8000 Fish completions no longer suggest subcommands that have already been picked by bittrance · Pull Request #2117 · urfave/cli · GitHub
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Fish completions no longer suggest subcommands that have already been picked #2117

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Merged
merged 1 commit into from
Apr 27, 2025
Merged

Fish completions no longer suggest subcommands that have already been picked #2117

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22 changes: 19 additions & 3 deletions fish.go
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,7 @@ func (cmd *Command) prepareFishCommands(commands []*Command, allCommands *[]stri
fmt.Fprintf(&completion,
"complete -r -c %s -n '%s' -a '%s'",
cmd.Name,
cmd.fishSubcommandHelper(previousCommands),
cmd.fishSubcommandHelper(previousCommands, commands),
strings.Join(command.Names(), " "),
)

Expand Down Expand Up @@ -116,7 +116,7 @@ func (cmd *Command) prepareFishFlags(flags []Flag, previousCommands []string) []
fmt.Fprintf(completion,
"complete -c %s -n '%s'",
cmd.Name,
cmd.fishSubcommandHelper(previousCommands),
cmd.fishFlagHelper(previousCommands),
)

fishAddFileFlag(f, completion)
Expand Down Expand Up @@ -165,7 +165,23 @@ func fishAddFileFlag(flag Flag, completion *strings.Builder) {
completion.WriteString(" -f")
}

func (cmd *Command) fishSubcommandHelper(allCommands []string) string {
func (cmd *Command) fishSubcommandHelper(allCommands []string, siblings []*Command) string {
fishHelper := fmt.Sprintf("__fish_%s_no_subcommand", cmd.Name)
if len(allCommands) > 0 {
var siblingNames []string
for _, command := range siblings {
siblingNames = append(siblingNames, command.Names()...)
}
fishHelper = fmt.Sprintf(
"__fish_seen_subcommand_from %s; and not __fish_seen_subcommand_from %s",
strings.Join(allCommands, " "),
strings.Join(siblingNames, " "),
)
}
return fishHelper
}

func (cmd *Command) fishFlagHelper(allCommands []string) string {
fishHelper := fmt.Sprintf("__fish_%s_no_subcommand", cmd.Name)
if len(allCommands) > 0 {
fishHelper = fmt.Sprintf(
Expand Down
4 changes: 2 additions & 2 deletions testdata/expected-fish-full.fish
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ complete -r -c greet -n '__fish_greet_no_subcommand' -a 'config c' -d 'another u
complete -c greet -n '__fish_seen_subcommand_from config c' -l flag -s fl -s f -r
complete -c greet -n '__fish_seen_subcommand_from config c' -f -l another-flag -s b -d 'another usage text'
complete -c greet -n '__fish_seen_subcommand_from sub-config s ss' -f -l help -s h -d 'show help'
complete -r -c greet -n '__fish_seen_subcommand_from config c' -a 'sub-config s ss' -d 'another usage test'
complete -r -c greet -n '__fish_seen_subcommand_from config c; and not __fish_seen_subcommand_from sub-config s ss' -a 'sub-config s ss' -d 'another usage test'
complete -c greet -n '__fish_seen_subcommand_from sub-config s ss' -f -l sub-flag -s sub-fl -s s -r
complete -c greet -n '__fish_seen_subcommand_from sub-config s ss' -f -l sub-command-flag -s s -d 'some usage text'
complete -c greet -n '__fish_seen_subcommand_from info i in' -f -l help -s h -d 'show help'
Expand All @@ -33,5 +33,5 @@ complete -r -c greet -n '__fish_greet_no_subcommand' -a 'usage u' -d 'standard u
complete -c greet -n '__fish_seen_subcommand_from usage u' -l flag -s fl -s f -r
complete -c greet -n '__fish_seen_subcommand_from usage u' -f -l another-flag -s b -d 'another usage text'
complete -c greet -n '__fish_seen_subcommand_from sub-usage su' -f -l help -s h -d 'show help'
complete -r -c greet -n '__fish_seen_subcommand_from usage u' -a 'sub-usage su' -d 'standard usage text'
complete -r -c greet -n '__fish_seen_subcommand_from usage u; and not __fish_seen_subcommand_from sub-usage su' -a 'sub-usage su' -d 'standard usage text'
complete -c greet -n '__fish_seen_subcommand_from sub-usage su' -f -l sub-command-flag -s s -d 'some usage text'
0