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// Copyright (c) 2018-2024, Sylabs Inc. All rights reserved.
// Copyright (c) 2017, SingularityWare, LLC. All rights reserved.
// Copyright (c) 2017, Yannick Cote <yhcote@gmail.com> All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE file distributed with the sources of this project regarding your
// rights to use or distribute this software.
package main
import (
"fmt"
"io"
"os"
"runtime"
"strconv"
"text/tabwriter"
"github.com/spf13/cobra"
"github.com/sylabs/sif/v2/pkg/sif"
"github.com/sylabs/sif/v2/pkg/siftool"
)
var (
version = "unknown"
date = ""
builtBy = ""
commit = ""
)
func writeVersion(w io.Writer) error {
tw := tabwriter.NewWriter(w, 0, 0, 2, ' ', 0)
defer tw.Flush()
fmt.Fprintf(tw, "Version:\t%v\n", version)
if builtBy != "" {
fmt.Fprintf(tw, "By:\t%v\n", builtBy)
}
if commit != "" {
fmt.Fprintf(tw, "Commit:\t%v\n", commit)
}
if date != "" {
fmt.Fprintf(tw, "Date:\t%v\n", date)
}
fmt.Fprintf(tw, "Runtime:\t%v (%v/%v)\n", runtime.Version(), runtime.GOOS, runtime.GOARCH)
fmt.Fprintf(tw, "Spec:\t%v\n", sif.CurrentVersion)
return nil
}
func getVersion() *cobra.Command {
return &cobra.Command{
Use: "version",
Short: "Display version information",
Long: "Display binary version, build info and compatible SIF version(s).",
Args: cobra.ExactArgs(0),
RunE: func(cmd *cobra.Command, _ []string) error {
return writeVersion(cmd.OutOrStdout())
},
DisableFlagsInUseLine: true,
}
}
func main() {
root := cobra.Command{
Use: "siftool",
Short: "siftool is a program for Singularity Image Format (SIF) file manipulation",
Long: `A set of commands are provided to display elements such as the SIF global
header, the data object descriptors and to dump data objects. It is also
possible to modify a SIF file via this tool via the add/del commands.`,
}
root.AddCommand(getVersion())
var experimental bool
if val, ok := os.LookupEnv("SIFTOOL_EXPERIMENTAL"); ok {
b, err := strconv.ParseBool(val)
if err != nil {
fmt.Fprintln(os.Stderr, "Error: failed to parse SIFTOOL_EXPERIMENTAL environment variable:", err)
}
experimental = b
}
if err := siftool.AddCommands(&root, siftool.OptWithExperimental(experimental)); err != nil {
fmt.Fprintln(os.Stderr, "Error:", err)
os.Exit(1)
}
if err := root.Execute(); err != nil {
os.Exit(1)
}
}
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