Am 24.07.2017 um 00:13 schrieb Junio C Hamano: > Andreas Heiduk <andreas.heiduk@xxxxxxxxxx> writes: > >> A `git fetch . origin/master:master` protects the currently checked out >> branch (HEAD) unless the `-u/--update-head-ok` is supplied. This avoids a >> mismatch between the index and HEAD. BUT branches which are HEADs in other >> working trees do not get that care - their state is silently screwed up. >> >> Is this intended behaviour or and just an oversight while implementing >> `git worktree`? > > The latter. Ok, so I can adjust some of my helper scripts to catch and forbid this case. > [...]"git worktree" is an interesting feature and has > potential to become useful in wider variety of workflows than it > currently is, but end users should consider it still experimental as > it still is with many such small rough edges like this one. > > Patches to help improving the feature is of course very welcome. Since the core of the check is in C, I'll pass on this one. I could supply a patch adding this to the "BUGS" section of git-worktree(1) though :-)