github.com/lmorg/murex@v0.0.0-20240217211045-e081c89cd4ef/builtins/core/modules/enable.go (about)

     1  package modules
     2  
     3  import (
     4  	"errors"
     5  	"fmt"
     6  	"os"
     7  	"strings"
     8  
     9  	"github.com/lmorg/murex/config/profile"
    10  	"github.com/lmorg/murex/lang"
    11  )
    12  
    13  func enableModules(p *lang.Process) error {
    14  	if p.Parameters.Len() < 2 {
    15  		return errors.New(noModulesToAble + "enable")
    16  	}
    17  
    18  	var disabled []string
    19  	err := profile.ReadJson(profile.ModulePath()+profile.DisabledFile, &disabled)
    20  	if err != nil {
    21  		return err
    22  	}
    23  
    24  	defer writeDisabled(&disabled)
    25  
    26  	for _, pack := range p.Parameters.StringArray()[1:] {
    27  		switch strings.Count(pack, "/") {
    28  		case 0:
    29  			if err := enablePack(pack); err != nil {
    30  				return err
    31  			}
    32  		case 1:
    33  			if disabled, err = enableMod(pack, disabled); err != nil {
    34  				return err
    35  			}
    36  		default:
    37  			return fmt.Errorf("`%s` is not a valid package/module format", pack)
    38  		}
    39  	}
    40  
    41  	return nil
    42  }
    43  
    44  func enablePack(pack string) error {
    45  	modulePath := profile.ModulePath()
    46  	return os.Rename(modulePath+pack+profile.IgnoredExt, modulePath+pack)
    47  }
    48  
    49  func enableMod(mod string, disabled []string) ([]string, error) {
    50  	for i := range disabled {
    51  		if disabled[i] == mod {
    52  			disabled[i] = disabled[len(disabled)-1]
    53  			return disabled[:len(disabled)-1], nil
    54  		}
    55  	}
    56  
    57  	return disabled, fmt.Errorf("`%s` does not exist or has already been enabled", mod)
    58  }