> -----Original Message----- > From: Eric S. Raymond > Sent: Tuesday, November 27, 2012 3:48 PM > > Because I do a lot of work on repository conversion tools, I've had > to learn a lot of detail about ontological mismatches between > version-control systems - especially places where you lose metadata > moving between them. > > In general, git metadata can carry forward almost all the metadata in > a Subversion repository. Among the handful of minor exceptions (empty > directories, flow structure, certain kinds of mergeinfos) there is one > that stands out because it seems to be an implementation detail rather > than a consequence of fundamentally different design decisions. > > I refer to the one-second precision of git timestamps. Subversion > stores its commit and property-change timestamps to microsecond > precision; conversion tools have to throw the subsecond part of > this information away. > > Has going to timestamps with the full precision of the system clock > been considered and rejected, or am I the first to bring this up? > > If I were to write refactoring patches that treated "timestamp" as > an ADT, with a view towards hiding the difference between int and > float timestamps and eventually experimenting with float ones, Do you really mean floating point numbers with approximate imprecise values?
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