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@abackstrom abackstrom/gist.go
Last active Feb 24, 2018

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This gist was created by the gisted code. Self-gisting! This is the first complete Go program I've ever written.
package main
import (
"bytes"
"encoding/json"
"flag"
"fmt"
"io/ioutil"
"net/http"
"os"
"strings"
)
const (
api_base = "https://api.github.com"
)
type GistFiles map[string]GistFile
type GistFile struct {
Content string `json:"content"`
}
type CreateGist struct {
Desc string `json:"description"`
Public bool `json:"public"`
Files GistFiles `json:"files"`
}
func jsonForFile(path string, contents string) []byte {
file := GistFile{
Content: contents,
}
files := CreateGist{
Desc: "",
Public: true,
Files: GistFiles{
path: file,
},
}
jsonVal, err := json.Marshal(files)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
return jsonVal
}
func readGithubToken(path string) (string, error) {
if strings.HasPrefix(path, "~") {
home := os.Getenv("HOME")
path = home + path[1:]
}
contents, err := ioutil.ReadFile(path)
return strings.Split(string(contents), "\n")[0], err
}
func main() {
filename := flag.String("file", "", "target file")
flag.Parse()
if *filename == "" {
fmt.Println("-file must have a value")
os.Exit(1)
}
token, err := readGithubToken("~/.github_token")
contents, err := ioutil.ReadFile(*filename)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
jsonVal := jsonForFile(*filename, string(contents))
client := &http.Client{}
req, err := http.NewRequest("POST", api_base+"/gists", bytes.NewBuffer(jsonVal))
req.Header.Add("Accept", "application/vnd.github.v3+json")
req.Header.Add("Authorization", "token "+token)
req.Header.Add("Content-Type", "application/json")
resp, err := client.Do(req)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
if resp.StatusCode == 201 {
location, _ := resp.Location()
fmt.Println(location)
} else {
fmt.Println("Unexpected response code: " + resp.Status)
fmt.Println(resp)
}
}
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