Initial commit

.gitignore

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+# Go "vendor" directory
+vendor/
+
+# Compiled binaries
+ipinfo
+ipinfo.exe
+
+# Directory generated by GoReleaser
+dist/

.goreleaser.yml

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+builds:
+  - binary: ipinfo
+    goos:
+      - windows
+      - darwin
+      - linux
+    goarch:
+      - amd64
+
+archive:
+  files:
+    - README.md
+    - LICENSE.md
+  format_overrides:
+    - goos: windows
+      format: zip
+  replacements:
+    amd64: x86_64
+    386: x86
+    darwin: macos
+  wrap_in_directory: true

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+## Unreleased
+
+- Initial versioned release.

Gopkg.toml

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+[prune]
+  go-tests = true
+  unused-packages = true
+
+[[constraint]]
+  name = "github.com/urfave/cli"
+  version = "1.20.0"

LICENSE.md

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+# MIT License
+
+Copyright © 2018 Hugo Locurcio and contributors
+
+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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+# ipinfo
+
+A command-line utility to retrieve your current IP address and related
+information, or display information related to an IP address (such as
+the country and Internet service provider).
+
+## Usage
+
+## License
+
+Copyright © 2018 Hugo Locurcio and contributors
+
+Unless otherwise specified, files in this repository are licensed under the
+MIT license, see [LICENSE.md](LICENSE.md) for more information.

main.go

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+// ipinfo: Retrieve information about IP addresses
+//
+// Copyright © 2018 Hugo Locurcio and contributors
+//
+// 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.
+
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/urfave/cli"
+	"log"
+	"net/http"
+	"os"
+)
+
+type IpInfo struct {
+	Ip       string `json:"ip"`       // IP address
+	Hostname string `json:"hostname"` // Hostname
+	City     string `json:"city"`     // City
+	Region   string `json:"region"`   // Region
+	Country  string `json:"country"`  // Country
+	Loc      string `json:"loc"`      // Location ("latitude,longitude" in degrees)
+	Postal   string `json:"postal"`   // Postal code
+	Org      string `json:"org"`      // Organization
+}
+
+func main() {
+	app := cli.NewApp()
+	app.Name = "ipinfo"
+	app.Version = "0.0.1"
+	app.Usage = "Retrieve information about IP addresses"
+	app.UsageText = app.Name + " [IP address]"
+
+	app.Action = func(c *cli.Context) error {
+		client := &http.Client{}
+		req, err := client.Get("http://ipinfo.io/json")
+
+		if err != nil {
+			fmt.Println("Error: Requesting IP address information failed.")
+			os.Exit(1)
+		}
+
+		defer req.Body.Close()
+		ipInfo := IpInfo{}
+		json.NewDecoder(req.Body).Decode(&ipInfo)
+
+		return nil
+	}
+
+	err := app.Run(os.Args)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+}