Initial commit

.editorconfig

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+# http://editorconfig.org
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.gitattributes

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+* text eol=lf
+/vendor

.travis.yml

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+os:
+  - linux
+  - osx
+
+language: go
+
+go:
+  - tip

cmd/main.go

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+package main
+
+import (
+  "os"
+  "fmt"
+
+  "github.com/urfave/cli"
+
+  "github.com/markelog/eclectica/detect"
+)
+
+
+func main() {
+  cli.AppHelpTemplate = `
+Usage: e <name>, <name>@<version>
+
+`
+  if len(os.Args) == 2 {
+    cli.NewApp().Run(os.Args)
+  } else {
+    err := detect.Detect("node")
+
+    if err != nil {
+      fmt.Println(err)
+    }
+  }
+}

detect/detect.go

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+package detect
+
+import (
+  "github.com/markelog/eclectica/download"
+  "github.com/markelog/eclectica/dists/nodejs"
+)
+
+func Detect(dist string) error {
+  var (
+    version map[string]string
+    err error
+  )
+
+  switch {
+    case dist == "node":
+      version, err = nodejs.Latest()
+  }
+
+  if err != nil {
+    return err
+  }
+
+  download.Download(version["url"])
+
+  return nil
+}

dists/nodejs/nodejs.go

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+package nodejs
+
+import (
+  "net/http"
+  "io/ioutil"
+  "regexp"
+  "fmt"
+)
+
+var (
+  client = &http.Client{}
+
+  partLatest = "https://nodejs.org/dist/latest"
+  latest = fmt.Sprintf("%s/SHASUMS256.txt", partLatest)
+)
+
+func info(url string) (file string, err error){
+  response, err := client.Get(latest)
+
+  if err != nil {
+    return "", err
+  }
+
+  defer response.Body.Close()
+  contents, err := ioutil.ReadAll(response.Body)
+
+  if err != nil {
+    return "", err
+  }
+
+  return string(contents), nil
+}
+
+func Latest() (map[string]string, error) {
+  file, err := info(latest)
+  result := make(map[string]string)
+
+  if err != nil {
+    return result, err
+  }
+
+  versionReg := regexp.MustCompile(`node-v(\d+\.\d+\.\d)`)
+
+  version := versionReg.FindStringSubmatch(file)[1]
+  result["version"] = version
+  result["url"] = fmt.Sprintf("%s/node-v%s-darwin-x64.tar.gz", partLatest, version)
+
+  return result, nil
+}

download/download.go

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+package download
+
+import (
+    "fmt"
+    "github.com/cavaliercoder/grab"
+    "os"
+    "time"
+)
+
+func Download(url string) {
+  // start file download
+  fmt.Printf("Downloading %s...\n", url)
+  respch, err := grab.GetAsync(".", url)
+  if err != nil {
+      fmt.Fprintf(os.Stderr, "Error downloading %s: %v\n", url, err)
+      os.Exit(1)
+  }
+
+  // block until HTTP/1.1 GET response is received
+  fmt.Printf("Initializing download...\n")
+  resp := <-respch
+
+  // print progress until transfer is complete
+  for !resp.IsComplete() {
+      fmt.Printf("\033[1AProgress %d / %d bytes (%d%%)\033[K\n", resp.BytesTransferred(), resp.Size, int(100*resp.Progress()))
+      time.Sleep(200 * time.Millisecond)
+  }
+
+  // clear progress line
+  fmt.Printf("\033[1A\033[K")
+
+  // check for errors
+  if resp.Error != nil {
+      fmt.Fprintf(os.Stderr, "Error downloading %s: %v\n", url, resp.Error)
+      os.Exit(1)
+  }
+
+  fmt.Printf("Successfully downloaded to ./%s\n", resp.Filename)
+}

license

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+The MIT License (MIT)
+
+Copyright (c) Oleg Gaidarenko <[email protected]>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

readme.md

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+[![Build Status](https://travis-ci.org/markelog/eclectica.svg?branch=master)](https://travis-ci.org/markelog/eclectica)
+
+# Eclectica