.

package-lock.json

@@ -5906,6 +5906,11 @@
       "integrity": "sha512-qcLvDUPf8DSIMWarHT2ptgcqrYg62n3vPA7vhrOF24d8UNzbUBaHu2CySiENR3nEDzYgaN60071t0F6KLYMQ7Q==",
       "dev": true
     },
+    "emitter-component": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/emitter-component/-/emitter-component-1.1.1.tgz",
+      "integrity": "sha512-G+mpdiAySMuB7kesVRLuyvYRqDmshB7ReKEVuyBPkzQlmiDiLrt7hHHIy4Aff552bgknVN7B2/d3lzhGO5dvpQ=="
+    },
     "emittery": {
       "version": "0.8.1",
       "resolved": "https://registry.npmjs.org/emittery/-/emittery-0.8.1.tgz",
@@ -16487,6 +16492,14 @@
         }
       }
     },
+    "stream": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/stream/-/stream-0.0.2.tgz",
+      "integrity": "sha512-gCq3NDI2P35B2n6t76YJuOp7d6cN/C7Rt0577l91wllh0sY9ZBuw9KaSGqH/b0hzn3CWWJbpbW0W0WvQ1H/Q7g==",
+      "requires": {
+        "emitter-component": "^1.1.1"
+      }
+    },
     "string-length": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/string-length/-/string-length-4.0.2.tgz",

package.json

@@ -33,6 +33,7 @@
     "@actions/github": "^2.2.0",
     "@actions/io": "^1.0.1",
     "@actions/tool-cache": "^1.1.2",
+    "stream": "0.0.2",
     "uuid": "^3.3.3"
   },
   "devDependencies": {

src/git-command-manager.ts

@@ -7,6 +7,7 @@ import * as refHelper from './ref-helper'
 import * as regexpHelper from './regexp-helper'
 import * as retryHelper from './retry-helper'
 import {GitVersion} from './git-version'
+import stream, {Writable} from 'stream'
 
 // Auth header not supported before 2.9
 // Wire protocol v2 not supported before 2.18
@@ -91,6 +92,7 @@ class GitCommandManager {
 
   async branchList(remote: boolean): Promise<string[]> {
     const result: string[] = []
+    const stderr: string[] = []
 
     // Note, this implementation uses "rev-parse --symbolic-full-name" because the output from
     // "branch --list" is more difficult when in a detached HEAD state.
@@ -104,7 +106,15 @@ class GitCommandManager {
       args.push('--branches')
     }
 
-    const output = await this.execGit(args)
+    const listeners = {
+      stderr: (data: Buffer) => {
+        stderr.push(data.toString())
+      },
+      errline: (line: string) => {
+        stderr.push(line)
+      }
+    }
+    const output = await this.execGit(args, false, false, listeners)
 
     for (let branch of output.stdout.trim().split('\n')) {
       branch = branch.trim()
@@ -118,7 +128,7 @@ class GitCommandManager {
         result.push(branch)
       }
     }
-
+    core.info(stderr.join('\n'))
     return result
   }
 
@@ -395,7 +405,8 @@ class GitCommandManager {
   private async execGit(
     args: string[],
     allowAllExitCodes = false,
-    silent = false
+    silent = false,
+    customListeners = {}
   ): Promise<GitOutput> {
     fshelper.directoryExistsSync(this.workingDirectory, true)
 
@@ -408,23 +419,45 @@ class GitCommandManager {
     for (const key of Object.keys(this.gitEnv)) {
       env[key] = this.gitEnv[key]
     }
-
+    const defaultListener = {
+      stdout: (data: Buffer) => {
+        stdout.push(data.toString())
+      }
+    }
+    // const listeners = Object.keys(customListeners) < 0 ? customListeners : {stdout: (data: Buffer) => {
+    //   stdout.push(data.toString())
+    // }}
+    const listenersD = {...customListeners, ...defaultListener}
     const stdout: string[] = []
-
+    // let temp = ''
+    // let temp2 = ''
     const options = {
       cwd: this.workingDirectory,
       env,
       silent,
       ignoreReturnCode: allowAllExitCodes,
-      listeners: {
-        stdout: (data: Buffer) => {
-          stdout.push(data.toString())
-        }
-      }
+      listeners: listenersD
+      // ,
+      // errStream: new stream.Writable({
+      //   write(chunk, _, next) {
+      //     temp += chunk.toString()
+      //     next()
+      //   }
+      // }),
+
+      // outStream: new stream.Writable({
+      //   write(chunk, _, next) {
+      //     temp2 += chunk.toString()
+      //     next()
+      //   }
+      // })
     }
 
     result.exitCode = await exec.exec(`"${this.gitPath}"`, args, options)
     result.stdout = stdout.join('')
+    // core.info(temp.length.toString())
+    // core.info(temp2.length.toString())
+    core.info(result.stdout)
     return result
   }