26547580570
93%
main: 93%

Ran 28 May 2026 01:02AM UTC

Jobs 12

Files 1737

Run time 3min

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Committed 28 May 2026 12:45AM UTC coverage: 92.892% (+0.002%) from 92.89%

Build # 26547580570

Build Type

push

github

Committed by

web-flow

Commit Message

remote_cache: don't drop outputs for REv2.0 root-capture actions (#23381)

make_tree_for_output_directory returned Ok(None) for empty
directory_path because DigestTrie::entry("") has no root match. The
caller in make_action_result then continued, silently dropping the
OutputDirectory from the ActionResult that Pants uploads via
UpdateActionResult, overwriting any correct entry the remote server had
auto-written during Execute.

This corrupted the AC for every action using REv2.0
output_directories=[""] / ["."] (Pants's normalized root-capture).
Subsequent AC hits deserialized to a "successful action with no
outputs", producing broken downstream consumers.

Fix: special-case empty directory_path in
make_tree_for_output_directory to walk the entire root_trie instead of
asking for a child entry named "". The rest of the function is
unchanged.

Affects all four inner runners behind remote_cache::CommandRunner
(local, nailgun, docker, remote execution). The remote-execution path
was intermittently masked by the server's auto-write surviving when the
Pants tail-task didn't.

Coverage Stats

92114 of 99163 relevant lines covered (92.89%)

4.04 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	test_python_linux_x86_64_8/10 - 26547580570.1	28 May 2026 01:12AM UTC	1194	53.57	GitHub Action Run
2	test_python_linux_arm64 - 26547580570.2	28 May 2026 01:04AM UTC	1175	52.3	GitHub Action Run
3	test_python_linux_x86_64_5/10 - 26547580570.3	28 May 2026 01:10AM UTC	1206	59.64	GitHub Action Run
4	test_python_linux_x86_64_2/10 - 26547580570.4	28 May 2026 01:08AM UTC	1194	58.62	GitHub Action Run
5	test_python_linux_x86_64_4/10 - 26547580570.5	28 May 2026 01:14AM UTC	1226	59.46	GitHub Action Run
6	test_python_macos14_arm64 - 26547580570.6	28 May 2026 01:02AM UTC	1175	52.31	GitHub Action Run
7	test_python_linux_x86_64_1/10 - 26547580570.7	28 May 2026 01:09AM UTC	1190	49.16	GitHub Action Run
8	test_python_linux_x86_64_9/10 - 26547580570.8	28 May 2026 01:07AM UTC	1202	54.07	GitHub Action Run
9	test_python_linux_x86_64_6/10 - 26547580570.9	28 May 2026 01:09AM UTC	1187	49.52	GitHub Action Run
10	test_python_linux_x86_64_3/10 - 26547580570.10	28 May 2026 01:10AM UTC	1191	53.97	GitHub Action Run
11	test_python_linux_x86_64_0/10 - 26547580570.11	28 May 2026 01:10AM UTC	1211	56.71	GitHub Action Run
12	test_python_linux_x86_64_7/10 - 26547580570.12	28 May 2026 01:19AM UTC	1197	51.31	GitHub Action Run

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