On Tue, Aug 25, 2009 at 5:03 PM, Patrick Brisbin<pbrisbin@xxxxxxxxx> wrote: > On 08/25/09 at 04:45pm, Thomas Bächler wrote: >> Patrick Brisbin schrieb: >>> A while back i wrote a similar script which extracts the .PKGINFO file >>> from each package in one's cache. slow, but I think this is a more >>> accurate way to compare versions. >> >> We had that discussion on arch-dev-public a while ago. makepkg always puts >> .PKGINFO to the beginning of the tarball. Also, tar and bsdtar both have >> options to ensure that after the file is found, they stops extracting - >> therefore, the .PKGINFO file will be extracted instantly, independent of >> package size. Look at the tar or bsdtar manpages, unfortunately I forgot >> exactly how it works. >> > > WOW! > > tar -xf on a 3 GB cache -> 1m 42s > > bsdtar -qxf on the same cache -> 0m 9s > > awesome. > according to the man pages I just read online, --fast-read should work for both.
