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bazel / tulsi / refs/heads/upstream
commit023e5751f849ea5d3a7d69117e35106b90b84734[log] [tgz]
authordavg <davg@google.com>Thu Mar 10 18:06:28 2022 +0000
committerDavid Goldman <davg@google.com>Mon Mar 14 16:20:34 2022 +0000
treeb368c48d35baa5bc37dd5c26bc8ce5c40dcd96e8
parentf1104d368fb47fcdfbeb2e0d89c4b960920219a1 [diff]
Updates version number to 0.4.433764481.20220310.

Significant changes:
- Added a mechanism to create announcement messages in Tulsi CLI
  output
- Added a dismissible announcement mechanism.

PiperOrigin-RevId: 433782888
1 file changed
tree: b368c48d35baa5bc37dd5c26bc8ce5c40dcd96e8
  1. .bazelci/
  2. site/
  3. src/
  4. Tulsi.tulsiproj/
  5. .bazelrc
  6. .gitignore
  7. AUTHORS
  8. BUILD
  9. build_and_run.sh
  10. CODEOWNERS
  11. CONTRIBUTING.md
  12. CONTRIBUTORS
  13. LICENSE
  14. README.md
  15. version.bzl
  16. WORKSPACE
README.md

Tulsi - an Xcode Project Generator For Bazel

Building and installing

Run build_and_run.sh. This will install Tulsi.app inside $HOME/Applications by default. See below for supported options:

  • -b: Bazel binary that Tulsi should use to build and install the app (Default is bazel)
  • -d: The folder where to install the Tulsi app into (Default is $HOME/Applications)
  • -x: The Xcode version Tulsi should be built for (Default is 13.2.1)

Notes

Tulsi-generated Xcode projects use Bazel to build, not Xcode. Building in Xcode will cause it to only run a script; the script invokes Bazel to build the configured Bazel target and copies the artifacts to where Xcode expects them to be. This means that many common components of an Xcode project are handled differently than you may be used to. Notable differences:

  • BUILD files are the source of truth; most changes made to your Xcode project won't affect the build.
    • Adding new sources to the Xcode project won't include them in your app; they must be added to BUILD files.
    • Changes made to your BUILD files, such as adding new library dependencies, are incorporated automatically when building your generated project. The only time you need to re-run Tulsi is if you want to add additional build targets or have new source files show up in Xcode for editing.
    • The Info.plist file is governed entirely by BUILD rules in Bazel and is not displayed in the Xcode UI.
    • Changes to compilation flags (i.e. -DHELLO) should be made in the BUILD files in order to affect the build; changes made to compilation settings in the Xcode UI will only affect indexing. You may want to regenerate your project using Tulsi after modifying compilation flags.
  • Tulsi will set some Tulsi-specific flags for bazel invocations, some of which may affect Bazel caching. In order to maximize cache re-use when building from the command line, try using the user_build.py script which is located in the generated xcodeproj at <xcodeproj>/.tulsi/Scripts/user_build.py.

Tulsi project and config settings

Tulsi projects contain a few settings which control various behaviors during project generation and builds.

  • Bazel build flags, customizable per compilation mode (dbg and opt)
  • Bazel build startup flags, also customizable per compilation mode
  • Generation platform configuration: Target platform and arch used during project generation.
    • Can change from targeting iOS sim to iOS device or from iOS to macOS. Setting this improperly shouldn't break your project although it may potentially worsen generation and build performance.
  • Generation compilation mode: Bazel compilation mode (dbg or opt, no fastbuild) used during project generation.
    • Defaults to dbg, swap to opt if you normally build Release builds in Xcode (i.e. profiling your app). Setting this improperly shouldn't break your project although it may potentially worsen generation and build performance.
  • Prioritize Swift: set this to inform Tulsi that it should use Swift-specific flags during project generation.
    • Defaults to No, swap to Yes if your project contains Swift (even in its dependencies). Setting this improperly shouldn't break your project although it may potentially worsen generation and build performance.