fix(hash): Fix SF hash extraction (#5189)

Author: niheaven

CHANGELOG.md

@@ -3,6 +3,7 @@
 ### Bug Fixes
 
 - **decompress:** Use PS's default 'Expand-Archive()' ([#5185](https://github.com/ScoopInstaller/Scoop/issues/5185))
+- **hash:** Fix SourceForge's hash extraction ([#5189](https://github.com/ScoopInstaller/Scoop/issues/5189))
 
 ### Code Refactoring
 

lib/autoupdate.ps1

@@ -248,7 +248,7 @@ function get_hash_for_app([String] $app, $config, [String] $version, [String] $u
         'sourceforge' {
             # change the URL because downloads.sourceforge.net doesn't have checksums
             $hashfile_url = (strip_filename (strip_fragment "https://sourceforge.net/projects/$($matches['project'])/files/$($matches['file'])")).TrimEnd('/')
-            $hash = find_hash_in_textfile $hashfile_url $substitutions '"$basename":.*?"sha1":\s"([a-fA-F0-9]{40})"'
+            $hash = find_hash_in_textfile $hashfile_url $substitutions '"$basename":.*?"sha1":\s*"([a-fA-F0-9]{40})"'
         }
     }