[PATCH] Use null_glob when expanding file pattern in zmv

[Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>]

See discussion in users/29386 through users/29410

diff --git a/Doc/Zsh/contrib.yo b/Doc/Zsh/contrib.yo
index f43ac2257..e1781a5e1 100644
--- a/Doc/Zsh/contrib.yo
+++ b/Doc/Zsh/contrib.yo
@@ -4668,10 +4668,10 @@ renames `tt(foo.lis)' to `tt(foo.txt)', `tt(my.old.stuff.lis)' to
 
 The pattern is always treated as an tt(EXTENDED_GLOB) pattern.  Any file
 whose name is not changed by the substitution is simply ignored.  Any
-error (a substitution resulted in an empty string, two substitutions gave
-the same result, the destination was an existing regular file and tt(-f)
-was not given) causes the entire function to abort without doing
-anything.
+error (no files matched the var(srcpat), substitution resulted in an empty
+string, two substitutions gave the same result, the destination was an
+existing regular file and tt(-f) was not given) causes the entire function
+to abort without doing anything.
 
 In addition to pattern replacement, the variable tt($f) can be referred
 to in the second (replacement) argument.  This makes it possible to
diff --git a/Functions/Misc/zmv b/Functions/Misc/zmv
index 269fe5ba5..5c03e9ea1 100644
--- a/Functions/Misc/zmv
+++ b/Functions/Misc/zmv
@@ -236,12 +236,18 @@ if [[ $pat = (#b)(*)\((\*\*##/)\)(*) ]]; then
 else
   fpat=$pat
 fi
-files=(${~fpat})
 
 [[ -n $hasglobqual ]] && pat=$opat
 
 errs=()
 
+() {
+  # (#qN) breaks bareglobqual -Q option, so:
+  setopt localoptions nullglob
+  files=(${~fpat})
+}
+(( ${#files} )) || errs=( "no files matched \`$fpat'" )
+
 for f in $files; do
   if [[ $pat = (#b)(*)\(\*\*##/\)(*) ]]; then
     # This looks like a recursive glob.  This isn't good enough,