106 lines
4.8 KiB
Makefile
106 lines
4.8 KiB
Makefile
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# Inspired from
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# https://github.com/Mischback/django-calingen/blob/3f0e6db6/Makefile
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# and https://gist.github.com/klmr/575726c7e05d8780505a
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# fancy colors
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cyan := "$$(tput setaf 6)"
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green := "$$(tput setaf 2)"
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red := "$$(tput setaf 1)"
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yel := "$$(tput setaf 3)"
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gray := "$$(tput setaf 8)"
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grayb := "$$(printf "\033[1m"; tput setaf 8)"
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end := "$$(tput sgr0)"
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TARGET_STYLED_HELP_NAME = "$(cyan)TARGET$(end)"
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ARGUMENTS_HELP_NAME = "$(green)ARGUMENT$(end)=$(red)VALUE$(end)"
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# This mountrous sed is compatible with both GNU sed and BSD sed (for macOS).
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# That's why "-E", "|", "+", "\s", "?", and "\t" aren't used. See the details
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# about BSD sed vs. GNU sed: https://riptutorial.com/sed/topic/9436
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target_regex := [a-zA-Z0-9%_\/%-][a-zA-Z0-9%_\/%-]*
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variable_regex := [^:= ][^:= ]*
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variable_assignment_regex := [ ]*:*[+:!\?]*= *
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value_regex := .*
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category_annotation_regex := @category *
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category_regex := [^<][^<]*
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# We first parse and markup with these ad-hoc tags, and then we turn the markup
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# into a colorful output.
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target_tag_start := <target-definition>
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target_tag_end := </target-definition>
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target_variable_tag_start := <target-variable>
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target_variable_tag_end := </target-variable>
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variable_tag_start := <variable>
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variable_tag_end := </variable>
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global_variable_tag_start := <global-variable>
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global_variable_tag_end := </global-variable>
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value_tag_start := <value>
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value_tag_end := </value>
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prerequisites_tag_start := <prerequisites>
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prerequisites_tag_end := </prerequisites>
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doc_tag_start := <doc>
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doc_tag_indented_start := <doc-indent>
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doc_tag_indented_end := </doc-indent>
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doc_tag_end := </doc>
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category_tag_start := <category-other>
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category_tag_end := </category-other>
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default_category_tag_start := <category-default>
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default_category_tag_end := </category-default>
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DEFAULT_CATEGORY = General
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.DEFAULT_GOAL := help
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.PHONY: help
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help:
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@echo "Usage: make [$(TARGET_STYLED_HELP_NAME) [$(TARGET_STYLED_HELP_NAME) ...]] [$(ARGUMENTS_HELP_NAME) [$(ARGUMENTS_HELP_NAME) ...]]"
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@cat ${MAKEFILE_LIST} \
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| tr '\t' ' ' \
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| sed -n -e "/^## / { \
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h; \
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s/.*/##/; \
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:doc" \
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-e "H; \
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n; \
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s|^## *\(.*\)|$(doc_tag_start)$(doc_tag_indented_start)\1$(doc_tag_indented_end)$(doc_tag_end)|; \
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s|^## *\(.*\)|$(doc_tag_start)\1$(doc_tag_end)|; \
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t doc" \
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-e "s| *#[^#].*||; " \
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-e "s|^\(define *\)\($(variable_regex)\)$(variable_assignment_regex)\($(value_regex)\)|$(global_variable_tag_start)\2$(global_variable_tag_end)$(value_tag_start)\3$(value_tag_end)|;" \
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-e "s|^\($(variable_regex)\)$(variable_assignment_regex)\($(value_regex)\)|$(global_variable_tag_start)\1$(global_variable_tag_end)$(value_tag_start)\2$(value_tag_end)|;" \
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-e "s|^\($(target_regex)\) *: *\(\($(variable_regex)\)$(variable_assignment_regex)\($(value_regex)\)\)|$(target_variable_tag_start)\1$(target_variable_tag_end)$(variable_tag_start)\3$(variable_tag_end)$(value_tag_start)\4$(value_tag_end)|;" \
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-e "s|^\($(target_regex)\) *: *\($(target_regex)\( *$(target_regex)\)*\) *\(\| *\( *$(target_regex)\)*\)|$(target_tag_start)\1$(target_tag_end)$(prerequisites_tag_start)\2$(prerequisites_tag_end)|;" \
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-e "s|^\($(target_regex)\) *: *\($(target_regex)\( *$(target_regex)\)*\)|$(target_tag_start)\1$(target_tag_end)$(prerequisites_tag_start)\2$(prerequisites_tag_end)|;" \
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-e "s|^\($(target_regex)\) *: *\(\| *\( *$(target_regex)\)*\)|$(target_tag_start)\1$(target_tag_end)|;" \
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-e "s|^\($(target_regex)\) *: *|$(target_tag_start)\1$(target_tag_end)|;" \
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-e " \
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G; \
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s|## *\(.*\) *##|$(doc_tag_start)\1$(doc_tag_end)|; \
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s|\\n||g;" \
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-e "/$(category_annotation_regex)/!s|.*|$(default_category_tag_start)$(DEFAULT_CATEGORY)$(default_category_tag_end)&|" \
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-e "s|^\(.*\)$(doc_tag_start)$(category_annotation_regex)\($(category_regex)\)$(doc_tag_end)|$(category_tag_start)\2$(category_tag_end)\1|" \
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-e "p; \
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}" \
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| sort \
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| sed -n \
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-e "s|$(default_category_tag_start)|$(category_tag_start)|" \
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-e "s|$(default_category_tag_end)|$(category_tag_end)|" \
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-e "{G; s|\($(category_tag_start)$(category_regex)$(category_tag_end)\)\(.*\)\n\1|\2|; s|\n.*||; H; }" \
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-e "s|$(category_tag_start)||" \
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-e "s|$(category_tag_end)|:\n|" \
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-e "s|$(target_variable_tag_start)|$(target_tag_start)|" \
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-e "s|$(target_variable_tag_end)|$(target_tag_end)|" \
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-e "s|$(target_tag_start)| $(cyan)|" \
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-e "s|$(target_tag_end)|$(end) |" \
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-e "s|$(prerequisites_tag_start).*$(prerequisites_tag_end)||" \
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-e "s|$(variable_tag_start)|$(green)|g" \
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-e "s|$(variable_tag_end)|$(end)|" \
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-e "s|$(global_variable_tag_start)| $(green)|g" \
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-e "s|$(global_variable_tag_end)|$(end)|" \
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-e "s|$(value_tag_start)| (default: $(red)|" \
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-e "s|$(value_tag_end)|$(end))|" \
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-e "s|$(doc_tag_indented_start)|$(grayb)|g" \
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-e "s|$(doc_tag_indented_end)|$(end)|g" \
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-e "s|$(doc_tag_start)|\n |g" \
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-e "s|$(doc_tag_end)||g" \
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-e "p"
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