github.com/BarDweller/libpak@v0.0.0-20230630201634-8dd5cfc15ec9/cmd/create-package/main.go (about)

     1  /*
     2   * Copyright 2018-2020 the original author or authors.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *      https://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package main
    18  
    19  import (
    20  	"fmt"
    21  	"log"
    22  	"os"
    23  
    24  	"github.com/spf13/pflag"
    25  
    26  	"github.com/BarDweller/libpak/carton"
    27  )
    28  
    29  func main() {
    30  	p := carton.Package{}
    31  
    32  	flagSet := pflag.NewFlagSet("Create Package", pflag.ExitOnError)
    33  	flagSet.StringVar(&p.CacheLocation, "cache-location", "", "path to cache downloaded dependencies (default: $PWD/dependencies)")
    34  	flagSet.StringVar(&p.Destination, "destination", "", "path to the build package destination directory")
    35  	flagSet.BoolVar(&p.IncludeDependencies, "include-dependencies", false, "whether to include dependencies (default: false)")
    36  	flagSet.StringSliceVar(&p.DependencyFilters, "dependency-filter", []string{}, "one or more filters that are applied to exclude dependencies")
    37  	flagSet.BoolVar(&p.StrictDependencyFilters, "strict-filters", false, "require filter to match all data or just some data (default: false)")
    38  	flagSet.StringVar(&p.Source, "source", defaultSource(), "path to build package source directory (default: $PWD)")
    39  	flagSet.StringVar(&p.Version, "version", "", "version to substitute into buildpack.toml/extension.toml")
    40  
    41  	if err := flagSet.Parse(os.Args[1:]); err != nil {
    42  		log.Fatal(fmt.Errorf("unable to parse flags\n%w", err))
    43  	}
    44  
    45  	if p.Destination == "" {
    46  		log.Fatal("destination must be set")
    47  	}
    48  
    49  	p.Create()
    50  }
    51  
    52  func defaultSource() string {
    53  	s, err := os.Getwd()
    54  	if err != nil {
    55  		log.Fatal(fmt.Errorf("unable to get working directory\n%w", err))
    56  	}
    57  
    58  	return s
    59  }