Re: Have git SHA1 ID's changed in the last 5 years?

[Janek Warchoł]

2014-07-26 20:45 GMT+02:00 Mark Polesky <address@hidden>:
> On Dec 17 2009, with commit #05eb689, I tracked down the
> "birth commits" for the individual manuals in order to
> establish the initial years for copyright purposes:
>
> http://git.savannah.gnu.org/gitweb/?p=lilypond.git;a=commitdiff;h=05eb689
>
> But now I see that none of the commit numbers I documented
> point to any known commit objects:
>
> `Music Glossary' was born 1999-10-04 with git commit 280a0bb
> `Learning Manual' was born 1999-10-10 with git commit b9abaac
> `Usage' was born 1999-10-10 with git commit c82c30c
> `Notation Reference' was born 1999-10-11 with git commit 940dda0
> `Internals Reference' was born 2000-10-21 with git commit 01e371f
> `Essay' was born 2002-06-03 with git commit e38f5fc
> `Extending' was born 2003-04-23 with git commit c08f6e8
> `Contributor's Guide' was born 2007-09-15 with git commit 48f3356
> `Web' was imported 2009-08-05 with git commit b938d71
>
> I find it hard to believe that I not only got them all
> wrong, but also that I listed 9 commits which don't even
> refer to anything.  I'm happy to redo this old patch, but
> can anyone explain what's going on here?

It's a wild guess, but it may be related to the fact that back then we
weren't using git (it didn't exist yet) - i think we used svn, and we
imported repo into git around 2007 i think.

best,
Janek