More release script cleanup
More release script cleanup

Move expensive checks (ssh), later in the script.
Check for existence of the current tag.
Minor beautification.

tmzt/androix-util-modular,tmzt/androix-util-modular,freedesktop-unofficial-mirror/xorg__util__modular,freedesktop-unofficial-mirror/xorg__util__modular,freedesktop-unofficial-mirror/xorg__util__modular