On Sun, Apr 16 2023, Kristoffer Haugsbakk wrote: >> The commit-graph has been enabled by default in v2.24.0, released over >> three years ago. I wonder why Rohit's and/or Kristoffer's repos >> didn't have it already?! > > I might have done a fresh clone of Linux right before I replied to this > email thread, or else it might have just been lying around. (I don’t > work on Linux. ;) > > I found out that I need to add this to my Git config in order for the > commit graph to be updated on `git fetch`, so I added it: > > [fetch] > writeCommitGraph = true > > I was wondering if this would help with cloning, so I did a fresh one: > > $ git clone https://github.com/torvalds/linux/ linux-github-2 > $ cd linux-github-2/ > $ time git log --oneline --graph | head -1 > * 3e7bb4f24617 Merge tag '6.3-rc6-smb311-client-negcontext-fix' of git://git.samba.org/sfrench/cifs-2.6 > > real 0m10.364s > user 0m9.700s > sys 0m0.666s > > So no. > > But doing a `git fetch origin` fixed it: > > $ git fetch origin > Expanding reachable commits in commit graph: 1171056, done. > Writing out commit graph in 5 passes: 100% (5855280/5855280), done. > $ time git log --oneline --graph | head -1 > * 3e7bb4f24617 Merge tag '6.3-rc6-smb311-client-negcontext-fix' of git://git.samba.org/sfrench/cifs-2.6 > > real 0m0.017s > user 0m0.007s > sys 0m0.013s > > Is there any config for writing to the commit graph on clone? I don't think there is, but here's a lengthy discussion I started a while ago about having some "on glone gc", which would cover this: https://lore.kernel.org/git/87tvm3go42.fsf@xxxxxxxxxxxxxxxxxxx/ I haven't re-read it just now, but if you're interested that should be a good place to start.