made the pack completely portable and wrote relevent bat files to go with it

gitportable/mingw64/share/doc/git-doc/git-hook.adoc

@@ -0,0 +1,50 @@
+git-hook(1)
+===========
+
+NAME
+----
+git-hook - Run git hooks
+
+SYNOPSIS
+--------
+[verse]
+'git hook' run [--ignore-missing] [--to-stdin=<path>] <hook-name> [-- <hook-args>]
+
+DESCRIPTION
+-----------
+
+A command interface for running git hooks (see linkgit:githooks[5]),
+for use by other scripted git commands.
+
+SUBCOMMANDS
+-----------
+
+run::
+	Run the `<hook-name>` hook. See linkgit:githooks[5] for
+	supported hook names.
++
+
+Any positional arguments to the hook should be passed after a
+mandatory `--` (or `--end-of-options`, see linkgit:gitcli[7]). See
+linkgit:githooks[5] for arguments hooks might expect (if any).
+
+OPTIONS
+-------
+
+--to-stdin::
+	For "run"; specify a file which will be streamed into the
+	hook's stdin. The hook will receive the entire file from
+	beginning to EOF.
+
+--ignore-missing::
+	Ignore any missing hook by quietly returning zero. Used for
+	tools that want to do a blind one-shot run of a hook that may
+	or may not be present.
+
+SEE ALSO
+--------
+linkgit:githooks[5]
+
+GIT
+---
+Part of the linkgit:git[1] suite