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# Copyright (C) 2013-2019 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
all::

RSYNC = rsync
RSYNC_DEST = public-inbox.org:/srv/public-inbox/
docs := README COPYING INSTALL TODO HACKING
docs += $(shell git ls-files 'Documentation/*.txt')
INSTALL = install
PODMAN = pod2man
PODMAN_OPTS = -v --stderr -d 1993-10-02 -c 'public-inbox user manual'
PODMAN_OPTS += -r public-inbox.git
podman = $(PODMAN) $(PODMAN_OPTS)
PODTEXT = pod2text
PODTEXT_OPTS = --stderr
podtext = $(PODTEXT) $(PODTEXT_OPTS)

# MakeMaker only seems to support manpage sections 1 and 3...
m1 =
m1 += public-inbox-mda
m1 += public-inbox-httpd
m1 += public-inbox-nntpd
m1 += public-inbox-watch
m1 += public-inbox-index
m5 =
m5 += public-inbox-config
m5 += public-inbox-v1-format
m5 += public-inbox-v2-format
m7 =
m7 += public-inbox-overview
m8 =
m8 += public-inbox-daemon

man1 := $(addsuffix .1, $(m1))
man5 := $(addsuffix .5, $(m5))
man7 := $(addsuffix .7, $(m7))
man8 := $(addsuffix .8, $(m8))

all:: man html

man: $(man1) $(man5) $(man7) $(man8)

prefix ?= $(PREFIX)
prefix ?= $(HOME)
mandir ?= $(prefix)/share/man
man1dir = $(mandir)/man1
man5dir = $(mandir)/man5
man7dir = $(mandir)/man7
man8dir = $(mandir)/man8

install-man: man
	$(INSTALL) -d -m 755 $(DESTDIR)$(man1dir)
	$(INSTALL) -d -m 755 $(DESTDIR)$(man5dir)
	$(INSTALL) -d -m 755 $(DESTDIR)$(man7dir)
	$(INSTALL) -d -m 755 $(DESTDIR)$(man8dir)
	$(INSTALL) -m 644 $(man1) $(DESTDIR)$(man1dir)
	$(INSTALL) -m 644 $(man5) $(DESTDIR)$(man5dir)
	$(INSTALL) -m 644 $(man7) $(DESTDIR)$(man7dir)
	$(INSTALL) -m 644 $(man8) $(DESTDIR)$(man8dir)

doc_install :: install-man

%.1 %.5 %.7 %.8 : Documentation/%.pod
	$(podman) -s $(subst .,,$(suffix $@)) $< $@+ && mv $@+ $@

manuals :=
manuals += $(m1)
manuals += $(m5)
manuals += $(m7)
manuals += $(m8)

mantxt = $(addprefix Documentation/, $(addsuffix .txt, $(manuals)))
docs += $(mantxt)

all :: $(mantxt)

Documentation/%.txt : Documentation/%.pod
	$(podtext) $< $@+ && mv $@+ $@

txt2pre = $(PERL) -I lib ./Documentation/txt2pre <$< >$@+ && \
	touch -r $< $@+ && mv $@+ $@
txt := INSTALL README COPYING TODO
dtxt := design_notes.txt design_www.txt dc-dlvr-spam-flow.txt hosted.txt
dtxt += standards.txt
dtxt := $(addprefix Documentation/, $(dtxt)) $(mantxt)

Documentation/standards.txt : Documentation/standards.perl
	$(PERL) $< >$@+ && mv $@+ $@

%.html: %.txt
	TITLE="$(basename $(<F))" $(txt2pre)
%.html: %
	$(txt2pre)

docs_html := $(addsuffix .html, $(subst .txt,,$(dtxt)) $(txt))
html: $(docs_html)
gz_docs := $(addsuffix .gz, $(docs) $(docs_html))
rsync_docs := $(gz_docs) $(docs) $(txt) $(docs_html) $(dtxt)
%.gz: %
	gzip -9 --rsyncable <$< >$@+
	touch -r $< $@+
	mv $@+ $@

gz-doc: $(gz_docs)
rsync-doc:
	git set-file-times $(docs) $(txt)
	$(MAKE) gz-doc
	$(RSYNC) --chmod=Fugo=r -av $(rsync_docs) $(RSYNC_DEST)
clean-doc:
	$(RM) $(man1) $(man5) $(man7) $(gz_docs) $(docs_html) $(mantxt)

clean :: clean-doc