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September 2, 2024 15:08
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gistpost create
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| //////////////////////////////////////////////////////////////////////////// | |
| // Program: gistpost | |
| // Purpose: GH gist post/update tool | |
| // Authors: Tong Sun (c) 2024-2024, All rights reserved | |
| //////////////////////////////////////////////////////////////////////////// | |
| package main | |
| import ( | |
| "bytes" | |
| "encoding/json" | |
| "fmt" | |
| "io/ioutil" | |
| "log" | |
| "net/http" | |
| "os" | |
| "time" | |
| ) | |
| //////////////////////////////////////////////////////////////////////////// | |
| // Constant and data type/structure definitions | |
| type gistFile struct { | |
| Content string `json:"content"` | |
| } | |
| type gist struct { | |
| Description string `json:"description"` | |
| Public bool `json:"public"` | |
| Files map[string]gistFile `json:"files"` | |
| } | |
| //////////////////////////////////////////////////////////////////////////// | |
| // Global variables definitions | |
| //////////////////////////////////////////////////////////////////////////// | |
| // Function definitions | |
| func optsCheck() { | |
| // == Sanity check on variables from environment | |
| if opts.Token == "" { | |
| gfParser.WriteHelp(os.Stdout) | |
| fmt.Println("\nError: The GISTPOST_TOKEN environment variable is required") | |
| os.Exit(1) | |
| } | |
| if opts.Description == "" { | |
| t := time.Now() | |
| opts.Description = "Archived on " + t.Format(time.DateOnly) | |
| } | |
| if opts.Filename == "" { | |
| opts.Filename = "archive.md" | |
| } | |
| // == Sanity check on stdin | |
| // Get file information about stdin | |
| info, err := os.Stdin.Stat() | |
| if err != nil { | |
| fmt.Println("Error checking stdin:", err) | |
| os.Exit(1) | |
| } | |
| // Check if stdin is from a pipe | |
| if info.Mode()&os.ModeCharDevice != 0 { | |
| gfParser.WriteHelp(os.Stdout) | |
| fmt.Println("\nError: This program reads input from pipe.") | |
| os.Exit(1) | |
| } | |
| } | |
| // // Exec implements the business logic of command `create` | |
| func (x *CreateCommand) Exec(args []string) error { | |
| // err := ... | |
| // clis.WarnOn("create::Exec", err) | |
| // or, | |
| // clis.AbortOn("create::Exec", err) | |
| optsCheck() | |
| // } | |
| // func (x *CreateCommand) Exec(args []string) error { | |
| // Read content from stdin | |
| content, err := ioutil.ReadAll(os.Stdin) | |
| if err != nil { | |
| log.Fatalf("Error reading stdin: %v", err) | |
| } | |
| if opts.Wrap { | |
| content = []byte("```\n" + string(content) + "\n```\n") | |
| } | |
| // Create the gist | |
| gist := gist{ | |
| Description: opts.Description, | |
| Public: x.Public, | |
| Files: map[string]gistFile{ | |
| opts.Filename: {Content: string(content)}, | |
| }, | |
| } | |
| // Convert gist to JSON | |
| gistJson, err := json.Marshal(gist) | |
| if err != nil { | |
| log.Fatalf("Error marshaling Gist JSON: %v", err) | |
| } | |
| // Make the POST request to GitHub Gist API | |
| client := &http.Client{} | |
| req, err := http.NewRequest("POST", "https://api.github.com/gists", bytes.NewBuffer(gistJson)) | |
| if err != nil { | |
| log.Fatalf("Error creating POST request: %v", err) | |
| } | |
| req.Header.Set("Authorization", "token "+opts.Token) | |
| req.Header.Set("Content-Type", "application/json") | |
| resp, err := client.Do(req) | |
| if err != nil { | |
| log.Fatalf("Error posting to GitHub Gist: %v", err) | |
| } | |
| defer resp.Body.Close() | |
| if resp.StatusCode != http.StatusCreated { | |
| log.Fatalf("Failed to create gist, status: %s", resp.Status) | |
| } | |
| // Print the URL of the created gist | |
| var result map[string]interface{} | |
| json.NewDecoder(resp.Body).Decode(&result) | |
| fmt.Println("Gist created: ", result["html_url"]) | |
| return nil | |
| } | |
| //========================================================================== | |
| // support functions | |
| /* | |
| Usage example: | |
| export GP_GIST_T_TOKEN=github_pat_... | |
| $ cat gistpost_main.go | gistpost -d 'gistpost main' -f main.go -p | |
| Gist created: https://gist.github.com/suntong/923dabcb17c73e7ba435c0067eee3b19 | |
| */ |
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