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ponder/cmd/root.go
2016-09-25 14:42:46 +02:00

89 lines
2.8 KiB
Go

// Copyright © 2016 Jip J. Dekker <jip@dekker.li>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"os"
"path/filepath"
log "github.com/Sirupsen/logrus"
"github.com/jjdekker/ponder/helpers"
"github.com/jjdekker/ponder/settings"
"github.com/spf13/cobra"
)
var (
veryVerbose bool
verbose bool
target string
)
// RootCmd represents the base command when called without any subcommands
var RootCmd = &cobra.Command{
Use: "ponder",
Short: "A managing tool for lilypond sheet music libraries",
Long: `Ponder is a tool to help manage your sheet music library.
The main purpose is to help in the compilation of your lilypond files
into both single files and a fully functioning song book. It also accepts
other PDF files to be part of your song book.`,
PersistentPreRun: func(cmd *cobra.Command, args []string) {
setLogLevel()
},
// Uncomment the following line if your bare application
// has an action associated with it:
// Run: func(cmd *cobra.Command, args []string) { },
}
// Execute adds all child commands to the root command sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
if err := RootCmd.Execute(); err != nil {
os.Exit(-1)
}
}
func init() {
RootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "Verbose output of application events")
RootCmd.PersistentFlags().BoolVar(&veryVerbose, "vv", false, "Debug output of application events")
RootCmd.PersistentFlags().StringVarP(&target, "target", "t", "default", "Settings target to be used")
}
func setLogLevel() {
if veryVerbose {
log.SetLevel(log.DebugLevel)
} else if verbose {
log.SetLevel(log.InfoLevel)
} else {
log.SetLevel(log.WarnLevel)
}
}
// getSettings return the directory in which the settings file was
// found and the parsed settings content
func getSettings() (string, *settings.Settings) {
// Find and Unmarshal the settings file
path, err := helpers.FindFileDir(settingsFile)
helpers.Check(err, "unable to find library directory")
opts, err := settings.FromFile(filepath.Join(path, settingsFile))
helpers.Check(err, "unable to parse settings file")
set, ok := opts[target]
if !ok {
helpers.Crash(nil, "unknown compilation target: "+target)
}
return path, &set
}