diff options
Diffstat (limited to 'vendor/github.com/spf13/cobra/fish_completions.go')
| -rw-r--r-- | vendor/github.com/spf13/cobra/fish_completions.go | 178 |
1 files changed, 83 insertions, 95 deletions
diff --git a/vendor/github.com/spf13/cobra/fish_completions.go b/vendor/github.com/spf13/cobra/fish_completions.go index b0db323ac..3e112347d 100644 --- a/vendor/github.com/spf13/cobra/fish_completions.go +++ b/vendor/github.com/spf13/cobra/fish_completions.go @@ -21,47 +21,44 @@ func genFishComp(buf io.StringWriter, name string, includeDesc bool) { WriteStringAndCheck(buf, fmt.Sprintf("# fish completion for %-36s -*- shell-script -*-\n", name)) WriteStringAndCheck(buf, fmt.Sprintf(` function __%[1]s_debug - set -l file "$BASH_COMP_DEBUG_FILE" + set file "$BASH_COMP_DEBUG_FILE" if test -n "$file" echo "$argv" >> $file end end function __%[1]s_perform_completion - __%[1]s_debug "Starting __%[1]s_perform_completion" + __%[1]s_debug "Starting __%[1]s_perform_completion with: $argv" - # Extract all args except the last one - set -l args (commandline -opc) - # Extract the last arg and escape it in case it is a space - set -l lastArg (string escape -- (commandline -ct)) + set args (string split -- " " "$argv") + set lastArg "$args[-1]" __%[1]s_debug "args: $args" __%[1]s_debug "last arg: $lastArg" - set -l requestComp "$args[1] %[3]s $args[2..-1] $lastArg" + set emptyArg "" + if test -z "$lastArg" + __%[1]s_debug "Setting emptyArg" + set emptyArg \"\" + end + __%[1]s_debug "emptyArg: $emptyArg" - __%[1]s_debug "Calling $requestComp" - set -l results (eval $requestComp 2> /dev/null) - - # Some programs may output extra empty lines after the directive. - # Let's ignore them or else it will break completion. - # Ref: https://github.com/spf13/cobra/issues/1279 - for line in $results[-1..1] - if test (string trim -- $line) = "" - # Found an empty line, remove it - set results $results[1..-2] - else - # Found non-empty line, we have our proper output - break - end + if not type -q "$args[1]" + # This can happen when "complete --do-complete %[2]s" is called when running this script. + __%[1]s_debug "Cannot find $args[1]. No completions." + return end - set -l comps $results[1..-2] - set -l directiveLine $results[-1] + set requestComp "$args[1] %[3]s $args[2..-1] $emptyArg" + __%[1]s_debug "Calling $requestComp" + + set results (eval $requestComp 2> /dev/null) + set comps $results[1..-2] + set directiveLine $results[-1] # For Fish, when completing a flag with an = (e.g., <program> -n=<TAB>) # completions must be prefixed with the flag - set -l flagPrefix (string match -r -- '-.*=' "$lastArg") + set flagPrefix (string match -r -- '-.*=' "$lastArg") __%[1]s_debug "Comps: $comps" __%[1]s_debug "DirectiveLine: $directiveLine" @@ -74,124 +71,115 @@ function __%[1]s_perform_completion printf "%%s\n" "$directiveLine" end -# This function does two things: -# - Obtain the completions and store them in the global __%[1]s_comp_results -# - Return false if file completion should be performed +# This function does three things: +# 1- Obtain the completions and store them in the global __%[1]s_comp_results +# 2- Set the __%[1]s_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 __%[1]s_prepare_completions - __%[1]s_debug "" - __%[1]s_debug "========= starting completion logic ==========" - # Start fresh + set --erase __%[1]s_comp_do_file_comp set --erase __%[1]s_comp_results - set -l results (__%[1]s_perform_completion) + # Check if the command-line is already provided. This is useful for testing. + if not set --query __%[1]s_comp_commandLine + # Use the -c flag to allow for completion in the middle of the line + set __%[1]s_comp_commandLine (commandline -c) + end + __%[1]s_debug "commandLine is: $__%[1]s_comp_commandLine" + + set results (__%[1]s_perform_completion "$__%[1]s_comp_commandLine") + set --erase __%[1]s_comp_commandLine __%[1]s_debug "Completion results: $results" if test -z "$results" __%[1]s_debug "No completion, probably due to a failure" # Might as well do file completion, in case it helps + set --global __%[1]s_comp_do_file_comp 1 return 1 end - set -l directive (string sub --start 2 $results[-1]) + set directive (string sub --start 2 $results[-1]) set --global __%[1]s_comp_results $results[1..-2] __%[1]s_debug "Completions are: $__%[1]s_comp_results" __%[1]s_debug "Directive is: $directive" - set -l shellCompDirectiveError %[4]d - set -l shellCompDirectiveNoSpace %[5]d - set -l shellCompDirectiveNoFileComp %[6]d - set -l shellCompDirectiveFilterFileExt %[7]d - set -l shellCompDirectiveFilterDirs %[8]d + set shellCompDirectiveError %[4]d + set shellCompDirectiveNoSpace %[5]d + set shellCompDirectiveNoFileComp %[6]d + set shellCompDirectiveFilterFileExt %[7]d + set shellCompDirectiveFilterDirs %[8]d if test -z "$directive" set directive 0 end - set -l compErr (math (math --scale 0 $directive / $shellCompDirectiveError) %% 2) + set compErr (math (math --scale 0 $directive / $shellCompDirectiveError) %% 2) if test $compErr -eq 1 __%[1]s_debug "Received error directive: aborting." # Might as well do file completion, in case it helps + set --global __%[1]s_comp_do_file_comp 1 return 1 end - set -l filefilter (math (math --scale 0 $directive / $shellCompDirectiveFilterFileExt) %% 2) - set -l dirfilter (math (math --scale 0 $directive / $shellCompDirectiveFilterDirs) %% 2) + set filefilter (math (math --scale 0 $directive / $shellCompDirectiveFilterFileExt) %% 2) + set dirfilter (math (math --scale 0 $directive / $shellCompDirectiveFilterDirs) %% 2) if test $filefilter -eq 1; or test $dirfilter -eq 1 __%[1]s_debug "File extension filtering or directory filtering not supported" # Do full file completion instead + set --global __%[1]s_comp_do_file_comp 1 return 1 end - set -l nospace (math (math --scale 0 $directive / $shellCompDirectiveNoSpace) %% 2) - set -l nofiles (math (math --scale 0 $directive / $shellCompDirectiveNoFileComp) %% 2) + set nospace (math (math --scale 0 $directive / $shellCompDirectiveNoSpace) %% 2) + set nofiles (math (math --scale 0 $directive / $shellCompDirectiveNoFileComp) %% 2) __%[1]s_debug "nospace: $nospace, nofiles: $nofiles" - # If we want to prevent a space, or if file completion is NOT disabled, - # we need to count the number of valid completions. - # To do so, we will filter on prefix as the completions we have received - # may not already be filtered so as to allow fish to match on different - # criteria than the prefix. - if test $nospace -ne 0; or test $nofiles -eq 0 - set -l prefix (commandline -t | string escape --style=regex) - __%[1]s_debug "prefix: $prefix" - - set -l completions (string match -r -- "^$prefix.*" $__%[1]s_comp_results) - set --global __%[1]s_comp_results $completions - __%[1]s_debug "Filtered completions are: $__%[1]s_comp_results" - - # Important not to quote the variable for count to work - set -l numComps (count $__%[1]s_comp_results) - __%[1]s_debug "numComps: $numComps" - - if test $numComps -eq 1; and test $nospace -ne 0 - # We must first split on \t to get rid of the descriptions to be - # able to check what the actual completion will be. - # We don't need descriptions anyway since there is only a single - # real completion which the shell will expand immediately. - set -l split (string split --max 1 \t $__%[1]s_comp_results[1]) - - # Fish won't add a space if the completion ends with any - # of the following characters: @=/:., - set -l lastChar (string sub -s -1 -- $split) - if not string match -r -q "[@=/:.,]" -- "$lastChar" - # In other cases, to support the "nospace" directive we trick the shell - # by outputting an extra, longer completion. - __%[1]s_debug "Adding second completion to perform nospace directive" - set --global __%[1]s_comp_results $split[1] $split[1]. - __%[1]s_debug "Completions are now: $__%[1]s_comp_results" - end - end - - if test $numComps -eq 0; and test $nofiles -eq 0 - # To be consistent with bash and zsh, we only trigger file - # completion when there are no other completions - __%[1]s_debug "Requesting file completion" - return 1 - end + # Important not to quote the variable for count to work + set numComps (count $__%[1]s_comp_results) + __%[1]s_debug "numComps: $numComps" + + 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. + __%[1]s_debug "Adding second completion to perform nospace directive" + set --append __%[1]s_comp_results $__%[1]s_comp_results[1]. + end + + if test $numComps -eq 0; and test $nofiles -eq 0 + __%[1]s_debug "Requesting file completion" + set --global __%[1]s_comp_do_file_comp 1 end - return 0 + # 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 __%[1]s_comp_do_file_comp) end # Since Fish completions are only loaded once the user triggers them, we trigger them ourselves # so we can properly delete any completions provided by another script. -# Only do this if the program can be found, or else fish may print some errors; besides, -# the existing completions will only be loaded if the program can be found. -if type -q "%[2]s" - # The space after the program name is essential to trigger completion for the program - # and not completion of the program name itself. - # Also, we use '> /dev/null 2>&1' since '&>' is not supported in older versions of fish. - complete --do-complete "%[2]s " > /dev/null 2>&1 -end +# The space after the the program name is essential to trigger completion for the program +# and not completion of the program name itself. +complete --do-complete "%[2]s " > /dev/null 2>&1 +# Using '> /dev/null 2>&1' since '&>' is not supported in older versions of fish. # Remove any pre-existing completions for the program since we will be handling all of them. complete -c %[2]s -e -# The call to __%[1]s_prepare_completions will setup __%[1]s_comp_results -# which provides the program's completion choices. +# The order in which the below two lines are defined is very important so that __%[1]s_prepare_completions +# is called first. It is __%[1]s_prepare_completions that sets up the __%[1]s_comp_do_file_comp variable. +# +# This completion will be run second as complete commands are added FILO. +# It triggers file completion choices when __%[1]s_comp_do_file_comp is set. +complete -c %[2]s -n 'set --query __%[1]s_comp_do_file_comp' + +# This completion will be run first as complete commands are added FILO. +# The call to __%[1]s_prepare_completions will setup both __%[1]s_comp_results and __%[1]s_comp_do_file_comp. +# It provides the program's completion choices. complete -c %[2]s -n '__%[1]s_prepare_completions' -f -a '$__%[1]s_comp_results' `, nameForVar, name, compCmd, |