fix: process all the gitignore files in the root directory

lib/paths-cache.js

@@ -2,6 +2,7 @@
 import { EventEmitter } from "events"
 import minimatch from "minimatch"
 import { Directory, File } from "atom"
+import { dirname } from "path"
 import { union } from "./utils"
 import { globifyPath, globifyDirectory, globifyGitIgnoreFile } from "globify-gitignore"
 import glob from "fast-glob"
@@ -434,18 +435,28 @@ export default class PathsCache extends EventEmitter {
   }
 
   /**
-   * Returns the glob pattern of a gitignore of a directory
-   * @param  {string} directoryPath
+   * Returns the glob pattern of all gitignore files in a directory
+   * @param  {string} rootDirectory
+   * @param {string[]} ignoredPatternsGlob
    * @returns {Promise<Array<string>>} an array of glob patterns
    * @private
    */
-  async _getGitIgnoreGlob(directoryPath) {
+  async _getAllGitIgnoreGlob(rootDirectory, ignoredPatternsGlob) {
     if (this.config.excludeVcsIgnoredPaths) {
-      try {
-        return await globifyGitIgnoreFile(directoryPath)
-      } catch (err) {
-        // .gitignore does not exist for this directory, ignoring
-      }
+      // get gitignore files
+      const gitignoreFiles = await glob(
+        ["**/.gitignore", ...ignoredPatternsGlob],
+        // glob options
+        {
+          dot: true,
+          cwd: rootDirectory,
+          onlyFiles: true,
+          absolute: true,
+        }
+      )
+      return (
+        await Promise.all(gitignoreFiles.map((gitignoreFile) => _getDirectoryGitIgnoreGlob(dirname(gitignoreFile))))
+      ).flat()
     }
     return []
   }
@@ -456,8 +467,8 @@ export default class PathsCache extends EventEmitter {
    * @returns {Promise<string[]>}
    */
   async _getAllIgnoredGlob(directoryPath) {
-    const gitignoreGlob = await this._getGitIgnoreGlob(directoryPath)
     const ignoredPatternsGlob = await this._getIgnoredPatternsGlob(directoryPath)
+    const gitignoreGlob = await this._getAllGitIgnoreGlob(directoryPath, ignoredPatternsGlob)
     return [...gitignoreGlob, ...ignoredPatternsGlob]
   }
 
@@ -558,3 +569,18 @@ export default class PathsCache extends EventEmitter {
     return Promise.all(directories.map((dir) => this._cachePathsForDirectoryWithAtom(projectDirectory, dir)))
   }
 }
+
+/**
+ * Returns the glob pattern of a gitignore of a directory
+ * @param  {string} directoryPath
+ * @returns {Promise<Array<string>>} an array of glob patterns
+ * @private
+ */
+function _getDirectoryGitIgnoreGlob(directoryPath) {
+  try {
+    return globifyGitIgnoreFile(directoryPath)
+  } catch (err) {
+    // .gitignore does not exist for this directory, ignoring
+    return []
+  }
+}