refactor: drop pgk/errors package (#173)

go.mod

@@ -5,7 +5,6 @@ go 1.21
 require (
 	github.com/drone-plugins/drone-plugin-lib v0.4.1
 	github.com/joho/godotenv v1.5.1
-	github.com/pkg/errors v0.9.1
 	github.com/urfave/cli/v2 v2.25.7
 	golang.org/x/sys v0.12.0
 )

go.sum

@@ -7,8 +7,6 @@ github.com/drone-plugins/drone-plugin-lib v0.4.1 h1:47rZlmcMpr1hSp+6Gl+1Z4t+efi/
 github.com/drone-plugins/drone-plugin-lib v0.4.1/go.mod h1:KwCu92jFjHV3xv2hu5Qg/8zBNvGwbhoJDQw/EwnTvoM=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=

plugin/ansible.go

@@ -1,13 +1,13 @@
 package plugin
 
 import (
+	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
 	"strconv"
 	"strings"
 
-	"github.com/pkg/errors"
 	"github.com/urfave/cli/v2"
 	"golang.org/x/sys/execabs"
 )
@@ -31,13 +31,15 @@ const ansibleContent = `
 host_key_checking = False
 `
 
+var ErrAnsiblePlaybookNotFound = errors.New("playbook not found")
+
 func (p *Plugin) ansibleConfig() error {
 	if err := os.MkdirAll(ansibleFolder, os.ModePerm); err != nil {
-		return errors.Wrap(err, "failed to create ansible directory")
+		return fmt.Errorf("failed to create ansible directory: %w", err)
 	}
 
 	if err := os.WriteFile(ansibleConfig, []byte(ansibleContent), strictFilePerm); err != nil {
-		return errors.Wrap(err, "failed to create ansible config")
+		return fmt.Errorf("failed to create ansible config: %w", err)
 	}
 
 	return nil
@@ -46,15 +48,15 @@ func (p *Plugin) ansibleConfig() error {
 func (p *Plugin) privateKey() error {
 	tmpfile, err := os.CreateTemp("", "privateKey")
 	if err != nil {
-		return errors.Wrap(err, "failed to create private key file")
+		return fmt.Errorf("failed to create private key file: %w", err)
 	}
 
 	if _, err := tmpfile.Write([]byte(p.settings.PrivateKey)); err != nil {
-		return errors.Wrap(err, "failed to write private key file")
+		return fmt.Errorf("failed to write private key file: %w", err)
 	}
 
 	if err := tmpfile.Close(); err != nil {
-		return errors.Wrap(err, "failed to close private key file")
+		return fmt.Errorf("failed to close private key file: %w", err)
 	}
 
 	p.settings.PrivateKeyFile = tmpfile.Name()
@@ -65,15 +67,15 @@ func (p *Plugin) privateKey() error {
 func (p *Plugin) vaultPass() error {
 	tmpfile, err := os.CreateTemp("", "vaultPass")
 	if err != nil {
-		return errors.Wrap(err, "failed to create vault password file")
+		return fmt.Errorf("failed to create vault password file: %w", err)
 	}
 
 	if _, err := tmpfile.Write([]byte(p.settings.VaultPassword)); err != nil {
-		return errors.Wrap(err, "failed to write vault password file")
+		return fmt.Errorf("failed to write vault password file: %w", err)
 	}
 
 	if err := tmpfile.Close(); err != nil {
-		return errors.Wrap(err, "failed to close vault password file")
+		return fmt.Errorf("failed to close vault password file: %w", err)
 	}
 
 	p.settings.VaultPasswordFile = tmpfile.Name()
@@ -96,7 +98,7 @@ func (p *Plugin) playbooks() error {
 	}
 
 	if len(playbooks) == 0 {
-		return errors.New("failed to find playbook files")
+		return ErrAnsiblePlaybookNotFound
 	}
 
 	p.settings.Playbooks = *cli.NewStringSlice(playbooks...)

plugin/impl.go

@@ -1,9 +1,9 @@
 package plugin
 
 import (
+	"errors"
 	"os"
 
-	"github.com/pkg/errors"
 	"github.com/urfave/cli/v2"
 	"golang.org/x/sys/execabs"
 )
@@ -47,14 +47,19 @@ type Settings struct {
 	BecomeUser        string
 }
 
+var (
+	ErrPluginPlaybookNotSet  = errors.New("playbook is required")
+	ErrPluginInventoryNotSet = errors.New("inventory is required")
+)
+
 // Validate handles the settings validation of the plugin.
 func (p *Plugin) Validate() error {
 	if len(p.settings.Playbooks.Value()) == 0 {
-		return errors.New("you must provide a playbook")
+		return ErrPluginPlaybookNotSet
 	}
 
 	if len(p.settings.Inventories.Value()) == 0 {
-		return errors.New("you must provide an inventory")
+		return ErrPluginInventoryNotSet
 	}
 
 	return nil