initial commit

.gitignore

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+
+# Created by https://www.gitignore.io/api/go,jetbrains
+
+### Go ###
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+### JetBrains ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff:
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/dictionaries
+
+# Sensitive or high-churn files:
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.xml
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+
+# Gradle:
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# CMake
+cmake-build-debug/
+
+# Mongo Explorer plugin:
+.idea/**/mongoSettings.xml
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+/out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Ruby plugin and RubyMine
+/.rakeTasks
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+### JetBrains Patch ###
+# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
+
+# *.iml
+# modules.xml
+# .idea/misc.xml
+# *.ipr
+
+# Sonarlint plugin
+.idea/sonarlint
+
+
+# End of https://www.gitignore.io/api/go,jetbrains

.idea/jumphost.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/jumphost.iml" filepath="$PROJECT_DIR$/.idea/jumphost.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

main.go

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+package main
+
+import (
+	"os"
+	"log"
+	"io/ioutil"
+	"fmt"
+	"strings"
+	"os/user"
+	"github.com/manifoldco/promptui"
+)
+
+type host struct {
+	Name     string
+	HostName string
+	User     string
+}
+
+func readFile(file string) string {
+	contents, err := ioutil.ReadFile(file)
+	if err != nil {
+		log.Fatalf("%q does not exist", file)
+	}
+	return fmt.Sprintf("%s", contents)
+}
+
+func readHosts(lines []string) []host {
+	hosts := make([]host,0)
+	current := host{}
+
+	for _, line := range lines {
+		fields := strings.Fields(line)
+		if len(fields) <= 1 {
+			continue
+		}
+		nameLower := strings.ToLower(fields[0])
+		if nameLower == "host" {
+			if current.Name != "" {
+				hosts = append(hosts, current)
+			}
+			currentUser, err := user.Current()
+			currentUserName := ""
+			if err == nil {
+				currentUserName = currentUser.Username
+			}
+			current = host{Name:fields[1], HostName: fields[1], User: currentUserName}
+		}
+		if nameLower == "hostname" {
+			current.HostName = fields[1]
+		}
+		if nameLower == "user" {
+			current.User = fields[1]
+		}
+	}
+	if current.Name != "" {
+		hosts = append(hosts, current)
+	}
+
+	return hosts
+}
+
+func main() {
+	args := os.Args[1:]
+	if len(args) == 0 {
+		log.Fatalf("Usage: %s [configfile]", os.Args[0])
+	}
+	fileName := args[0]
+	lines := strings.Split(readFile(fileName), "\n")
+	for i, line := range lines {
+		lines[i] = strings.Trim(line, "\r\t ")
+	}
+	hosts := readHosts(lines)
+
+	searcher := func(input string, index int) bool {
+		host := hosts[index]
+		name := strings.Replace(strings.ToLower(host.Name+host.User+host.HostName), " ", "", -1)
+		input = strings.Replace(strings.ToLower(input), " ", "", -1)
+
+		return strings.Contains(name, input)
+	}
+
+	templates := &promptui.SelectTemplates {
+		Label:    "{{ . }}",
+		Active:   ">{{ .User | cyan }}@({{ .HostName | red }})",
+		Inactive: " {{ .User | cyan }}@({{ .HostName | red }})",
+		Selected: "{{ .User | cyan }}@({{ .HostName | red }})",
+	}
+
+	prompt := promptui.Select{
+		Label:     "Select Host/Option",
+		Items:     hosts,
+		Templates: templates,
+		Size:      4,
+		Searcher:  searcher,
+	}
+
+	i, _, err := prompt.Run()
+
+	if err != nil {
+		fmt.Printf("Prompt failed %v\n", err)
+		return
+	}
+
+	fmt.Printf("You choose number %d: %s\n", i+1, hosts[i].Name)
+}

test/config.txt

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+Host host1
+        HostName        hostname1
+        User            user1
+Host host2
+    HostName hostname2
+    User someone
+Host host3