@ -251,153 +251,21 @@ __helm_bash_source <(__helm_convert_bash_to_zsh)
} }
func runCompletionFish ( out io . Writer , cmd * cobra . Command ) error { func runCompletionFish ( out io . Writer , cmd * cobra . Command ) error {
compCmd := completion . CompWithDescRequestCmd
err := completion . GenFishCompletion ( out , completionNoDesc )
if completionNoDesc {
compCmd = completion . CompRequestCmd
}
fishScript := fmt . Sprintf ( ` # fish completion for helm - * - shell - script - * -
function __helm_debug
set file "$BASH_COMP_DEBUG_FILE"
if test - n "$file"
echo "$argv" >> $ file
end
end
function __helm_comp_perform
__helm_debug "Starting __helm_comp_perform with: $argv"
set args ( string split -- " " "$argv" )
set lastArg "$args[-1]"
__helm_debug "args: $args"
__helm_debug "last arg: $lastArg"
set emptyArg ""
if test - z "$lastArg"
__helm_debug "Setting emptyArg"
set emptyArg \ "\"
end
__helm_debug "emptyArg: $emptyArg"
set requestComp "$args[1] %[1]s $args[2..-1] $emptyArg"
__helm_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 . , helm - n = < TAB > )
# completions must be prefixed with the flag
set flagPrefix ( string match - r -- ' - . *= ' "$lastArg" )
__helm_debug "Comps are: $comps"
__helm_debug "DirectiveLine is: $directiveLine"
__helm_debug "flagPrefix is: $flagPrefix"
for comp in $ comps
printf "%%s%%s\n" "$flagPrefix" "$comp"
end
printf "%%s\n" "$directiveLine"
end
# This function does three things :
# 1 - Obtain the completions and store them in the global __helm_comp_results
# 2 - Set the __helm_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 __helm_comp_prepare
# Start fresh
set -- erase __helm_comp_do_file_comp
set -- erase __helm_comp_results
# Check if the command - line is already provided . This is useful for testing .
if not set -- query __helm_comp_commandLine
set __helm_comp_commandLine ( commandline )
end
__helm_debug "commandLine is: $__helm_comp_commandLine"
set results ( __helm_comp_perform "$__helm_comp_commandLine" )
set -- erase __helm_comp_commandLine
__helm_debug "Completion results: $results"
if test - z "$results"
__helm_debug "No completion, probably due to a failure"
# Might as well do file completion , in case it helps
set -- global __helm_comp_do_file_comp 1
return 0
end
set directive ( string sub -- start 2 $ results [ - 1 ] )
set -- global __helm_comp_results $ results [ 1. . - 2 ]
__helm_debug "Completions are: $__helm_comp_results"
__helm_debug "Directive is: $directive"
if test - z "$directive"
set directive 0
end
set compErr ( math ( math -- scale 0 $ directive / % [ 2 ] d ) % % 2 )
if test $ compErr - eq 1
__helm_debug "Received error directive: aborting."
# Might as well do file completion , in case it helps
set -- global __helm_comp_do_file_comp 1
return 0
end
set nospace ( math ( math -- scale 0 $ directive / % [ 3 ] d ) % % 2 )
set nofiles ( math ( math -- scale 0 $ directive / % [ 4 ] d ) % % 2 )
__helm_debug "nospace: $nospace, nofiles: $nofiles"
// In case the user renamed the helm binary (e.g., to be able to run
// both helm2 and helm3), we hook the new binary name to the completion function
# Important not to quote the variable for count to work
if binary := filepath . Base ( os . Args [ 0 ] ) ; binary != "helm" {
set numComps ( count $ __helm_comp_results )
renamedBinaryHook := `
__helm_debug "numComps: $numComps"
# Hook the binary name used to call the completion command
# to the fish completion functions . This is to handle the
if test $ numComps - eq 1 ; and test $ nospace - ne 0
# case where the user renamed the helm binary
# To support the "nospace" directive we trick the shell
# by outputting an extra , longer completion .
__helm_debug "Adding second completion to perform nospace directive"
set -- append __helm_comp_results $ __helm_comp_results [ 1 ] .
end
if test $ numComps - eq 0 ; and test $ nofiles - eq 0
__helm_debug "Requesting file completion"
set -- global __helm_comp_do_file_comp 1
end
# 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 __helm_comp_do_file_comp )
end
` , compCmd , completion . BashCompDirectiveError , completion . BashCompDirectiveNoSpace , completion . BashCompDirectiveNoFileComp )
completeCmds := `
# Remove any pre - existing helm completions since we will be handling all of them
complete - c % [ 1 ] s - e complete - c % [ 1 ] s - e
# The order in which the below two lines are defined is very important so that __helm_comp_prepare
# is called first . It is __helm_comp_prepare that sets up the __helm_comp_do_file_comp variable .
#
# This completion will be run second as complete commands are added FILO .
# It triggers file completion choices when __helm_comp_do_file_comp is set .
complete - c % [ 1 ] s - n ' set -- query __helm_comp_do_file_comp ' complete - c % [ 1 ] s - n ' set -- query __helm_comp_do_file_comp '
# This completion will be run first as complete commands are added FILO .
# The call to __helm_comp_prepare will setup both __helm_comp_results abd __helm_comp_do_file_comp .
# It provides the program ' s completion choices .
complete - c % [ 1 ] s - n ' __helm_comp_prepare ' - f - a ' $ __helm_comp_results ' complete - c % [ 1 ] s - n ' __helm_comp_prepare ' - f - a ' $ __helm_comp_results '
` `
out . Write ( [ ] byte ( fishScript ) )
fmt . Fprintf ( out , renamedBinaryHook , binary )
out . Write ( [ ] byte ( fmt . Sprintf ( completeCmds , "helm" ) ) )
// In case the user renamed the helm binary (e.g., to be able to run
// both helm2 and helm3), we hook the new binary name to the completion function
if binary := filepath . Base ( os . Args [ 0 ] ) ; binary != "helm" {
out . Write ( [ ] byte ( fmt . Sprintf ( completeCmds , binary ) ) )
}
}
return nil
return err
} }
Marc Khouzam
6 years ago