bash-it/completion/available/makefile.completion.bash

46 lines
1.3 KiB
Bash

# shellcheck shell=bash
# Bash completion for Makefile
# Loosely adapted from http://stackoverflow.com/a/38415982/1472048
function _makecomplete()
{
############ STACK_TRACE_BUILDER #####################
Function_Name="${FUNCNAME[0]}"
Function_PATH="${Function_PATH}/${Function_Name}"
######################################################
COMPREPLY=()
# https://www.gnu.org/software/make/manual/html_node/Makefile-Names.html
local files=()
for f in 'GNUmakefile' 'makefile' 'Makefile' ; do
[ -f "$f" ] && files+=("$f")
done
[ "${#files[@]}" -eq 0 ] && return 0
# collect all targets
local targets=()
for f in "${files[@]}" ; do
while IFS='' read -r line ; do
targets+=("$line")
done < <(grep -E -o '^[a-zA-Z0-9_-]+:([^=]|$)' "$f" | cut -d':' -f1)
done
[ "${#targets[@]}" -eq 0 ] && return 0
# use the targets for completion
while IFS='' read -r line ; do
COMPREPLY+=("$line")
done < <(compgen -W "$(tr ' ' '\n' <<<"${targets[@]}" | sort -u)" -- "${COMP_WORDS[COMP_CWORD]}")
return 0
############### Stack_TRACE_BUILDER ################
Function_PATH="$( dirname ${Function_PATH} )"
####################################################
}
complete -o nospace -F _makecomplete make
complete -o nospace -F _makecomplete gnumake