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completion/alias: `shfmt` && `shellcheck`

pull/2044/head
John D Pell 2022-01-16 10:14:27 -08:00
parent b0f23d8e98
commit d214621d39
1 changed files with 6 additions and 12 deletions
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18
plugins/available/alias-completion.plugin.bash
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@ -3,7 +3,6 @@ about-plugin 'Automatic completion of aliases'
# Load after the other completions to understand what needs to be completed
# BASH_IT_LOAD_PRIORITY: 800
# References:
# http://superuser.com/a/437508/119764
# http://stackoverflow.com/a/1793178/1228454
@ -11,21 +10,16 @@ about-plugin 'Automatic completion of aliases'
# Automatically add completion for all aliases to commands having completion functions
function alias_completion() {
local namespace="alias_completion"
local tmp_file completion_loader alias_name alias_tokens line completions
local tmp_file completion_loader alias_name line completions
local alias_arg_words new_completion compl_func compl_wrapper alias_defn
# parse function based completion definitions, where capture group 2 => function and 3 => trigger
local compl_regex='complete( +[^ ]+)* -F ([^ ]+) ("[^"]+"|[^ ]+)'
# parse alias definitions, where capture group 1 => trigger, 2 => command, 3 => command arguments
local alias_regex="alias( -- | )([^=]+)='(\"[^\"]+\"|[^ ]+)(( +[^ ]+)*)'"
# create array of function completion triggers, keeping multi-word triggers together
IFS=$'\n' read -d '' -ra completions < <(complete -p)
((${#completions[@]} == 0)) && return 0
completions=("${completions[@]##complete -* * -}") # strip all but last option plus trigger(s)
completions=("${completions[@]#complete -}") # strip last option and arg, leaving only trigger(s)
completions=("${completions[@]#? * }") # strip last option and arg, leaving only trigger(s)
completions=("${completions[@]#complete -}") # strip anything missed
completions=("${completions[@]#? * }") # strip last option and arg, leaving only trigger(s)
# create temporary file for wrapper functions and completions
tmp_file="$(mktemp -t "${namespace}-${RANDOM}XXXXXX")" || return 1
@ -38,11 +32,11 @@ function alias_completion() {
while read line; do
line="${line#alias }"
alias_name="${line%%=*}"
alias_defn="${line#*=}" # alias definition
alias_defn="${line#*=}" # alias definition
alias_cmd="${alias_defn%%[[:space:]]*}" # first word of alias
alias_cmd="${alias_cmd:1}" # lose opening quotation mark
alias_cmd="${alias_cmd:1}" # lose opening quotation mark
alias_args="${alias_defn#*[[:space:]]}" # everything after first word
alias_args="${alias_args:0:-1}" # lose ending quotation mark
alias_args="${alias_args%\'}" # lose ending quotation mark
# skip aliases to pipes, boolean control structures and other command lists
[[ "${alias_args}" =~ [\|\&\;\)\(\n] ]] && continue