Hi Chris, I have investigate a bit.
On Fri, 9 Oct 2020 at 09:52, Christopher Baines <m...@cbaines.net> wrote: > > <https://data.guix.gnu.org/repository/1/branch/master/package/ghc-haddock/output-history> The webpage reads, anti-chronological order: j5llsz…-ghc-haddock-2.22.0 392220 1a2759 s7s3ks…-ghc-haddock-2.22.0 20cc8f 20cc8f lw2qzd…-ghc-haddock-2.22.0 8ab70b c1f385 where the log is: --8<---------------cut here---------------start------------->8--- $ git --no-pager guix log --oneline 20cc8f9487^^..3922208091 3922208091 gnu: Add dkgpg. d51cb7f85f gnu: Add libtmcg. [...] 12dc9f58c4 gnu: gcc: Fix libstdc++ misconfiguration. b1d3c122e1 gnu: gcc@10: Update to 10.2.0. c1f38577c8 gnu: Add sleef. 548d4d810d gnu: duplicity: Update to 0.8.14. [...] e239135c56 gnu: gp2c: Update to 0.0.11pl4. 7cce2a6bd4 Revert "gnu: patchelf: Update to 0.11." 20cc8f9487 gnu: patchelf: Update to 0.11. dbdfbec957 gnu: git-annex: Update to 8.20200720.1. --8<---------------cut here---------------end--------------->8--- Well, it is probable that there is a merge and maybe the issue is coming from that. Or maybe an author vs commit date. WDYT? What I get is: --8<---------------cut here---------------start------------->8--- 3922208091 /gnu/store/j5llszq1cf12qn79bvhc042wc06ibfix-ghc-haddock-2.22.0 d51cb7f85f /gnu/store/j5llszq1cf12qn79bvhc042wc06ibfix-ghc-haddock-2.22.0 12dc9f58c4 /gnu/store/j5llszq1cf12qn79bvhc042wc06ibfix-ghc-haddock-2.22.0 b1d3c122e1 /gnu/store/lw2qzdrx5sq9qrpdszx4fby05bbdhi5f-ghc-haddock-2.22.0 c1f38577c8 /gnu/store/lw2qzdrx5sq9qrpdszx4fby05bbdhi5f-ghc-haddock-2.22.0 548d4d810d /gnu/store/lw2qzdrx5sq9qrpdszx4fby05bbdhi5f-ghc-haddock-2.22.0 e239135c56 /gnu/store/lw2qzdrx5sq9qrpdszx4fby05bbdhi5f-ghc-haddock-2.22.0 7cce2a6bd4 /gnu/store/lw2qzdrx5sq9qrpdszx4fby05bbdhi5f-ghc-haddock-2.22.0 20cc8f9487 /gnu/store/s7s3ksfhkdbb6k6si8bjnxy8vvywv322-ghc-haddock-2.22.0 dbdfbec957 /gnu/store/lw2qzdrx5sq9qrpdszx4fby05bbdhi5f-ghc-haddock-2.22.0 --8<---------------cut here---------------end--------------->8--- Therefore, the first commit producing j5llsz…-ghc-haddock is not 3922208091 but 12dc9f58c4. But what does it mean “first”? :-) author date commit date 3922208091|Thu Jul 23 14:03:19 2020|Fri Jul 24 14:21:31 2020 12dc9f58c4|Fri Jul 24 09:56:25 2020|Fri Jul 24 14:21:30 2020 However, it seems more expected that 12dc9f58c4 gnu: gcc: Fix libstdc++ misconfiguration. introduces new hash to ’ghc-haddock’ than unrelated 3922208091 gnu: Add dkgpg. Maybe a possible fix is to compare “commit date” which will be more accurate about the change (especially with merges) than “author date”. WDYT? The s7s3ks…-ghc-haddock is explained by the revert so it is expected. All the best, simon where the script: --8<---------------cut here---------------start------------->8--- for ci in 3922208091 \ d51cb7f85f \ 12dc9f58c4 \ b1d3c122e1 \ c1f38577c8 \ 548d4d810d \ e239135c56 \ 7cce2a6bd4 \ 20cc8f9487 \ dbdfbec957 do printf "$ci " guix time-machine --commit=$ci \ -- build ghc-haddock \ 2> /dev/null done --8<---------------cut here---------------end--------------->8---
