doc/Makefile

run-tests: ignore PermissionError when checking available ports

I'm not sure what this is, but I'm getting it occasionally when running in WSL.
When it was raised, none of the tests could run.

SOURCES=$(notdir $(wildcard ../mercurial/helptext/*.[0-9].txt))
MAN=$(SOURCES:%.txt=%)
HTML=$(SOURCES:%.txt=%.html)
GENDOC=gendoc.py ../mercurial/commands.py ../mercurial/help.py \
	../mercurial/helptext/*.txt ../hgext/*.py ../hgext/*/__init__.py
PREFIX=/usr/local
MANDIR=$(PREFIX)/share/man
INSTALL=install -m 644
# Default to Python 3.
#
# Windows ships Python 3 as `python.exe`, which may not be on PATH.  py.exe is.
ifeq ($(OS),Windows_NT)
PYTHON?=py -3
else
PYTHON?=python3
endif
RSTARGS=

export HGENCODING=UTF-8

all: man html

man: $(MAN)

html: $(HTML)

# This logic is duplicated in setup.py:hgbuilddoc()
common.txt $(SOURCES) $(SOURCES:%.txt=%.gendoc.txt): $(GENDOC)
	${PYTHON} gendoc.py "$(basename $@)" > $@.tmp
	mv $@.tmp $@

%: %.txt %.gendoc.txt common.txt
	$(PYTHON) runrst hgmanpage $(RSTARGS) --halt warning \
	  --strip-elements-with-class htmlonly $*.txt $*

%.html: %.txt %.gendoc.txt common.txt
	$(PYTHON) runrst html $(RSTARGS) --halt warning \
	  --link-stylesheet --stylesheet-path style.css $*.txt $*.html

MANIFEST: man html
# tracked files are already in the main MANIFEST
	$(RM) $@
	for i in $(MAN) $(HTML); do \
	  echo "doc/$$i" >> $@ ; \
	done

install: man
	for i in $(MAN) ; do \
	  subdir=`echo $$i | sed -n 's/^.*\.\([0-9]\)$$/man\1/p'` ; \
	  mkdir -p "$(DESTDIR)$(MANDIR)"/$$subdir ; \
	  $(INSTALL) $$i "$(DESTDIR)$(MANDIR)"/$$subdir ; \
	done

clean:
	$(RM) $(MAN) $(HTML) common.txt $(SOURCES) $(SOURCES:%.txt=%.gendoc.txt) MANIFEST