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|
# Bash completion for "crystal" command.
# Written by Sergey Potapov <blake131313@gmail.com>.
# Return list of options, that match $pattern
_crystal_compgen_options(){
local options=$1
local pattern=$2
while IFS=$' \n' read -r line; do
COMPREPLY+=("$line")
done < <(compgen -W "${options}" -- "${pattern}")
}
# Return list of crystal sources or directories, that match $pattern
_crystal_compgen_sources(){
local pattern=$1
type compopt &> /dev/null && compopt -o filenames
while IFS=$'\n' read -r line; do
COMPREPLY+=("$line")
done < <(compgen -f -o plusdirs -X '!*.cr' -- "${pattern}")
}
# Return list of files or directories, that match $pattern (the default action)
_crystal_compgen_files(){
local pattern=$1
type compopt &> /dev/null && compopt -o filenames
while IFS=$'\n' read -r line; do
COMPREPLY+=("$line")
done < <(compgen -o default -- "${pattern}")
}
_crystal()
{
local IFS=$' \n'
local program=${COMP_WORDS[0]}
local cmd=${COMP_WORDS[1]}
local cur="${COMP_WORDS[COMP_CWORD]}"
local prev="${COMP_WORDS[COMP_CWORD-1]}"
COMPREPLY=()
commands="init build clear_cache docs eval play run spec tool help version --help --version"
case "${cmd}" in
init)
if [[ "${prev}" == "init" ]] ; then
local opts="app lib"
_crystal_compgen_options "${opts}" "${cur}"
else
_crystal_compgen_files "${cur}"
fi
;;
build)
if [[ "${cur}" == -* ]] ; then
local opts="--cross-compile --debug --emit --error-on-warnings --exclude-warnings --ll --link-flags --mcpu --no-color --no-codegen --output --prelude --release --single-module --threads --target --verbose --warnings --x86-asm-syntax --help"
_crystal_compgen_options "${opts}" "${cur}"
else
_crystal_compgen_sources "${cur}"
fi
;;
run)
if [[ "${cur}" == -* ]] ; then
local opts="--debug --define --emit --error-on-warnings --exclude-warnings --format --help --ll --link-flags --mcpu --no-color --no-codegen --output --prelude --release --stats --single-module --threads --verbose --warnings --x86-asm-syntax"
_crystal_compgen_options "${opts}" "${cur}"
else
_crystal_compgen_sources "${cur}"
fi
;;
tool)
if [[ "${cur}" == -* ]] ; then
local opts="--no-color --prelude --define --format --cursor"
_crystal_compgen_options "${opts}" "${cur}"
else
if [[ "${prev}" == "tool" ]] ; then
local subcommands="context dependencies expand flags format hierarchy implementations macro_code_coverage types unreachable"
_crystal_compgen_options "${subcommands}" "${cur}"
else
_crystal_compgen_sources "${cur}"
fi
fi
;;
play)
if [[ ${cur} == -* ]] ; then
local opts="--port --binding --verbose --help"
_crystal_compgen_options "${opts}" "${cur}"
else
_crystal_compgen_sources "${cur}"
fi
;;
clear_cache|docs|eval|spec|version|help)
# These commands do not accept any options nor subcommands
_crystal_compgen_files "${cur}"
;;
*)
# When any of subcommands matches directly
if [[ "${prev}" == "${program}" && $(compgen -W "${commands}" -- "${cur}") ]] ; then
_crystal_compgen_options "${commands}" "${cur}"
else
_crystal_compgen_sources "${cur}"
fi
esac
return 0
}
complete -F _crystal crystal
|
