Improves the method xcodegen uses to find the workspace root

This fixes an issue where xcodegen would generate .xcodeproj files
that could not successfully be built by Xcode or xcodebuild. The
issue was that the method used to find the workspace root was based
on path-traversal logic starting on a file that was in bazel's
directory. This resulted in an incorrect workspace root for projects
that were not sharing a workspace with bazel itself.

The new code finds a source file in the target list, takes its
absolute path, and then walks up a directory for each path segment
in its relative path. It uses the result as the workspace root.

--
Change-Id: Id32eea56c8cc07289fce4e94046872552abeb416
MOS_MIGRATED_REVID=91095436
1 file changed
tree: ce0491be49eb2745d2e96c1ddc91fd8da512836d
  1. .travis/
  2. examples/
  3. scripts/
  4. site/
  5. src/
  6. third_party/
  7. tools/
  8. .gitignore
  9. .travis.yml
  10. bootstrap_test.sh
  11. compile.sh
  12. CONTRIBUTING.md
  13. LICENSE.txt
  14. README.md
  15. WORKSPACE
README.md

Bazel (Alpha)

{Fast, Correct} - Choose two

Bazel is a build tool that builds code quickly and reliably. It is used to build the majority of Google‘s software, and thus it has been designed to handle build problems present in Google’s development environment, including:

  • A massive, shared code repository, in which all software is built from source. Bazel has been built for speed, using both caching and parallelism to achieve this. Bazel is critical to Google's ability to continue to scale its software development practices as the company grows.

  • An emphasis on automated testing and releases. Bazel has been built for correctness and reproducibility, meaning that a build performed on a continuous build machine or in a release pipeline will generate bitwise-identical outputs to those generated on a developer's machine.

  • Language and platform diversity. Bazel's architecture is general enough to support many different programming languages within Google, and can be used to build both client and server software targeting multiple architectures from the same underlying codebase.

Find more background about Bazel in our FAQ.

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