Makefile

SRC := $(wildcard *.c)
BINS := $(patsubst %.c,%$(SUFFIX),$(SRC))

readme := README.md

peru = .peru/lastimports

emojify_tmpl     := emojify.tmpl
emoji_db         := emoji.db
emoji_shortcodes := emoji.short

all: $(BINS) $(readme)

clean:
	$(RM) $(BINS)
	$(RM) $(readme)

distclean: clean
	$(RM) $(emojify_tmpl)
	$(RM) $(emoji_db)
	$(RM) $(emoji_shortcodes)
	$(RM) emojify

install: all
	./install.sh -Vf

# Generate README.md from 'abstract' tags
#
readme_hdr := readme.header
readme_ext := readme.external

# Base URL for README links
SRCPATH := https://github.com/jbrubake/scripts/blob/master

# Look for 'abstract' in all tracked files except those in $(ignore)
#
# Get contents of .ignore, replace * with % (so patterns work with make)
# and remove newlines (join)
ignore := $(join $(subst *,%,$(file < .ignore)),)
# Unignore source files
ignore := $(filter-out %.c,$(ignore))
# Get list of all files and remove what is in $(ignore)
# Use git ls-files to avoid pulling in untracked binaries
scripts := $(filter-out $(ignore),$(shell git ls-files))

$(readme): peru.yaml $(readme_hdr) $(readme_ext) $(scripts)
	> $@

	cat $(readme_hdr) >> $@
	./mkreadme.awk -v base_url=$(SRCPATH) $(filter-out $< $(readme_hdr) $(readme_ext),$^) >> $@
	echo >> $@

	cat $(readme_ext) >> $@
	./mkreadme.awk < $< | sort >> $@
	echo >> $@

emojify: $(emoji_shortcodes) $(emojify_tmpl)
	cat $(emojify_tmpl) | sed -e '/# List generated by/,/^)/!b' -e '/^)/!d;r $<' -e 'd' > $@
	chmod +x $@

$(emoji_shortcodes): $(emoji_db)
	> $@
	echo '# Automatically generated list using data from:' >> $@
	echo '# https://github.com/milesj/emojibase' >> $@
	echo 'declare -A emojis=(' >> $@

	< $< jq -r 'keys[] as $$k | "[\":\([.[$$k]] | flatten | .[]):\"]=\"\\U\($$k)\""' | sed 's/-/\\U/g' >> $@

	echo ')' >> $@

$(emoji_db) $(emojify_tmpl):
	peru sync

$(peru): peru.yaml
	peru sync
	# peru sync does not set mtime
	touch $@