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

gitportable/mingw64/share/doc/git-doc/git-fmt-merge-msg.adoc

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+git-fmt-merge-msg(1)
+====================
+
+NAME
+----
+git-fmt-merge-msg - Produce a merge commit message
+
+
+SYNOPSIS
+--------
+[verse]
+'git fmt-merge-msg' [-m <message>] [--into-name <branch>] [--log[=<n>] | --no-log]
+'git fmt-merge-msg' [-m <message>] [--log[=<n>] | --no-log] -F <file>
+
+DESCRIPTION
+-----------
+Takes the list of merged objects on stdin and produces a suitable
+commit message to be used for the merge commit, usually to be
+passed as the '<merge-message>' argument of 'git merge'.
+
+This command is intended mostly for internal use by scripts
+automatically invoking 'git merge'.
+
+OPTIONS
+-------
+
+--log[=<n>]::
+	In addition to branch names, populate the log message with
+	one-line descriptions from the actual commits that are being
+	merged.  At most <n> commits from each merge parent will be
+	used (20 if <n> is omitted).  This overrides the `merge.log`
+	configuration variable.
+
+--no-log::
+	Do not list one-line descriptions from the actual commits being
+	merged.
+
+--[no-]summary::
+	Synonyms to --log and --no-log; these are deprecated and will be
+	removed in the future.
+
+-m <message>::
+--message <message>::
+	Use <message> instead of the branch names for the first line
+	of the log message.  For use with `--log`.
+
+--into-name <branch>::
+	Prepare the merge message as if merging to the branch `<branch>`,
+	instead of the name of the real branch to which the merge is made.
+
+-F <file>::
+--file <file>::
+	Take the list of merged objects from <file> instead of
+	stdin.
+
+CONFIGURATION
+-------------
+include::config/fmt-merge-msg.adoc[]
+
+merge.summary::
+	Synonym to `merge.log`; this is deprecated and will be removed in
+	the future.
+
+EXAMPLES
+--------
+
+---------
+$ git fetch origin master
+$ git fmt-merge-msg --log <$GIT_DIR/FETCH_HEAD
+---------
+
+Print a log message describing a merge of the "master" branch from
+the "origin" remote.
+
+
+SEE ALSO
+--------
+linkgit:git-merge[1]
+
+GIT
+---
+Part of the linkgit:git[1] suite