From 01d4c8f593c81561fd1a15f836cb1e75020b6dc9 Mon Sep 17 00:00:00 2001
From: Vladimir Sitnikov <sitnikov.vladimir@gmail.com>
Date: Tue, 11 Aug 2020 17:13:20 +0300
Subject: [PATCH] =?UTF-8?q?=F0=9F=A5=85=20Ignore=20unreadable=20files=20wh?=
 =?UTF-8?q?en=20hasing=20(and=20print=20warning)?=
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---
 .../kotlin/com/github/burrunan/gradle/hashFiles.kt  | 13 ++++++++++---
 .../github/burrunan/gradle/hashing/HashDetails.kt   | 10 ++++++++--
 2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/layered-cache/src/main/kotlin/com/github/burrunan/gradle/hashFiles.kt b/layered-cache/src/main/kotlin/com/github/burrunan/gradle/hashFiles.kt
index 60afbcb..53b0859 100644
--- a/layered-cache/src/main/kotlin/com/github/burrunan/gradle/hashFiles.kt
+++ b/layered-cache/src/main/kotlin/com/github/burrunan/gradle/hashFiles.kt
@@ -15,6 +15,7 @@
  */
 package com.github.burrunan.gradle
 
+import actions.core.warning
 import crypto.createHash
 import actions.glob.create
 import com.github.burrunan.wrappers.nodejs.pipe
@@ -55,11 +56,17 @@ suspend fun hashFiles(vararg paths: String, algorithm: String = "sha1"): HashRes
         numFiles += 1
         totalBytes += statSync.size.toInt()
         // Add filename
-        hash.update(key, "utf8")
 
-        fs.createReadStream(name).use {
-            it.pipe(hash, end = false)
+        try {
+            fs.createReadStream(name).use {
+                it.pipe(hash, end = false)
+            }
+        } catch (e: Throwable) {
+            warning("Unable to hash $name, will ignore the file: ${e.stackTraceToString()}")
+            continue
         }
+
+        hash.update(key, "utf8")
     }
     hash.end()
     HashResult(
diff --git a/layered-cache/src/main/kotlin/com/github/burrunan/gradle/hashing/HashDetails.kt b/layered-cache/src/main/kotlin/com/github/burrunan/gradle/hashing/HashDetails.kt
index fc67b9c..4e998f0 100644
--- a/layered-cache/src/main/kotlin/com/github/burrunan/gradle/hashing/HashDetails.kt
+++ b/layered-cache/src/main/kotlin/com/github/burrunan/gradle/hashing/HashDetails.kt
@@ -15,6 +15,7 @@
  */
 package com.github.burrunan.gradle.hashing
 
+import actions.core.warning
 import crypto.createHash
 import fs.createReadStream
 import fs2.promises.stat
@@ -92,8 +93,13 @@ suspend fun hashFilesDetailed(vararg paths: String, algorithm: String = "sha1"):
                 key.substringAfterLast('/')
             else -> {
                 val hash = createHash(algorithm)
-                createReadStream(name).use {
-                    it.pipe(hash)
+                try {
+                    createReadStream(name).use {
+                        it.pipe(hash)
+                    }
+                } catch (e: Throwable) {
+                    warning("Unable to hash $name, will ignore the file: ${e.stackTraceToString()}")
+                    continue
                 }
                 hash.digest().toString("hex")
             }