t / t4135 / git-with quote.diffon commit hash.h: move SHA-1 implementation selection into a header file (f18f816)
   1diff --git "a/\"postimage\".txt" "b/\"postimage\".txt"
   2new file mode 100644
   3index 0000000..eff0c54
   4--- /dev/null
   5+++ "b/\"postimage\".txt"
   6@@ -0,0 +1 @@
   7+postimage