packaging: switch centos 7 packaging to python 3

Differential Revision: https://phab.mercurial-scm.org/D9293

contrib/packaging/Makefile

@@ -20,6 +20,7 b' CENTOS_RELEASES := \\'
 # Build a Python for these CentOS releases.
 CENTOS_WITH_PYTHON_RELEASES :=
 CENTOS_WITH_NONVERSIONED_PYTHON :=
+CENTOS_WITH_36_DOCUTILS := 7
 
 help:
 	@echo 'Packaging Make Targets'
@@ -110,13 +111,13 b' define centos_targets'
 .PHONY: centos$(1)
 centos$(1):
 	mkdir -p $$(HGROOT)/packages/centos$(1)
-	./buildrpm $$(if $$(filter $(1),$$(CENTOS_WITH_PYTHON_RELEASES)),--withpython,$$(if $$(filter $(1),$$(CENTOS_WITH_NONVERSIONED_PYTHON)),--python python,))
+	./buildrpm $$(if $$(filter $(1),$$(CENTOS_WITH_PYTHON_RELEASES)),--withpython,$$(if $$(filter $(1),$$(CENTOS_WITH_NONVERSIONED_PYTHON)),--python python,))$$(if $$(filter $(1),$$(CENTOS_WITH_36_DOCUTILS)), --docutilspackage python36-docutils,)
 	cp $$(HGROOT)/contrib/packaging/rpmbuild/RPMS/*/* $$(HGROOT)/packages/centos$(1)
 	cp $$(HGROOT)/contrib/packaging/rpmbuild/SRPMS/* $$(HGROOT)/packages/centos$(1)
 
 .PHONY: docker-centos$(1)
 docker-centos$(1):
-	./dockerrpm centos$(1) $$(if $$(filter $(1),$$(CENTOS_WITH_PYTHON_RELEASES)),--withpython,$$(if $$(filter $(1),$$(CENTOS_WITH_NONVERSIONED_PYTHON)),--python python,))
+	./dockerrpm centos$(1) $$(if $$(filter $(1),$$(CENTOS_WITH_PYTHON_RELEASES)),--withpython,$$(if $$(filter $(1),$$(CENTOS_WITH_NONVERSIONED_PYTHON)),--python python,))$$(if $$(filter $(1),$$(CENTOS_WITH_36_DOCUTILS)), --docutilspackage python36-docutils,)
 
 endef
 

contrib/packaging/buildrpm

@@ -7,6 +7,7 b''
 BUILD=1
 RPMBUILDDIR="$PWD/rpmbuild"
 PYTHONEXE=python3
+DOCUTILSPACKAGE=python3-docutils
 
 while [ "$1" ]; do
     case "$1" in
@@ -25,6 +26,11 b' while [ "$1" ]; do'
         PYTHONMD5=f1a2ace631068444831d01485466ece0
         PYTHONEXE=python
         ;;
+    --docutilspackage)
+        shift
+        DOCUTILSPACKAGE="$1"
+        shift
+        ;;
     --rpmbuilddir )
         shift
         RPMBUILDDIR="$1"
@@ -149,6 +155,9 b' fi'
 sed -i \
     -e "s/^%define withpython.*$/%define withpython $RPMPYTHONVER/" \
     $rpmspec
+sed -i \
+    -e "s/^%global pythondocutils.*$/%global pythondocutils $DOCUTILSPACKAGE/" \
+    $rpmspec
 
 if [ "$BUILD" ]; then
     rpmbuild --define "_topdir $RPMBUILDDIR" -ba $rpmspec --clean

contrib/packaging/docker/centos7

@@ -3,12 +3,13 b' FROM centos:centos7'
 RUN groupadd -g %GID% build && \
     useradd -u %UID% -g %GID% -s /bin/bash -d /build -m build
 
+RUN yum install -y epel-release
 RUN yum install -y \
 	gcc \
 	gettext \
 	make \
-	python-devel \
-	python-docutils \
+	python3-devel \
+	python36-docutils \
 	rpm-build \
 	tar
 

contrib/packaging/mercurial.spec

@@ -3,6 +3,7 b''
 %define withpython %{nil}
 
 %global pythonexe python3
+%global pythondocutils python3-docutils
 
 %if "%{?withpython}"
 
@@ -39,7 +40,7 b' BuildRequires: make, gcc, gettext'
 %if "%{?withpython}"
 BuildRequires: readline-devel, openssl-devel, ncurses-devel, zlib-devel, bzip2-devel
 %else
-BuildRequires: %{pythonexe} >= %{pythonver}, %{pythonexe}-devel, %{pythonexe}-docutils >= 0.5
+BuildRequires: %{pythonexe} >= %{pythonver}, %{pythonexe}-devel, %{pythondocutils}
 Requires: %{pythonexe} >= %{pythonver}
 %endif
 # The hgk extension uses the wish tcl interpreter, but we don't enforce it