variable
         " coc-clangd: c/c++, may need to install clangd seperatly
-        let g:coc_global_extensions = ['coc-pyright', 'coc-rls', 'coc-clangd', 'coc-tsserver', 'coc-html', 'coc-cmake', 'coc-json', 'coc-sh', 'coc-java']
 
         if filereadable(g:mydotfiles_directory . "/coc-nvim-config.vim")
             exec "source " . g:mydotfiles_directory . "/coc-nvim-config.vim"

coc-nvim-config.vim

@@ -1,4 +1,10 @@
 
+" let g:coc_global_extensions = ['coc-pyright', 'coc-rls', 'coc-clangd', 'coc-tsserver', 'coc-html', 'coc-cmake', 'coc-json', 'coc-sh', 'coc-java']
+let g:coc_global_extensions = ['coc-pyright', 'coc-tsserver']
+
+g:coc_data_home = g:vim_dir . '/coc'
+g:coc_config_home = g:vim_dir . '/coc'
+
 " Use <c-space> to trigger completion.
 if has('nvim')
   inoremap <silent><expr> <c-space> coc#refresh()

install.py

@@ -19,7 +19,7 @@ def exist(app):
 
 def program_must_exist(app):
     if not exist(app):
-        fatal_error(app, "must be installed to continue")
+        fatal_error("must be installed to continue")
 
 def fatal_error(msg):
     print('Error:', msg)