IRC logs for #buildstream for Tuesday, 2020-02-11

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juergbihi cs-shadow, do you or Ben have time to review !1816 this week?07:19
gitlab-br-botMR !1816: Reimplement support for incremental workspace builds https://gitlab.com/BuildStream/buildstream/-/merge_requests/181607:19
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gitlab-br-botjuergbi opened MR !1818 (juerg/sandbox-reapi-capture->master: _sandboxreapi.py: Optimize output_directories) on buildstream https://gitlab.com/BuildStream/buildstream/-/merge_requests/181809:34
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gitlab-br-botsstriker approved MR !1818 (juerg/sandbox-reapi-capture->master: _sandboxreapi.py: Optimize output_directories) on buildstream https://gitlab.com/BuildStream/buildstream/-/merge_requests/181809:42
gitlab-br-botBenjaminSchubert approved MR !1818 (juerg/sandbox-reapi-capture->master: _sandboxreapi.py: Optimize output_directories) on buildstream https://gitlab.com/BuildStream/buildstream/-/merge_requests/181809:44
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gitlab-br-botsstriker approved MR !1816 (juerg/incremental-workspace-build->master: Reimplement support for incremental workspace builds) on buildstream https://gitlab.com/BuildStream/buildstream/-/merge_requests/181609:59
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gitlab-br-bottmewett closed MR !1774 (tmewett/merge-git-tag->master: Merge 'git_tag' functionality into 'git' source) on buildstream https://gitlab.com/BuildStream/buildstream/-/merge_requests/177410:12
cs-shadowjuergbi: hi, I’ll have a look. Thanks for looking into it10:20
juergbita10:22
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gitlab-br-botjuergbi opened MR !1819 (juerg/ci-re->master: .gitlab-ci/buildgrid-compose.yml: Switch to buildbox-worker) on buildstream https://gitlab.com/BuildStream/buildstream/-/merge_requests/181911:06
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gitlab-br-botjuergbi merged MR !1819 (juerg/ci-re->master: .gitlab-ci/buildgrid-compose.yml: Switch to buildbox-worker) on buildstream https://gitlab.com/BuildStream/buildstream/-/merge_requests/181913:45
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gitlab-br-botjuergbi closed issue #1223 (Optimize output_directories in SandboxREAPI (remote execution / buildbox-run)) on buildstream https://gitlab.com/BuildStream/buildstream/issues/122316:03
gitlab-br-botjuergbi merged MR !1818 (juerg/sandbox-reapi-capture->master: _sandboxreapi.py: Optimize output_directories) on buildstream https://gitlab.com/BuildStream/buildstream/-/merge_requests/181816:03
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valentindIt would be nice to be able to have a gpg-agent socket available in the sandbox so that it is possible to sign things with a hardware key.18:51
persiaWell, kinda, but that makes reproducibility difficult (which makes caching difficult).18:53
persiaI'm a huge fan of using cryptography to force chain-of-trust and similar, but I'm not sure how to link that to bit-for-bit reproducibility from known inputs (as one presumably doesn't want to have a private key as an available input to those auditing one's reproducibility).18:54
juergbiIt could work if signing is handled by a separate element. I.e., the actual build processes could be reproduced also without the key19:09
juergbiand it should be possible to access the payload of the signed item, which could then be compared to the unsigned verification build19:10
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persiaThat sounds like a sensible architecture.  Would element handlers not expecting to be reproducible be annotated in some way, to reduce cache population?20:12

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