Feat: Add a script to update .git/hooks/*.sample

diff --git a/reinit-all b/reinit-all
new file mode 100755 (executable)
index 0000000..8e825ab
--- /dev/null
+++ b/reinit-all
@@ -0,0 +1,2 @@
+#! /bin/sh
+exec "`dirname \"$0\"`"/do-all git init