contrib/asv.conf.json

rebase: add flag to require destination

In some mercurial workflows, the default destination for rebase does not
always work well and can lead to confusing behavior. With this flag enabled,
every rebase command will require passing an explicit destination, eliminating
this confusion.

{
    "version": 1,
    "project": "mercurial",
    "project_url": "https://mercurial-scm.org/",
    "repo": "..",
    "branches": ["default", "stable"],
    "environment_type": "virtualenv",
    "show_commit_url": "https://www.mercurial-scm.org/repo/hg/rev/",
    "benchmark_dir": "benchmarks",
    "env_dir": "../.asv/env",
    "results_dir": "../.asv/results",
    "html_dir": "../.asv/html"
}