Quoting John Dlugosz <JDlugosz@xxxxxxxxxxxxxxxx>:
> === Re: ===
> (2) if you are not, you can obviously check out topic and do the above,
> or "git branch -f topic topic^".
> === end ===
>
> As documented, this destroys the existing branch and makes a new one.
> That would, by design, blow away the reflog for that branch.
Does it? If so I think you have an incorrect documentation.
$ rm -fr /tmp/gomi && mkdir /tmp/gomi
$ cd /tmp/gomi
$ git init
$ echo hello >world
$ git add world
$ git commit -m initial
$ seq 1 100 | while read num; do echo $num >world; git commit -a -m $num; done
$ git checkout -b side master~60
$ git branch -f master master@{20}
$ git log --oneline -g master | head -n 10
0acf8c1 master@{0}: branch: Reset from master@{20}
945c3ee master@{1}: commit: 100
54fcb36 master@{2}: commit: 99
b314a1e master@{3}: commit: 98
e91d999 master@{4}: commit: 97
0d88853 master@{5}: commit: 96
0124315 master@{6}: commit: 95
5df2cc5 master@{7}: commit: 94
14bb58e master@{8}: commit: 93
0813a46 master@{9}: commit: 92
--
Nanako Shiraishi
http://ivory.ap.teacup.com/nanako3/
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