shgit: quote glob characters

utils/shgit

@@ -1,5 +1,5 @@
 # shgit
-# Written in 2019 by Lucas
+# Written in 2019,2021 by Lucas
 # CC0 1.0 Universal/Public domain - No rights reserved
 #
 # To the extent possible under law, the author(s) have dedicated all
@@ -21,7 +21,7 @@ shgit()
 
 	if ! name=$(git symbolic-ref -q --short HEAD); then
 		name=$(git rev-parse --short HEAD 2>/dev/null)
-		name=${name:-?}
+		name=${name:-"?"}
 	fi
 
 	rb=
@@ -39,10 +39,10 @@ shgit()
 	status=
 	if [ "$worktree" = "true" ]; then
 		if [ -n "$(git status --porcelain)" ]; then
-			status=${SHGIT_SEP}*
+			status=$SHGIT_SEP"*"
 		fi
 	else
-		status=${SHGIT_SEP}?
+		status=$SHGIT_SEP"?"
 	fi
 
 	oldIFS=$IFS