subtree: honour USE_ASCIIDOCTOR when set

Defining USE_ASCIIDOCTOR=1 when building Git uses asciidoctor over asciidoc when generating DocBook and man page documentation. However, the contrib/subtree module does not presently honour that flag. This causes a build failure when asciidoc is not present on the build system. Instead, adapt the main Documentation/Makefile logic to use asciidoctor when requested. Signed-off-by: A. Wilcox <AWilcox@Wilcox-Tech.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

A. Wilcox committed Jun 27, 2017 at 21:49 UTC fdc1ad97c1fc31cb276a37c2e63ed88716b76269
1 file changed +19 -7
contrib/subtree/Makefile
+19 -7
@@ -19,15 +19,27 @@ htmldir ?= $(prefix)/share/doc/git-doc
19 INSTALL ?= install
20 RM ?= rm -f
21
22 -ASCIIDOC = asciidoc
23 -XMLTO = xmlto
22 +ASCIIDOC = asciidoc
23 +ASCIIDOC_CONF = -f ../../Documentation/asciidoc.conf
24 +ASCIIDOC_HTML = xhtml11
25 +ASCIIDOC_DOCBOOK = docbook
26 +ASCIIDOC_EXTRA =
27 +XMLTO = xmlto
28 +
29 +ifdef USE_ASCIIDOCTOR
30 +ASCIIDOC = asciidoctor
31 +ASCIIDOC_CONF =
32 +ASCIIDOC_HTML = xhtml5
33 +ASCIIDOC_DOCBOOK = docbook45
34 +ASCIIDOC_EXTRA += -I../../Documentation -rasciidoctor-extensions
35 +ASCIIDOC_EXTRA += -alitdd='&\#x2d;&\#x2d;'
36 +endif
37
38 ifndef SHELL_PATH
39 SHELL_PATH = /bin/sh
40 endif
41 SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
42
30 -ASCIIDOC_CONF = ../../Documentation/asciidoc.conf
43 MANPAGE_XSL = ../../Documentation/manpage-normal.xsl
44
45 GIT_SUBTREE_SH := git-subtree.sh
@@ -65,12 +77,12 @@ $(GIT_SUBTREE_DOC): $(GIT_SUBTREE_XML)
77 $(XMLTO) -m $(MANPAGE_XSL) man $^
78
79 $(GIT_SUBTREE_XML): $(GIT_SUBTREE_TXT)
68 - $(ASCIIDOC) -b docbook -d manpage -f $(ASCIIDOC_CONF) \
69 - -agit_version=$(GIT_VERSION) $^
80 + $(ASCIIDOC) -b $(ASCIIDOC_DOCBOOK) -d manpage $(ASCIIDOC_CONF) \
81 + -agit_version=$(GIT_VERSION) $(ASCIIDOC_EXTRA) $^
82
83 $(GIT_SUBTREE_HTML): $(GIT_SUBTREE_TXT)
72 - $(ASCIIDOC) -b xhtml11 -d manpage -f $(ASCIIDOC_CONF) \
73 - -agit_version=$(GIT_VERSION) $^
84 + $(ASCIIDOC) -b $(ASCIIDOC_HTML) -d manpage $(ASCIIDOC_CONF) \
85 + -agit_version=$(GIT_VERSION) $(ASCIIDOC_EXTRA) $^
86
87 $(GIT_SUBTREE_TEST): $(GIT_SUBTREE)
88 cp $< $@