feat: allow command aliases

.github/workflows/wc-integration-test.yaml

@@ -39,6 +39,13 @@ jobs:
         run: aqua -c aqua.yaml g -i kubernetes-sigs/kustomize
         working-directory: tests/main
 
+      - name: Test command aliases
+        run: aqua i -l
+        working-directory: tests/aliases
+      - name: Test command aliases
+        run: terraform-013 version
+        working-directory: tests/aliases
+
       - run: aqua list
       - run: aqua list -installed
       - run: aqua list -installed -a

json-schema/aqua-yaml.json

@@ -18,6 +18,25 @@
       "additionalProperties": false,
       "type": "object"
     },
+    "CommandAlias": {
+      "properties": {
+        "command": {
+          "type": "string"
+        },
+        "alias": {
+          "type": "string"
+        },
+        "no_link": {
+          "type": "boolean"
+        }
+      },
+      "additionalProperties": false,
+      "type": "object",
+      "required": [
+        "command",
+        "alias"
+      ]
+    },
     "Config": {
       "properties": {
         "packages": {
@@ -80,6 +99,12 @@
         },
         "vars": {
           "type": "object"
+        },
+        "command_aliases": {
+          "items": {
+            "$ref": "#/$defs/CommandAlias"
+          },
+          "type": "array"
         }
       },
       "additionalProperties": false,

pkg/config/aqua/config.go

@@ -7,17 +7,24 @@ import (
 )
 
 type Package struct {
-	Name          string         `validate:"required" json:"name,omitempty"`
-	Registry      string         `validate:"required" yaml:",omitempty" json:"registry,omitempty" jsonschema:"description=Registry name,example=foo,example=local,default=standard"`
-	Version       string         `validate:"required" yaml:",omitempty" json:"version,omitempty"`
-	Import        string         `yaml:",omitempty" json:"import,omitempty"`
-	Tags          []string       `yaml:",omitempty" json:"tags,omitempty"`
-	Description   string         `yaml:",omitempty" json:"description,omitempty"`
-	Link          string         `yaml:",omitempty" json:"link,omitempty"`
-	Update        *Update        `yaml:",omitempty" json:"update,omitempty"`
-	FilePath      string         `json:"-" yaml:"-"`
-	GoVersionFile string         `json:"go_version_file,omitempty" yaml:"go_version_file,omitempty"`
-	Vars          map[string]any `json:"vars,omitempty" yaml:",omitempty"`
+	Name           string          `validate:"required" json:"name,omitempty"`
+	Registry       string          `validate:"required" yaml:",omitempty" json:"registry,omitempty" jsonschema:"description=Registry name,example=foo,example=local,default=standard"`
+	Version        string          `validate:"required" yaml:",omitempty" json:"version,omitempty"`
+	Import         string          `yaml:",omitempty" json:"import,omitempty"`
+	Tags           []string        `yaml:",omitempty" json:"tags,omitempty"`
+	Description    string          `yaml:",omitempty" json:"description,omitempty"`
+	Link           string          `yaml:",omitempty" json:"link,omitempty"`
+	Update         *Update         `yaml:",omitempty" json:"update,omitempty"`
+	FilePath       string          `json:"-" yaml:"-"`
+	GoVersionFile  string          `json:"go_version_file,omitempty" yaml:"go_version_file,omitempty"`
+	Vars           map[string]any  `json:"vars,omitempty" yaml:",omitempty"`
+	CommandAliases []*CommandAlias `json:"command_aliases,omitempty" yaml:"command_aliases,omitempty"`
+}
+
+type CommandAlias struct {
+	Command string `validate:"required" json:"command"`
+	Alias   string `validate:"required" json:"alias"`
+	NoLink  bool   `yaml:"no_link,omitempty" json:"no_link,omitempty"`
 }
 
 type Update struct {

pkg/controller/cp/controller.go

@@ -133,7 +133,7 @@ func (c *Controller) installAndCopy(ctx context.Context, logE *logrus.Entry, par
 		}
 	}
 
-	if err := c.copy(logE, param, findResult, exeName); err != nil {
+	if err := c.copy(logE, param, findResult.ExePath, exeName); err != nil {
 		return err
 	}
 	return nil

pkg/controller/cp/copy.go

@@ -5,11 +5,10 @@ import (
 	"path/filepath"
 
 	"github.com/aquaproj/aqua/v2/pkg/config"
-	"github.com/aquaproj/aqua/v2/pkg/controller/which"
 	"github.com/sirupsen/logrus"
 )
 
-func (c *Controller) copy(logE *logrus.Entry, param *config.Param, findResult *which.FindResult, exeName string) error {
+func (c *Controller) copy(logE *logrus.Entry, param *config.Param, exePath string, exeName string) error {
 	p := filepath.Join(param.Dest, exeName)
 	if c.runtime.GOOS == "windows" && filepath.Ext(exeName) == "" {
 		p += ".exe"
@@ -18,7 +17,7 @@ func (c *Controller) copy(logE *logrus.Entry, param *config.Param, findResult *w
 		"exe_name": exeName,
 		"dest":     p,
 	}).Info("coping a file")
-	if err := c.packageInstaller.Copy(p, findResult.ExePath); err != nil {
+	if err := c.packageInstaller.Copy(p, exePath); err != nil {
 		return fmt.Errorf("copy a file: %w", err)
 	}
 	return nil

pkg/controller/which/which.go

@@ -157,25 +157,45 @@ func (c *Controller) findExecFileFromPkg(logE *logrus.Entry, registries map[stri
 	}
 
 	for _, file := range pkgInfo.GetFiles() {
-		if file.Name == exeName {
-			findResult := &FindResult{
-				Package: &config.Package{
-					Package:     pkg,
-					PackageInfo: pkgInfo,
-				},
-				File: file,
-			}
-			if err := findResult.Package.ApplyVars(); err != nil {
-				return nil, fmt.Errorf("apply package variables: %w", err)
-			}
-			exePath, err := c.getExePath(findResult)
-			if err != nil {
-				logE.WithError(err).Error("get the execution file path")
-				return nil, nil //nolint:nilnil
-			}
-			findResult.ExePath = exePath
+		findResult, err := c.findExecFileFromFile(logE, exeName, pkg, pkgInfo, file)
+		if err != nil {
+			return nil, err
+		}
+		if findResult != nil {
 			return findResult, nil
 		}
 	}
 	return nil, nil //nolint:nilnil
 }
+
+func (c *Controller) findExecFileFromFile(logE *logrus.Entry, exeName string, pkg *aqua.Package, pkgInfo *registry.PackageInfo, file *registry.File) (*FindResult, error) {
+	cmds := map[string]struct{}{
+		file.Name: {},
+	}
+	for _, alias := range pkg.CommandAliases {
+		if file.Name != alias.Command {
+			continue
+		}
+		cmds[alias.Alias] = struct{}{}
+	}
+	if _, ok := cmds[exeName]; !ok {
+		return nil, nil //nolint:nilnil
+	}
+	findResult := &FindResult{
+		Package: &config.Package{
+			Package:     pkg,
+			PackageInfo: pkgInfo,
+		},
+		File: file,
+	}
+	if err := findResult.Package.ApplyVars(); err != nil {
+		return nil, fmt.Errorf("apply package variables: %w", err)
+	}
+	exePath, err := c.getExePath(findResult)
+	if err != nil {
+		logE.WithError(err).Error("get the execution file path")
+		return nil, nil //nolint:nilnil
+	}
+	findResult.ExePath = exePath
+	return findResult, nil
+}

pkg/installpackage/check_file.go

@@ -59,10 +59,19 @@ func (is *Installer) checkAndCopyFile(ctx context.Context, logE *logrus.Entry, p
 		return nil
 	}
 	logE.Info("copying an executable file")
-	if err := is.Copy(filepath.Join(is.copyDir, file.Name), exePath); err != nil {
-		return err
+	exeNames := map[string]struct{}{
+		file.Name: {},
+	}
+	for _, alias := range pkg.Package.CommandAliases {
+		if alias.Command == file.Name {
+			exeNames[alias.Alias] = struct{}{}
+		}
+	}
+	for exeName := range exeNames {
+		if err := is.Copy(filepath.Join(is.copyDir, exeName), exePath); err != nil {
+			return err
+		}
 	}
-
 	return nil
 }
 

pkg/installpackage/link.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 
 	"github.com/aquaproj/aqua/v2/pkg/config"
+	"github.com/aquaproj/aqua/v2/pkg/config/registry"
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/afero"
 	"github.com/suzuki-shunsuke/logrus-error/logerr"
@@ -27,40 +28,86 @@ func (is *Installer) createLinks(logE *logrus.Entry, pkgs []*config.Package) boo
 	}
 
 	for _, pkg := range pkgs {
-		pkgInfo := pkg.PackageInfo
-		for _, file := range pkgInfo.GetFiles() {
-			if is.realRuntime.IsWindows() {
-				hardLink := filepath.Join(is.rootDir, "bin", file.Name+".exe")
-				if f, err := afero.Exists(is.fs, hardLink); err != nil {
-					logerr.WithError(logE, err).WithFields(logrus.Fields{
-						"command": file.Name,
-					}).Error("check if a hard link to aqua-proxy exists")
-					failed = true
-					continue
-				} else if f {
-					continue
-				}
-				logE.WithFields(logrus.Fields{
-					"command": file.Name,
-				}).Info("creating a hard link to aqua-proxy")
-				if err := is.linker.Hardlink(aquaProxyPathOnWindows, hardLink); err != nil {
-					logerr.WithError(logE, err).WithFields(logrus.Fields{
-						"command": file.Name,
-					}).Error("create a hard link to aqua-proxy")
-					failed = true
-				}
-				continue
-			}
-			if err := is.createLink(logE, filepath.Join(is.rootDir, "bin", file.Name), filepath.Join("..", proxyName)); err != nil {
-				logerr.WithError(logE, err).Error("create the symbolic link")
-				failed = true
-				continue
-			}
+		logE := logE.WithFields(logrus.Fields{
+			"package_name":    pkg.Package.Name,
+			"package_version": pkg.Package.Version,
+		})
+		if is.createPackageLinks(logE, pkg, aquaProxyPathOnWindows) {
+			failed = true
+		}
+	}
+	return failed
+}
+
+func (is *Installer) createPackageLinks(logE *logrus.Entry, pkg *config.Package, aquaProxyPathOnWindows string) bool {
+	failed := false
+	pkgInfo := pkg.PackageInfo
+	for _, file := range pkgInfo.GetFiles() {
+		logE := logE.WithFields(logrus.Fields{
+			"command": file.Name,
+		})
+		if is.createFileLinks(logE, pkg, file, aquaProxyPathOnWindows) {
+			failed = true
 		}
 	}
 	return failed
 }
 
+func (is *Installer) createFileLinks(logE *logrus.Entry, pkg *config.Package, file *registry.File, aquaProxyPathOnWindows string) bool {
+	failed := false
+	cmds := map[string]struct{}{
+		file.Name: {},
+	}
+	for _, alias := range pkg.Package.CommandAliases {
+		if file.Name != alias.Command {
+			continue
+		}
+		if alias.NoLink {
+			continue
+		}
+		cmds[alias.Alias] = struct{}{}
+	}
+	for cmd := range cmds {
+		if err := is.createCmdLink(logE, file, cmd, aquaProxyPathOnWindows); err != nil {
+			logerr.WithError(logE, err).Error("create a link to aqua-proxy")
+			failed = true
+		}
+	}
+	return failed
+}
+
+func (is *Installer) createCmdLink(logE *logrus.Entry, file *registry.File, cmd string, aquaProxyPathOnWindows string) error {
+	if cmd != file.Name {
+		logE = logE.WithFields(logrus.Fields{
+			"command_alias": cmd,
+		})
+	}
+	if is.realRuntime.IsWindows() {
+		if err := is.createHardLink(logE, cmd, aquaProxyPathOnWindows); err != nil {
+			return fmt.Errorf("create a hard link to aqua-proxy: %w", err)
+		}
+		return nil
+	}
+	if err := is.createLink(logE, filepath.Join(is.rootDir, "bin", cmd), filepath.Join("..", proxyName)); err != nil {
+		return fmt.Errorf("create a symbolic link: %w", err)
+	}
+	return nil
+}
+
+func (is *Installer) createHardLink(logE *logrus.Entry, cmd string, aquaProxyPathOnWindows string) error {
+	hardLink := filepath.Join(is.rootDir, "bin", cmd+".exe")
+	if f, err := afero.Exists(is.fs, hardLink); err != nil {
+		return fmt.Errorf("check if a hard link to aqua-proxy exists: %w", err)
+	} else if f {
+		return nil
+	}
+	logE.Info("creating a hard link to aqua-proxy")
+	if err := is.linker.Hardlink(aquaProxyPathOnWindows, hardLink); err != nil {
+		return fmt.Errorf("create a hard link to aqua-proxy: %w", err)
+	}
+	return nil
+}
+
 func (is *Installer) recreateHardLinks() error {
 	binDir := filepath.Join(is.rootDir, "bin")
 	infos, err := afero.ReadDir(is.fs, binDir)
@@ -116,9 +163,7 @@ func (is *Installer) createLink(logE *logrus.Entry, linkPath, linkDest string) e
 			return fmt.Errorf("unexpected file mode %s: %s", linkPath, mode.String())
 		}
 	}
-	logE.WithFields(logrus.Fields{
-		"command": filepath.Base(linkPath),
-	}).Info("create a symbolic link")
+	logE.Info("create a symbolic link")
 	if err := is.linker.Symlink(linkDest, linkPath); err != nil {
 		return fmt.Errorf("create a symbolic link: %w", err)
 	}

tests/aliases/aqua.yaml

@@ -0,0 +1,19 @@
+---
+# aqua - Declarative CLI Version Manager
+# https://aquaproj.github.io/
+# checksum:
+#   enabled: true
+#   require_checksum: true
+#   supported_envs:
+#   - all
+registries:
+- type: standard
+  ref: v4.246.0 # renovate: depName=aquaproj/aqua-registry
+packages:
+- name: hashicorp/[email protected]
+- name: hashicorp/terraform
+  version: v0.13.7
+  command_aliases:
+    - command: terraform
+      alias: terraform-013
+      # no_link: true