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Fix #2337
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| # fish completion for cozy-stack -*- shell-script -*- | ||
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| function __cozy-stack_debug | ||
| set file "$BASH_COMP_DEBUG_FILE" | ||
| if test -n "$file" | ||
| echo "$argv" >> $file | ||
| end | ||
| end | ||
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| function __cozy-stack_perform_completion | ||
| __cozy-stack_debug "Starting __cozy-stack_perform_completion with: $argv" | ||
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| set args (string split -- " " "$argv") | ||
| set lastArg "$args[-1]" | ||
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| __cozy-stack_debug "args: $args" | ||
| __cozy-stack_debug "last arg: $lastArg" | ||
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| set emptyArg "" | ||
| if test -z "$lastArg" | ||
| __cozy-stack_debug "Setting emptyArg" | ||
| set emptyArg \"\" | ||
| end | ||
| __cozy-stack_debug "emptyArg: $emptyArg" | ||
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| set requestComp "$args[1] __complete $args[2..-1] $emptyArg" | ||
| __cozy-stack_debug "Calling $requestComp" | ||
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| set results (eval $requestComp 2> /dev/null) | ||
| set comps $results[1..-2] | ||
| set directiveLine $results[-1] | ||
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| # For Fish, when completing a flag with an = (e.g., <program> -n=<TAB>) | ||
| # completions must be prefixed with the flag | ||
| set flagPrefix (string match -r -- '-.*=' "$lastArg") | ||
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| __cozy-stack_debug "Comps: $comps" | ||
| __cozy-stack_debug "DirectiveLine: $directiveLine" | ||
| __cozy-stack_debug "flagPrefix: $flagPrefix" | ||
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| for comp in $comps | ||
| printf "%s%s\n" "$flagPrefix" "$comp" | ||
| end | ||
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| printf "%s\n" "$directiveLine" | ||
| end | ||
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| # This function does three things: | ||
| # 1- Obtain the completions and store them in the global __cozy-stack_comp_results | ||
| # 2- Set the __cozy-stack_comp_do_file_comp flag if file completion should be performed | ||
| # and unset it otherwise | ||
| # 3- Return true if the completion results are not empty | ||
| function __cozy-stack_prepare_completions | ||
| # Start fresh | ||
| set --erase __cozy-stack_comp_do_file_comp | ||
| set --erase __cozy-stack_comp_results | ||
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| # Check if the command-line is already provided. This is useful for testing. | ||
| if not set --query __cozy-stack_comp_commandLine | ||
| set __cozy-stack_comp_commandLine (commandline) | ||
| end | ||
| __cozy-stack_debug "commandLine is: $__cozy-stack_comp_commandLine" | ||
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| set results (__cozy-stack_perform_completion "$__cozy-stack_comp_commandLine") | ||
| set --erase __cozy-stack_comp_commandLine | ||
| __cozy-stack_debug "Completion results: $results" | ||
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| if test -z "$results" | ||
| __cozy-stack_debug "No completion, probably due to a failure" | ||
| # Might as well do file completion, in case it helps | ||
| set --global __cozy-stack_comp_do_file_comp 1 | ||
| return 0 | ||
| end | ||
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| set directive (string sub --start 2 $results[-1]) | ||
| set --global __cozy-stack_comp_results $results[1..-2] | ||
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| __cozy-stack_debug "Completions are: $__cozy-stack_comp_results" | ||
| __cozy-stack_debug "Directive is: $directive" | ||
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| if test -z "$directive" | ||
| set directive 0 | ||
| end | ||
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| set compErr (math (math --scale 0 $directive / 1) % 2) | ||
| if test $compErr -eq 1 | ||
| __cozy-stack_debug "Received error directive: aborting." | ||
| # Might as well do file completion, in case it helps | ||
| set --global __cozy-stack_comp_do_file_comp 1 | ||
| return 0 | ||
| end | ||
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| set nospace (math (math --scale 0 $directive / 2) % 2) | ||
| set nofiles (math (math --scale 0 $directive / 4) % 2) | ||
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| __cozy-stack_debug "nospace: $nospace, nofiles: $nofiles" | ||
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| # Important not to quote the variable for count to work | ||
| set numComps (count $__cozy-stack_comp_results) | ||
| __cozy-stack_debug "numComps: $numComps" | ||
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| if test $numComps -eq 1; and test $nospace -ne 0 | ||
| # To support the "nospace" directive we trick the shell | ||
| # by outputting an extra, longer completion. | ||
| __cozy-stack_debug "Adding second completion to perform nospace directive" | ||
| set --append __cozy-stack_comp_results $__cozy-stack_comp_results[1]. | ||
| end | ||
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| if test $numComps -eq 0; and test $nofiles -eq 0 | ||
| __cozy-stack_debug "Requesting file completion" | ||
| set --global __cozy-stack_comp_do_file_comp 1 | ||
| end | ||
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| # If we don't want file completion, we must return true even if there | ||
| # are no completions found. This is because fish will perform the last | ||
| # completion command, even if its condition is false, if no other | ||
| # completion command was triggered | ||
| return (not set --query __cozy-stack_comp_do_file_comp) | ||
| end | ||
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| # Remove any pre-existing completions for the program since we will be handling all of them | ||
| # TODO this cleanup is not sufficient. Fish completions are only loaded once the user triggers | ||
| # them, so the below deletion will not work as it is run too early. What else can we do? | ||
| complete -c cozy-stack -e | ||
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| # The order in which the below two lines are defined is very important so that __cozy-stack_prepare_completions | ||
| # is called first. It is __cozy-stack_prepare_completions that sets up the __cozy-stack_comp_do_file_comp variable. | ||
| # | ||
| # This completion will be run second as complete commands are added FILO. | ||
| # It triggers file completion choices when __cozy-stack_comp_do_file_comp is set. | ||
| complete -c cozy-stack -n 'set --query __cozy-stack_comp_do_file_comp' | ||
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| # This completion will be run first as complete commands are added FILO. | ||
| # The call to __cozy-stack_prepare_completions will setup both __cozy-stack_comp_results abd __cozy-stack_comp_do_file_comp. | ||
| # It provides the program's completion choices. | ||
| complete -c cozy-stack -n '__cozy-stack_prepare_completions' -f -a '$__cozy-stack_comp_results' | ||
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