3 files changed, 19 insertions, 9 deletions
diff --git a/runtime/autoload/dist/vim.vim b/runtime/autoload/dist/vim.vim
new file mode 100644
index 0000000000..57b757f021
--- /dev/null
+++ b/runtime/autoload/dist/vim.vim
@@ -0,0 +1,17 @@
+vim9script
+
+# 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
+
+# Uncomment this line to check for compilation errors early
+# defcompile
diff --git a/runtime/autoload/gzip.vim b/runtime/autoload/gzip.vim
index 6d0bb13401..26b1cda034 100644
--- a/runtime/autoload/gzip.vim
+++ b/runtime/autoload/gzip.vim
@@ -11,10 +11,7 @@ fun s:check(cmd)
   let name = substitute(a:cmd, '\(\S*\).*', '\1', '')
   if !exists("s:have_" . name)
     " safety check, don't execute anything from the current directory
-    let s:tmp_cwd = getcwd()
-    let f = (fnamemodify(exepath(name), ":p:h") !=# s:tmp_cwd
-          \ || (index(split($PATH,has("win32")? ';' : ':'), s:tmp_cwd) != -1 && s:tmp_cwd != '.'))
-    unlet s:tmp_cwd
+    let f = dist#vim#IsSafeExecutable('gzip', name)
     if !f
       echoerr "Warning: NOT executing " .. name .. " from current directory!"
     endif
diff --git a/runtime/autoload/zip.vim b/runtime/autoload/zip.vim
index 8b39c91c3a..e61293c357 100644
--- a/runtime/autoload/zip.vim
+++ b/runtime/autoload/zip.vim
@@ -57,14 +57,10 @@ if !exists("g:zip_extractcmd")
  let g:zip_extractcmd= g:zip_unzipcmd
 endif
 
-let s:tmp_cwd = getcwd()
-if (fnamemodify(exepath(g:zip_unzipcmd), ":p:h") ==# getcwd()
-          \ && (index(split($PATH,has("win32")? ';' : ':'), s:tmp_cwd) == -1 || s:tmp_cwd == '.'))
- unlet s:tmp_cwd
+if !dist#vim#IsSafeExecutable('zip', g:zip_unzipcmd)
  echoerr "Warning: NOT executing " .. g:zip_unzipcmd .. " from current directory!"
  finish
 endif
-unlet s:tmp_cwd
 
 " ----------------
 "  Functions: {{{1