fix: Windows CI test failures and path normalization

.gitattributes

@@ -1,2 +1,5 @@
 * text=auto
 *.mdx -linguist-detectable
+
+# Keep LF line endings in testdata for consistent checksums across platforms
+testdata/** text eol=lf

.github/workflows/test.yml

@@ -12,27 +12,19 @@ jobs:
   test:
     name: Test
     strategy:
+      fail-fast: false
       matrix:
         go-version: [1.24.x, 1.25.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{matrix.platform}}
     steps:
+      - name: Check out code
+        uses: actions/checkout@v6
+
       - name: Set up Go ${{matrix.go-version}}
         uses: actions/setup-go@v6
         with:
           go-version: ${{matrix.go-version}}
-        id: go
-
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v6
-
-      - name: Download Go modules
-        run: go mod download
-        env:
-          GOPROXY: https://proxy.golang.org
-
-      - name: Build
-        run: go build -o ./bin/task -v ./cmd/task
 
       - name: Test
-        run: ./bin/task test --output=group --output-group-begin='::group::{{.TASK}}' --output-group-end='::endgroup::'
+        run: go run ./cmd/task test

compiler.go

@@ -198,18 +198,21 @@ func (c *Compiler) ResetCache() {
 }
 
 func (c *Compiler) getSpecialVars(t *ast.Task, call *Call) (map[string]string, error) {
+	// Use filepath.ToSlash for all paths to ensure consistent forward slashes
+	// across platforms. This prevents issues with backslashes being interpreted
+	// as escape sequences when paths are used in shell commands on Windows.
 	allVars := map[string]string{
 		"TASK_EXE":         filepath.ToSlash(os.Args[0]),
-		"ROOT_TASKFILE":    filepathext.SmartJoin(c.Dir, c.Entrypoint),
-		"ROOT_DIR":         c.Dir,
-		"USER_WORKING_DIR": c.UserWorkingDir,
+		"ROOT_TASKFILE":    filepath.ToSlash(filepathext.SmartJoin(c.Dir, c.Entrypoint)),
+		"ROOT_DIR":         filepath.ToSlash(c.Dir),
+		"USER_WORKING_DIR": filepath.ToSlash(c.UserWorkingDir),
 		"TASK_VERSION":     version.GetVersion(),
 	}
 	if t != nil {
 		allVars["TASK"] = t.Task
-		allVars["TASK_DIR"] = filepathext.SmartJoin(c.Dir, t.Dir)
-		allVars["TASKFILE"] = t.Location.Taskfile
-		allVars["TASKFILE_DIR"] = filepath.Dir(t.Location.Taskfile)
+		allVars["TASK_DIR"] = filepath.ToSlash(filepathext.SmartJoin(c.Dir, t.Dir))
+		allVars["TASKFILE"] = filepath.ToSlash(t.Location.Taskfile)
+		allVars["TASKFILE_DIR"] = filepath.ToSlash(filepath.Dir(t.Location.Taskfile))
 	} else {
 		allVars["TASK"] = ""
 		allVars["TASK_DIR"] = ""

errors/errors_taskfile.go

@@ -3,6 +3,7 @@ package errors
 import (
 	"fmt"
 	"net/http"
+	"path/filepath"
 	"time"
 
 	"github.com/Masterminds/semver/v3"
@@ -24,7 +25,7 @@ func (err TaskfileNotFoundError) Error() string {
 	if err.AskInit {
 		walkText += " Run `task --init` to create a new Taskfile."
 	}
-	return fmt.Sprintf(`task: No Taskfile found at %q%s`, err.URI, walkText)
+	return fmt.Sprintf(`task: No Taskfile found at %q%s`, filepath.ToSlash(err.URI), walkText)
 }
 
 func (err TaskfileNotFoundError) Code() int {
@@ -51,7 +52,7 @@ type TaskfileInvalidError struct {
 }
 
 func (err TaskfileInvalidError) Error() string {
-	return fmt.Sprintf("task: Failed to parse %s:\n%v", err.URI, err.Err)
+	return fmt.Sprintf("task: Failed to parse %s:\n%v", filepath.ToSlash(err.URI), err.Err)
 }
 
 func (err TaskfileInvalidError) Code() int {
@@ -70,7 +71,7 @@ func (err TaskfileFetchFailedError) Error() string {
 	if err.HTTPStatusCode != 0 {
 		statusText = fmt.Sprintf(" with status code %d (%s)", err.HTTPStatusCode, http.StatusText(err.HTTPStatusCode))
 	}
-	return fmt.Sprintf(`task: Download of %q failed%s`, err.URI, statusText)
+	return fmt.Sprintf(`task: Download of %q failed%s`, filepath.ToSlash(err.URI), statusText)
 }
 
 func (err TaskfileFetchFailedError) Code() int {
@@ -86,7 +87,7 @@ type TaskfileNotTrustedError struct {
 func (err *TaskfileNotTrustedError) Error() string {
 	return fmt.Sprintf(
 		`task: Taskfile %q not trusted by user`,
-		err.URI,
+		filepath.ToSlash(err.URI),
 	)
 }
 
@@ -103,7 +104,7 @@ type TaskfileNotSecureError struct {
 func (err *TaskfileNotSecureError) Error() string {
 	return fmt.Sprintf(
 		`task: Taskfile %q cannot be downloaded over an insecure connection. You can override this by using the --insecure flag`,
-		err.URI,
+		filepath.ToSlash(err.URI),
 	)
 }
 
@@ -120,7 +121,7 @@ type TaskfileCacheNotFoundError struct {
 func (err *TaskfileCacheNotFoundError) Error() string {
 	return fmt.Sprintf(
 		`task: Taskfile %q was not found in the cache. Remove the --offline flag to use a remote copy or download it using the --download flag`,
-		err.URI,
+		filepath.ToSlash(err.URI),
 	)
 }
 
@@ -141,12 +142,12 @@ func (err *TaskfileVersionCheckError) Error() string {
 	if err.SchemaVersion == nil {
 		return fmt.Sprintf(
 			`task: Missing schema version in Taskfile %q`,
-			err.URI,
+			filepath.ToSlash(err.URI),
 		)
 	}
 	return fmt.Sprintf(
 		"task: Invalid schema version in Taskfile %q:\nSchema version (%s) %s",
-		err.URI,
+		filepath.ToSlash(err.URI),
 		err.SchemaVersion.String(),
 		err.Message,
 	)
@@ -166,7 +167,7 @@ type TaskfileNetworkTimeoutError struct {
 func (err *TaskfileNetworkTimeoutError) Error() string {
 	return fmt.Sprintf(
 		`task: Network connection timed out after %s while attempting to download Taskfile %q`,
-		err.Timeout, err.URI,
+		err.Timeout, filepath.ToSlash(err.URI),
 	)
 }
 
@@ -183,8 +184,8 @@ type TaskfileCycleError struct {
 
 func (err TaskfileCycleError) Error() string {
 	return fmt.Sprintf("task: include cycle detected between %s <--> %s",
-		err.Source,
-		err.Destination,
+		filepath.ToSlash(err.Source),
+		filepath.ToSlash(err.Destination),
 	)
 }
 
@@ -203,7 +204,7 @@ type TaskfileDoesNotMatchChecksum struct {
 func (err *TaskfileDoesNotMatchChecksum) Error() string {
 	return fmt.Sprintf(
 		"task: The checksum of the Taskfile at %q does not match!\ngot: %q\nwant: %q",
-		err.URI,
+		filepath.ToSlash(err.URI),
 		err.ActualChecksum,
 		err.ExpectedChecksum,
 	)

executor_test.go

@@ -165,6 +165,7 @@ func (tt *ExecutorTest) run(t *testing.T) {
 		// Create a golden fixture file for the output
 		g := goldie.New(t,
 			goldie.WithFixtureDir(filepath.Join(e.Dir, "testdata")),
+			goldie.WithEqualFn(NormalizedEqual),
 		)
 
 		// Call setup and check for errors

formatter_test.go

@@ -127,6 +127,7 @@ func (tt *FormatterTest) run(t *testing.T) {
 		// Create a golden fixture file for the output
 		g := goldie.New(t,
 			goldie.WithFixtureDir(filepath.Join(e.Dir, "testdata")),
+			goldie.WithEqualFn(NormalizedEqual),
 		)
 
 		// Call setup and check for errors

internal/fingerprint/glob.go

@@ -2,6 +2,7 @@ package fingerprint
 
 import (
 	"os"
+	"path/filepath"
 	"sort"
 
 	"github.com/go-task/task/v3/internal/execext"
@@ -50,7 +51,8 @@ func collectKeys(m map[string]bool) []string {
 	keys := make([]string, 0, len(m))
 	for k, v := range m {
 		if v {
-			keys = append(keys, k)
+			// Normalize path separators for consistent sorting across platforms
+			keys = append(keys, filepath.ToSlash(k))
 		}
 	}
 	sort.Strings(keys)