Check context type

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/ci.yml

@@ -81,8 +81,11 @@ jobs:
       -
         name: Build and push
         uses: ./
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+          GITHUB_REF: ${{ github.ref }}
         with:
-          context: "https://x-access-token:${{ github.token }}@github.com/${{ github.repository }}#${{ github.ref }}"
+          context: ${{ github.repositoryUrl }}
           file: ./test/Dockerfile
           builder: ${{ steps.buildx.outputs.name }}
           platforms: linux/amd64,linux/arm64,linux/386

README.md

@@ -6,6 +6,7 @@ ___
 
 * [Usage](#usage)
   * [Quick start](#quick-start)
+  * [Bake](#bake)
 * [Customizing](#customizing)
   * [inputs](#inputs)
   * [outputs](#outputs)

dist/index.js

@@ -951,6 +951,213 @@ class ExecState extends events.EventEmitter {
 }
 //# sourceMappingURL=toolrunner.js.map
 
+/***/ }),
+
+/***/ 45:
+/***/ (function(module, __unusedexports, __webpack_require__) {
+
+"use strict";
+
+
+// Dependencies
+
+var parseUrl = __webpack_require__(823),
+    isSsh = __webpack_require__(720);
+
+/**
+ * gitUp
+ * Parses the input url.
+ *
+ * @name gitUp
+ * @function
+ * @param {String} input The input url.
+ * @return {Object} An object containing the following fields:
+ *
+ *  - `protocols` (Array): An array with the url protocols (usually it has one element).
+ *  - `port` (null|Number): The domain port.
+ *  - `resource` (String): The url domain (including subdomains).
+ *  - `user` (String): The authentication user (usually for ssh urls).
+ *  - `pathname` (String): The url pathname.
+ *  - `hash` (String): The url hash.
+ *  - `search` (String): The url querystring value.
+ *  - `href` (String): The input url.
+ *  - `protocol` (String): The git url protocol.
+ *  - `token` (String): The oauth token (could appear in the https urls).
+ */
+function gitUp(input) {
+    var output = parseUrl(input);
+    output.token = "";
+
+    var splits = output.user.split(":");
+    if (splits.length === 2) {
+        if (splits[1] === "x-oauth-basic") {
+            output.token = splits[0];
+        } else if (splits[0] === "x-token-auth") {
+            output.token = splits[1];
+        }
+    }
+
+    if (isSsh(output.protocols) || isSsh(input)) {
+        output.protocol = "ssh";
+    } else if (output.protocols.length) {
+        output.protocol = output.protocols[0];
+    } else {
+        output.protocol = "file";
+    }
+
+    output.href = output.href.replace(/\/$/, "");
+    return output;
+}
+
+module.exports = gitUp;
+
+/***/ }),
+
+/***/ 53:
+/***/ (function(module, __unusedexports, __webpack_require__) {
+
+"use strict";
+
+// TODO: Use the `URL` global when targeting Node.js 10
+const URLParser = typeof URL === 'undefined' ? __webpack_require__(835).URL : URL;
+
+const testParameter = (name, filters) => {
+	return filters.some(filter => filter instanceof RegExp ? filter.test(name) : filter === name);
+};
+
+module.exports = (urlString, opts) => {
+	opts = Object.assign({
+		defaultProtocol: 'http:',
+		normalizeProtocol: true,
+		forceHttp: false,
+		forceHttps: false,
+		stripHash: true,
+		stripWWW: true,
+		removeQueryParameters: [/^utm_\w+/i],
+		removeTrailingSlash: true,
+		removeDirectoryIndex: false,
+		sortQueryParameters: true
+	}, opts);
+
+	// Backwards compatibility
+	if (Reflect.has(opts, 'normalizeHttps')) {
+		opts.forceHttp = opts.normalizeHttps;
+	}
+
+	if (Reflect.has(opts, 'normalizeHttp')) {
+		opts.forceHttps = opts.normalizeHttp;
+	}
+
+	if (Reflect.has(opts, 'stripFragment')) {
+		opts.stripHash = opts.stripFragment;
+	}
+
+	urlString = urlString.trim();
+
+	const hasRelativeProtocol = urlString.startsWith('//');
+	const isRelativeUrl = !hasRelativeProtocol && /^\.*\//.test(urlString);
+
+	// Prepend protocol
+	if (!isRelativeUrl) {
+		urlString = urlString.replace(/^(?!(?:\w+:)?\/\/)|^\/\//, opts.defaultProtocol);
+	}
+
+	const urlObj = new URLParser(urlString);
+
+	if (opts.forceHttp && opts.forceHttps) {
+		throw new Error('The `forceHttp` and `forceHttps` options cannot be used together');
+	}
+
+	if (opts.forceHttp && urlObj.protocol === 'https:') {
+		urlObj.protocol = 'http:';
+	}
+
+	if (opts.forceHttps && urlObj.protocol === 'http:') {
+		urlObj.protocol = 'https:';
+	}
+
+	// Remove hash
+	if (opts.stripHash) {
+		urlObj.hash = '';
+	}
+
+	// Remove duplicate slashes if not preceded by a protocol
+	if (urlObj.pathname) {
+		// TODO: Use the following instead when targeting Node.js 10
+		// `urlObj.pathname = urlObj.pathname.replace(/(?<!https?:)\/{2,}/g, '/');`
+		urlObj.pathname = urlObj.pathname.replace(/((?![https?:]).)\/{2,}/g, (_, p1) => {
+			if (/^(?!\/)/g.test(p1)) {
+				return `${p1}/`;
+			}
+			return '/';
+		});
+	}
+
+	// Decode URI octets
+	if (urlObj.pathname) {
+		urlObj.pathname = decodeURI(urlObj.pathname);
+	}
+
+	// Remove directory index
+	if (opts.removeDirectoryIndex === true) {
+		opts.removeDirectoryIndex = [/^index\.[a-z]+$/];
+	}
+
+	if (Array.isArray(opts.removeDirectoryIndex) && opts.removeDirectoryIndex.length > 0) {
+		let pathComponents = urlObj.pathname.split('/');
+		const lastComponent = pathComponents[pathComponents.length - 1];
+
+		if (testParameter(lastComponent, opts.removeDirectoryIndex)) {
+			pathComponents = pathComponents.slice(0, pathComponents.length - 1);
+			urlObj.pathname = pathComponents.slice(1).join('/') + '/';
+		}
+	}
+
+	if (urlObj.hostname) {
+		// Remove trailing dot
+		urlObj.hostname = urlObj.hostname.replace(/\.$/, '');
+
+		// Remove `www.`
+		// eslint-disable-next-line no-useless-escape
+		if (opts.stripWWW && /^www\.([a-z\-\d]{2,63})\.([a-z\.]{2,5})$/.test(urlObj.hostname)) {
+			// Each label should be max 63 at length (min: 2).
+			// The extension should be max 5 at length (min: 2).
+			// Source: https://en.wikipedia.org/wiki/Hostname#Restrictions_on_valid_host_names
+			urlObj.hostname = urlObj.hostname.replace(/^www\./, '');
+		}
+	}
+
+	// Remove query unwanted parameters
+	if (Array.isArray(opts.removeQueryParameters)) {
+		for (const key of [...urlObj.searchParams.keys()]) {
+			if (testParameter(key, opts.removeQueryParameters)) {
+				urlObj.searchParams.delete(key);
+			}
+		}
+	}
+
+	// Sort query parameters
+	if (opts.sortQueryParameters) {
+		urlObj.searchParams.sort();
+	}
+
+	// Take advantage of many of the Node `url` normalizations
+	urlString = urlObj.toString();
+
+	// Remove ending `/`
+	if (opts.removeTrailingSlash || urlObj.pathname === '/') {
+		urlString = urlString.replace(/\/$/, '');
+	}
+
+	// Restore relative protocol, if applicable
+	if (hasRelativeProtocol && !opts.normalizeProtocol) {
+		urlString = urlString.replace(/^http:\/\//, '//');
+	}
+
+	return urlString;
+};
+
+
 /***/ }),
 
 /***/ 87:
@@ -967,6 +1174,13 @@ module.exports = require("child_process");
 
 /***/ }),
 
+/***/ 191:
+/***/ (function(module) {
+
+module.exports = require("querystring");
+
+/***/ }),
+
 /***/ 198:
 /***/ (function(__unusedmodule, exports, __webpack_require__) {
 
@@ -1036,6 +1250,240 @@ run();
 
 /***/ }),
 
+/***/ 253:
+/***/ (function(module, __unusedexports, __webpack_require__) {
+
+"use strict";
+
+
+var gitUp = __webpack_require__(45);
+
+/**
+ * gitUrlParse
+ * Parses a Git url.
+ *
+ * @name gitUrlParse
+ * @function
+ * @param {String} url The Git url to parse.
+ * @return {GitUrl} The `GitUrl` object containing:
+ *
+ *  - `protocols` (Array): An array with the url protocols (usually it has one element).
+ *  - `port` (null|Number): The domain port.
+ *  - `resource` (String): The url domain (including subdomains).
+ *  - `user` (String): The authentication user (usually for ssh urls).
+ *  - `pathname` (String): The url pathname.
+ *  - `hash` (String): The url hash.
+ *  - `search` (String): The url querystring value.
+ *  - `href` (String): The input url.
+ *  - `protocol` (String): The git url protocol.
+ *  - `token` (String): The oauth token (could appear in the https urls).
+ *  - `source` (String): The Git provider (e.g. `"github.com"`).
+ *  - `owner` (String): The repository owner.
+ *  - `name` (String): The repository name.
+ *  - `ref` (String): The repository ref (e.g., "master" or "dev").
+ *  - `filepath` (String): A filepath relative to the repository root.
+ *  - `filepathtype` (String): The type of filepath in the url ("blob" or "tree").
+ *  - `full_name` (String): The owner and name values in the `owner/name` format.
+ *  - `toString` (Function): A function to stringify the parsed url into another url type.
+ *  - `organization` (String): The organization the owner belongs to. This is CloudForge specific.
+ *  - `git_suffix` (Boolean): Whether to add the `.git` suffix or not.
+ *
+ */
+function gitUrlParse(url) {
+
+    if (typeof url !== "string") {
+        throw new Error("The url must be a string.");
+    }
+
+    var urlInfo = gitUp(url),
+        sourceParts = urlInfo.resource.split("."),
+        splits = null;
+
+    urlInfo.toString = function (type) {
+        return gitUrlParse.stringify(this, type);
+    };
+
+    urlInfo.source = sourceParts.length > 2 ? sourceParts.slice(1 - sourceParts.length).join(".") : urlInfo.source = urlInfo.resource;
+
+    // Note: Some hosting services (e.g. Visual Studio Team Services) allow whitespace characters
+    // in the repository and owner names so we decode the URL pieces to get the correct result
+    urlInfo.git_suffix = /\.git$/.test(urlInfo.pathname);
+    urlInfo.name = decodeURIComponent(urlInfo.pathname.replace(/^\//, '').replace(/\.git$/, ""));
+    urlInfo.owner = decodeURIComponent(urlInfo.user);
+
+    switch (urlInfo.source) {
+        case "git.cloudforge.com":
+            urlInfo.owner = urlInfo.user;
+            urlInfo.organization = sourceParts[0];
+            urlInfo.source = "cloudforge.com";
+            break;
+        case "visualstudio.com":
+            // Handle VSTS SSH URLs
+            if (urlInfo.resource === 'vs-ssh.visualstudio.com') {
+                splits = urlInfo.name.split("/");
+                if (splits.length === 4) {
+                    urlInfo.organization = splits[1];
+                    urlInfo.owner = splits[2];
+                    urlInfo.name = splits[3];
+                    urlInfo.full_name = splits[2] + '/' + splits[3];
+                }
+                break;
+            } else {
+                splits = urlInfo.name.split("/");
+                if (splits.length === 2) {
+                    urlInfo.owner = splits[1];
+                    urlInfo.name = splits[1];
+                    urlInfo.full_name = '_git/' + urlInfo.name;
+                } else if (splits.length === 3) {
+                    urlInfo.name = splits[2];
+                    if (splits[0] === 'DefaultCollection') {
+                        urlInfo.owner = splits[2];
+                        urlInfo.organization = splits[0];
+                        urlInfo.full_name = urlInfo.organization + '/_git/' + urlInfo.name;
+                    } else {
+                        urlInfo.owner = splits[0];
+                        urlInfo.full_name = urlInfo.owner + '/_git/' + urlInfo.name;
+                    }
+                } else if (splits.length === 4) {
+                    urlInfo.organization = splits[0];
+                    urlInfo.owner = splits[1];
+                    urlInfo.name = splits[3];
+                    urlInfo.full_name = urlInfo.organization + '/' + urlInfo.owner + '/_git/' + urlInfo.name;
+                }
+                break;
+            }
+
+        // Azure DevOps (formerly Visual Studio Team Services)
+        case "dev.azure.com":
+        case "azure.com":
+            if (urlInfo.resource === 'ssh.dev.azure.com') {
+                splits = urlInfo.name.split("/");
+                if (splits.length === 4) {
+                    urlInfo.organization = splits[1];
+                    urlInfo.owner = splits[2];
+                    urlInfo.name = splits[3];
+                }
+                break;
+            } else {
+                splits = urlInfo.name.split("/");
+                if (splits.length === 5) {
+                    urlInfo.organization = splits[0];
+                    urlInfo.owner = splits[1];
+                    urlInfo.name = splits[4];
+                    urlInfo.full_name = '_git/' + urlInfo.name;
+                } else if (splits.length === 3) {
+                    urlInfo.name = splits[2];
+                    if (splits[0] === 'DefaultCollection') {
+                        urlInfo.owner = splits[2];
+                        urlInfo.organization = splits[0];
+                        urlInfo.full_name = urlInfo.organization + '/_git/' + urlInfo.name;
+                    } else {
+                        urlInfo.owner = splits[0];
+                        urlInfo.full_name = urlInfo.owner + '/_git/' + urlInfo.name;
+                    }
+                } else if (splits.length === 4) {
+                    urlInfo.organization = splits[0];
+                    urlInfo.owner = splits[1];
+                    urlInfo.name = splits[3];
+                    urlInfo.full_name = urlInfo.organization + '/' + urlInfo.owner + '/_git/' + urlInfo.name;
+                }
+                break;
+            }
+        default:
+            splits = urlInfo.name.split("/");
+            var nameIndex = splits.length - 1;
+            if (splits.length >= 2) {
+                var blobIndex = splits.indexOf("blob", 2);
+                var treeIndex = splits.indexOf("tree", 2);
+                var commitIndex = splits.indexOf("commit", 2);
+                nameIndex = blobIndex > 0 ? blobIndex - 1 : treeIndex > 0 ? treeIndex - 1 : commitIndex > 0 ? commitIndex - 1 : nameIndex;
+
+                urlInfo.owner = splits.slice(0, nameIndex).join('/');
+                urlInfo.name = splits[nameIndex];
+                if (commitIndex) {
+                    urlInfo.commit = splits[nameIndex + 2];
+                }
+            }
+
+            urlInfo.ref = "";
+            urlInfo.filepathtype = "";
+            urlInfo.filepath = "";
+            if (splits.length > nameIndex + 2 && ["blob", "tree"].indexOf(splits[nameIndex + 1]) >= 0) {
+                urlInfo.filepathtype = splits[nameIndex + 1];
+                urlInfo.ref = splits[nameIndex + 2];
+                if (splits.length > nameIndex + 3) {
+                    urlInfo.filepath = splits.slice(nameIndex + 3).join('/');
+                }
+            }
+            urlInfo.organization = urlInfo.owner;
+            break;
+    }
+
+    if (!urlInfo.full_name) {
+        urlInfo.full_name = urlInfo.owner;
+        if (urlInfo.name) {
+            urlInfo.full_name && (urlInfo.full_name += "/");
+            urlInfo.full_name += urlInfo.name;
+        }
+    }
+
+    return urlInfo;
+}
+
+/**
+ * stringify
+ * Stringifies a `GitUrl` object.
+ *
+ * @name stringify
+ * @function
+ * @param {GitUrl} obj The parsed Git url object.
+ * @param {String} type The type of the stringified url (default `obj.protocol`).
+ * @return {String} The stringified url.
+ */
+gitUrlParse.stringify = function (obj, type) {
+    type = type || (obj.protocols && obj.protocols.length ? obj.protocols.join('+') : obj.protocol);
+    var port = obj.port ? ":" + obj.port : '';
+    var user = obj.user || 'git';
+    var maybeGitSuffix = obj.git_suffix ? ".git" : "";
+    switch (type) {
+        case "ssh":
+            if (port) return "ssh://" + user + "@" + obj.resource + port + "/" + obj.full_name + maybeGitSuffix;else return user + "@" + obj.resource + ":" + obj.full_name + maybeGitSuffix;
+        case "git+ssh":
+        case "ssh+git":
+        case "ftp":
+        case "ftps":
+            return type + "://" + user + "@" + obj.resource + port + "/" + obj.full_name + maybeGitSuffix;
+        case "http":
+        case "https":
+            var auth = obj.token ? buildToken(obj) : obj.user && (obj.protocols.includes('http') || obj.protocols.includes('https')) ? obj.user + "@" : "";
+            return type + "://" + auth + obj.resource + port + "/" + obj.full_name + maybeGitSuffix;
+        default:
+            return obj.href;
+    }
+};
+
+/*!
+ * buildToken
+ * Builds OAuth token prefix (helper function)
+ *
+ * @name buildToken
+ * @function
+ * @param {GitUrl} obj The parsed Git url object.
+ * @return {String} token prefix
+ */
+function buildToken(obj) {
+    switch (obj.source) {
+        case "bitbucket.org":
+            return "x-token-auth:" + obj.token + "@";
+        default:
+            return obj.token + "@";
+    }
+}
+
+module.exports = gitUrlParse;
+
+/***/ }),
+
 /***/ 357:
 /***/ (function(module) {
 
@@ -1404,13 +1852,17 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.getArgs = exports.getInputs = void 0;
+const git_url_parse_1 = __importDefault(__webpack_require__(253));
 const core = __importStar(__webpack_require__(470));
 function getInputs() {
     return __awaiter(this, void 0, void 0, function* () {
         return {
-            context: core.getInput('context') || '.',
+            context: yield getBuildContext(),
             file: core.getInput('file') || './Dockerfile',
             buildArgs: yield getInputList('build-args'),
             labels: yield getInputList('labels'),
@@ -1453,6 +1905,23 @@ function getArgs(inputs) {
     });
 }
 exports.getArgs = getArgs;
+function getBuildContext() {
+    return __awaiter(this, void 0, void 0, function* () {
+        let context = core.getInput('context');
+        if (!context) {
+            return '.';
+        }
+        try {
+            const gitURL = git_url_parse_1.default(context);
+            gitURL.token = gitURL.token || process.env['GIT_TOKEN'] || process.env['GITHUB_TOKEN'] || '';
+            gitURL.ref = gitURL.ref || process.env['GIT_REF'] || process.env['GITHUB_REF'] || '';
+            return gitURL.toString();
+        }
+        catch (_a) {
+            return context;
+        }
+    });
+}
 function getCommonArgs(inputs) {
     return __awaiter(this, void 0, void 0, function* () {
         let args = [];
@@ -1548,6 +2017,146 @@ module.exports = require("path");
 
 /***/ }),
 
+/***/ 666:
+/***/ (function(module, __unusedexports, __webpack_require__) {
+
+"use strict";
+
+
+// Dependencies
+var protocols = __webpack_require__(737),
+    isSsh = __webpack_require__(720),
+    qs = __webpack_require__(191);
+
+/**
+ * parsePath
+ * Parses the input url.
+ *
+ * @name parsePath
+ * @function
+ * @param {String} url The input url.
+ * @return {Object} An object containing the following fields:
+ *
+ *  - `protocols` (Array): An array with the url protocols (usually it has one element).
+ *  - `protocol` (String): The first protocol, `"ssh"` (if the url is a ssh url) or `"file"`.
+ *  - `port` (null|Number): The domain port.
+ *  - `resource` (String): The url domain (including subdomains).
+ *  - `user` (String): The authentication user (usually for ssh urls).
+ *  - `pathname` (String): The url pathname.
+ *  - `hash` (String): The url hash.
+ *  - `search` (String): The url querystring value.
+ *  - `href` (String): The input url.
+ *  - `query` (Object): The url querystring, parsed as object.
+ */
+function parsePath(url) {
+    url = (url || "").trim();
+    var output = {
+        protocols: protocols(url),
+        protocol: null,
+        port: null,
+        resource: "",
+        user: "",
+        pathname: "",
+        hash: "",
+        search: "",
+        href: url,
+        query: Object.create(null)
+    },
+        protocolIndex = url.indexOf("://"),
+        resourceIndex = -1,
+        splits = null,
+        parts = null;
+
+    if (url.startsWith(".")) {
+        if (url.startsWith("./")) {
+            url = url.substring(2);
+        }
+        output.pathname = url;
+        output.protocol = "file";
+    }
+
+    var firstChar = url.charAt(1);
+    if (!output.protocol) {
+        output.protocol = output.protocols[0];
+        if (!output.protocol) {
+            if (isSsh(url)) {
+                output.protocol = "ssh";
+            } else if (firstChar === "/" || firstChar === "~") {
+                url = url.substring(2);
+                output.protocol = "file";
+            } else {
+                output.protocol = "file";
+            }
+        }
+    }
+
+    if (protocolIndex !== -1) {
+        url = url.substring(protocolIndex + 3);
+    }
+
+    parts = url.split("/");
+    if (output.protocol !== "file") {
+        output.resource = parts.shift();
+    } else {
+        output.resource = "";
+    }
+
+    // user@domain
+    splits = output.resource.split("@");
+    if (splits.length === 2) {
+        output.user = splits[0];
+        output.resource = splits[1];
+    }
+
+    // domain.com:port
+    splits = output.resource.split(":");
+    if (splits.length === 2) {
+        output.resource = splits[0];
+        if (splits[1]) {
+            output.port = Number(splits[1]);
+            if (isNaN(output.port)) {
+                output.port = null;
+                parts.unshift(splits[1]);
+            }
+        } else {
+            output.port = null;
+        }
+    }
+
+    // Remove empty elements
+    parts = parts.filter(Boolean);
+
+    // Stringify the pathname
+    if (output.protocol === "file") {
+        output.pathname = output.href;
+    } else {
+        output.pathname = output.pathname || (output.protocol !== "file" || output.href[0] === "/" ? "/" : "") + parts.join("/");
+    }
+
+    // #some-hash
+    splits = output.pathname.split("#");
+    if (splits.length === 2) {
+        output.pathname = splits[0];
+        output.hash = splits[1];
+    }
+
+    // ?foo=bar
+    splits = output.pathname.split("?");
+    if (splits.length === 2) {
+        output.pathname = splits[0];
+        output.search = splits[1];
+    }
+
+    output.query = qs.parse(output.search);
+    output.href = output.href.replace(/\/$/, "");
+    output.pathname = output.pathname.replace(/\/$/, "");
+    return output;
+}
+
+module.exports = parsePath;
+
+/***/ }),
+
 /***/ 669:
 /***/ (function(module) {
 
@@ -1757,6 +2366,82 @@ function isUnixExecutable(stats) {
 
 /***/ }),
 
+/***/ 720:
+/***/ (function(module, __unusedexports, __webpack_require__) {
+
+"use strict";
+
+
+// Dependencies
+var protocols = __webpack_require__(737);
+
+/**
+ * isSsh
+ * Checks if an input value is a ssh url or not.
+ *
+ * @name isSsh
+ * @function
+ * @param {String|Array} input The input url or an array of protocols.
+ * @return {Boolean} `true` if the input is a ssh url, `false` otherwise.
+ */
+function isSsh(input) {
+
+    if (Array.isArray(input)) {
+        return input.indexOf("ssh") !== -1 || input.indexOf("rsync") !== -1;
+    }
+
+    if (typeof input !== "string") {
+        return false;
+    }
+
+    var prots = protocols(input);
+    input = input.substring(input.indexOf("://") + 3);
+    if (isSsh(prots)) {
+        return true;
+    }
+
+    // TODO This probably could be improved :)
+    return input.indexOf("@") < input.indexOf(":");
+}
+
+module.exports = isSsh;
+
+/***/ }),
+
+/***/ 737:
+/***/ (function(module) {
+
+"use strict";
+
+
+/**
+ * protocols
+ * Returns the protocols of an input url.
+ *
+ * @name protocols
+ * @function
+ * @param {String} input The input url.
+ * @param {Boolean|Number} first If `true`, the first protocol will be returned. If number, it will represent the zero-based index of the protocols array.
+ * @return {Array|String} The array of protocols or the specified protocol.
+ */
+module.exports = function protocols(input, first) {
+
+    if (first === true) {
+        first = 0;
+    }
+
+    var index = input.indexOf("://"),
+        splits = input.substring(0, index).split("+").filter(Boolean);
+
+    if (typeof first === "number") {
+        return splits[first];
+    }
+
+    return splits;
+};
+
+/***/ }),
+
 /***/ 747:
 /***/ (function(module) {
 
@@ -1826,6 +2511,75 @@ exports.exec = (command, args = [], silent) => __awaiter(void 0, void 0, void 0,
 
 /***/ }),
 
+/***/ 823:
+/***/ (function(module, __unusedexports, __webpack_require__) {
+
+"use strict";
+
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var parsePath = __webpack_require__(666),
+    normalizeUrl = __webpack_require__(53);
+
+/**
+ * parseUrl
+ * Parses the input url.
+ *
+ * **Note**: This *throws* if invalid urls are provided.
+ *
+ * @name parseUrl
+ * @function
+ * @param {String} url The input url.
+ * @param {Boolean|Object} normalize Wheter to normalize the url or not.
+ *                         Default is `false`. If `true`, the url will
+ *                         be normalized. If an object, it will be the
+ *                         options object sent to [`normalize-url`](https://github.com/sindresorhus/normalize-url).
+ *
+ *                         For SSH urls, normalize won't work.
+ *
+ * @return {Object} An object containing the following fields:
+ *
+ *  - `protocols` (Array): An array with the url protocols (usually it has one element).
+ *  - `protocol` (String): The first protocol, `"ssh"` (if the url is a ssh url) or `"file"`.
+ *  - `port` (null|Number): The domain port.
+ *  - `resource` (String): The url domain (including subdomains).
+ *  - `user` (String): The authentication user (usually for ssh urls).
+ *  - `pathname` (String): The url pathname.
+ *  - `hash` (String): The url hash.
+ *  - `search` (String): The url querystring value.
+ *  - `href` (String): The input url.
+ *  - `query` (Object): The url querystring, parsed as object.
+ */
+function parseUrl(url) {
+    var normalize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+    if (typeof url !== "string" || !url.trim()) {
+        throw new Error("Invalid url.");
+    }
+    if (normalize) {
+        if ((typeof normalize === "undefined" ? "undefined" : _typeof(normalize)) !== "object") {
+            normalize = {
+                stripFragment: false
+            };
+        }
+        url = normalizeUrl(url, normalize);
+    }
+    var parsed = parsePath(url);
+    return parsed;
+}
+
+module.exports = parseUrl;
+
+/***/ }),
+
+/***/ 835:
+/***/ (function(module) {
+
+module.exports = require("url");
+
+/***/ }),
+
 /***/ 982:
 /***/ (function(__unusedmodule, exports, __webpack_require__) {
 

package.json

@@ -27,9 +27,11 @@
   "dependencies": {
     "@actions/core": "^1.2.4",
     "@actions/exec": "^1.0.4",
-    "@actions/tool-cache": "^1.5.5"
+    "@actions/tool-cache": "^1.5.5",
+    "git-url-parse": "^11.1.3"
   },
   "devDependencies": {
+    "@types/git-url-parse": "^9.0.0",
     "@types/node": "^14.0.14",
     "@zeit/ncc": "^0.22.3",
     "prettier": "^2.0.5",

src/context.ts

@@ -1,3 +1,4 @@
+import gitUrlParse from 'git-url-parse';
 import * as core from '@actions/core';
 
 export interface Inputs {
@@ -24,7 +25,7 @@ export interface Inputs {
 
 export async function getInputs(): Promise<Inputs> {
   return {
-    context: core.getInput('context') || '.',
+    context: await getBuildContext(),
     file: core.getInput('file') || './Dockerfile',
     buildArgs: await getInputList('build-args'),
     labels: await getInputList('labels'),
@@ -65,6 +66,21 @@ export async function getArgs(inputs: Inputs): Promise<Array<string>> {
   return args;
 }
 
+async function getBuildContext(): Promise<string> {
+  let context: string = core.getInput('context');
+  if (!context) {
+    return '.';
+  }
+  try {
+    const gitURL = gitUrlParse(context);
+    gitURL.token = gitURL.token || process.env['GIT_TOKEN'] || process.env['GITHUB_TOKEN'] || '';
+    gitURL.ref = gitURL.ref || process.env['GIT_REF'] || process.env['GITHUB_REF'] || '';
+    return gitURL.toString();
+  } catch {
+    return context;
+  }
+}
+
 async function getCommonArgs(inputs: Inputs): Promise<Array<string>> {
   let args: Array<string> = [];
   if (inputs.noCache) {

yarn.lock

@@ -38,6 +38,11 @@
     semver "^6.1.0"
     uuid "^3.3.2"
 
+"@types/git-url-parse@^9.0.0":
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/@types/git-url-parse/-/git-url-parse-9.0.0.tgz#aac1315a44fa4ed5a52c3820f6c3c2fb79cbd12d"
+  integrity sha512-kA2RxBT/r/ZuDDKwMl+vFWn1Z0lfm1/Ik6Qb91wnSzyzCDa/fkM8gIOq6ruB7xfr37n6Mj5dyivileUVKsidlg==
+
 "@types/node@^14.0.14":
   version "14.0.27"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-14.0.27.tgz#a151873af5a5e851b51b3b065c9e63390a9e0eb1"
@@ -68,6 +73,28 @@ editorconfig@^0.15.0:
     semver "^5.6.0"
     sigmund "^1.0.1"
 
+git-up@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/git-up/-/git-up-4.0.2.tgz#10c3d731051b366dc19d3df454bfca3f77913a7c"
+  integrity sha512-kbuvus1dWQB2sSW4cbfTeGpCMd8ge9jx9RKnhXhuJ7tnvT+NIrTVfYZxjtflZddQYcmdOTlkAcjmx7bor+15AQ==
+  dependencies:
+    is-ssh "^1.3.0"
+    parse-url "^5.0.0"
+
+git-url-parse@^11.1.3:
+  version "11.1.3"
+  resolved "https://registry.yarnpkg.com/git-url-parse/-/git-url-parse-11.1.3.tgz#03625b6fc09905e9ad1da7bb2b84be1bf9123143"
+  integrity sha512-GPsfwticcu52WQ+eHp0IYkAyaOASgYdtsQDIt4rUp6GbiNt1P9ddrh3O0kQB0eD4UJZszVqNT3+9Zwcg40fywA==
+  dependencies:
+    git-up "^4.0.0"
+
+is-ssh@^1.3.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/is-ssh/-/is-ssh-1.3.2.tgz#a4b82ab63d73976fd8263cceee27f99a88bdae2b"
+  integrity sha512-elEw0/0c2UscLrNG+OAorbP539E3rhliKPg+hDMWN9VwrDXfYK+4PBEykDPfxlYYtQvl84TascnQyobfQLHEhQ==
+  dependencies:
+    protocols "^1.1.0"
+
 lru-cache@^4.1.5:
   version "4.1.5"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.5.tgz#8bbe50ea85bed59bc9e33dcab8235ee9bcf443cd"
@@ -76,11 +103,39 @@ lru-cache@^4.1.5:
     pseudomap "^1.0.2"
     yallist "^2.1.2"
 
+normalize-url@^3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-3.3.0.tgz#b2e1c4dc4f7c6d57743df733a4f5978d18650559"
+  integrity sha512-U+JJi7duF1o+u2pynbp2zXDW2/PADgC30f0GsHZtRh+HOcXHnw137TrNlyxxRvWW5fjKd3bcLHPxofWuCjaeZg==
+
+parse-path@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/parse-path/-/parse-path-4.0.2.tgz#ef14f0d3d77bae8dd4bc66563a4c151aac9e65aa"
+  integrity sha512-HSqVz6iuXSiL8C1ku5Gl1Z5cwDd9Wo0q8CoffdAghP6bz8pJa1tcMC+m4N+z6VAS8QdksnIGq1TB6EgR4vPR6w==
+  dependencies:
+    is-ssh "^1.3.0"
+    protocols "^1.4.0"
+
+parse-url@^5.0.0:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/parse-url/-/parse-url-5.0.2.tgz#856a3be1fcdf78dc93fc8b3791f169072d898b59"
+  integrity sha512-Czj+GIit4cdWtxo3ISZCvLiUjErSo0iI3wJ+q9Oi3QuMYTI6OZu+7cewMWZ+C1YAnKhYTk6/TLuhIgCypLthPA==
+  dependencies:
+    is-ssh "^1.3.0"
+    normalize-url "^3.3.0"
+    parse-path "^4.0.0"
+    protocols "^1.4.0"
+
 prettier@^2.0.5:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.0.5.tgz#d6d56282455243f2f92cc1716692c08aa31522d4"
   integrity sha512-7PtVymN48hGcO4fGjybyBSIWDsLU4H4XlvOHfq91pz9kkGlonzwTfYkaIEwiRg/dAJF9YlbsduBAgtYLi+8cFg==
 
+protocols@^1.1.0, protocols@^1.4.0:
+  version "1.4.8"
+  resolved "https://registry.yarnpkg.com/protocols/-/protocols-1.4.8.tgz#48eea2d8f58d9644a4a32caae5d5db290a075ce8"
+  integrity sha512-IgjKyaUSjsROSO8/D49Ab7hP8mJgTYcqApOqdPhLoPxAplXmkp+zRvsrSQjFn5by0rhm4VH0GAUELIPpx7B1yg==
+
 pseudomap@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"