fix(decompress): Handle split RAR archives

CHANGELOG.md

@@ -9,6 +9,7 @@
 ### Bug Fixes
 
 - **chore:** Update help documentation ([#5002](https://github.com/ScoopInstaller/Scoop/issues/5002))
+- **decompress:** Handle splitted RAR archives ([#4994](https://github.com/ScoopInstaller/Scoop/issues/4994))
 - **shortcuts:** Fix network drive shortcut creation ([#4410](https://github.com/ScoopInstaller/Scoop/issues/4410)), ([#5006](https://github.com/ScoopInstaller/Scoop/issues/5006))
 
 ### Code Refactoring

lib/decompress.ps1

@@ -67,6 +67,9 @@ function Expand-7zipArchive {
         if (($Path -replace '.*\.([^\.]*)$', '$1') -eq '001') {
             # Remove splited 7-zip archive parts
             Get-ChildItem "$($Path -replace '\.[^\.]*$', '').???" | Remove-Item -Force
+        } elseif (($Path -replace '.*\.part(\d+)\.rar$', '$1')[-1] -eq '1') {
+            # Remove splitted RAR archive parts
+            Get-ChildItem "$($Path -replace '\.part(\d+)\.rar$', '').part*.rar" | Remove-Item -Force
         } else {
             Remove-Item $Path -Force
         }

test/Scoop-Decompress.Tests.ps1

@@ -22,7 +22,7 @@ Describe 'Decompression function' -Tag 'Scoop', 'Decompress' {
         It 'Decompression test cases should exist' {
             $testcases = "$working_dir\TestCases.zip"
             $testcases | Should -Exist
-            compute_hash $testcases 'sha256' | Should -Be '16507166814dbd02be80c14b737eb6b0245c47439ca3ed308b5625d64babecc8'
+            compute_hash $testcases 'sha256' | Should -Be '791bfce192917a2ff225dcdd87d23ae5f720b20178d85e68e4b1b56139cf8e6a'
             if (!$isUnix) {
                 Microsoft.PowerShell.Archive\Expand-Archive $testcases $working_dir
             }
@@ -44,6 +44,9 @@ Describe 'Decompression function' -Tag 'Scoop', 'Decompress' {
             $test5_1 = "$working_dir\7ZipTest5.7z.001"
             $test5_2 = "$working_dir\7ZipTest5.7z.002"
             $test5_3 = "$working_dir\7ZipTest5.7z.003"
+            $test6_1 = "$working_dir\7ZipTest6.part01.rar"
+            $test6_2 = "$working_dir\7ZipTest6.part02.rar"
+            $test6_3 = "$working_dir\7ZipTest6.part03.rar"
         }
 
         It 'extract normal compressed file' -Skip:$isUnix {
@@ -81,6 +84,13 @@ Describe 'Decompression function' -Tag 'Scoop', 'Decompress' {
             (Get-ChildItem $to).Count | Should -Be 1
         }
 
+        It 'extract splited RAR archives (.part01.rar, .part02.rar, ...)' -Skip:$isUnix {
+            $to = test_extract 'Expand-7zipArchive' $test6_1
+            $to | Should -Exist
+            "$to\dummy" | Should -Exist
+            (Get-ChildItem $to).Count | Should -Be 1
+        }
+
         It 'works with "-Removal" switch ($removal param)' -Skip:$isUnix {
             $test1 | Should -Exist
             test_extract 'Expand-7zipArchive' $test1 $true
@@ -92,6 +102,13 @@ Describe 'Decompression function' -Tag 'Scoop', 'Decompress' {
             $test5_1 | Should -Not -Exist
             $test5_2 | Should -Not -Exist
             $test5_3 | Should -Not -Exist
+            $test6_1 | Should -Exist
+            $test6_2 | Should -Exist
+            $test6_3 | Should -Exist
+            test_extract 'Expand-7zipArchive' $test6_1 $true
+            $test6_1 | Should -Not -Exist
+            $test6_2 | Should -Not -Exist
+            $test6_3 | Should -Not -Exist
         }
     }