fix(healthcheck): add fallback logic for < 0.10 closes #23 (#26)

README.md

@@ -328,6 +328,7 @@ The following plugins are nice additions to your Neovim and Kitty setup.
 - StackExchange [CamelCase2snake_case()](https://codegolf.stackexchange.com/a/177958/119424) - for converting Neovim highlight names to `SCREAMING_SNAKE_CASE`
 - [panvimdoc](https://github.com/kdheepak/panvimdoc) - generating vimdocs from README
 - [lemmy-help](https://github.com/numToStr/lemmy-help) - generating vimdocs from Lua annotations
+- [bob](https://github.com/MordechaiHadad/bob) - easy Neovim version management to check backward compatibility
 
 ## 🐶 Alternatives
 - [kitty_grab](https://github.com/yurikhan/kitty_grab) - Keyboard-driven screen grabber for Kitty

doc/kitty-scrollback.nvim.txt

@@ -410,6 +410,7 @@ ACKNOWLEDGEMENTS                      *kitty-scrollback.nvim-acknowledgements*
 - StackExchange CamelCase2snake_case() <https://codegolf.stackexchange.com/a/177958/119424> - for converting Neovim highlight names to `SCREAMING_SNAKE_CASE`
 - panvimdoc <https://github.com/kdheepak/panvimdoc> - generating vimdocs from README
 - lemmy-help <https://github.com/numToStr/lemmy-help> - generating vimdocs from Lua annotations
+- bob <https://github.com/MordechaiHadad/bob> - easy Neovim version management to check backward compatibility
 
 
 ALTERNATIVES                              *kitty-scrollback.nvim-alternatives*

lua/kitty-scrollback/health.lua

@@ -183,18 +183,22 @@ local function check_sed()
 end
 
 M.check_nvim_version = function(check_only)
+  -- fallback to older health report calls if using < 0.10
+  local start_fn = vim.health.start or vim.health.report_start
+  local ok_fn = vim.health.ok or vim.health.report_ok
+  local error_fn = vim.health.error or vim.health.report_error
   if not check_only then
-    vim.health.start('kitty-scrollback: Neovim version 0.10+')
+    start_fn('kitty-scrollback: Neovim version 0.10+')
   end
   local nvim_version = 'NVIM ' .. ksb_util.nvim_version_tostring()
   if vim.fn.has('nvim-0.10') > 0 then
     if not check_only then
-      vim.health.ok(nvim_version)
+      ok_fn(nvim_version)
     end
     return true
   else
     if not check_only then
-      vim.health.error(nvim_version, M.advice().nvim_version)
+      error_fn(nvim_version, M.advice().nvim_version)
     end
   end
   return false
@@ -274,12 +278,15 @@ local function check_kitty_scrollback_nvim_version()
          \| | `|`_`|`/\
           /_// ___/     *Bonus* *points* *for* *cat* *memes*
              \_)       ]])
+
+  -- Always consider true even if git version is not found to provide additional health checks
+  return true
 end
 
 M.check = function()
-  check_kitty_scrollback_nvim_version()
   if
-    M.check_nvim_version()
+    M.check_nvim_version() -- always check first to avoid undefined calls in versions < 0.10
+    and check_kitty_scrollback_nvim_version()
     and check_kitty_remote_control()
     and check_has_kitty_data()
     and M.check_kitty_version()