/
use.go
53 lines (44 loc) · 1.17 KB
/
use.go
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package commands
import (
"strings"
"github.com/jimeh/evm/manager"
"github.com/spf13/cobra"
)
func NewUse(mgr *manager.Manager) (*cobra.Command, error) {
cmd := &cobra.Command{
Use: "use <version>",
Short: "Switch to a specific version",
Aliases: []string{"activate", "switch"},
Args: cobra.ExactArgs(1),
ValidArgsFunction: useValidArgs(mgr),
RunE: useRunE(mgr),
}
return cmd, nil
}
func useRunE(mgr *manager.Manager) runEFunc {
return func(cmd *cobra.Command, args []string) error {
return mgr.Use(cmd.Context(), args[0])
}
}
func useValidArgs(mgr *manager.Manager) validArgsFunc {
return func(
cmd *cobra.Command,
args []string,
toComplete string,
) ([]string, cobra.ShellCompDirective) {
if len(args) > 0 {
return nil, cobra.ShellCompDirectiveNoFileComp
}
versions, err := mgr.List(cmd.Context())
if err != nil {
return nil, cobra.ShellCompDirectiveNoFileComp
}
var r []string
for _, ver := range versions {
if toComplete == "" || strings.HasPrefix(ver.Version, toComplete) {
r = append(r, ver.Version)
}
}
return r, cobra.ShellCompDirectiveNoFileComp
}
}