Hi, On Fri, 11 Apr 2025 at 17:54, Ludovic Courtès <l...@gnu.org> wrote:
> I noticed something funny (?) with libgit2 when cloning from a local repo: > one of file:///path/to/repo and /path/to/repo is much faster than the > other (I forgot which one). Try it! Well, /path/to/repo is MUCH faster. It’s not the same planet. :-) --8<---------------cut here---------------start------------->8--- scheme@(guix-user)> (define clone* (@@ (guix git) clone*)) scheme@(guix-user)> ,time (clone* "/home/simon/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27shj7apsnalwq" "/tmp/plain-path") $1 = #<git-repository 10b78180> ;; 0.874735s real time, 0.869965s run time. 0.000000s spent in GC. scheme@(guix-user)> ,time (clone* "file:///home/simon/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27shj7apsnalwq" "/tmp/file-stuff") $2 = #<git-repository 10beff00> ;; 1065.821889s real time, 2565.946633s run time. 45.590940s spent in GC. --8<---------------cut here---------------end--------------->8--- It’s well-known; see <https://github.com/libgit2/libgit2/issues/2836>. Please note these subtle differences: --8<---------------cut here---------------start------------->8--- $ diff -rq plain-path file-stuff Files plain-path/.git/config and file-stuff/.git/config differ Files plain-path/.git/FETCH_HEAD and file-stuff/.git/FETCH_HEAD differ Files plain-path/.git/index and file-stuff/.git/index differ Files plain-path/.git/logs/HEAD and file-stuff/.git/logs/HEAD differ Files plain-path/.git/logs/refs/heads/master and file-stuff/.git/logs/refs/heads/master differ Files plain-path/.git/logs/refs/remotes/origin/master and file-stuff/.git/logs/refs/remotes/origin/master differ Only in file-stuff/.git/objects/pack: pack-6fb408302ec38ea4ad5e00e43d3e2064f812e20d.idx Only in file-stuff/.git/objects/pack: pack-6fb408302ec38ea4ad5e00e43d3e2064f812e20d.pack Only in plain-path/.git/objects/pack: pack-b720dcc8dc301a15f339f96022598b1cb40a38cd.idx Only in plain-path/.git/objects/pack: pack-b720dcc8dc301a15f339f96022598b1cb40a38cd.pack $ du -s plain-path file-stuff 705948 plain-path 701200 file-stuff --8<---------------cut here---------------end--------------->8--- Cheers, simon
