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takeokunn committed Nov 3, 2023
1 parent b31cb02 commit fdbd5f9
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1 change: 1 addition & 0 deletions modules/fish/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,7 @@ $(FISH_COMPLETION_DIR):
ln -sf $(SELF_FISH_DIR)/completions/shellcheck.fish $(FISH_COMPLETION_DIR)/shellcheck.fish
ln -sf $(SELF_FISH_DIR)/completions/skylark.fish $(FISH_COMPLETION_DIR)/skylark.fish
ln -sf $(SELF_FISH_DIR)/completions/solc.fish $(FISH_COMPLETION_DIR)/solc.fish
ln -sf $(SELF_FISH_DIR)/completions/tbls.fish $(FISH_COMPLETION_DIR)/tbls.fish
ln -sf $(SELF_FISH_DIR)/completions/terminal-notifier.fish $(FISH_COMPLETION_DIR)/terminal-notifier.fish
ln -sf $(SELF_FISH_DIR)/completions/tfenv.fish $(FISH_COMPLETION_DIR)/tfenv.fish
ln -sf $(SELF_FISH_DIR)/completions/waypoint.fish $(FISH_COMPLETION_DIR)/waypoint.fish
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235 changes: 235 additions & 0 deletions modules/fish/completions/tbls.fish
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@@ -0,0 +1,235 @@
# fish completion for tbls -*- shell-script -*-

function __tbls_debug
set -l file "$BASH_COMP_DEBUG_FILE"
if test -n "$file"
echo "$argv" >> $file
end
end

function __tbls_perform_completion
__tbls_debug "Starting __tbls_perform_completion"

# 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))

__tbls_debug "args: $args"
__tbls_debug "last arg: $lastArg"

# Disable ActiveHelp which is not supported for fish shell
set -l requestComp "TBLS_ACTIVE_HELP=0 $args[1] __complete $args[2..-1] $lastArg"

__tbls_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
end

set -l comps $results[1..-2]
set -l 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")

__tbls_debug "Comps: $comps"
__tbls_debug "DirectiveLine: $directiveLine"
__tbls_debug "flagPrefix: $flagPrefix"

for comp in $comps
printf "%s%s\n" "$flagPrefix" "$comp"
end

printf "%s\n" "$directiveLine"
end

# this function limits calls to __tbls_perform_completion, by caching the result behind $__tbls_perform_completion_once_result
function __tbls_perform_completion_once
__tbls_debug "Starting __tbls_perform_completion_once"

if test -n "$__tbls_perform_completion_once_result"
__tbls_debug "Seems like a valid result already exists, skipping __tbls_perform_completion"
return 0
end

set --global __tbls_perform_completion_once_result (__tbls_perform_completion)
if test -z "$__tbls_perform_completion_once_result"
__tbls_debug "No completions, probably due to a failure"
return 1
end

__tbls_debug "Performed completions and set __tbls_perform_completion_once_result"
return 0
end

# this function is used to clear the $__tbls_perform_completion_once_result variable after completions are run
function __tbls_clear_perform_completion_once_result
__tbls_debug ""
__tbls_debug "========= clearing previously set __tbls_perform_completion_once_result variable =========="
set --erase __tbls_perform_completion_once_result
__tbls_debug "Succesfully erased the variable __tbls_perform_completion_once_result"
end

function __tbls_requires_order_preservation
__tbls_debug ""
__tbls_debug "========= checking if order preservation is required =========="

__tbls_perform_completion_once
if test -z "$__tbls_perform_completion_once_result"
__tbls_debug "Error determining if order preservation is required"
return 1
end

set -l directive (string sub --start 2 $__tbls_perform_completion_once_result[-1])
__tbls_debug "Directive is: $directive"

set -l shellCompDirectiveKeepOrder 32
set -l keeporder (math (math --scale 0 $directive / $shellCompDirectiveKeepOrder) % 2)
__tbls_debug "Keeporder is: $keeporder"

if test $keeporder -ne 0
__tbls_debug "This does require order preservation"
return 0
end

__tbls_debug "This doesn't require order preservation"
return 1
end


# This function does two things:
# - Obtain the completions and store them in the global __tbls_comp_results
# - Return false if file completion should be performed
function __tbls_prepare_completions
__tbls_debug ""
__tbls_debug "========= starting completion logic =========="

# Start fresh
set --erase __tbls_comp_results

__tbls_perform_completion_once
__tbls_debug "Completion results: $__tbls_perform_completion_once_result"

if test -z "$__tbls_perform_completion_once_result"
__tbls_debug "No completion, probably due to a failure"
# Might as well do file completion, in case it helps
return 1
end

set -l directive (string sub --start 2 $__tbls_perform_completion_once_result[-1])
set --global __tbls_comp_results $__tbls_perform_completion_once_result[1..-2]

__tbls_debug "Completions are: $__tbls_comp_results"
__tbls_debug "Directive is: $directive"

set -l shellCompDirectiveError 1
set -l shellCompDirectiveNoSpace 2
set -l shellCompDirectiveNoFileComp 4
set -l shellCompDirectiveFilterFileExt 8
set -l shellCompDirectiveFilterDirs 16

if test -z "$directive"
set directive 0
end

set -l compErr (math (math --scale 0 $directive / $shellCompDirectiveError) % 2)
if test $compErr -eq 1
__tbls_debug "Received error directive: aborting."
# Might as well do file completion, in case it helps
return 1
end

set -l filefilter (math (math --scale 0 $directive / $shellCompDirectiveFilterFileExt) % 2)
set -l dirfilter (math (math --scale 0 $directive / $shellCompDirectiveFilterDirs) % 2)
if test $filefilter -eq 1; or test $dirfilter -eq 1
__tbls_debug "File extension filtering or directory filtering not supported"
# Do full file completion instead
return 1
end

set -l nospace (math (math --scale 0 $directive / $shellCompDirectiveNoSpace) % 2)
set -l nofiles (math (math --scale 0 $directive / $shellCompDirectiveNoFileComp) % 2)

__tbls_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)
__tbls_debug "prefix: $prefix"

set -l completions (string match -r -- "^$prefix.*" $__tbls_comp_results)
set --global __tbls_comp_results $completions
__tbls_debug "Filtered completions are: $__tbls_comp_results"

# Important not to quote the variable for count to work
set -l numComps (count $__tbls_comp_results)
__tbls_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 $__tbls_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.
__tbls_debug "Adding second completion to perform nospace directive"
set --global __tbls_comp_results $split[1] $split[1].
__tbls_debug "Completions are now: $__tbls_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
__tbls_debug "Requesting file completion"
return 1
end
end

return 0
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 "tbls"
# 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 "tbls " > /dev/null 2>&1
end

# Remove any pre-existing completions for the program since we will be handling all of them.
complete -c tbls -e

# this will get called after the two calls below and clear the $__tbls_perform_completion_once_result global
complete -c tbls -n '__tbls_clear_perform_completion_once_result'
# The call to __tbls_prepare_completions will setup __tbls_comp_results
# which provides the program's completion choices.
# If this doesn't require order preservation, we don't use the -k flag
complete -c tbls -n 'not __tbls_requires_order_preservation && __tbls_prepare_completions' -f -a '$__tbls_comp_results'
# otherwise we use the -k flag
complete -k -c tbls -n '__tbls_requires_order_preservation && __tbls_prepare_completions' -f -a '$__tbls_comp_results'
2 changes: 2 additions & 0 deletions modules/git/dot.gitignore
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Expand Up @@ -12,3 +12,5 @@ phpactor.log
.metals/
rector.private.php
.tool-versions
.tbls.private.yml
dbdoc-private/

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