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/runtime/doc/options.txt b/runtime/doc/options.txt
index 441f180177..7f95a19918 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -2611,6 +2611,10 @@ A jump table for the options with a short description can be found at |Q_op|.
 	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.
@@ -2630,7 +2634,8 @@ A jump table for the options with a short description can be found at |Q_op|.
 	>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()