[RFC Patch v2 2/2] doc: add target rst2man to build man pages using rst2man

[David Bremner]

Many people have docutils installed, but not sphinx. Allow these
people to build the man pages.
---
 Makefile                   |  2 +-
 doc/rst2man/Makefile       |  5 +++++
 doc/rst2man/Makefile.local | 28 ++++++++++++++++++++++++++++
 doc/rst2man/prerst2man.py  | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 80 insertions(+), 1 deletion(-)
 create mode 100644 doc/rst2man/Makefile
 create mode 100644 doc/rst2man/Makefile.local
 create mode 100644 doc/rst2man/prerst2man.py

diff --git a/Makefile b/Makefile
index 39f0e62..3c7f0be 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ all:
 # List all subdirectories here. Each contains its own Makefile.local.
 # Use of '=', without '+=', seems to be required for out-of-tree
 # builds to work.
-subdirs = compat completion doc emacs lib man parse-time-string performance-test util test
+subdirs = compat completion doc doc/rst2man emacs lib man parse-time-string performance-test util test
 
 # We make all targets depend on the Makefiles themselves.
 global_deps = Makefile Makefile.config Makefile.local \
diff --git a/doc/rst2man/Makefile b/doc/rst2man/Makefile
new file mode 100644
index 0000000..0a0815d
--- /dev/null
+++ b/doc/rst2man/Makefile
@@ -0,0 +1,5 @@
+all:
+	$(MAKE) -C ../.. all
+
+.DEFAULT:
+	$(MAKE) -C ../.. $@
diff --git a/doc/rst2man/Makefile.local b/doc/rst2man/Makefile.local
new file mode 100644
index 0000000..5bb3e43
--- /dev/null
+++ b/doc/rst2man/Makefile.local
@@ -0,0 +1,28 @@
+# -*- Makefile -*-
+dir := doc/rst2man
+
+prerst2man := python $(dir)/prerst2man.py $(dir)/.. $(dir)
+
+MANSRC := $(dir)/notmuch.1 $(dir)/notmuch-search.1 $(dir)/notmuch-search-terms.7
+
+%.1 : %.rst
+	rst2man $< > $@
+
+%.7: %.rst
+	rst2man $< > $@
+
+# preprocessed source files suitable for rst2man
+RST2MANSRC := $(dir)/notmuch.rst $(dir)/notmuch-search.rst $(dir)/notmuch-search-terms.rst
+
+# actual source files
+
+RSTSRC := $(patsubst ${dir}/%,$(dir)/../%,${RST2MANSRC})
+
+RSTMANSRC := $(patsubst %.rst,%.1,${RST2MANSRC})
+
+rst2man: ${MANSRC}
+
+${RST2MANSRC}: ${RSTSRC}
+	$(prerst2man)
+
+CLEAN := ${CLEAN} ${RST2MANSRC} ${MANSRC}
diff --git a/doc/rst2man/prerst2man.py b/doc/rst2man/prerst2man.py
new file mode 100644
index 0000000..4222f11
--- /dev/null
+++ b/doc/rst2man/prerst2man.py
@@ -0,0 +1,46 @@
+from sys import argv
+from datetime import date
+import re
+
+sourcedir=argv[1]
+outdir=argv[2]
+
+execfile(sourcedir+"/conf.py");
+
+def header(file,startdocname, command, description, authors, section):
+    file.write("""
+---------------------------------------------
+{:s}
+---------------------------------------------
+
+:Date:   {:s}
+:Version: {:s}
+:Manual section: {:d}
+:Manual group: {:s}
+
+""".format(description,date.today().isoformat(),release,section,project))
+
+blankre = re.compile("^\s*$")
+for page in man_pages:
+    outfile = open(outdir+"/"+page[0]+'.rst','w')
+    infile = open(sourcedir+"/"+page[0]+".rst",'r')
+
+
+    # this is a crude hack. We look for the first blank line, and
+    # insert the rst2man header there.
+    #
+    # XXX consider really parsing input
+
+    count=0
+    lines = infile.readlines()
+    for line in lines:
+        outfile.write(line);
+        if (blankre.match(line)):
+            break
+        count = count + 1
+
+    del lines[0:count+1]
+
+    header(outfile,*page)
+
+    outfile.write("".join(lines))
-- 
1.8.5.2