make gird --version work

README.md

@@ -9,10 +9,6 @@ a file named Girdsums. All subdirectories are processed too.
 Later, Gird can check these hashes and verify that the contents of
 the files are identical to when they were first girded.
 
-## BRAND NEW BRAND NEW BRAND NEW
-
-Don't use this repo yet
-
 ## Installation
 
 Copy the `gird` file somewhere on your path.

gird

@@ -13,6 +13,8 @@
 #       If the directory contents are different, PRINT A PANIC
 #       If any file digests have changed, PRINT A PANIC
 
+version=0.9
+
 gird_directory () {
   die () {
     echo "$@" >&2
@@ -106,6 +108,7 @@ while [ "$#" -gt 0 ]; do
     -i|--init) forcemode='initializing'; shift;;
     -s|--verify|--scan) forcemode='verifying'; shift;;
     -c|--continue) should_continue=1; shift;;
+    --version) echo "Gird $version"; exit;;
     # --pidfile=*) pidfile="${1#*=}"; shift 1;;
     # --pidfile) echo "$1 requires an argument" >&2; exit 1;;
     -*) echo "unknown option: $1" >&2; exit 1;;

t/4-logistics.t

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+test_description="Ensures the busywork gets done"
+
+. sharness.sh
+
+test_expect_success "Can retrieve the current version" "
+  gird --version > stdout &&
+  grep -q '^Gird [0-9.]*$' stdout &&
+  [ ! -e Girdsums ] &&
+  rm stdout
+"
+
+test_done