vim-patch:9.1.0821: 'findexpr' completion doesn't set v:fname to cmdline argument

Problem:  'findexpr' completion doesn't set v:fname to cmdline argument.
Solution: Set v:fname to the cmdline argument as-is (zeertzjq).

closes: vim/vim#15934

https://github.com/vim/vim/commit/20e045f78148c0ef0143c33ffe686fee72d29376

1 files changed, 6 insertions, 1 deletions

diff --git a/src/nvim/options.lua b/src/nvim/options.lua
index 2e037d80d3..d59958eaf2 100644
--- a/src/nvim/options.lua
+++ b/src/nvim/options.lua
@@ -2920,6 +2920,10 @@ return {
         The expression is evaluated only once per |:find| command invocation.
         The expression can process all the directories specified in 'path'.
 
+        The expression may be evaluated for command-line completion as well,
+        in which case the |v:cmdcomplete| variable will be set to |v:true|,
+        otherwise it will be set to |v:false|.
+
         If a match is found, the expression should return a |List| containing
         one or more file names.  If a match is not found, the expression
         should return an empty List.
@@ -2939,7 +2943,8 @@ return {
         >vim
             " Use glob()
             func FindExprGlob()
-        	return glob(v:fname, v:false, v:true)
+        	let pat = v:cmdcomplete ? $'{v:fname}*' : v:fname
+        	return glob(pat, v:false, v:true)
             endfunc
             set findexpr=FindExprGlob()