A new minor release already, that's fast.

@GrahamcOfBorg build bazel.tests

Anyone have any ideas around why x86_64-darwin is failing with
error: build of '/nix/store/bl0bhqc50bjwlipq77zk6lygc5bgwdmy-bazel-test-shebangs.drv' failed?

Let’s see what it says when we only run that one.

@GrahamcOfBorg build bazel.tests.shebang

Btw, we have a million of these warnings:

/nix/store/rlwl76pcfzh9pmjx0mynpdb2spm49qmj-bash-4.4-p23/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.ISO-8859-1): No such file or directory

Maybe we should add the locale archive. But I wonder why ISO-8859-1 anyway. Maybe that’s a bug.

@danjuv bazel tests were already broken on darwin before that - see #70994.

Fixing these tests on darwin should probably be done in a followup PR.

Bazel extracts itself to a cache directory every time it’s run (yes, that is as silly as it sounds).

For the tests we have an optimization in place, which puts that cache directory in a derivation, so that bazel doesn’t extract itself for every single test.

There is some magic, so we have a sanity-check in place in the setup code:

This sanity-check is getting broken now. This probably means one of the following:

• new bazel changed their install_base on darwin
• nix changed something with how tmpdir and sandboxes work on darwin
• the ofborg builder changed its darwin configuration to do more or less sandboxing

Since macOS’s sandboxing is highly primitive, nix builds are kind of leaky there.

I see two ways forward:

• special case the extraction drv to only fire on non-darwin
• add a TODO and merge with failing tests on darwin (we already have an issue for broken bazel tests on darwin)

@flokli The preexisting failure you mention is a different one. I can't find bazel.tests on hydra, so I'm not sure if this failure is preexisting or not, if I try to build it on master I get:

$   nix-build -A bazel.tests
...
building '/nix/store/hw5gc3k552qxlxsnfhwa7wv0miy9vj7v-bazel-extracted-homedir.drv'...
Extracting Bazel installation...
Starting local Bazel server and connecting to it...
INFO: Writing tracer profile to '/private/var/tmp/_bazel_uri/f0a8ba7d540c97e00b10579823ad40f8/command.profile.gz'
oh no! install_base: /var/tmp/_bazel_uri/install/657cd4cb9e53a7fefb922907cea40492 but we are trying to copy /private/var/folders/0d/f45mrlw51yj0fn50bs44xych0000gn/T/nix-build-bazel-extracted-homedir.drv-0/tmp.ggAbP92PJ0/.cache/bazel/_bazel_nixbld to /nix/store/q6mkbl93x51iqrs02kglg1q3kzs92006-bazel-extracted-homedir instead!
builder for '/nix/store/hw5gc3k552qxlxsnfhwa7wv0miy9vj7v-bazel-extracted-homedir.drv' failed with exit code 1
cannot build derivation '/nix/store/v2mdj058ii3h9vkcwbcpqs4zq6nzb2q6-bazel-test-shebangs.drv': 1 dependencies couldn't be built
error: build of '/nix/store/2bism00fj4rvff5x10w853kvf95cic7r-bazel-test-cpp.drv', '/nix/store/3hrq5v09yh89f8ng8pgaw12dqj0dxmdj-bazel-test-bash-tools.drv', '/nix/store/6fci9c1hjkgi26yi2apk2ncwqxxdy802-bazel-test-cpp.drv', '/nix/store/72ipr99sdanvflnk2dvfkjwyyh31yp3y-bazel-test-protocol-buffers.drv', '/nix/store/b58zm3zcag37g1bq0xnf8dlnr6ys0jfh-bazel-test-protocol-buffers.drv', '/nix/store/ccyzm62y83n8yw5kqpm5x316px361xm3-bazel-test-cpp.drv', '/nix/store/inqpjj71b2mx67l8cnwv20h9v3syx6pb-bazel-test-bash-tools.drv', '/nix/store/q5dal7hn6fw798hhk3c0d3n3v80is2av-bazel-test-builtin-rules.drv', '/nix/store/v2mdj058ii3h9vkcwbcpqs4zq6nzb2q6-bazel-test-shebangs.drv', '/nix/store/wkwk1jxay1hh3phpc4j5xyc1az9kfqpg-bazel-test-builtin-rules.drv', '/nix/store/zbw8xp6jip2h150cxwll12hw7bfanay7-bazel-test-cpp.drv' failed

@uri-canva I'm not sure if hydra is building bazel.tests, but #70994 was opened because it already was failing on master (according to ofborg's CI).

It might be this PR introduces another breakage on top of the existing one, since tests were already broken on macos, I don't think we should block other bazel PRs if tests on x86_64-linux and aarch64-linux still pass.

Of course, #70994 should be fixed, but at least @Profpatsch and I don't have a MacOS around to interactively debug this - if you could fine some time to dig into it, that would be very much appreciated.

Ah, found it. We were already skipping the extraction step on darwin, but the new shebang test runs it manually.

Adding commit …

@GrahamcOfBorg build bazel.tests

Finally passed 🎉