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Commit: a3d6603dc01612c65db315bdcf980487293c41e9 to https://lore.kernel.org/lkml/10 This is the 30th anniversary of Linus's original post "What would you like to see most in minix?". Because the AuthorDate for this message is 25-Aug-1991, the resulting CommitDate is also set to 25-Aug-1991, even though the actual commit to 10.git took place on 25-Aug-2021. This breaks some git commands for 10.git. Specifically for those who want to use --after git option. 10.git contains emails from 10-May-2021 to the present day. If one wants to see messages from say 23-Aug-2021, one should be able to use the following : $ git log --date=local --pretty='%H %cd' --after='2021-08-22 23:59:59' --before='2021-08-24 00:00:00' This command sadly produces no output and all because of commit a3d6603dc01612c65db315bdcf980487293c41e9. Git will start at HEAD, and check the CommitDate for each commit. If the CommitDate falls between the boundaries of --after and --before it's printed. Traversal will then cease when it reachs the first commit with a CommitDate older than --after. Git therefore traverses only as far as a3d6603dc01612c65db315bdcf980487293c41e9, sees a date older than 22-Aug-2021 and then stops. Git is I presume making the assuption that all commits have CommitDate's that are in chronological order, however because of a3d6603dc01612c65db315bdcf980487293c41e9, commits to 10.git are not. Therefore this commit sadly but effectively renders --after useless for the 10.git lkml repo for any dates prior to 26-Aug-2021. I'm not a git expert, as such don't have any recommendations for possibly resolving this, or whether you feel this is something that needs to be resolved or not. I'm not a git expert, as such don't have any recommendations for possibly resolving this, or whether you feel this is something that needs to be resolved or not. Personally the AuthorDate for this commit can happily remain at 1991, but the CommitDate I think should really reflect when the actual commit to 10.git took place. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Anyhow I hope you find this information useful. regards Matt