Function setPercyTargetCommit

build-system/tasks/visual-diff/index.js:137–141

* Set the branching point's SHA to an env variable. * * This will let Percy determine which build to use as the baseline for this new * build. * * Only does something during CI, and for non-main branches, since main branch * builds are always built on top of the previous commit (we use the squ

()

 * merge method for pull requests.)
 */
function setPercyTargetCommit() {
  if (isCiBuild() && !argv.main) {
    process.env['PERCY_TARGET_COMMIT'] = gitCiMainBaseline();
  }
}

/**
 * Launches a Percy agent instance.