Hi Stefan, On Wed, 1 Nov 2017, Stefan Beller wrote: > >> I know id prefer the first commit that introduced the blob. That's > >> what describing a commit does, it finds the oldest tag prior to the > >> commit, while --contains finds the first tag that contains the commit > >> as an ancestor. > > > > It is very easy to wish for "the oldest commit introducing a blob". But > > since we're in a DAG, this question is not necessarily easy to answer: > > > > - A - B - C > > \ / > > D > > > > Let's assume that all commits except A have the blob, and that B and D > > (for some reason) have the same author/committer dates. > > > > Do you identify B or D as the commit introducing the blob? > > The current implementation gives C, though. > (assuming C is HEAD, and A is ancient) > > With the --reverse flag one of B or D is given (not sure which, > depends on the exact order). Sure, but it is still a tricky thing. Imagine - A1 - B1 - A2 - B2 - B3 where all the B* commits have the blob. Do you really want to report B1 rather than B2 as the commit introducing the blob? (I would prefer B2...) Ciao, Dscho