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cmd/utils: move CheckExclusive to package internal/flags

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This commit is contained in:
Felix Lange 2025-02-25 12:52:22 +01:00
parent c35849552c
commit 8ddf889152
3 changed files with 49 additions and 48 deletions
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2
cmd/abigen/main.go
View file

@ -93,7 +93,7 @@ func init() {
}
func abigen(c *cli.Context) error {
utils.CheckExclusive(c, abiFlag, jsonFlag) // Only one source can be selected.
flags.CheckExclusive(c, abiFlag, jsonFlag) // Only one source can be selected.
if c.String(pkgFlag.Name) == "" {
utils.Fatalf("No destination package specified (--pkg)")

53
cmd/utils/flags.go
View file

@ -1197,7 +1197,7 @@ func setWS(ctx *cli.Context, cfg *node.Config) {
// setIPC creates an IPC path configuration from the set command line flags,
// returning an empty string if IPC was explicitly disabled, or the set path.
func setIPC(ctx *cli.Context, cfg *node.Config) {
CheckExclusive(ctx, IPCDisabledFlag, IPCPathFlag)
flags.CheckExclusive(ctx, IPCDisabledFlag, IPCPathFlag)
switch {
case ctx.Bool(IPCDisabledFlag.Name):
cfg.IPCPath = ""
@ -1295,8 +1295,8 @@ func SetP2PConfig(ctx *cli.Context, cfg *p2p.Config) {
cfg.NoDiscovery = true
}
CheckExclusive(ctx, DiscoveryV4Flag, NoDiscoverFlag)
CheckExclusive(ctx, DiscoveryV5Flag, NoDiscoverFlag)
flags.CheckExclusive(ctx, DiscoveryV4Flag, NoDiscoverFlag)
flags.CheckExclusive(ctx, DiscoveryV5Flag, NoDiscoverFlag)
cfg.DiscoveryV4 = ctx.Bool(DiscoveryV4Flag.Name)
cfg.DiscoveryV5 = ctx.Bool(DiscoveryV5Flag.Name)
@ -1528,52 +1528,11 @@ func setRequiredBlocks(ctx *cli.Context, cfg *ethconfig.Config) {
}
}
// CheckExclusive verifies that only a single instance of the provided flags was
// set by the user. Each flag might optionally be followed by a string type to
// specialize it further.
func CheckExclusive(ctx *cli.Context, args ...interface{}) {
set := make([]string, 0, 1)
for i := 0; i < len(args); i++ {
// Make sure the next argument is a flag and skip if not set
flag, ok := args[i].(cli.Flag)
if !ok {
panic(fmt.Sprintf("invalid argument, not cli.Flag type: %T", args[i]))
}
// Check if next arg extends current and expand its name if so
name := flag.Names()[0]
if i+1 < len(args) {
switch option := args[i+1].(type) {
case string:
// Extended flag check, make sure value set doesn't conflict with passed in option
if ctx.String(flag.Names()[0]) == option {
name += "=" + option
set = append(set, "--"+name)
}
// shift arguments and continue
i++
continue
case cli.Flag:
default:
panic(fmt.Sprintf("invalid argument, not cli.Flag or string extension: %T", args[i+1]))
}
}
// Mark the flag if it's set
if ctx.IsSet(flag.Names()[0]) {
set = append(set, "--"+name)
}
}
if len(set) > 1 {
Fatalf("Flags %v can't be used at the same time", strings.Join(set, ", "))
}
}
// SetEthConfig applies eth-related command line flags to the config.
func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
// Avoid conflicting network flags
CheckExclusive(ctx, MainnetFlag, DeveloperFlag, SepoliaFlag, HoleskyFlag)
CheckExclusive(ctx, DeveloperFlag, ExternalSignerFlag) // Can't use both ephemeral unlocked and external signer
flags.CheckExclusive(ctx, MainnetFlag, DeveloperFlag, SepoliaFlag, HoleskyFlag)
flags.CheckExclusive(ctx, DeveloperFlag, ExternalSignerFlag) // Can't use both ephemeral unlocked and external signer
// Set configurations from CLI flags
setEtherbase(ctx, cfg)
@ -1841,7 +1800,7 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
func MakeBeaconLightConfig(ctx *cli.Context) bparams.ClientConfig {
var config bparams.ClientConfig
customConfig := ctx.IsSet(BeaconConfigFlag.Name)
CheckExclusive(ctx, MainnetFlag, SepoliaFlag, HoleskyFlag, BeaconConfigFlag)
flags.CheckExclusive(ctx, MainnetFlag, SepoliaFlag, HoleskyFlag, BeaconConfigFlag)
switch {
case ctx.Bool(MainnetFlag.Name):
config.ChainConfig = *bparams.MainnetLightConfig

42
internal/flags/helpers.go
View file

@ -295,3 +295,45 @@ func CheckEnvVars(ctx *cli.Context, flags []cli.Flag, prefix string) {
}
}
}
// CheckExclusive verifies that only a single instance of the provided flags was
// set by the user. Each flag might optionally be followed by a string type to
// specialize it further.
func CheckExclusive(ctx *cli.Context, args ...any) {
set := make([]string, 0, 1)
for i := 0; i < len(args); i++ {
// Make sure the next argument is a flag and skip if not set
flag, ok := args[i].(cli.Flag)
if !ok {
panic(fmt.Sprintf("invalid argument, not cli.Flag type: %T", args[i]))
}
// Check if next arg extends current and expand its name if so
name := flag.Names()[0]
if i+1 < len(args) {
switch option := args[i+1].(type) {
case string:
// Extended flag check, make sure value set doesn't conflict with passed in option
if ctx.String(flag.Names()[0]) == option {
name += "=" + option
set = append(set, "--"+name)
}
// shift arguments and continue
i++
continue
case cli.Flag:
default:
panic(fmt.Sprintf("invalid argument, not cli.Flag or string extension: %T", args[i+1]))
}
}
// Mark the flag if it's set
if ctx.IsSet(flag.Names()[0]) {
set = append(set, "--"+name)
}
}
if len(set) > 1 {
fmt.Fprintf(os.Stderr, "Flags %v can't be used at the same time", strings.Join(set, ", "))
os.Exit(1)
}
}