Prepare Mercurial for Py2 & Py3

- separate lang into the own subpackage as files are shared between mercurial for both pythons - extensions are now prepared and working only under Python2 - the core mercurial is prepared in mercurial-python3 subpackage providing the hg3 executable - Relates: #1737931
2019-08-05 21:39:10 +02:00 · 2019-08-05 21:39:10 +02:00 · 53899096c8
commit 53899096c8
parent b7dea994db
4 changed files with 124 additions and 13 deletions
--- a/0001-setup-hg3.patch
+++ b/0001-setup-hg3.patch
@ -0,0 +1,37 @@
+From 313f85a013b487149bff441411d4b643d0cea6c2 Mon Sep 17 00:00:00 2001
+From: Petr Stodulka <pstodulk@redhat.com>
+Date: Thu, 15 Aug 2019 01:20:11 +0200
+Subject: [PATCH] create hg3 bin/script to keep Py2 & Py3 mercurial
+ installable..
+
+This can be removed completely once the mercurial for Python2 is
+removed
+---
+ setup.py | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/setup.py b/setup.py
+index 99556ce..5e30421 100644
+--- a/setup.py
+++ b/setup.py
+@@ -207,6 +207,8 @@ def write_if_changed(path, content):
+             fh.write(content)
+ 
+ scripts = ['hg']
+if 'HGPYTHON3' in os.environ:
+    scripts = ['hg3']
+ if os.name == 'nt':
+     # We remove hg.bat if we are able to build hg.exe.
+     scripts.append('contrib/win32/hg.bat')
+@@ -311,6 +313,8 @@ def findhg():
+     hgenv['HGPLAIN'] = '1'
+     hgenv['LANGUAGE'] = 'C'
+     hgcmd = ['hg']
+    if 'HGPYTHON3' in os.environ:
+        hgcmd = ['hg3']
+     # Run a simple "hg log" command just to see if using hg from the user's
+     # path works and can successfully interact with this repository.  Windows
+     # gives precedence to hg.exe in the current directory, so fall back to the
+-- 
+2.21.0
+
--- a/contrib-hg-ssh.patch
+++ b/contrib-hg-ssh.patch
@ -3,7 +3,7 @@ diff -r 9d3628141c21 contrib/hg-ssh
 +++ b/contrib/hg-ssh	Tue Mar 05 07:26:54 2019 -0500
@@ -1,4 +1,4 @@
 -#!/usr/bin/env python
-+#!/usr/bin/env python2
+#!/usr/bin/env python3
 #
 # Copyright 2005-2007 by Intevation GmbH <intevation@intevation.de>
 #
--- a/hgk_python3.patch
+++ b/hgk_python3.patch
@ -0,0 +1,13 @@
+diff --git a/hgext/hgk.py b/hgext/hgk.py
+index 3da626e..61239e8 100644
+--- a/hgext/hgk.py
+++ b/hgext/hgk.py
+@@ -335,7 +335,7 @@ def revtree(ui, args, repo, full="tree", maxnr=0, parents=False):
+     ('[OPTION]... REV...'))
+ def revlist(ui, repo, *revs, **opts):
+     """print revisions"""
+-    if opts['header']:
+    if opts[u'header']:
+         full = "commit"
+     else:
+         full = None
--- a/mercurial.spec
+++ b/mercurial.spec
@ -1,4 +1,5 @@
 %{!?python2_sitearch: %define python2_sitearch %(%{__python2} -c "from distutils.sysconfig import get_python2_lib; print get_python2_lib(1)")}
+%{!?python3_sitearch: %define python3_sitearch %(%{__python3} -c "from distutils.sysconfig import get_python3_lib; print(get_python3_lib(1))")}

 Summary: Mercurial -- a distributed SCM
 Name: mercurial
@ -16,10 +17,13 @@ URL: http://www.selenic.com/mercurial/
 Source0: http://www.selenic.com/mercurial/release/%{name}-%{upstreamversion}.tar.gz
 Source1: mercurial-site-start.el
 Patch0: contrib-hg-ssh.patch
+Patch1: hgk_python3.patch
+Patch2: 0001-setup-hg3.patch
 BuildRequires: python2 python2-devel bash-completion
 BuildRequires: emacs-nox emacs-el pkgconfig gettext python2-docutils
 BuildRequires: gcc
 Requires: python2 emacs-filesystem
+Requires: %{name}-lang = %{version}-%{release}
 Provides: hg = %{version}-%{release}
 Obsoletes: emacs-mercurial <= 3.4.1, emacs-mercurial-el <= 3.4.1
 Provides: emacs-mercurial <= 3.4.1, emacs-mercurial-el <= 3.4.1
@ -36,11 +40,22 @@ Extensions: http://www.selenic.com/mercurial/wiki/index.cgi/CategoryExtension

 # If the emacs-el package has installed a pkgconfig file, use that to determine

+%package py3
+Summary: Mercurial -- a distributed SCM for Python3
+Provides: hg3 = %{version}-%{release}
+Requires: python3 emacs-filesystem
+BuildRequires: python3 python3-devel bash-completion
+BuildRequires: emacs-nox emacs-el pkgconfig gettext python3-docutils
+Requires: %{name}-lang = %{version}-%{release}
+
+%description py3
+Subpackage with mercurial for Python3. This is beta version with own problems.
+
+
 %package hgk
 Summary:    Hgk interface for mercurial
 Requires:   hg = %{version}-%{release}, tk

-
 %description hgk
 A Mercurial extension for displaying the change history graphically
 using Tcl/Tk.  Displays branches and merges in an easily
@ -51,6 +66,7 @@ Adds the "hg view" command.  See
 http://www.selenic.com/mercurial/wiki/index.cgi/UsingHgk for more
 documentation.

+
 %package chg
 Summary:    A fast client for Mercurial command server running on Unix. It saves time of slow Python startup.
 Requires:   hg = %{version}-%{release}
@ -65,25 +81,44 @@ Mercurial. When you type chg, a C program connects to that background process
 and executes Mercurial commands.


+%package lang
+Summary:    Locales for mercurial
+
+%description lang
+Locales for mercurial.
+
 %prep
 %setup -q -n %{name}-%{upstreamversion}
-# Patch files to use python2 instead of (since lately) non existent python binary.
-sed -ri 's|python\b|python2|' %{_builddir}/%{name}-%{version}/Makefile %{_builddir}/%{name}-%{version}/doc/Makefile
+# NOTE: Use PYTHON envar instead of pathing Makefiles
+# sed -ri 's|python\b|python2|' %{_builddir}/%{name}-%{version}/Makefile %{_builddir}/%{name}-%{version}/doc/Makefile
 %patch0 -p1 -b .contrib-hg-ssh
+# NOTE: The patch1 cannot be applied here as it has to be kept as it is for py2 version..
+# %%patch1 -p1 -b .hgk_python3
+%patch2 -p1 -b .create_hg3

 %build
-make all
+# copy hg to hg3 to be able to create /usr/bin/hg3 script
+cp -a hg hg3
+PYTHON=%{__python3} HGPYTHON3=1 make all
+PYTHON=%{__python2} make all

+#TODO: Now just for Py2, version for Py3 will need probably more fixes
+# in installer - and possibly some renames..
 pushd contrib/chg
 make
 popd

 %install
+# NOTE: this is nasty, but if we want to have parallel Py2/Py3 mercurial..
+# ignoring now stuff related to *_completion, extensions
 rm -rf $RPM_BUILD_ROOT
+HGPYTHON3=1 %{__python3} setup.py install -O1 --root $RPM_BUILD_ROOT --prefix %{_prefix} --record=%{name}3.files
 %{__python2} setup.py install -O1 --root $RPM_BUILD_ROOT --prefix %{_prefix} --record=%{name}.files
 make install-doc DESTDIR=$RPM_BUILD_ROOT MANDIR=%{_mandir}

+grep -v -e 'hgk.py*' -e %{python3_sitearch}/mercurial/ -e %{python3_sitearch}/hgext/ < %{name}3.files > %{name}3-base.files
 grep -v -e 'hgk.py*' -e %{python2_sitearch}/mercurial/ -e %{python2_sitearch}/hgext/ < %{name}.files > %{name}-base.files
+grep 'hgk.py*' < %{name}3.files > %{name}3-hgk.files
 grep 'hgk.py*' < %{name}.files > %{name}-hgk.files

 install -D -m 755 contrib/hgk       $RPM_BUILD_ROOT%{_libexecdir}/mercurial/hgk
@ -134,25 +169,31 @@ cacerts = /etc/pki/tls/certs/ca-bundle.crt
 EOF
 install -m 644 certs.rc $RPM_BUILD_ROOT/%{_sysconfdir}/mercurial/hgrc.d

+# NOTE: It looks that locales will have to be moved into the separate subpackage,
+# despite the original path, locales should not be dependend on the version of
+# python, so we can use one or the other for both mercurials
+#mv $RPM_BUILD_ROOT%{python3_sitearch}/mercurial/locale $RPM_BUILD_ROOT%{_datadir}/locale
 mv $RPM_BUILD_ROOT%{python2_sitearch}/mercurial/locale $RPM_BUILD_ROOT%{_datadir}/locale
+rm -rf $RPM_BUILD_ROOT%{python3_sitearch}/mercurial/locale
 rm -rf $RPM_BUILD_ROOT%{python2_sitearch}/mercurial/locale


 %find_lang hg

 grep -v locale %{name}-base.files > %{name}-base-filtered.files
+grep -v locale %{name}3-base.files > %{name}3-base-filtered.files

-%files -f %{name}-base-filtered.files -f hg.lang
+%files -f %{name}-base-filtered.files
 %doc CONTRIBUTORS COPYING doc/README doc/hg*.txt doc/hg*.html *.cgi contrib/*.fcgi contrib/*.wsgi
 %doc %attr(644,root,root) %{_mandir}/man?/hg*.gz
 %doc %attr(644,root,root) contrib/*.svg
-%{_datadir}/zsh/site-functions/_mercurial
-%{_bindir}/hg-ssh
-%{_datadir}/bash-completion/
 %dir %{_datadir}/zsh/
-%{_datadir}/zsh/site-functions/
+%dir %{_datadir}/zsh/site-functions/
 %dir %{_sysconfdir}/mercurial
 %dir %{_sysconfdir}/mercurial/hgrc.d
+%{_bindir}/hg-ssh
+%{_datadir}/bash-completion/
+%{_datadir}/zsh/site-functions/_mercurial
 %{python2_sitearch}/mercurial
 %{python2_sitearch}/hgext
 %{_emacs_sitelispdir}/mercurial
@ -160,6 +201,10 @@ grep -v locale %{name}-base.files > %{name}-base-filtered.files

 %config(noreplace) %{_sysconfdir}/mercurial/hgrc.d/certs.rc

+%files py3 -f %{name}3-base-filtered.files
+%{python3_sitearch}/mercurial
+%{python3_sitearch}/hgext
+
 %files hgk -f %{name}-hgk.files
 %{_libexecdir}/mercurial/
 %{_sysconfdir}/mercurial/hgrc.d/hgk.rc
@ -168,11 +213,27 @@ grep -v locale %{name}-base.files > %{name}-base-filtered.files
 %{_bindir}/chg
 %doc %attr(644,root,root) %{_mandir}/man?/chg.*.gz

+%files lang -f hg.lang
+
+
+#%%check
+#cd tests && %%{__python2} run-tests.py
+# This will now fail everytime. Mercurial is not ported properly for Python3
+# and current split of mercurial for Py2 and Py3 brings additional problems
+# for extensions then pure Python3 packaging.
+#cd tests && HGPYTHON3=1 %%{__python3} run-tests.py

-##%%check
-##cd tests && %%{__python} run-tests.py

 %changelog
+* Sat Oct 19 2019 Petr Stodulka <pstodulk@redhat.com> - 5.1.2-2
+- first attempt to create builds for py2 & py3 version
+- separate lang into the own subpackage as files are shared between
+  mercurial for both pythons
+- extensions are now prepared and working only under Python2
+- the core mercurial is prepared in mercurial-python3 subpackage providing
+  the hg3 executable
+- Relates: #1737931
+
 * Sat Oct 19 2019 Petr Stodulka <pstodulk@redhat.com> - 5.1.2-1
 - Update to 5.1.2
 - fix patching of Makefiles