runtime(dist): add legacy version for central vim library
Also, enable the zip and gzip plugins by default, unless those variables
were not explicitly set by the user.
related: #13413
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/autoload/dist/vim.vim b/runtime/autoload/dist/vim.vim
index 57b757f..d5a8984 100644
--- a/runtime/autoload/dist/vim.vim
+++ b/runtime/autoload/dist/vim.vim
@@ -1,17 +1,30 @@
-vim9script
+" Vim runtime support library,
+" runs the vim9 script version or legacy script version
+" on demand (mostly for Neovim compatability)
+"
+" Maintainer: The Vim Project <https://github.com/vim/vim>
+" Last Change: 2023 Nov 04
-# Vim runtime support library
-#
-# Maintainer: The Vim Project <https://github.com/vim/vim>
-# Last Change: 2023 Oct 25
-export def IsSafeExecutable(filetype: string, executable: string): bool
- var cwd = getcwd()
- return get(g:, filetype .. '_exec', get(g:, 'plugin_exec', 0))
- && (fnamemodify(exepath(executable), ':p:h') !=# cwd
- || (split($PATH, has('win32') ? ';' : ':')->index(cwd) != -1
- && cwd != '.'))
-enddef
+" enable the zip and gzip plugin by default, if not set
+if !exists('g:zip_exec')
+ let g:zip_exec = 1
+endif
-# Uncomment this line to check for compilation errors early
-# defcompile
+if !exists('g:gzip_exec')
+ let g:gzip_exec = 1
+endif
+
+if !exists(":def")
+ function dist#vim#IsSafeExecutable(filetype, executable)
+ let cwd = getcwd()
+ return get(g:, a:filetype .. '_exec', get(g:, 'plugin_exec', 0)) &&
+ \ (fnamemodify(exepath(a:executable), ':p:h') !=# cwd
+ \ || (split($PATH, has('win32') ? ';' : ':')->index(cwd) != -1 &&
+ \ cwd != '.'))
+ endfunction
+else
+ def dist#vim#IsSafeExecutable(filetype: string, executable: string): bool
+ return dist#vim9#IsSafeExecutable(filetype, executable)
+ enddef
+endif