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package main
import (
"flag"
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"fmt"
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"github.com/bouncepaw/mycorrhiza/cfg"
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"log"
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"os"
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"path/filepath"
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"github.com/bouncepaw/mycorrhiza/assets"
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)
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// CLI options are read and parsed here.
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var printExampleConfig bool
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func init ( ) {
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flag . StringVar ( & cfg . ConfigFilePath , "config-path" , "" , "Path to a configuration file. Leave empty if you don't want to use it." )
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flag . BoolVar ( & printExampleConfig , "print-example-config" , false , "If true, print an example configuration file contents and exit. You can save the output to a file and base your own configuration on it." )
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flag . Usage = printHelp
}
// printHelp prints the help message. The help message is stored in assets.
func printHelp ( ) {
_ , err := fmt . Fprintf (
flag . CommandLine . Output ( ) ,
assets . HelpMessage ( ) ,
os . Args [ 0 ] ,
)
if err != nil {
log . Fatal ( err )
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}
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flag . PrintDefaults ( )
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}
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// parseCliArgs parses CLI options and sets several important global variables. Call it early.
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func parseCliArgs ( ) {
flag . Parse ( )
args := flag . Args ( )
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if printExampleConfig {
fmt . Printf ( assets . ExampleConfig ( ) )
os . Exit ( 0 )
}
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if len ( args ) == 0 {
log . Fatal ( "Error: pass a wiki directory" )
}
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wikiDir , err := filepath . Abs ( args [ 0 ] )
cfg . WikiDir = wikiDir
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if err != nil {
log . Fatal ( err )
}
}