From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 28 Sep 2017 05:47:52 +0000 (+0900)
Subject: Merge branch 'ic/fix-filter-branch-to-handle-tag-without-tagger'
X-Git-Tag: v2.15.0-rc0~48
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/386dd12b55597a33c34520ad1138cd45fd084424?hp=-c

Merge branch 'ic/fix-filter-branch-to-handle-tag-without-tagger'

"git filter-branch" cannot reproduce a history with a tag without
the tagger field, which only ancient versions of Git allowed to be
created.  This has been corrected.

* ic/fix-filter-branch-to-handle-tag-without-tagger:
filter-branch: use hash-object instead of mktag
filter-branch: stash away ref map in a branch
filter-branch: preserve and restore $GIT_AUTHOR_* and $GIT_COMMITTER_*
filter-branch: reset $GIT_* before cleaning up
---

386dd12b55597a33c34520ad1138cd45fd084424