# Tiny8:
# git rev-list --first-parent --count HEAD
# typically 3-4 characters but we allow for up to 6
+# padded with zeroes; if too long we reduce mod 10^n
# eg
# Tiny4 1070
#
# Tiny4Q 10
# 70
#
-# Git4
-# Git6
-# Git8
-# git-rev-parse HEAD
+# Git4 Git4Q
+# Git6 Git6Q
+# Git8 Git8Q
+# git-rev-parse HEAD (prefix of requested length)
# eg
# Git6 82f2a2