upstream/mercurial-mirror Files · contrib/Makefile.python

branchcache: stop writing more branchcache file on disk than needed...

branchcache: stop writing more branchcache file on disk than needed Before this change, we were unconditionally writing a branchmap file for the filter level passed to `update_disk`. This is actually counter productive if no update were needed for this filter level. In many case, the branch cache for a filter level is identical to its parent "subset" and it is better to simply keep the subset update and reuse it every time instead of having to do identical work for similar subset. So we change the `update_disk` method to only write a file when that filter level differ from its parent. This removes many cases where identical files were written, requiring multiple boring update in the test suite. The only notable changes is the change to `test-strip-branch-cache.t`, this case was checking a scenario that no longer reproduce the bug as writing less branchmap file result in less stalled cache on disk. Strictly speaking, we could create a more convoluted scenario that create a similar issue. However the next changeset would also cover that scenario so we directly updated that test case to a "no longer buggy" state.

Antonio Muci - - Load All Authors

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      PYTHONVER=2.7.16

      PYTHONNAME=python-

      PREFIX=$(HOME)/bin/prefix-$(PYTHONNAME)$(PYTHONVER)

      SYMLINKDIR=$(HOME)/bin

      help:

      	@echo

      	@echo 'Make a custom installation of a Python version'

      	@echo

      	@echo 'Common make parameters:'

      	@echo '  PYTHONVER=...    [$(PYTHONVER)]'

      	@echo '  PREFIX=...       [$(PREFIX)]'

      	@echo '  SYMLINKDIR=...   [$(SYMLINKDIR) creating $(PYTHONNAME)$(PYTHONVER)]'

      	@echo

      	@echo 'Common make targets:'

      	@echo '  python    - install Python $$PYTHONVER in $$PREFIX'

      	@echo '  symlink   - create a $$SYMLINKDIR/$(PYTHONNAME)$$PYTHONVER symlink'

      	@echo

      	@echo 'Example: create a temporary Python installation:'

      	@echo '  $$ make -f Makefile.python python PYTHONVER=${PYTHONVER} PREFIX=/tmp/p27'

      	@echo '  $$ /tmp/p27/bin/python -V'

      	@echo '  Python 2.7'

      	@echo

      	@echo 'Some external libraries are required for building Python: zlib bzip2 openssl.'

      	@echo 'Make sure their development packages are installed systemwide.'

      # fedora: yum install zlib-devel bzip2-devel openssl-devel

      # debian: apt-get install zlib1g-dev libbz2-dev libssl-dev

      	@echo

      	@echo 'To build a nice collection of interesting Python versions:'

      	@echo '  $$ for v in 2.{6{,.1,.2,.9},7{,.8,.10}}; do'

      	@echo '    make -f Makefile.python symlink PYTHONVER=$$v || break; done'

      	@echo 'To run a Mercurial test on all these Python versions:'

      	@echo '  $$ for py in `cd ~/bin && ls $(PYTHONNAME)2.*`; do'

      	@echo '    echo $$py; $$py run-tests.py test-http.t; echo; done'

      	@echo

      export LANGUAGE=C

      export LC_ALL=C

      python: $(PREFIX)/bin/python docutils

      	printf 'import sys, zlib, bz2, docutils, ssl' | $(PREFIX)/bin/python

      PYTHON_SRCDIR=Python-$(PYTHONVER)

      PYTHON_SRCFILE=$(PYTHON_SRCDIR).tgz

      $(PREFIX)/bin/python:

      	[ -f $(PYTHON_SRCFILE) ] || wget http://www.python.org/ftp/python/$(PYTHONVER)/$(PYTHON_SRCFILE) || curl -OL http://www.python.org/ftp/python/$(PYTHONVER)/$(PYTHON_SRCFILE) || [ -f $(PYTHON_SRCFILE) ]

      	rm -rf $(PYTHON_SRCDIR)

      	tar xf $(PYTHON_SRCFILE)

      	# Debian/Ubuntu disables SSLv2,3 the hard way, disable it on old Pythons too

      	-sed -i 's,self.*SSLv[23]_method(),0;//\0,g' $(PYTHON_SRCDIR)/Modules/_ssl.c

      	# Find multiarch system libraries on Ubuntu and disable fortify error when setting argv

      	LDFLAGS="-L/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH`"; \

      	BASECFLAGS=-U_FORTIFY_SOURCE; \

      	export LDFLAGS BASECFLAGS; \

      	cd $(PYTHON_SRCDIR) && ./configure --prefix=$(PREFIX) && make all SVNVERSION=pwd && make install

      	printf 'import sys, zlib, bz2, ssl' | $(PREFIX)/bin/python

      	rm -rf $(PYTHON_SRCDIR)

      DOCUTILSVER=0.12

      DOCUTILS_SRCDIR=docutils-$(DOCUTILSVER)

      DOCUTILS_SRCFILE=$(DOCUTILS_SRCDIR).tar.gz

      docutils: $(PREFIX)/bin/python

      	@$(PREFIX)/bin/python -c 'import docutils' || ( set -ex; \

      	[ -f $(DOCUTILS_SRCFILE) ] || wget http://downloads.sourceforge.net/project/docutils/docutils/$(DOCUTILSVER)/$(DOCUTILS_SRCFILE) || [ -f $(DOCUTILS_SRCFILE) ]; \

      	rm -rf $(DOCUTILS_SRCDIR); \

      	tar xf $(DOCUTILS_SRCFILE); \

      	cd $(DOCUTILS_SRCDIR) && $(PREFIX)/bin/python setup.py install --prefix=$(PREFIX); \

      	$(PREFIX)/bin/python -c 'import docutils'; \

      	rm -rf $(DOCUTILS_SRCDIR); )

      symlink: python $(SYMLINKDIR)

      	ln -sf $(PREFIX)/bin/python $(SYMLINKDIR)/$(PYTHONNAME)$(PYTHONVER)

      .PHONY: help python docutils symlink

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				PYTHONVER=2.7.16
				PYTHONNAME=python-
				PREFIX=$(HOME)/bin/prefix-$(PYTHONNAME)$(PYTHONVER)
				SYMLINKDIR=$(HOME)/bin

				help:
				@echo
				@echo 'Make a custom installation of a Python version'
				@echo
				@echo 'Common make parameters:'
				@echo ' PYTHONVER=... [$(PYTHONVER)]'
				@echo ' PREFIX=... [$(PREFIX)]'
				@echo ' SYMLINKDIR=... [$(SYMLINKDIR) creating $(PYTHONNAME)$(PYTHONVER)]'
				@echo
				@echo 'Common make targets:'
				@echo ' python - install Python $$PYTHONVER in $$PREFIX'
				@echo ' symlink - create a $$SYMLINKDIR/$(PYTHONNAME)$$PYTHONVER symlink'
				@echo
				@echo 'Example: create a temporary Python installation:'
				@echo ' $$ make -f Makefile.python python PYTHONVER=${PYTHONVER} PREFIX=/tmp/p27'
				@echo ' $$ /tmp/p27/bin/python -V'
				@echo ' Python 2.7'
				@echo
				@echo 'Some external libraries are required for building Python: zlib bzip2 openssl.'
				@echo 'Make sure their development packages are installed systemwide.'
				# fedora: yum install zlib-devel bzip2-devel openssl-devel
				# debian: apt-get install zlib1g-dev libbz2-dev libssl-dev
				@echo
				@echo 'To build a nice collection of interesting Python versions:'
				@echo ' $$ for v in 2.{6{,.1,.2,.9},7{,.8,.10}}; do'
				@echo ' make -f Makefile.python symlink PYTHONVER=$$v \|\| break; done'
				@echo 'To run a Mercurial test on all these Python versions:'
				@echo ' $$ for py in `cd ~/bin && ls $(PYTHONNAME)2.*`; do'
				@echo ' echo $$py; $$py run-tests.py test-http.t; echo; done'
				@echo

				export LANGUAGE=C
				export LC_ALL=C

				python: $(PREFIX)/bin/python docutils
				printf 'import sys, zlib, bz2, docutils, ssl' \| $(PREFIX)/bin/python

				PYTHON_SRCDIR=Python-$(PYTHONVER)
				PYTHON_SRCFILE=$(PYTHON_SRCDIR).tgz

				$(PREFIX)/bin/python:
				[ -f $(PYTHON_SRCFILE) ] \|\| wget http://www.python.org/ftp/python/$(PYTHONVER)/$(PYTHON_SRCFILE) \|\| curl -OL http://www.python.org/ftp/python/$(PYTHONVER)/$(PYTHON_SRCFILE) \|\| [ -f $(PYTHON_SRCFILE) ]
				rm -rf $(PYTHON_SRCDIR)
				tar xf $(PYTHON_SRCFILE)
				# Debian/Ubuntu disables SSLv2,3 the hard way, disable it on old Pythons too
				-sed -i 's,self.*SSLv[23]_method(),0;//\0,g' $(PYTHON_SRCDIR)/Modules/_ssl.c
				# Find multiarch system libraries on Ubuntu and disable fortify error when setting argv
				LDFLAGS="-L/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH`"; \
				BASECFLAGS=-U_FORTIFY_SOURCE; \
				export LDFLAGS BASECFLAGS; \
				cd $(PYTHON_SRCDIR) && ./configure --prefix=$(PREFIX) && make all SVNVERSION=pwd && make install
				printf 'import sys, zlib, bz2, ssl' \| $(PREFIX)/bin/python
				rm -rf $(PYTHON_SRCDIR)

				DOCUTILSVER=0.12
				DOCUTILS_SRCDIR=docutils-$(DOCUTILSVER)
				DOCUTILS_SRCFILE=$(DOCUTILS_SRCDIR).tar.gz

				docutils: $(PREFIX)/bin/python
				@$(PREFIX)/bin/python -c 'import docutils' \|\| ( set -ex; \
				[ -f $(DOCUTILS_SRCFILE) ] \|\| wget http://downloads.sourceforge.net/project/docutils/docutils/$(DOCUTILSVER)/$(DOCUTILS_SRCFILE) \|\| [ -f $(DOCUTILS_SRCFILE) ]; \
				rm -rf $(DOCUTILS_SRCDIR); \
				tar xf $(DOCUTILS_SRCFILE); \
				cd $(DOCUTILS_SRCDIR) && $(PREFIX)/bin/python setup.py install --prefix=$(PREFIX); \
				$(PREFIX)/bin/python -c 'import docutils'; \
				rm -rf $(DOCUTILS_SRCDIR); )

				symlink: python $(SYMLINKDIR)
				ln -sf $(PREFIX)/bin/python $(SYMLINKDIR)/$(PYTHONNAME)$(PYTHONVER)

				.PHONY: help python docutils symlink