Remove bad code from 13-year-old me
This commit is contained in:
parent
027d1bf6f9
commit
c9d3b583f4
62
distance.go
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62
distance.go
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@ -0,0 +1,62 @@
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package main
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import "math"
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func Jaro(a, b string) float64 {
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la := float64(len(a))
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lb := float64(len(b))
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// match range = max(len(a), len(b)) / 2 - 1
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matchRange := int(math.Floor(math.Max(la, lb)/2.0)) - 1
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matchRange = int(math.Max(0, float64(matchRange-1)))
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var matches, halfs float64
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transposed := make([]bool, len(b))
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for i := 0; i < len(a); i++ {
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start := int(math.Max(0, float64(i-matchRange)))
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end := int(math.Min(lb-1, float64(i+matchRange)))
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for j := start; j <= end; j++ {
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if transposed[j] {
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continue
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}
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if a[i] == b[j] {
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if i != j {
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halfs++
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}
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matches++
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transposed[j] = true
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break
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}
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}
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}
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if matches == 0 {
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return 0
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}
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transposes := math.Floor(float64(halfs / 2))
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return ((matches / la) + (matches / lb) + (matches-transposes)/matches) / 3.0
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}
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func JaroWinkler(a, b string, boostThreshold float64, prefixSize int) float64 {
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j := Jaro(a, b)
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if j <= boostThreshold {
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return j
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}
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prefixSize = int(math.Min(float64(len(a)), math.Min(float64(prefixSize), float64(len(b)))))
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var prefixMatch float64
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for i := 0; i < prefixSize; i++ {
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if a[i] == b[i] {
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prefixMatch++
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}
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}
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return j + 0.1*prefixMatch*(1.0-j)
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}
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160
main.go
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160
main.go
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@ -0,0 +1,160 @@
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/*
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Pak: Wrapper designed for package managers to unify software management commands between distros
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Copyright (C) 2020 Arsen Musayelyan
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"os/user"
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"regexp"
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"strings"
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)
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func main() {
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// Put all arguments into a variable
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args := os.Args[1:]
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// Check which currentUser is running command
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currentUser, err := user.Current()
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if err != nil { log.Fatal(err) }
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// Check to make sure root is not being used unless -r/--root specified
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if !Contains(args, "-r") && !Contains(args, "--root") {
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if strings.Contains(currentUser.Username, "root") {
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fmt.Println("Do not run as root, this program will invoke root for you if selected in config.")
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fmt.Println("If you would like to bypass this, run this command with -r or --root.")
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os.Exit(1)
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}
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} else {
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if Contains(args, "-r") {
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args = removeAtIndex(args, Find(args, "-r"))
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} else if Contains(args, "--root") {
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args = removeAtIndex(args, Find(args, "--root"))
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}
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}
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// Parse config file removing all comments and empty lines
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config, err := ioutil.ReadFile("/etc/pak.cfg")
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if err != nil { log.Fatal(err) }
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commentRegex := regexp.MustCompile(`#.*`)
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emptyLineRegex := regexp.MustCompile(`(?m)^\s*\n`)
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parsedConfig := commentRegex.ReplaceAllString(string(config), "")
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parsedConfig = emptyLineRegex.ReplaceAllString(parsedConfig, "")
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cfg := strings.Split(parsedConfig, "\n")
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//fmt.Println(cfg) //DEBUG
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// Set first line of config to variable
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packageManagerCommand := cfg[0]
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//fmt.Println(packageManagerCommand) //DEBUG
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// Parse list of commands in config line 2 and set to variable as array
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commands := strings.Split(cfg[1], ",")
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//fmt.Println(commands) //DEBUG
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// Set the root option in config line 3 to a variable
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useRoot := cfg[2]
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//fmt.Println(useRoot) //DEBUG
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// Set command to use to invoke root at config line 4 to a variable
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rootCommand := cfg[3]
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//fmt.Println(rootCommand) //DEBUG
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// Parse list of shortcuts in config and line 5 set to variable as an array
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shortcuts := strings.Split(cfg[4], ",")
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//fmt.Println(shortcuts) //DEBUG
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// Parse list of shortcuts in config line 6 and set to variable as array
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shortcutMappings := strings.Split(cfg[5], ",")
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//fmt.Println(shortcutMappings) //DEBUG
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// Check if config file allows root and set boolean to a variable
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var useRootBool bool
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if useRoot == "yes" {
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useRootBool = true
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} else if useRoot == "no" {
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useRootBool = false
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}
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//fmt.Println(useRootBool) //DEBUG
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// Create similar to slice to put all matched commands into
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var similarTo []string
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// Displays help message if no arguments provided or -h/--help is passed
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if len(args) == 0 || Contains(args, "-h") || Contains(args, "--help") || Contains(args, "help") {
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printHelpMessage(packageManagerCommand, useRootBool, rootCommand, commands, shortcuts)
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os.Exit(0)
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}
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// Create distance slice to store JaroWinkler distance values
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var distance []float64
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// Appends JaroWinkler distance between each available command and the first argument to an array
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for _,command := range commands {
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distance = append(distance, JaroWinkler(command, args[0], 1, 0))
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}
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// Compares each distance to the max of the distance slice and appends the closest command to similarTo
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for index, element := range distance {
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// If current element is the closest to the first argument
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if element == Max(distance) {
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// Append command at same index as distance to similarTo
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similarTo = append(similarTo, commands[index])
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}
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}
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// Deals with shortcuts
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for index, shortcut := range shortcuts {
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// If the first argument is a shortcut and similarTo does not already contain its mapping, append it
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if args[0] == shortcut && !Contains(similarTo, shortcutMappings[index]) {
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similarTo = append(similarTo, shortcutMappings[index])
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}
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}
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// If similarTo is still empty, log it fatally as something is wrong with the config or the code
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if len(similarTo) == 0 { log.Fatalln("This command does not match any known commands or shortcuts") }
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// Print text showing command being run and package manager being used
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fmt.Println("Running:", strings.Title(similarTo[0]), "using", strings.Title(packageManagerCommand))
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// Run package manager with the proper arguments passed if more than one argument exists
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var cmdArr []string
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// If root is to be used, append it to cmdArr
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if useRootBool { cmdArr = append(cmdArr, rootCommand) }
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// Create slice with all commands and arguments for the package manager
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cmdArr = append(cmdArr, []string{packageManagerCommand, similarTo[0]}...)
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// If greater than 2 arguments, append them to cmdArr
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if len(args) >= 2 { cmdArr = append(cmdArr, strings.Join(args[1:], " ")) }
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// Create space separated string from cmdArr
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cmdStr := strings.Join(cmdArr, " ")
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// Instantiate exec.Command object with command sh, flag -c, and cmdStr
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command := exec.Command("sh", "-c", cmdStr)
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// Set standard outputs for command
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command.Stdout = os.Stdout
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command.Stdin = os.Stdin
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command.Stderr = os.Stderr
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// Run command
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err = command.Run()
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// If command returned an error, log fatally with explanation
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if err != nil {
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fmt.Println("Error received from child process")
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log.Fatal(err)
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}
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}
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301
pak.go
301
pak.go
@ -1,301 +0,0 @@
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/*
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Pak: Wrapper designed for package managers to unify software management commands between distros
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Copyright (C) 2020 Arsen Musayelyan
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"fmt"
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"log"
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"math"
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"os"
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"os/exec"
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"strings"
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)
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// Print help screen
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func printHelpMessage(packageManagerCommand string, useRootBool bool, rootCommand string, commands []string, shortcuts []string) {
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fmt.Println("Arsen Musayelyan's Package Manager Wrapper")
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fmt.Println("Current package manager is:", packageManagerCommand)
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if useRootBool { fmt.Println("Using root with:", rootCommand, "\n") } else { fmt.Println("Not using root\n") }
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fmt.Println("Usage: pak <command> [package]\nExample: pak in hello\n")
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fmt.Println("The available commands are:\n" + strings.Join(commands, "\n"),"\n")
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fmt.Println("The available shortcuts are:\n" + strings.Join(shortcuts, "\n"), "\n")
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fmt.Println("The available flags are:\n--help, -h: Shows this help screen\n--root, -r: Bypass root error")
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fmt.Println("misc: All", packageManagerCommand, "flags\n")
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fmt.Println("Writing the whole command is uneccesary, just use enough to differentiate")
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os.Exit(0)
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}
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// Remove an element at an index from a slice
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func removeAtIndex(s []string, index int) []string {
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return append(s[:index], s[index+1:]...)
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}
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// Check if slice contains string
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func Contains(slice []string, val string) bool {
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for _, item := range slice {
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if item == val {
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return true
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}
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}
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return false
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}
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func Max(array []float64) float64 {
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var max float64 = array[0]
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var min float64 = array[0]
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for _, value := range array {
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if max < value {
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max = value
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}
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if min > value {
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min = value
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}
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}
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return max
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}
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func Find(slice []string, val string) int {
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for i, item := range slice {
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if item == val {
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return i
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}
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}
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return -1
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}
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func Jaro(a, b string) float64 {
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la := float64(len(a))
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lb := float64(len(b))
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// match range = max(len(a), len(b)) / 2 - 1
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matchRange := int(math.Floor(math.Max(la, lb)/2.0)) - 1
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matchRange = int(math.Max(0, float64(matchRange-1)))
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var matches, halfs float64
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transposed := make([]bool, len(b))
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for i := 0; i < len(a); i++ {
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start := int(math.Max(0, float64(i-matchRange)))
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end := int(math.Min(lb-1, float64(i+matchRange)))
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for j := start; j <= end; j++ {
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if transposed[j] {
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continue
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}
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if a[i] == b[j] {
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if i != j {
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halfs++
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}
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matches++
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transposed[j] = true
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break
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}
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}
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}
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if matches == 0 {
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return 0
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}
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|
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transposes := math.Floor(float64(halfs / 2))
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||||||
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|
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return ((matches / la) + (matches / lb) + (matches-transposes)/matches) / 3.0
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|
||||||
}
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|
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|
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func JaroWinkler(a, b string, boostThreshold float64, prefixSize int) float64 {
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j := Jaro(a, b)
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||||||
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if j <= boostThreshold {
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return j
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}
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prefixSize = int(math.Min(float64(len(a)), math.Min(float64(prefixSize), float64(len(b)))))
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var prefixMatch float64
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for i := 0; i < prefixSize; i++ {
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if a[i] == b[i] {
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prefixMatch++
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}
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}
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return j + 0.1*prefixMatch*(1.0-j)
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}
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func main() {
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||||||
// Put all arguments into a variable
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args := os.Args[1:]
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|
||||||
// Check which user is running command
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usr, err := exec.Command("whoami").Output()
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if err != nil {
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|
||||||
log.Fatal(err)
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|
||||||
}
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|
||||||
|
|
||||||
// Check to make sure root is not being used unless -r/--root specified
|
|
||||||
if !Contains(args, "-r") && !Contains(args, "--root") {
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|
||||||
if strings.Contains(string(usr), "root") {
|
|
||||||
fmt.Println("Do not run as root, this program will invoke root for you if selected in config.")
|
|
||||||
fmt.Println("If you would like to bypass this, run this command with -r or --root.")
|
|
||||||
os.Exit(1)
|
|
||||||
}
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|
||||||
} else {
|
|
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if Contains(args, "-r") {
|
|
||||||
args = removeAtIndex(args, Find(args, "-r"))
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|
||||||
} else if Contains(args, "--root") {
|
|
||||||
args = removeAtIndex(args, Find(args, "--root"))
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|
||||||
}
|
|
||||||
}
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|
||||||
|
|
||||||
// Parse config file removing all comments and empty lines
|
|
||||||
cfgStr, err := exec.Command("sed", "-e", "s/#.*$//", "-e", "/^$/d", "/etc/pak.cfg").Output()
|
|
||||||
if err != nil {
|
|
||||||
log.Fatal(err)
|
|
||||||
}
|
|
||||||
cfg := strings.Split(string(cfgStr), "\n")
|
|
||||||
//fmt.Println(cfg) //DEBUG
|
|
||||||
|
|
||||||
// Set first line of config to variable
|
|
||||||
packageManagerCommand := cfg[0]
|
|
||||||
//fmt.Println(packageManagerCommand) //DEBUG
|
|
||||||
|
|
||||||
// Parse list of commands in config line 2 and set to variable as array
|
|
||||||
commands := strings.Split(cfg[1], ",")
|
|
||||||
//fmt.Println(commands) //DEBUG
|
|
||||||
|
|
||||||
// Set the root option in config line 3 to a variable
|
|
||||||
useRoot := cfg[2]
|
|
||||||
//fmt.Println(useRoot) //DEBUG
|
|
||||||
|
|
||||||
// Set command to use to invoke root at config line 4 to a variable
|
|
||||||
rootCommand := cfg[3]
|
|
||||||
//fmt.Println(rootCommand) //DEBUG
|
|
||||||
|
|
||||||
// Parse list of shortcuts in config and line 5 set to variable as an array
|
|
||||||
shortcuts := strings.Split(cfg[4], ",")
|
|
||||||
//fmt.Println(shortcuts) //DEBUG
|
|
||||||
|
|
||||||
// Parse list of shortcuts in config line 6 and set to variable as array
|
|
||||||
shortcutMappings := strings.Split(cfg[5], ",")
|
|
||||||
//fmt.Println(shortcutMappings) //DEBUG
|
|
||||||
|
|
||||||
// Check if config file allows root and set boolean to a variable
|
|
||||||
var useRootBool bool
|
|
||||||
if useRoot == "yes" {
|
|
||||||
useRootBool = true
|
|
||||||
} else if useRoot == "no" {
|
|
||||||
useRootBool = false
|
|
||||||
}
|
|
||||||
//fmt.Println(useRootBool) //DEBUG
|
|
||||||
|
|
||||||
// Create similar to slice to detect incomplete and misspelled commands
|
|
||||||
var similarTo []string
|
|
||||||
|
|
||||||
// Displays help message if no arguments provided or -h/--help is passed
|
|
||||||
|
|
||||||
if len(args) == 0 || Contains(args, "-h") || Contains(args, "--help") || Contains(args, "help") {
|
|
||||||
printHelpMessage(packageManagerCommand, useRootBool, rootCommand, commands, shortcuts)
|
|
||||||
}
|
|
||||||
|
|
||||||
// Checks for known commands in first argument
|
|
||||||
// Appends percent similarity between command and all commands in array to an array
|
|
||||||
var dist []float64
|
|
||||||
for _,command := range commands {
|
|
||||||
dist = append(dist, JaroWinkler(command, args[0], 1, 0))
|
|
||||||
}
|
|
||||||
|
|
||||||
// Appends the suspected command to an array
|
|
||||||
for count, element := range dist {
|
|
||||||
if element == Max(dist) {
|
|
||||||
similarTo = append(similarTo, commands[count])
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Deals with shortcuts
|
|
||||||
for index, shortcut := range shortcuts {
|
|
||||||
if args[0] == shortcut && !Contains(similarTo, shortcutMappings[index]) {
|
|
||||||
similarTo = nil
|
|
||||||
similarTo = append(similarTo, shortcutMappings[index])
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Run package manager with the proper arguments passed`
|
|
||||||
fmt.Println("Running:", strings.Title(similarTo[0]), "using", strings.Title(packageManagerCommand))
|
|
||||||
if len(similarTo) == 1 && len(args) >= 2 {
|
|
||||||
if useRootBool {
|
|
||||||
cmdArr := []string{rootCommand, packageManagerCommand, similarTo[0], strings.Join(args[1:], " ")}
|
|
||||||
cmdStr := strings.Join(cmdArr, " ")
|
|
||||||
command := exec.Command("sh", "-c", cmdStr)
|
|
||||||
command.Stdout = os.Stdout
|
|
||||||
command.Stdin = os.Stdin
|
|
||||||
command.Stderr = os.Stderr
|
|
||||||
error := command.Run()
|
|
||||||
if error != nil {
|
|
||||||
fmt.Println("Error received from child process")
|
|
||||||
log.Fatal(error)
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
cmdArr :=[]string{packageManagerCommand, similarTo[0], strings.Join(args[1:], " ")}
|
|
||||||
cmdStr := strings.Join(cmdArr, " ")
|
|
||||||
command := exec.Command("sh", "-c", cmdStr)
|
|
||||||
command.Stdout = os.Stdout
|
|
||||||
command.Stdin = os.Stdin
|
|
||||||
command.Stderr = os.Stderr
|
|
||||||
error := command.Run()
|
|
||||||
if error != nil {
|
|
||||||
fmt.Println("Error received from child process")
|
|
||||||
log.Fatal(error)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} else if len(similarTo) != 1 && len(args) >= 1 && similarTo != nil {
|
|
||||||
fmt.Println("Ambiguous:", similarTo)
|
|
||||||
} else if similarTo == nil && len(args) >= 1 {
|
|
||||||
fmt.Println("Command", args[0], "not known")
|
|
||||||
os.Exit(1)
|
|
||||||
} else {
|
|
||||||
if useRootBool {
|
|
||||||
cmdArr :=[]string{rootCommand, packageManagerCommand, similarTo[0]}
|
|
||||||
cmdStr := strings.Join(cmdArr, " ")
|
|
||||||
command := exec.Command("sh", "-c", cmdStr)
|
|
||||||
command.Stdout = os.Stdout
|
|
||||||
command.Stdin = os.Stdin
|
|
||||||
command.Stderr = os.Stderr
|
|
||||||
error := command.Run()
|
|
||||||
if error != nil {
|
|
||||||
fmt.Println("Error received from child process")
|
|
||||||
log.Fatal(error)
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
cmdArr :=[]string{packageManagerCommand, similarTo[0]}
|
|
||||||
cmdStr := strings.Join(cmdArr, " ")
|
|
||||||
command := exec.Command("sh", "-c", cmdStr)
|
|
||||||
command.Stdout = os.Stdout
|
|
||||||
command.Stdin = os.Stdin
|
|
||||||
command.Stderr = os.Stderr
|
|
||||||
error := command.Run()
|
|
||||||
if error != nil {
|
|
||||||
fmt.Println("Error received from child process")
|
|
||||||
log.Fatal(error)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
39
slices.go
Normal file
39
slices.go
Normal file
@ -0,0 +1,39 @@
|
|||||||
|
package main
|
||||||
|
|
||||||
|
// Remove an element at an index from a slice
|
||||||
|
func removeAtIndex(s []string, index int) []string {
|
||||||
|
return append(s[:index], s[index+1:]...)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Check if slice contains string
|
||||||
|
func Contains(slice []string, val string) bool {
|
||||||
|
for _, item := range slice {
|
||||||
|
if item == val {
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
|
||||||
|
func Max(array []float64) float64 {
|
||||||
|
var max = array[0]
|
||||||
|
var min = array[0]
|
||||||
|
for _, value := range array {
|
||||||
|
if max < value {
|
||||||
|
max = value
|
||||||
|
}
|
||||||
|
if min > value {
|
||||||
|
min = value
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return max
|
||||||
|
}
|
||||||
|
|
||||||
|
func Find(slice []string, val string) int {
|
||||||
|
for i, item := range slice {
|
||||||
|
if item == val {
|
||||||
|
return i
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return -1
|
||||||
|
}
|
||||||
28
usage.go
Normal file
28
usage.go
Normal file
@ -0,0 +1,28 @@
|
|||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"fmt"
|
||||||
|
"strings"
|
||||||
|
)
|
||||||
|
|
||||||
|
// Print help screen
|
||||||
|
func printHelpMessage(packageManagerCommand string, useRootBool bool, rootCommand string, commands []string, shortcuts []string) {
|
||||||
|
fmt.Println("Arsen Musayelyan's Package Manager Wrapper")
|
||||||
|
fmt.Println("Current package manager is:", packageManagerCommand)
|
||||||
|
if useRootBool { fmt.Println("Using root with command:", rootCommand) } else { fmt.Println("Not using root") }
|
||||||
|
fmt.Println()
|
||||||
|
fmt.Println("Usage: pak <command> [package]")
|
||||||
|
fmt.Println("Example: pak in hello")
|
||||||
|
fmt.Println()
|
||||||
|
fmt.Println("The available commands are:")
|
||||||
|
fmt.Println(strings.Join(commands, "\n"))
|
||||||
|
fmt.Println()
|
||||||
|
fmt.Println("The available shortcuts are:")
|
||||||
|
fmt.Println(strings.Join(shortcuts, "\n"))
|
||||||
|
fmt.Println()
|
||||||
|
fmt.Println("The available flags are:")
|
||||||
|
fmt.Println("--help, -h: Shows this help screen")
|
||||||
|
fmt.Println("--root, -r: Bypasses root user check")
|
||||||
|
fmt.Println()
|
||||||
|
fmt.Println("Pak uses a string distance algorithm, so `pak in` is valid as is `pak inst` or `pak install`")
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user