phabricator: add a contrib script The default Phabricator client arcanist is not friendly to send a stack of changesets. It works better when a feature branch is reviewed as a single review unit. However, we want multiple revisions per feature branch. To be able to have an `hg email`-like UX to send and receive a stack of commits easily, it seems we have to re-invent things. This patch adds `phabricator.py` speaking Conduit API [1] in `contrib` as the first step. This may also be an option for people who don't want to run PHP. Config could be done in `hgrc` (instead of `arcrc` or `arcconfig`): [phabricator] # API token. Get it from https://phab.mercurial-scm.org/conduit/login/ token = cli-xxxxxxxxxxxxxxxxxxxxxxxxxxxx url = https://phab.mercurial-scm.org/ # callsign is used by the next patch callsign = HG This patch only adds a single command: `debugcallconduit` to keep the patch size small. To test it, having the above config, and run: $ hg debugcallconduit diffusion.repository.search <<EOF > {"constraints": {"callsigns": ["HG"]}} > EOF The result will be printed in prettified JSON format. [1]: Conduit APIs are listed at https://phab.mercurial-scm.org/conduit/

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{

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    "version": 1,

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    "project": "mercurial",

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    "project_url": "https://mercurial-scm.org/",

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    "repo": "..",

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    "branches": ["default", "stable"],

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    "environment_type": "virtualenv",

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    "show_commit_url": "https://www.mercurial-scm.org/repo/hg/rev/",

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    "benchmark_dir": "benchmarks",

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    "env_dir": "../.asv/env",

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    "results_dir": "../.asv/results",

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    "html_dir": "../.asv/html"

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}