Merge pull request #28 from b4b4r07/feature/http-templates

Author: b4b4r07

docs/configuration/package/http.md

@@ -39,6 +39,42 @@ string | (required)
 
 Specify a URL that a command or plugin you want to install are hosted.
 
+In this field, you can use template variables:
+
+=== "Case 1"
+
+    ```yaml hl_lines="4 5 6 7"
+    http:
+    - name: gcping
+      description: Like gcping.com but a command line tool
+      url: 'https://storage.googleapis.com/gcping-release/{{ .Name }}_{{ .OS }}_{{ .Arch }}_latest'
+      templates:
+        replacements:
+          darwin: darwin # can replace "darwin" as you like!
+      command:
+        link:
+        - from: gcping_*
+          to: gcping
+    ```
+
+Key | Description
+---|---
+`.Name` | Same as `.name` (Package name)
+`.OS` | [GOOS](https://go.dev/doc/install/source#environment)[^1] (e.g. `darwin` etc)
+`.Arch` | [GOARCH](https://go.dev/doc/install/source#environment)[^1] (e.g. `amd64` etc)
+
+[^1]: This can be overwritten by `templates.replacements`.
+
+### templates.replacements
+
+Type | Default
+---|---
+list | `[]`
+
+In `.url` field, the template variables can be used. Also you can replace it with your own values. For more details, see also below page.
+
+See [GitHub#release.asset.replacements](github.md#releaseassetreplacements)
+
 ### depends-on
 
 See [GitHub#depends-on](github.md#depends-on) page. Same as that.

pkg/config/http.go

@@ -2,6 +2,7 @@ package config
 
 import (
 	"context"
+	"fmt"
 	"io"
 	"io/ioutil"
 	"log"
@@ -10,8 +11,10 @@ import (
 	"os"
 	"path/filepath"
 
+	"github.com/b4b4r07/afx/pkg/data"
 	"github.com/b4b4r07/afx/pkg/errors"
 	"github.com/b4b4r07/afx/pkg/state"
+	"github.com/b4b4r07/afx/pkg/templates"
 	"github.com/h2non/filetype"
 	"github.com/mholt/archiver"
 )
@@ -26,7 +29,12 @@ type HTTP struct {
 	Plugin  *Plugin  `yaml:"plugin"`
 	Command *Command `yaml:"command"`
 
-	DependsOn []string `yaml:"depends-on"`
+	DependsOn []string  `yaml:"depends-on"`
+	Templates Templates `yaml:"templates"`
+}
+
+type Templates struct {
+	Replacements map[string]string `yaml:"replacements"`
 }
 
 // Init is
@@ -55,6 +63,16 @@ func (c HTTP) call(ctx context.Context) error {
 	}
 	defer resp.Body.Close()
 
+	log.Printf("[DEBUG] response code: %d", resp.StatusCode)
+	switch resp.StatusCode {
+	case 200, 301, 302:
+		// go
+	case 404:
+		return fmt.Errorf("%s: %d Not Found in %s", c.GetName(), resp.StatusCode, c.URL)
+	default:
+		return fmt.Errorf("%s: %d %s", c.GetName(), resp.StatusCode, http.StatusText(resp.StatusCode))
+	}
+
 	os.MkdirAll(c.GetHome(), os.ModePerm)
 	dest := filepath.Join(c.GetHome(), filepath.Base(c.URL))
 	file, err := os.Create(dest)
@@ -84,6 +102,17 @@ func (c HTTP) Install(ctx context.Context, status chan<- Status) error {
 		// Go installing step!
 	}
 
+	url, err := templates.New(data.New(data.WithPackage(c))).
+		Replace(c.Templates.Replacements).
+		Apply(c.URL)
+	if err != nil {
+		return err
+	}
+	if url != c.URL {
+		log.Printf("[DEBUG] %s: templating url %s", c.GetName(), url)
+		c.URL = url
+	}
+
 	ctx, cancel := context.WithCancel(ctx)
 	defer cancel()