From 72c18e73679fc3b74d2acd037b4de2cbfff25257 Mon Sep 17 00:00:00 2001
From: 0dminnimda <0dminnimda@gmail.com>
Date: Thu, 7 Oct 2021 10:56:43 +0300
Subject: Improve ci-run.sh (GH-4398)

---
 Tools/ci-run.sh | 89 ++++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 66 insertions(+), 23 deletions(-)

diff --git a/Tools/ci-run.sh b/Tools/ci-run.sh
index e4f39eba9..34519c793 100644
--- a/Tools/ci-run.sh
+++ b/Tools/ci-run.sh
@@ -3,28 +3,36 @@
 GCC_VERSION=${GCC_VERSION:=8}
 
 # Set up compilers
-if [ "${OS_NAME##ubuntu*}" == "" -a "$TEST_CODE_STYLE" != "1" ]; then
+if [ "$TEST_CODE_STYLE" == "1" ]; then
+  echo "Skipping compiler setup"
+elif [ "${OSTYPE##linux-gnu*}" == "" ]; then
+  echo "Setting up linux compiler"
   echo "Installing requirements [apt]"
   sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
   sudo apt update -y -q
   sudo apt install -y -q ccache gdb python-dbg python3-dbg gcc-$GCC_VERSION || exit 1
+
+  ALTERNATIVE_ARGS=""
   if [ -z "${BACKEND##*cpp*}" ]; then
     sudo apt install -y -q g++-$GCC_VERSION || exit 1
+    ALTERNATIVE_ARGS="--slave /usr/bin/g++ g++ /usr/bin/g++-$GCC_VERSION"
   fi
   sudo /usr/sbin/update-ccache-symlinks
   echo "/usr/lib/ccache" >> $GITHUB_PATH # export ccache to path
 
-  sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-$GCC_VERSION 60 $(if [ -z "${BACKEND##*cpp*}" ]; then echo " --slave /usr/bin/g++ g++ /usr/bin/g++-$GCC_VERSION"; fi)
+  sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-$GCC_VERSION 60 $ALTERNATIVE_ARGS
 
   export CC="gcc"
   if [ -z "${BACKEND##*cpp*}" ]; then
     sudo update-alternatives --set g++ /usr/bin/g++-$GCC_VERSION
     export CXX="g++"
   fi
-fi
-if [ "${OS_NAME##macos*}" == "" ]; then
+elif [ "${OSTYPE##darwin*}" == "" ]; then
+  echo "Setting up macos compiler"
   export CC="clang -Wno-deprecated-declarations"
   export CXX="clang++ -stdlib=libc++ -Wno-deprecated-declarations"
+else
+  echo "No setup specified for $OSTYPE"
 fi
 
 # Set up miniconda
@@ -35,11 +43,13 @@ if [ "$STACKLESS" == "true" ]; then
   conda install --quiet --yes stackless || exit 1
 fi
 
+PYTHON_SYS_VERSION=$(python -c 'import sys; print(sys.version)')
+
 # Log versions in use
 echo "===================="
 echo "|VERSIONS INSTALLED|"
 echo "===================="
-python -c 'import sys; print("Python %s" % (sys.version,))'
+echo "Python $PYTHON_SYS_VERSION"
 if [ "$CC" ]; then
   which ${CC%% *}
   ${CC%% *} --version
@@ -61,7 +71,7 @@ elif [ -z "${PYTHON_VERSION##3.[45]*}" ]; then
 else
   python -m pip install -U pip setuptools wheel || exit 1
 
-  if [ -n "${PYTHON_VERSION##*-dev}" ]; then
+  if [ -n "${PYTHON_VERSION##*-dev}" -o "$COVERAGE" == "1" ]; then
     python -m pip install -r test-requirements.txt || exit 1
 
     if [ "${PYTHON_VERSION##pypy*}" -a "${PYTHON_VERSION##3.[4789]*}" ]; then
@@ -74,7 +84,7 @@ if [ "$TEST_CODE_STYLE" == "1" ]; then
   STYLE_ARGS="--no-unit --no-doctest --no-file --no-pyregr --no-examples";
   python -m pip install -r doc-requirements.txt || exit 1
 else
-  STYLE_ARGS="--no-code-style";
+  STYLE_ARGS="--no-code-style"
 
   # Install more requirements
   if [ -n "${PYTHON_VERSION##*-dev}" ]; then
@@ -83,24 +93,45 @@ else
       # python -m pip install pythran==0.9.5 || exit 1
     fi
 
-    if [ "$BACKEND" != "cpp" -a -n "${PYTHON_VERSION##pypy*}" -a -n "${PYTHON_VERSION##2*}" -a -n "${PYTHON_VERSION##*3.4}" ]; then
+    if [ "$BACKEND" != "cpp" -a -n "${PYTHON_VERSION##pypy*}" -a
+         -n "${PYTHON_VERSION##2*}" -a -n "${PYTHON_VERSION##3.4*}" ]; then
       python -m pip install mypy || exit 1
     fi
   fi
 fi
 
 # Run tests
+echo "==== Running tests ===="
 ccache -s 2>/dev/null || true
 export PATH="/usr/lib/ccache:$PATH"
 
+# Most modern compilers allow the last conflicting option
+# to override the previous ones, so '-O0 -O3' == '-O3'
+# This is true for the latest msvc, gcc and clang
+CFLAGS="-O0 -ggdb -Wall -Wextra"
+
 if [ "$NO_CYTHON_COMPILE" != "1" -a -n "${PYTHON_VERSION##pypy*}" ]; then
-  CFLAGS="-O2 -ggdb -Wall -Wextra $(python -c 'import sys; print("-fno-strict-aliasing" if sys.version_info[0] == 2 else "")')" \
-  python setup.py build_ext -i \
-          $(if [ "$COVERAGE" == "1" ]; then echo " --cython-coverage"; fi) \
-          $(if [ "$CYTHON_COMPILE_ALL" == "1" ]; then echo " --cython-compile-all"; fi) \
-          $(python -c 'import sys; print("-j5" if sys.version_info >= (3,5) else "")') \
-      || exit 1
-  if [ -z "$COVERAGE" -a -z "$STACKLESS" -a -z "$LIMITED_API" -a -z "$CYTHON_COMPILE_ALL" -a -z "$EXTRA_CFLAGS" -a -n "${BACKEND//*cpp*}" ]; then
+
+  BUILD_CFLAGS="$CFLAGS -O2"
+  if [[ $PYTHON_SYS_VERSION == "2"* ]]; then
+    BUILD_CFLAGS="$BUILD_CFLAGS -fno-strict-aliasing"
+  fi
+
+  SETUP_ARGS=""
+  if [ "$COVERAGE" == "1" ]; then
+    SETUP_ARGS="$SETUP_ARGS --cython-coverage"
+  fi
+  if [ "$CYTHON_COMPILE_ALL" == "1" ]; then
+    SETUP_ARGS="$SETUP_ARGS --cython-compile-all"
+  fi
+  SETUP_ARGS="$SETUP_ARGS
+    $(python -c 'import sys; print("-j5" if sys.version_info >= (3,5) else "")')"
+
+  CFLAGS=$BUILD_CFLAGS \
+    python setup.py build_ext -i $SETUP_ARGS || exit 1
+
+  if [ -z "$COVERAGE" -a -z "$STACKLESS" -a -n "${BACKEND//*cpp*}" -a
+       -z "$LIMITED_API" -a -z "$CYTHON_COMPILE_ALL" -a -z "$EXTRA_CFLAGS" ]; then
     python setup.py bdist_wheel || exit 1
   fi
 fi
@@ -108,20 +139,32 @@ fi
 if [ "$TEST_CODE_STYLE" == "1" ]; then
     make -C docs html || exit 1
 elif [ -n "${PYTHON_VERSION##pypy*}" ]; then
-  # Run the debugger tests in python-dbg if available (but don't fail, because they currently do fail)
-  PYTHON_DBG="python$( python -c 'import sys; print("%d.%d" % sys.version_info[:2])' )-dbg"
-  if $PYTHON_DBG -V >&2; then CFLAGS="-O0 -ggdb" $PYTHON_DBG runtests.py -vv --no-code-style Debugger --backends=$BACKEND; fi;
+  # Run the debugger tests in python-dbg if available
+  # (but don't fail, because they currently do fail)
+  PYTHON_DBG=$(python -c 'import sys; print("%d.%d" % sys.version_info[:2])')
+  PYTHON_DBG="python$PYTHON_DBG-dbg"
+  if $PYTHON_DBG -V >&2; then
+    CFLAGS=$CFLAGS $PYTHON_DBG \
+      runtests.py -vv --no-code-style Debugger --backends=$BACKEND
+  fi
+fi
+
+RUNTESTS_ARGS=""
+if [ "$COVERAGE" == "1" ]; then
+  RUNTESTS_ARGS="$RUNTESTS_ARGS --coverage --coverage-html --cython-only"
+fi
+if [ -z "$TEST_CODE_STYLE" ]; then
+  RUNTESTS_ARGS="$RUNTESTS_ARGS -j7"
 fi
 
-export CFLAGS="-O0 -ggdb -Wall -Wextra $EXTRA_CFLAGS"
+export CFLAGS="$CFLAGS $EXTRA_CFLAGS"
 python runtests.py \
   -vv $STYLE_ARGS \
   -x Debugger \
   --backends=$BACKEND \
-   $LIMITED_API \
-   $EXCLUDE \
-   $(if [ "$COVERAGE" == "1" ]; then echo " --coverage --coverage-html --cython-only"; fi) \
-   $(if [ -z "$TEST_CODE_STYLE" ]; then echo " -j7 "; fi)
+  $LIMITED_API \
+  $EXCLUDE \
+  $RUNTESTS_ARGS
 
 EXIT_CODE=$?
 
-- 
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