V2 Upload Artifact (#70)

* V2 Preview (#54)

* V2 Upload Artifact

* Improve logs

* Update release

* Update test.yml

* Update test.yml

* Update test.yml

* @actions/artifact v0.2.0 package

* Add extra YAML test

* Extra Documentation

* Update README.md

* Update README.md

* Update NPM packages

* Update to @actions/artifact 0.3.1

* Update readme from v2 preview to v2

* Add .gitattributes

* Misc Updates

* macOS to macos

* Update YAML so only push events trigger on the master branch

src/search.ts

@@ -0,0 +1,69 @@
+import * as glob from '@actions/glob'
+import {debug} from '@actions/core'
+import {lstatSync} from 'fs'
+import {dirname} from 'path'
+
+export interface SearchResult {
+  filesToUpload: string[]
+  rootDirectory: string
+}
+
+function getDefaultGlobOptions(): glob.GlobOptions {
+  return {
+    followSymbolicLinks: true,
+    implicitDescendants: true,
+    omitBrokenSymbolicLinks: true
+  }
+}
+
+export async function findFilesToUpload(
+  searchPath: string,
+  globOptions?: glob.GlobOptions
+): Promise<SearchResult> {
+  const searchResults: string[] = []
+  const globber = await glob.create(
+    searchPath,
+    globOptions || getDefaultGlobOptions()
+  )
+  const rawSearchResults: string[] = await globber.glob()
+
+  /*
+    Directories will be rejected if attempted to be uploaded. This includes just empty
+    directories so filter any directories out from the raw search results
+  */
+  for (const searchResult of rawSearchResults) {
+    if (!lstatSync(searchResult).isDirectory()) {
+      debug(`File:${searchResult} was found using the provided searchPath`)
+      searchResults.push(searchResult)
+    } else {
+      debug(
+        `Removing ${searchResult} from rawSearchResults because it is a directory`
+      )
+    }
+  }
+
+  /*
+    Only a single search pattern is being included so only 1 searchResult is expected. In the future if multiple search patterns are
+    simultaneously supported this will change
+  */
+  const searchPaths: string[] = globber.getSearchPaths()
+  if (searchPaths.length > 1) {
+    throw new Error('Only 1 search path should be returned')
+  }
+
+  /*
+    Special case for a single file artifact that is uploaded without a directory or wildcard pattern. The directory structure is
+    not preserved and the root directory will be the single files parent directory
+  */
+  if (searchResults.length === 1 && searchPaths[0] === searchResults[0]) {
+    return {
+      filesToUpload: searchResults,
+      rootDirectory: dirname(searchResults[0])
+    }
+  }
+
+  return {
+    filesToUpload: searchResults,
+    rootDirectory: searchPaths[0]
+  }
+}