-include ../../config.mak.autogen
-include ../../config.mak

prefix ?= /usr/local
mandir ?= $(prefix)/share/man
gitexecdir ?= $(prefix)/libexec/git-core
man1dir ?= $(mandir)/man1

../../GIT-VERSION-FILE: FORCE
	$(MAKE) -C ../../ GIT-VERSION-FILE

-include ../../GIT-VERSION-FILE

# this should be set to a 'standard' bsd-type install program
INSTALL  ?= install
RM       ?= rm -f

ASCIIDOC = asciidoc
XMLTO    = xmlto

ifndef SHELL_PATH
	SHELL_PATH = /bin/sh
endif
SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))

ASCIIDOC_CONF = ../../Documentation/asciidoc.conf
MANPAGE_XSL   = ../../Documentation/manpage-normal.xsl

GIT_SUBTREE_SH := git-subtree.sh
GIT_SUBTREE    := git-subtree

GIT_SUBTREE_DOC := git-subtree.1
GIT_SUBTREE_XML := git-subtree.xml
GIT_SUBTREE_TXT := git-subtree.txt
GIT_SUBTREE_HTML := git-subtree.html

all: $(GIT_SUBTREE)

$(GIT_SUBTREE): $(GIT_SUBTREE_SH)
	sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' $< >$@
	chmod +x $@

doc: $(GIT_SUBTREE_DOC) $(GIT_SUBTREE_HTML)

install: $(GIT_SUBTREE)
	$(INSTALL) -d -m 755 $(DESTDIR)$(gitexecdir)
	$(INSTALL) -m 755 $(GIT_SUBTREE) $(DESTDIR)$(gitexecdir)

install-doc: install-man

install-man: $(GIT_SUBTREE_DOC)
	$(INSTALL) -d -m 755 $(DESTDIR)$(man1dir)
	$(INSTALL) -m 644 $^ $(DESTDIR)$(man1dir)

$(GIT_SUBTREE_DOC): $(GIT_SUBTREE_XML)
	$(XMLTO) -m $(MANPAGE_XSL) man $^

$(GIT_SUBTREE_XML): $(GIT_SUBTREE_TXT)
	$(ASCIIDOC) -b docbook -d manpage -f $(ASCIIDOC_CONF) \
		-agit_version=$(GIT_VERSION) $^

$(GIT_SUBTREE_HTML): $(GIT_SUBTREE_TXT)
	$(ASCIIDOC) -b xhtml11 -d manpage -f $(ASCIIDOC_CONF) \
		-agit_version=$(GIT_VERSION) $^

test:
	$(MAKE) -C t/ test

clean:
	$(RM) $(GIT_SUBTREE)
	$(RM) *.xml *.html *.1

.PHONY: FORCE