mirror of
https://github.com/mudler/luet.git
synced 2025-04-28 11:34:42 +00:00
d6ae727d79
Somehow this slipped in, as we should check the lock only if we have enough args. Fixes #297
93 lines
2.7 KiB
Go
93 lines
2.7 KiB
Go
// Copyright © 2021 Ettore Di Giacinto <mudler@mocaccino.org>
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//
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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 2 of the License, or
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// (at your option) any later version.
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//
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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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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, see <http://www.gnu.org/licenses/>.
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package util
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import (
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"fmt"
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"os"
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"strings"
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"github.com/marcsauter/single"
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"github.com/pterm/pterm"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/mudler/luet/pkg/api/core/context"
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"github.com/mudler/luet/pkg/api/core/template"
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"github.com/mudler/luet/pkg/installer"
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)
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var lockedCommands = []string{"install", "uninstall", "upgrade"}
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var bannerCommands = []string{"install", "build", "uninstall", "upgrade"}
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func BindValuesFlags(cmd *cobra.Command) {
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viper.BindPFlag("values", cmd.Flags().Lookup("values"))
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}
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func ValuesFlags() []string {
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return viper.GetStringSlice("values")
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}
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// TemplateFolders returns the default folders which holds shared template between packages in a given tree path
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func TemplateFolders(ctx *context.Context, i installer.BuildTreeResult, treePaths []string) []string {
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templateFolders := []string{}
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for _, t := range treePaths {
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templateFolders = append(templateFolders, template.FindPossibleTemplatesDir(t)...)
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}
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for _, r := range i.TemplatesDir {
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templateFolders = append(templateFolders, r...)
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}
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return templateFolders
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}
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func HandleLock() {
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if os.Getenv("LUET_NOLOCK") == "true" || len(os.Args) < 2 {
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return
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}
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for _, lockedCmd := range lockedCommands {
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if os.Args[1] == lockedCmd {
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s := single.New("luet")
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if err := s.CheckLock(); err != nil && err == single.ErrAlreadyRunning {
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fmt.Println("another instance of the app is already running, exiting")
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os.Exit(1)
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} else if err != nil {
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// Another error occurred, might be worth handling it as well
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fmt.Println("failed to acquire exclusive app lock:", err.Error())
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os.Exit(1)
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}
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defer s.TryUnlock()
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break
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}
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}
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}
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func DisplayVersionBanner(c *context.Context, version func() string, license []string) {
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display := false
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if len(os.Args) > 1 {
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for _, c := range bannerCommands {
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if os.Args[1] == c {
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display = true
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}
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}
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}
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if display {
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pterm.Info.Printf("Luet %s\n", version())
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pterm.Info.Println(strings.Join(license, "\n"))
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}
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}
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