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https://github.com/clap-rs/clap
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36 lines
1.7 KiB
Fish
36 lines
1.7 KiB
Fish
# Print an optspec for argparse to handle cmd's options that are independent of any subcommand.
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function __fish_my_app_global_optspecs
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string join \n c/config h/help V/version
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end
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function __fish_my_app_needs_command
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# Figure out if the current invocation already has a command.
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set -l cmd (commandline -opc)
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set -e cmd[1]
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argparse -s (__fish_my_app_global_optspecs) -- $cmd 2>/dev/null
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or return
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if set -q argv[1]
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# Also print the command, so this can be used to figure out what it is.
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echo $argv[1]
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return 1
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end
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return 0
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end
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function __fish_my_app_using_subcommand
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set -l cmd (__fish_my_app_needs_command)
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test -z "$cmd"
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and return 1
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contains -- $cmd[1] $argv
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end
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complete -c my-app -n "__fish_my_app_needs_command" -s c -s C -l config -l conf -d 'some config file'
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complete -c my-app -n "__fish_my_app_needs_command" -s h -l help -d 'Print help'
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complete -c my-app -n "__fish_my_app_needs_command" -s V -l version -d 'Print version'
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complete -c my-app -n "__fish_my_app_needs_command" -a "test" -d 'tests things'
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complete -c my-app -n "__fish_my_app_needs_command" -a "help" -d 'Print this message or the help of the given subcommand(s)'
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complete -c my-app -n "__fish_my_app_using_subcommand test" -l case -d 'the case to test' -r
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complete -c my-app -n "__fish_my_app_using_subcommand test" -s h -l help -d 'Print help'
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complete -c my-app -n "__fish_my_app_using_subcommand test" -s V -l version -d 'Print version'
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complete -c my-app -n "__fish_my_app_using_subcommand help; and not __fish_seen_subcommand_from test help" -f -a "test" -d 'tests things'
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complete -c my-app -n "__fish_my_app_using_subcommand help; and not __fish_seen_subcommand_from test help" -f -a "help" -d 'Print this message or the help of the given subcommand(s)'
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