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Tasklist

FS#55098 - [bazel] Install bazel binary wrapper

Attached to Project: Community Packages
Opened by Andrew Barchuk (raindev) - Thursday, 10 August 2017, 12:55 GMT
Last edited by Sven-Hendrik Haase (Svenstaro) - Saturday, 12 August 2017, 20:05 GMT
Task Type Feature Request
Category Packages
Status Closed
Assigned To Sven-Hendrik Haase (Svenstaro)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Bazel has some functionality that relies on the fact that the binary is not run
directly but rather by shell wrapper scripts/packages/bazel.sh[1]. Basically
the idea is that bazel binary should be installed as bazel-real and bazel.sh as
bazel. See the patch[2] that introduced the wrapper (there're changes to the
Bazel's BUILD to rename script and actual binary). Homebrew has the changes[3]
to how Bazel is installed contributed by a Bazel core team member for a while,
that's why my colleagues using macOS didn't run into the same issues as I did.
Here is an example from the Bazel repository of how the wrapper can be used to
allow running multiple processes at the same time[4].

1. https://github.com/bazelbuild/bazel/blob/master/scripts/packages/template_bin.sh
2. https://github.com/bazelbuild/bazel/commit/ba04b2d2d2466540c39c93539285d7c97216272a
3. https://github.com/Homebrew/homebrew-core/pull/3427/commits/283de0c2fee7172a158d468c47e1966c59852a74
4. https://github.com/bazelbuild/bazel/commit/fe728dc599d3511c92787de73deaec7997cb8092

Bazel version: 0.5.3-1
This task depends upon

Closed by  Sven-Hendrik Haase (Svenstaro)
Saturday, 12 August 2017, 20:05 GMT
Reason for closing:  Fixed
Comment by Andrew Barchuk (raindev) - Friday, 11 August 2017, 08:09 GMT
Attaching the patch for PKGBUILD in case I my explanation wasn't clear.
   PKGBUILD.bazel.diff (0.2 KiB)
Comment by Sven-Hendrik Haase (Svenstaro) - Saturday, 12 August 2017, 19:46 GMT
That's a good sign of how a software is broken if it needs a wrapper to run properly but then the software itself doesn't check whether it's run with the wrapper so that small problems like yours can sneak in. Will fix in package.

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