)]}'
{
  "commit": "ecb61eebbb93111b87a878ce920cd4914f7d47fb",
  "tree": "223affb27214e480602f869a178fa02d925ffa95",
  "parents": [
    "696e302b1765b2c7cfa9e24f4b9903ce39e27b60"
  ],
  "author": {
    "name": "gregce",
    "email": "gregce@google.com",
    "time": "Tue May 19 10:56:29 2020 -0700"
  },
  "committer": {
    "name": "Copybara-Service",
    "email": "copybara-worker@google.com",
    "time": "Tue May 19 10:57:28 2020 -0700"
  },
  "message": "Introduce configuration transition fragment declarations.\n\nSee https://github.com/bazelbuild/bazel/issues/11258 for context.\n\nThis essentially converts ConfigurationTransition.apply(BuildOptions...)\nto ConfigurationTransition.apply(RestrictedBuildOptions...). The new\nBuildOptionsView wraps BuildOptions while only allowing access\nto options fragments the transitions declare.\n\nBecause there are a *lot* of uses of PatchTransition and SplitTransition,\nthis change only adds a parallel interface to PatchTransition.patch and\nSplitTransition.split. Implementers continue to work as-is with the\nBuildOptions variant, while we can incrementally switch them over to\nthe RestrictedBuildOptions variant at whatever pace we desire.\n\nThis helps decouple risk of failing CI if/when we accidentally forget\nto migrate a few implementers or get their set of declared fragments wrong.\n\nThis implements step 1 of https://github.com/bazelbuild/bazel/issues/11258.\n\nPiperOrigin-RevId: 312311815\n",
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