feat: Add tests for git-crypt compatibility and fake secrets

.gitattributes

@@ -1 +1,3 @@
 .git* export-ignore
+
+*.test.secrets eol=lf filter=git-crypt  diff=git-crypt

.gitignore

@@ -1,4 +1,5 @@
 *.o
 git-crypt
+git-crypt.exe
 
 .vscode/*

tests/linux/basic-test.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 set -e
-
+REPO_HOME="$PWD"
 # Export the built git-crypt binary to PATH
 export PATH="$PWD:$PATH"
 
@@ -124,3 +124,23 @@ else
 fi
 
 echo "::notice:: ✅ Passed worktree test"
+
+echo "test compatibility with git-crypt 0.7.0..."
+
+# move to original repo
+cd "$REPO_HOME"
+
+# clean git changes
+git reset --hard
+
+git crypt unlock "./tests/key.gitcrypt"
+# check if tests/fake.test.secrets is decrypted
+
+if xxd "./tests/fake.test.secrets" | grep -q 'GITCRYPT'; then
+    echo "fake.test.secrets is encrypted"
+    exit 1
+else
+    echo "fake.test.secrets is decrypted"
+    echo "::notice:: ✅ Passed  0.7.0 compatibility test"
+fi
+

tests/windows/basic-test.ps1

@@ -4,6 +4,7 @@ $ErrorActionPreference = "Stop"
 # Export the built git-crypt.exe to PATH
 $env:PATH = "$PWD;" + $env:PATH
 
+$REPO_HOME = "$PWD"
 # Create a temporary directory for testing
 $TEMP_DIR = [System.IO.Path]::GetTempPath()
 $TEST_DIR = Join-Path ([System.IO.Path]::GetTempPath()) ([System.Guid]::NewGuid().ToString())
@@ -126,8 +127,29 @@ try {
 
     Write-Host "::notice:: ✅ Passed worktree test"
 
+    # Test compatibility with git-crypt 0.7.0
+    Write-Host "Testing compatibility with git-crypt 0.7.0..."
+
+    Push-Location "$REPO_HOME"
+
+    git reset --hard
+
+    git crypt unlock ".\tests\key.gitcrypt"
+
+    # Check if the test file is properly decrypted
+    $testFilePath = ".\tests\fake.test.secrets"
+    $bytes = [System.IO.File]::ReadAllBytes($testFilePath)[0..8]
+    $headerString = [System.Text.Encoding]::ASCII.GetString($bytes)
+
+    if ($headerString -eq "`0GITCRYPT") {
+        Write-Error "fake.test.secrets is still encrypted"
+        exit 1
+    } else {
+        Write-Host "fake.test.secrets is decrypted"
+        Write-Host "::notice:: ✅ Passed 0.7.0 compatibility test"
+    }
+
 } finally {
-    Pop-Location
     Remove-Item -Recurse -Force $TEST_DIR
 }