2024-03-11 17:40:26 +01:00

135 lines
3.2 KiB
Go

package commands
import (
"fmt"
"sort"
"strings"
"github.com/fatih/color"
"github.com/spf13/cobra"
"github.com/golangci/golangci-lint/pkg/config"
"github.com/golangci/golangci-lint/pkg/lint/linter"
"github.com/golangci/golangci-lint/pkg/lint/lintersdb"
"github.com/golangci/golangci-lint/pkg/logutils"
)
type helpCommand struct {
cmd *cobra.Command
dbManager *lintersdb.Manager
log logutils.Log
}
func newHelpCommand(logger logutils.Log) *helpCommand {
c := &helpCommand{log: logger}
helpCmd := &cobra.Command{
Use: "help",
Short: "Help",
Args: cobra.NoArgs,
RunE: func(cmd *cobra.Command, _ []string) error {
return cmd.Help()
},
}
helpCmd.AddCommand(
&cobra.Command{
Use: "linters",
Short: "Help about linters",
Args: cobra.NoArgs,
ValidArgsFunction: cobra.NoFileCompletions,
Run: c.execute,
PreRunE: c.preRunE,
},
)
c.cmd = helpCmd
return c
}
func (c *helpCommand) preRunE(_ *cobra.Command, _ []string) error {
// The command doesn't depend on the real configuration.
// It just needs the list of all plugins and all presets.
dbManager, err := lintersdb.NewManager(c.log.Child(logutils.DebugKeyLintersDB), config.NewDefault(), lintersdb.NewLinterBuilder())
if err != nil {
return err
}
c.dbManager = dbManager
return nil
}
func (c *helpCommand) execute(_ *cobra.Command, _ []string) {
var enabledLCs, disabledLCs []*linter.Config
for _, lc := range c.dbManager.GetAllSupportedLinterConfigs() {
if lc.Internal {
continue
}
if lc.EnabledByDefault {
enabledLCs = append(enabledLCs, lc)
} else {
disabledLCs = append(disabledLCs, lc)
}
}
color.Green("Enabled by default linters:\n")
printLinters(enabledLCs)
color.Red("\nDisabled by default linters:\n")
printLinters(disabledLCs)
color.Green("\nLinters presets:")
c.printPresets()
}
func (c *helpCommand) printPresets() {
for _, p := range lintersdb.AllPresets() {
linters := c.dbManager.GetAllLinterConfigsForPreset(p)
var linterNames []string
for _, lc := range linters {
if lc.Internal {
continue
}
linterNames = append(linterNames, lc.Name())
}
sort.Strings(linterNames)
_, _ = fmt.Fprintf(logutils.StdOut, "%s: %s\n", color.YellowString(p), strings.Join(linterNames, ", "))
}
}
func printLinters(lcs []*linter.Config) {
sort.Slice(lcs, func(i, j int) bool {
return lcs[i].Name() < lcs[j].Name()
})
for _, lc := range lcs {
altNamesStr := ""
if len(lc.AlternativeNames) != 0 {
altNamesStr = fmt.Sprintf(" (%s)", strings.Join(lc.AlternativeNames, ", "))
}
// If the linter description spans multiple lines, truncate everything following the first newline
linterDescription := lc.Linter.Desc()
firstNewline := strings.IndexRune(linterDescription, '\n')
if firstNewline > 0 {
linterDescription = linterDescription[:firstNewline]
}
deprecatedMark := ""
if lc.IsDeprecated() {
deprecatedMark = " [" + color.RedString("deprecated") + "]"
}
_, _ = fmt.Fprintf(logutils.StdOut, "%s%s%s: %s [fast: %t, auto-fix: %t]\n",
color.YellowString(lc.Name()), altNamesStr, deprecatedMark, linterDescription, !lc.IsSlowLinter(), lc.CanAutoFix)
}
}