ci(mix): rm mix.lock from repo

While Mix is not the main build tool, we remove the commited
`mix.lock` file to reduce friction when updating dependencies, since
it requires remembering to run `mix deps.get` to update the
`mix.lock`, used by a CI check in
`scripts/check-elixir-deps-discrepancies.exs`.  We change said script
to produce the required file on the fly.

.github/workflows/elixir_deps_check.yaml

@@ -10,10 +10,10 @@ jobs:
     container: hexpm/elixir:1.13.1-erlang-24.2-alpine-3.15.0
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v2.4.0
       - name: install
         run: apk add make bash curl git
+      - name: Checkout
+        uses: actions/checkout@v2.4.0
       - name: ensure rebar
         run: ./scripts/ensure-rebar3.sh 3.16.1-emqx-1
       - name: check elixir deps

.gitignore

@@ -60,3 +60,5 @@ erlang_ls.config
 *#
 # For direnv
 .envrc
+# elixir
+mix.lock

mix.lock

@@ -1,54 +0,0 @@
-%{
-  "bcrypt": {:git, "https://github.com/emqx/erlang-bcrypt.git", "dc2ba66acf2332c111362d01137746eefecc5e90", [tag: "0.6.0"]},
-  "bson": {:git, "https://github.com/comtihon/bson-erlang.git", "14308ab927cfa69324742c3de720578094e0bb19", [tag: "v0.2.2"]},
-  "cowboy": {:git, "https://github.com/emqx/cowboy.git", "e3ed6c2ab3ac29988d26ed1f176def47b6e8d6de", [tag: "2.9.0"]},
-  "cowboy_swagger": {:git, "https://github.com/inaka/cowboy_swagger", "bc441df7988da0f5c5d11ae0861c394dc30995c5", [tag: "2.5.0"]},
-  "cowlib": {:git, "https://github.com/ninenines/cowlib.git", "c6553f8308a2ca5dcd69d845f0a7d098c40c3363", [ref: "c6553f8308a2ca5dcd69d845f0a7d098c40c3363"]},
-  "ecpool": {:git, "https://github.com/emqx/ecpool.git", "0516d2cebd14654ef8c583c347e4a0b01363b86d", [tag: "0.5.1"]},
-  "eetcd": {:git, "https://github.com/zhongwencool/eetcd", "69d50aca98247953ee8a3ff58423a693f8318d90", [tag: "v0.3.4"]},
-  "ehttpc": {:git, "https://github.com/emqx/ehttpc.git", "7b1a76b2353b385725e62f948cd399c7040467f8", [tag: "0.1.12"]},
-  "ekka": {:git, "https://github.com/emqx/ekka.git", "70f2250e5e968e0c1da64e5b4733c5eb0eb402de", [tag: "0.11.2"]},
-  "eldap2": {:git, "https://github.com/emqx/eldap2", "f595f67b094db3b9dc07941337706621e815431f", [tag: "v0.2.2"]},
-  "emqtt": {:git, "https://github.com/emqx/emqtt.git", "25892ef48a979a9dfbd74d86133cb28cf11f3cf4", [tag: "1.4.3"]},
-  "emqx_http_lib": {:git, "https://github.com/emqx/emqx_http_lib.git", "b84d42239fb09fecf50d9469fac914fb9b8efe34", [tag: "0.4.1"]},
-  "epgsql": {:git, "https://github.com/epgsql/epgsql.git", "f7530f63ae40ea2b81bae7d4a33292212349b761", [tag: "4.6.0"]},
-  "eredis": {:git, "https://github.com/emqx/eredis", "75f2b8eedbe631136326680225efbcd2684e93e7", [tag: "1.2.5"]},
-  "eredis_cluster": {:git, "https://github.com/emqx/eredis_cluster", "624749b4aef25668e9c7a545427fdc663a04faef", [tag: "0.6.7"]},
-  "esasl": {:git, "https://github.com/emqx/esasl.git", "96d7ac9f6c156017dd35b30df2dd722ae469c7f0", [tag: "0.2.0"]},
-  "esockd": {:git, "https://github.com/emqx/esockd.git", "abb01f31c47303b4b4eecdbfe8401feedb6b4216", [tag: "5.9.0"]},
-  "estatsd": {:git, "https://github.com/emqx/estatsd", "5184d846b7ecb83509bd4d32695c60428c0198cd", [tag: "0.1.0"]},
-  "gen_rpc": {:git, "https://github.com/emqx/gen_rpc.git", "fb7418dc8cf7e97d153fba073bee0fac07dce753", [tag: "2.5.1"]},
-  "getopt": {:hex, :getopt, "1.0.2", "33d9b44289fe7ad08627ddfe1d798e30b2da0033b51da1b3a2d64e72cd581d02", [:rebar3], [], "hexpm", "a0029aea4322fb82a61f6876a6d9c66dc9878b6cb61faa13df3187384fd4ea26"},
-  "gpb": {:hex, :gpb, "4.11.2", "a2c05241408310b8bd8dbdfd5e1a419799e45fc1408371eaa0f595023c3b21aa", [:make, :rebar], [], "hexpm", "b355a5982b604d6c044ebb6013e5fe65d30c30d0700d35317e7066691eb6bd61"},
-  "gproc": {:git, "https://github.com/uwiger/gproc.git", "ce7397809aca0d6eb3aac6db65953752e47fb511", [tag: "0.8.0"]},
-  "grpc": {:git, "https://github.com/emqx/grpc-erl", "9dd00ce65ecbd7fac2de5537edb9976d40b07fe9", [tag: "0.6.4"]},
-  "gun": {:git, "https://github.com/emqx/gun.git", "89134e57b3e706c9851701907e00df69d84e9de5", [tag: "1.3.6"]},
-  "hocon": {:git, "https://github.com/emqx/hocon.git", "0b1918a07620587a28ecec9c797b5c02c615cccd", [tag: "0.22.2"]},
-  "hut": {:hex, :hut, "1.3.0", "71f2f054e657c03f959cf1acc43f436ea87580696528ca2a55c8afb1b06c85e7", [:"erlang.mk", :rebar, :rebar3], [], "hexpm", "7e15d28555d8a1f2b5a3a931ec120af0753e4853a4c66053db354f35bf9ab563"},
-  "jiffy": {:git, "https://github.com/emqx/jiffy.git", "baa1f4e750ae3c5c9e54f9c2e52280b7fc24a8d9", [tag: "1.0.5"]},
-  "jose": {:git, "https://github.com/potatosalad/erlang-jose.git", "991649695aaccd92c8effb1c1e88e6159fe8e9a6", [tag: "1.11.2"]},
-  "jsx": {:git, "https://github.com/talentdeficit/jsx.git", "bb9b3e570a7efe331eed0900c3a5188043a850d7", [tag: "v3.1.0"]},
-  "lc": {:git, "https://github.com/qzhuyan/lc.git", "6f98d098e5aaf4fcd6afbbb2acca96855c474600", [tag: "0.1.2"]},
-  "minirest": {:git, "https://github.com/emqx/minirest.git", "f3f80b3e07295d8b6db22ed456318e0cc9dd167f", [tag: "1.2.7"]},
-  "mnesia_rocksdb": {:git, "https://github.com/k32/mnesia_rocksdb", "68a80d127c49005480e0dd1f73149e8621052100", [tag: "0.1.5-k32"]},
-  "mongodb": {:git, "https://github.com/emqx/mongodb-erlang", "7c6d6fcd562c0b9c88e123ee1cf5ed0b97d0f3ac", [tag: "v3.0.11"]},
-  "mria": {:git, "https://github.com/emqx/mria.git", "2bf3a71abc3635f910be4b943fa4ccbf8b8257fa", [tag: "0.1.5"]},
-  "mysql": {:git, "https://github.com/emqx/mysql-otp", "bdabac44cc8836a9e23897b7e1b77c7df7e04f70", [tag: "1.7.1"]},
-  "observer_cli": {:hex, :observer_cli, "1.7.1", "c9ca1f623a3ef0158283a3c37cd7b7235bfe85927ad6e26396dd247e2057f5a1", [:mix, :rebar3], [{:recon, "~>2.5.1", [hex: :recon, repo: "hexpm", optional: false]}], "hexpm", "4ccafaaa2ce01b85ddd14591f4d5f6731b4e13b610a70fb841f0701178478280"},
-  "pbkdf2": {:git, "https://github.com/emqx/erlang-pbkdf2.git", "45d9981209ea07a83a58cf85aaf8236457da4342", [tag: "2.0.4"]},
-  "poolboy": {:git, "https://github.com/emqx/poolboy.git", "29be47db8c2be38b18c908e43a80ebb7b9b6116b", [tag: "1.5.2"]},
-  "prometheus": {:git, "https://github.com/emqx/prometheus.erl", "9994c76adca40d91a2545102230ccce2423fd8a7", [ref: "9994c76adca40d91a2545102230ccce2423fd8a7"]},
-  "quicer": {:git, "https://github.com/emqx/quic.git", "ef73617d0f10f0f30f3aa77eb4a2f6ae071a2e29", [tag: "0.0.9"]},
-  "ranch": {:git, "https://github.com/ninenines/ranch.git", "a692f44567034dacf5efcaa24a24183788594eb7", [ref: "a692f44567034dacf5efcaa24a24183788594eb7"]},
-  "recon": {:git, "https://github.com/ferd/recon.git", "f7b6c08e6e9e2219db58bfb012c58c178822e01e", [tag: "2.5.1"]},
-  "replayq": {:hex, :replayq, "0.3.3", "29344e4fd7c41c232d7f20d7a6e6712169ca585583bbb4bb6dd518f04e0d6cc4", [:rebar3], [], "hexpm", "3a527aff0960cf7ba7d189c79d7f0fbc170adb62e351acc223ccd6d094095c27"},
-  "rocksdb": {:git, "https://github.com/k32/erlang-rocksdb.git", "e74972c3da4fe1f08eb66d39fce643a2d25a60be", [tag: "1.7.2-k32"]},
-  "rulesql": {:git, "https://github.com/emqx/rulesql.git", "fec11b1a3cbf98480d19c06d3aca10442e1e02a9", [tag: "0.1.4"]},
-  "sext": {:hex, :sext, "1.8.0", "90a95b889f5c781b70bbcf44278b763148e313c376b60d87ce664cb1c1dd29b5", [:rebar3], [], "hexpm", "bc6016cb8690baf677eacacfe6e7cadfec8dc7e286cbbed762f6cd55b0678e73"},
-  "snabbkaffe": {:git, "https://github.com/kafka4beam/snabbkaffe.git", "750ea19ab8fbcb609639d5234b5a2dde75ac38e9", [tag: "0.16.0"]},
-  "ssl_verify_fun": {:git, "https://github.com/deadtrickster/ssl_verify_fun.erl.git", "c5718226b0b9f3d1a38ef6ca3c3b4c75f53dda92", [tag: "1.1.4"]},
-  "supervisor3": {:hex, :supervisor3, "1.1.9", "f1a3cc12fb6197526f548e79c9fe2b4af0c74efb8a687917b3b1ebe5e9c9368d", [:rebar3], [], "hexpm", "71b177c08f8cab9ec8ecb81c1aa28a23bbc24aac4b468c2db69840229d78d5c4"},
-  "system_monitor": {:git, "https://github.com/k32/system_monitor.git", "3b4b381bf9503695cd764ecf22067ac6542cee89", [tag: "2.2.1"]},
-  "trails": {:hex, :trails, "2.3.0", "b09703f056705f4943e14fff077b98c711a6f48fad40f4ff0b350794074ad69c", [:rebar3], [{:cowboy, "2.8.0", [hex: :cowboy, repo: "hexpm", optional: false]}, {:ranch, "2.0.0", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "40804001eb80417aa9d02400f39b7216956c3f251539a8a6096a69b3fac0ea07"},
-  "typerefl": {:git, "https://github.com/k32/typerefl.git", "0cafafe1a6ce94f8709f237e890026a290a3e36f", [tag: "0.8.5"]},
-}

scripts/check-elixir-deps-discrepancies.exs

@@ -1,5 +1,8 @@
 #!/usr/bin/env elixir
 
+# ensure we have a mix.lock
+{_, 0} = System.cmd("mix", ["deps.get"], into: IO.stream())
+
 # ensure we have a fresh rebar.lock
 
 case File.stat("rebar.lock") do