Re: What's cooking in git.git (Apr 2019, #02; Wed, 10)

> * cc/replace-graft-peel-tags (2019-04-01) 4 commits
>  - replace: fix --graft when passing a tag first
>  - replace: fix --graft when passing a tag as parent
>  - t6050: redirect expected error output to a file
>  - t6050: use test_line_count instead of wc -l
>
>  When given a tag that points at a commit-ish, "git replace --graft"
>  failed to peel the tag before writing a replace ref, which did not
>  make sense because the old graft mechanism the feature wants to
>  mimick only allowed to replace one commit object with another.
>  This has been fixed.
>
>  The title of the top two commits are fairly useless and does not
>  say how the issue was fixed, but the fix is to peel the given tag
>  ourselves down to the underlying commit object.