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feat: add old "passthrough" behaviour back in as an option

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`passthrough:""` or `passthrough:"all"` (the default) will pass through
all further arguments including unrecognised flags.

`passthrough:"partial"` will validate flags up until the `--` or the
first positional argument, then pass through all subsequent flags and
arguments.
This commit is contained in:
Alec Thomas
2024-12-01 19:58:24 +11:00
parent 88e13d750a
commit 96647c30af
6 changed files with 117 additions and 60 deletions
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context.go
+2 -2
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@@ -425,7 +425,7 @@ func (c *Context) trace(node *Node) (err error) { //nolint: gocyclo
case FlagToken:
if err := c.parseFlag(flags, token.String()); err != nil {
if isUnknownFlagError(err) && positional < len(node.Positional) && node.Positional[positional].Passthrough {
if isUnknownFlagError(err) && positional < len(node.Positional) && node.Positional[positional].PassthroughMode == PassThroughModeAll {
c.scan.Pop()
c.scan.PushTyped(token.String(), PositionalArgumentToken)
} else {
@@ -435,7 +435,7 @@ func (c *Context) trace(node *Node) (err error) { //nolint: gocyclo
case ShortFlagToken:
if err := c.parseFlag(flags, token.String()); err != nil {
if isUnknownFlagError(err) && positional < len(node.Positional) && node.Positional[positional].Passthrough {
if isUnknownFlagError(err) && positional < len(node.Positional) && node.Positional[positional].PassthroughMode == PassThroughModeAll {
c.scan.Pop()
c.scan.PushTyped(token.String(), PositionalArgumentToken)
} else {