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

gitportable/mingw64/share/doc/git-doc/cmds-purehelpers.adoc

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+linkgit:git-check-attr[1]::
+	Display gitattributes information.
+
+linkgit:git-check-ignore[1]::
+	Debug gitignore / exclude files.
+
+linkgit:git-check-mailmap[1]::
+	Show canonical names and email addresses of contacts.
+
+linkgit:git-check-ref-format[1]::
+	Ensures that a reference name is well formed.
+
+linkgit:git-column[1]::
+	Display data in columns.
+
+linkgit:git-credential[1]::
+	Retrieve and store user credentials.
+
+linkgit:git-credential-cache[1]::
+	Helper to temporarily store passwords in memory.
+
+linkgit:git-credential-store[1]::
+	Helper to store credentials on disk.
+
+linkgit:git-fmt-merge-msg[1]::
+	Produce a merge commit message.
+
+linkgit:git-hook[1]::
+	Run git hooks.
+
+linkgit:git-interpret-trailers[1]::
+	Add or parse structured information in commit messages.
+
+linkgit:git-mailinfo[1]::
+	Extracts patch and authorship from a single e-mail message.
+
+linkgit:git-mailsplit[1]::
+	Simple UNIX mbox splitter program.
+
+linkgit:git-merge-one-file[1]::
+	The standard helper program to use with git-merge-index.
+
+linkgit:git-patch-id[1]::
+	Compute unique ID for a patch.
+
+linkgit:git-sh-i18n[1]::
+	Git's i18n setup code for shell scripts.
+
+linkgit:git-sh-setup[1]::
+	Common Git shell script setup code.
+
+linkgit:git-stripspace[1]::
+	Remove unnecessary whitespace.
+