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sort.go
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sort.go
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// SPDX-License-Identifier: MIT
package main
import (
"os"
"sort"
"github.com/spf13/cobra"
"github.com/ffurrer2/semver/v2/internal/pkg/cli"
"github.com/ffurrer2/semver/v2/pkg/semver"
)
var (
reverseFlag bool
sortCmd = &cobra.Command{
Use: "sort [flag] [semver]...",
Short: "Sort semantic versions",
Long: `This command sorts semantic versions.`,
Example: ` semver sort 1.1.1 1.0.0 1.0.1
semver sort --reverse 1.1.1 1.0.0 1.0.1
semver sort <versions.txt
echo '1.1.1\n1.0.0\n1.0.1' | semver sort`,
Args: cobra.ArbitraryArgs,
DisableFlagsInUseLine: true,
Run: func(cmd *cobra.Command, args []string) {
sort := func(args []string) {
semverSlice := make([]semver.SemVer, 0)
for _, s := range args {
semVer, err := semver.Parse(s)
if err != nil {
cmd.PrintErrf("error: %v\n", err)
os.Exit(1)
}
semverSlice = append(semverSlice, *semVer)
}
if reverseFlag {
sort.Sort(sort.Reverse(semver.BySemVer(semverSlice)))
} else {
sort.Sort(semver.BySemVer(semverSlice))
}
for _, s := range semverSlice {
cmd.Printf("%s\n", s.String())
}
}
cli.Map(args, cmd.InOrStdin(), sort)
},
}
)
func init() {
sortCmd.SetUsageTemplate(usageTemplate)
sortCmd.Flags().BoolVarP(&reverseFlag, "reverse", "r", false, "sort in reverse order")
rootCmd.AddCommand(sortCmd)
}