refactor: migrate to the official yaml package

The old package is long archived, but the YAML org forked it and will
officially maintain it from now on.

* Old: https://github.com/go-yaml/yaml
* New: https://github.com/yaml/go-yaml

errors/error_taskfile_decode.go

@@ -5,15 +5,12 @@ import (
 	"cmp"
 	"errors"
 	"fmt"
-	"regexp"
 	"strings"
 
 	"github.com/fatih/color"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 )
 
-var typeErrorRegex = regexp.MustCompile(`line \d+: (.*)`)
-
 type (
 	TaskfileDecodeError struct {
 		Message  string
@@ -53,10 +50,10 @@ func (err *TaskfileDecodeError) Error() string {
 			if len(te.Errors) > 1 {
 				fmt.Fprintln(buf, color.RedString("errs:"))
 				for _, message := range te.Errors {
-					fmt.Fprintln(buf, color.RedString("- %s", extractTypeErrorMessage(message)))
+					fmt.Fprintln(buf, color.RedString("- %s", message.Err.Error()))
 				}
 			} else {
-				fmt.Fprintln(buf, color.RedString("err:  %s", extractTypeErrorMessage(te.Errors[0])))
+				fmt.Fprintln(buf, color.RedString("err:  %s", te.Errors[0].Err.Error()))
 			}
 		} else {
 			// Otherwise print the error message normally
@@ -128,11 +125,3 @@ func (err *TaskfileDecodeError) WithFileInfo(location string, snippet string) *T
 	err.Snippet = snippet
 	return err
 }
-
-func extractTypeErrorMessage(message string) string {
-	matches := typeErrorRegex.FindStringSubmatch(message)
-	if len(matches) == 2 {
-		return matches[1]
-	}
-	return message
-}

go.mod

@@ -25,9 +25,9 @@ require (
 	github.com/spf13/pflag v1.0.10
 	github.com/stretchr/testify v1.11.1
 	github.com/zeebo/xxh3 v1.0.2
+	go.yaml.in/yaml/v4 v4.0.0-rc.2
 	golang.org/x/sync v0.17.0
 	golang.org/x/term v0.35.0
-	gopkg.in/yaml.v3 v3.0.1
 	mvdan.cc/sh/moreinterp v0.0.0-20250915182820-b717ad599e17
 	mvdan.cc/sh/v3 v3.12.0
 )
@@ -63,4 +63,5 @@ require (
 	golang.org/x/net v0.39.0 // indirect
 	golang.org/x/sys v0.36.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -121,8 +121,6 @@ github.com/sergi/go-diff v1.3.2-0.20230802210424-5b0b94c5c0d3/go.mod h1:A0bzQcvG
 github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/skeema/knownhosts v1.3.1 h1:X2osQ+RAjK76shCbvhHHHVl3ZlgDm8apHEHFqRjnBY8=
 github.com/skeema/knownhosts v1.3.1/go.mod h1:r7KTdC8l4uxWRyK2TpQZ/1o5HaSzh06ePQNxPwTcfiY=
-github.com/spf13/pflag v1.0.7 h1:vN6T9TfwStFPFM5XzjsvmzZkLuaLX+HS+0SeFLRgU6M=
-github.com/spf13/pflag v1.0.7/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
 github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
@@ -131,8 +129,6 @@ github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.11.0 h1:ib4sjIrwZKxE5u/Japgo/7SJV3PvgjGiRNAvTVGqQl8=
-github.com/stretchr/testify v1.11.0/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/u-root/u-root v0.14.1-0.20250807200646-5e7721023dc7 h1:ax+jBy7xFhh+Ka0IGLmH5mft+YDuqvzEjSgWuAP0nsM=
@@ -145,6 +141,8 @@ github.com/zeebo/assert v1.3.0 h1:g7C04CbJuIDKNPFHmsk4hwZDO5O+kntRxzaUoNXj+IQ=
 github.com/zeebo/assert v1.3.0/go.mod h1:Pq9JiuJQpG8JLJdtkwrJESF0Foym2/D9XMU5ciN/wJ0=
 github.com/zeebo/xxh3 v1.0.2 h1:xZmwmqxHZA8AI603jOQ0tMqmBr9lPeFwGg6d+xy9DC0=
 github.com/zeebo/xxh3 v1.0.2/go.mod h1:5NWz9Sef7zIDm2JHfFlcQvNekmcEl9ekUZQQKCYaDcA=
+go.yaml.in/yaml/v4 v4.0.0-rc.2 h1:/FrI8D64VSr4HtGIlUtlFMGsm7H7pWTbj6vOLVZcA6s=
+go.yaml.in/yaml/v4 v4.0.0-rc.2/go.mod h1:aZqd9kCMsGL7AuUv/m/PvWLdg5sjJsZ4oHDEnfPPfY0=
 golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.37.0 h1:kJNSjF/Xp7kU0iB2Z+9viTPMW4EqqsrywMXLJOOsXSE=
 golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc=
@@ -153,8 +151,6 @@ golang.org/x/exp v0.0.0-20250305212735-054e65f0b394/go.mod h1:sIifuuw/Yco/y6yb6+
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.39.0 h1:ZCu7HMWDxpXpaiKdhzIfaltL9Lp31x/3fCP11bc6/fY=
 golang.org/x/net v0.39.0/go.mod h1:X7NRbYVEA+ewNkCNyJ513WmMdQ3BineSwVtN2zD/d+E=
-golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
-golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
 golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
 golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -166,13 +162,9 @@ golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=
-golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
 golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.34.0 h1:O/2T7POpk0ZZ7MAzMeWFSg6S5IpWd/RXDlM9hgM3DR4=
-golang.org/x/term v0.34.0/go.mod h1:5jC53AEywhIVebHgPVeg0mj8OD3VO9OzclacVrqpaAw=
 golang.org/x/term v0.35.0 h1:bZBVKBudEyhRcajGcNc3jIfWPqV4y/Kt2XcoigOWtDQ=
 golang.org/x/term v0.35.0/go.mod h1:TPGtkTLesOwf2DE8CgVYiZinHAOuy5AYUYT1lENIZnA=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@@ -189,8 +181,6 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-mvdan.cc/sh/moreinterp v0.0.0-20250807215248-5a1a658912aa h1:sRmA9AmA5+9CbK6a7N52q9W9jAeoBy1EJ7cncm+SLxw=
-mvdan.cc/sh/moreinterp v0.0.0-20250807215248-5a1a658912aa/go.mod h1:Of9PCedbLDYT8b3EyiYG64rNnx5nOp27OLCVdDrjJyo=
 mvdan.cc/sh/moreinterp v0.0.0-20250915182820-b717ad599e17 h1:2FU24GcRtL5Idt1KOtmzxU3RiXwirUQQUTV0voIHI2g=
 mvdan.cc/sh/moreinterp v0.0.0-20250915182820-b717ad599e17/go.mod h1:Of9PCedbLDYT8b3EyiYG64rNnx5nOp27OLCVdDrjJyo=
 mvdan.cc/sh/v3 v3.12.0 h1:ejKUR7ONP5bb+UGHGEG/k9V5+pRVIyD+LsZz7o8KHrI=

internal/templater/funcs.go

@@ -9,7 +9,7 @@ import (
 
 	"github.com/davecgh/go-spew/spew"
 	"github.com/google/uuid"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 	"mvdan.cc/sh/v3/shell"
 	"mvdan.cc/sh/v3/syntax"
 

taskfile/ast/cmd.go

@@ -1,7 +1,7 @@
 package ast
 
 import (
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/deepcopy"

taskfile/ast/defer.go

@@ -1,7 +1,7 @@
 package ast
 
 import (
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 )

taskfile/ast/dep.go

@@ -1,7 +1,7 @@
 package ast
 
 import (
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 )

taskfile/ast/for.go

@@ -1,7 +1,7 @@
 package ast
 
 import (
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/deepcopy"

taskfile/ast/glob.go

@@ -1,7 +1,7 @@
 package ast
 
 import (
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 )

taskfile/ast/include.go

@@ -5,7 +5,7 @@ import (
 	"sync"
 
 	"github.com/elliotchance/orderedmap/v3"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/deepcopy"

taskfile/ast/matrix.go

@@ -4,7 +4,7 @@ import (
 	"iter"
 
 	"github.com/elliotchance/orderedmap/v3"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/deepcopy"

taskfile/ast/output.go

@@ -1,7 +1,7 @@
 package ast
 
 import (
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 )

taskfile/ast/platforms.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"strings"
 
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/goext"

taskfile/ast/precondition.go

@@ -3,7 +3,7 @@ package ast
 import (
 	"fmt"
 
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 )

taskfile/ast/precondition_test.go

@@ -5,7 +5,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/taskfile/ast"
 )

taskfile/ast/prompt.go

@@ -1,7 +1,7 @@
 package ast
 
 import (
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 )

taskfile/ast/requires.go

@@ -1,7 +1,7 @@
 package ast
 
 import (
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/deepcopy"

taskfile/ast/task.go

@@ -5,7 +5,7 @@ import (
 	"regexp"
 	"strings"
 
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/deepcopy"

taskfile/ast/taskfile.go

@@ -5,7 +5,7 @@ import (
 	"time"
 
 	"github.com/Masterminds/semver/v3"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 )

taskfile/ast/taskfile_test.go

@@ -5,7 +5,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/taskfile/ast"
 )

taskfile/ast/tasks.go

@@ -8,7 +8,7 @@ import (
 	"sync"
 
 	"github.com/elliotchance/orderedmap/v3"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/filepathext"

taskfile/ast/var.go

@@ -1,7 +1,7 @@
 package ast
 
 import (
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 )

taskfile/ast/vars.go

@@ -5,7 +5,7 @@ import (
 	"sync"
 
 	"github.com/elliotchance/orderedmap/v3"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/deepcopy"
@@ -113,7 +113,7 @@ func (vars *Vars) ToCacheMap() (m map[string]any) {
 			m[k] = v.Value
 		}
 	}
-	return
+	return m
 }
 
 // Merge loops over other and merges it values with the variables in vars. If

taskfile/reader.go

@@ -8,8 +8,8 @@ import (
 	"time"
 
 	"github.com/dominikbraun/graph"
+	"go.yaml.in/yaml/v4"
 	"golang.org/x/sync/errgroup"
-	"gopkg.in/yaml.v3"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/env"

taskrc/reader.go

@@ -3,7 +3,7 @@ package taskrc
 import (
 	"os"
 
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v4"
 
 	"github.com/go-task/task/v3/taskrc/ast"
 )