brew-formula-update.json

[
    {
        "id": "889ee9b.7067c18",
        "type": "tab",
        "label": "Brew formula update",
        "disabled": false,
        "info": ""
    },
    {
        "id": "a5a4f493.377b68",
        "type": "webhookrelay",
        "z": "889ee9b.7067c18",
        "buckets": "nodered, cloudbuilder",
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        "y": 140,
        "wires": [
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    {
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        "type": "switch",
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        "name": "",
        "property": "topic",
        "propertyType": "msg",
        "rules": [
            {
                "t": "eq",
                "v": "cloudbuilder",
                "vt": "str"
            }
        ],
        "checkall": "true",
        "repair": false,
        "outputs": 1,
        "x": 110,
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        "wires": [
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                "d117d48a.8bd808"
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    {
        "id": "d117d48a.8bd808",
        "type": "http request",
        "z": "889ee9b.7067c18",
        "name": "download darwin binary",
        "method": "GET",
        "ret": "bin",
        "url": "https://storage.googleapis.com/webhookrelay/downloads/relay-darwin-amd64",
        "tls": "",
        "x": 310,
        "y": 260,
        "wires": [
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                "25d481d0.d11c2e"
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        "z": "889ee9b.7067c18",
        "name": "",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "true",
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    {
        "id": "eeb7aaab.cad0a8",
        "type": "github-repo",
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        "github": "",
        "name": "update brew file",
        "username": "webhookrelay",
        "usernameType": "str",
        "repository": "homebrew-tap",
        "repositoryType": "str",
        "action": "write",
        "branch": "master",
        "branchType": "str",
        "path": "relay.rb",
        "pathType": "str",
        "pathto": "",
        "pathtoType": "str",
        "contents": "payload",
        "contentsType": "msg",
        "outputs": "0",
        "x": 580,
        "y": 380,
        "wires": []
    },
    {
        "id": "3d5fac52.d118b4",
        "type": "template",
        "z": "889ee9b.7067c18",
        "name": "generate relay.rb",
        "field": "payload",
        "fieldType": "msg",
        "format": "handlebars",
        "syntax": "mustache",
        "template": "class Relay < Formula  \n  desc \"Client for Webhook Relay service - demo websites from localhost and receive webhooks behind firewalls and NAT\"\n  homepage \"https://webhookrelay.com\"\n  url \"https://storage.googleapis.com/webhookrelay/downloads/relay-darwin-amd64\"\n  sha256 \"{{payload}}\"\n\n  def install    \n    mv \"relay-darwin-amd64\", \"relay\"\n    bin.install \"relay\"\n  end\n\n  test do\n    system \"#{bin}/relay\", \"--version\"\n  end\nend",
        "output": "str",
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        "y": 380,
        "wires": [
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                "64087d33.b2a574",
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    {
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        "type": "comment",
        "z": "889ee9b.7067c18",
        "name": "writing our downloaded binary to disk and generating sha256",
        "info": "",
        "x": 500,
        "y": 200,
        "wires": []
    },
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        "id": "c649c24f.a5d91",
        "type": "function",
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        "name": "sha256",
        "func": "var require = global.get('require');\nvar crypto = require('crypto');\nvar fs = require('fs');\n\nvar algo = 'sha256';\nvar shasum = crypto.createHash(algo);\n\nvar file = '/tmp/relay-darwin-amd64-nr';\nvar s = fs.ReadStream(file);\n\ns.on('data', function(d) { shasum.update(d); });\ns.on('end', function() {\n    var sum = shasum.digest('hex');\n    node.send({payload: sum});\n    \n});\n\nreturn;",
        "outputs": 1,
        "noerr": 0,
        "x": 120,
        "y": 380,
        "wires": [
            [
                "94359551.b49908",
                "3d5fac52.d118b4",
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    },
    {
        "id": "eb37953a.602c58",
        "type": "http request",
        "z": "889ee9b.7067c18",
        "name": "webhook to Slack",
        "method": "POST",
        "ret": "txt",
        "url": "https://hooks.slack.com/services/[ADD YOUR WEBHOOK ENDPOINT]",
        "tls": "",
        "x": 550,
        "y": 440,
        "wires": [
            [
                "4f3c54cc.28165c"
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        ]
    },
    {
        "id": "94359551.b49908",
        "type": "template",
        "z": "889ee9b.7067c18",
        "name": "gen slack message",
        "field": "payload",
        "fieldType": "msg",
        "format": "handlebars",
        "syntax": "mustache",
        "template": "{\n    \"response_type\": \"in_channel\",\n    \"text\": \"Brew formula SHA updated to: {{payload}}\"\n}",
        "output": "str",
        "x": 330,
        "y": 440,
        "wires": [
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        ]
    },
    {
        "id": "4f3c54cc.28165c",
        "type": "debug",
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        "name": "",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
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        "wires": []
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        "type": "file",
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        "name": "write relay-darwin-amd64 to disk",
        "filename": "/tmp/relay-darwin-amd64-nr",
        "appendNewline": true,
        "createDir": false,
        "overwriteFile": "true",
        "x": 590,
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        "wires": [
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    },
    {
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        "type": "file",
        "z": "889ee9b.7067c18",
        "name": "delete file",
        "filename": "/tmp/relay-darwin-amd64-nr",
        "appendNewline": true,
        "createDir": false,
        "overwriteFile": "delete",
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        "y": 500,
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]