2018-03-22 15:46:48 +00:00
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package main
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import (
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2018-03-22 16:39:27 +00:00
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"encoding/json"
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"fmt"
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2018-03-22 15:46:48 +00:00
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"os"
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"path/filepath"
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"strings"
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alpm "github.com/jguer/go-alpm"
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)
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func initPaths() {
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if configHome = os.Getenv("XDG_CONFIG_HOME"); configHome != "" {
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if info, err := os.Stat(configHome); err == nil && info.IsDir() {
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2018-04-28 11:12:41 +00:00
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configHome = filepath.Join(configHome, "yay")
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2018-03-22 15:46:48 +00:00
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} else {
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2018-04-17 00:32:31 +00:00
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configHome = filepath.Join(os.Getenv("HOME"), ".config/yay")
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2018-03-22 15:46:48 +00:00
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}
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} else {
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2018-04-17 00:32:31 +00:00
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configHome = filepath.Join(os.Getenv("HOME"), ".config/yay")
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2018-03-22 15:46:48 +00:00
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}
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if cacheHome = os.Getenv("XDG_CACHE_HOME"); cacheHome != "" {
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if info, err := os.Stat(cacheHome); err == nil && info.IsDir() {
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2018-04-17 00:32:31 +00:00
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cacheHome = filepath.Join(cacheHome, "yay")
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2018-03-22 15:46:48 +00:00
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} else {
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2018-04-17 00:32:31 +00:00
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cacheHome = filepath.Join(os.Getenv("HOME"), ".cache/yay")
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2018-03-22 15:46:48 +00:00
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}
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} else {
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2018-04-28 11:12:41 +00:00
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cacheHome = filepath.Join(os.Getenv("HOME"), ".cache/yay")
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2018-03-22 15:46:48 +00:00
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}
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2018-04-17 00:32:31 +00:00
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configFile = filepath.Join(configHome, configFileName)
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vcsFile = filepath.Join(cacheHome, vcsFileName)
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2018-03-22 15:46:48 +00:00
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}
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func initConfig() (err error) {
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defaultSettings(&config)
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if _, err = os.Stat(configFile); os.IsNotExist(err) {
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err = os.MkdirAll(filepath.Dir(configFile), 0755)
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if err != nil {
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err = fmt.Errorf("Unable to create config directory:\n%s\n"+
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"The error was:\n%s", filepath.Dir(configFile), err)
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return
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}
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// Save the default config if nothing is found
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config.saveConfig()
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} else {
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cfile, errf := os.OpenFile(configFile, os.O_RDWR|os.O_CREATE, 0644)
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if errf != nil {
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fmt.Printf("Error reading config: %s\n", err)
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} else {
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defer cfile.Close()
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decoder := json.NewDecoder(cfile)
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err = decoder.Decode(&config)
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if err != nil {
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fmt.Println("Loading default Settings.\nError reading config:",
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err)
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defaultSettings(&config)
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}
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2018-04-28 10:53:10 +00:00
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if _, err = os.Stat(config.BuildDir); os.IsNotExist(err) {
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err = os.MkdirAll(config.BuildDir, 0755)
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if err != nil {
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err = fmt.Errorf("Unable to create BuildDir directory:\n%s\n"+
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"The error was:\n%s", config.BuildDir, err)
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return
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}
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}
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2018-03-22 15:46:48 +00:00
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}
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}
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return
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}
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func initVCS() (err error) {
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if _, err = os.Stat(vcsFile); os.IsNotExist(err) {
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err = os.MkdirAll(filepath.Dir(vcsFile), 0755)
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if err != nil {
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err = fmt.Errorf("Unable to create vcs directory:\n%s\n"+
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"The error was:\n%s", filepath.Dir(configFile), err)
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return
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}
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} else {
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vfile, err := os.OpenFile(vcsFile, os.O_RDONLY|os.O_CREATE, 0644)
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if err == nil {
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defer vfile.Close()
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decoder := json.NewDecoder(vfile)
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_ = decoder.Decode(&savedInfo)
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}
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}
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return
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}
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func initAlpm() (err error) {
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var value string
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var exists bool
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//var double bool
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value, _, exists = cmdArgs.getArg("config")
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if exists {
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config.PacmanConf = value
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}
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alpmConf, err = readAlpmConfig(config.PacmanConf)
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if err != nil {
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err = fmt.Errorf("Unable to read Pacman conf: %s", err)
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return
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}
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value, _, exists = cmdArgs.getArg("dbpath", "b")
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if exists {
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alpmConf.DBPath = value
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}
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value, _, exists = cmdArgs.getArg("root", "r")
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if exists {
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alpmConf.RootDir = value
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}
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value, _, exists = cmdArgs.getArg("arch")
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if exists {
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alpmConf.Architecture = value
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}
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value, _, exists = cmdArgs.getArg("ignore")
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if exists {
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alpmConf.IgnorePkg = append(alpmConf.IgnorePkg, strings.Split(value, ",")...)
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}
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value, _, exists = cmdArgs.getArg("ignoregroup")
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if exists {
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alpmConf.IgnoreGroup = append(alpmConf.IgnoreGroup, strings.Split(value, ",")...)
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}
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//TODO
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//current system does not allow duplicate arguments
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//but pacman allows multiple cachdirs to be passed
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//for now only handle one cache dir
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value, _, exists = cmdArgs.getArg("cachdir")
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if exists {
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alpmConf.CacheDir = []string{value}
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}
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value, _, exists = cmdArgs.getArg("gpgdir")
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if exists {
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alpmConf.GPGDir = value
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}
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alpmHandle, err = alpmConf.CreateHandle()
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if err != nil {
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err = fmt.Errorf("Unable to CreateHandle: %s", err)
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return
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}
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2018-04-17 16:57:02 +00:00
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value, _, _ = cmdArgs.getArg("color")
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2018-03-22 15:46:48 +00:00
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if value == "always" || value == "auto" {
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useColor = true
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} else if value == "never" {
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useColor = false
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} else {
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useColor = alpmConf.Options&alpm.ConfColor > 0
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}
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alpmHandle.SetQuestionCallback(questionCallback)
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return
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}
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func main() {
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var status int
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var err error
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if 0 == os.Geteuid() {
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fmt.Println("Please avoid running yay as root/sudo.")
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}
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err = cmdArgs.parseCommandLine()
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if err != nil {
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fmt.Println(err)
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status = 1
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goto cleanup
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}
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initPaths()
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err = initConfig()
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if err != nil {
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fmt.Println(err)
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status = 1
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goto cleanup
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}
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err = initVCS()
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if err != nil {
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fmt.Println(err)
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status = 1
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goto cleanup
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}
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err = initAlpm()
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if err != nil {
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fmt.Println(err)
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status = 1
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goto cleanup
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}
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err = handleCmd()
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if err != nil {
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2018-03-23 19:49:51 +00:00
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if err.Error() != "" {
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fmt.Println(err)
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}
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2018-03-22 15:46:48 +00:00
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status = 1
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goto cleanup
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}
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cleanup:
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//cleanup
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//from here on out dont exit if an error occurs
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//if we fail to save the configuration
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//at least continue on and try clean up other parts
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if alpmHandle != nil {
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err = alpmHandle.Release()
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if err != nil {
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fmt.Println(err)
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status = 1
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}
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}
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os.Exit(status)
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}
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