Index: setup.sh
==================================================================
--- setup.sh
+++ setup.sh
@@ -22,17 +22,27 @@
 	echo "Setting global fossil settings…"
 
 	fossil set --global autosync 0
 	fossil set --global editor 'vim -c "se ft=gitcommit"'
 	fossil set --global mv-rm-files 1
-	gpg_args="-u 35E1AF8B --clearsign -o"
+
 	if have gpg2; then
-		fossil set --global clearsign 1
-		fossil set --global pgp-command "gpg2 $gpg_args"
+		gpg="gpg2"
 	elif have gpg; then
+		gpg="gpg"
+	else
+		gpg=":"
+	fi
+
+	gpg_key="35E1AF8B"
+	if test $($gpg -a --export $gpg_key 2>/dev/null | wc -c) -gt 0; then
+		fossil set --global pgp-command \
+			"$gpg -u $gpg_key --clearsign -o"
 		fossil set --global clearsign 1
-		fossil set --global pgp-command "gpg $gpg_args"
+	else
+		fossil unset --global pgp-command
+		fossil unset --global clearsign
 	fi
 fi
 have git && link_file git .config/git ../
 if have gpg || have gpg2; then
 	mkdir -p $HOME/.local/share/gnupg