[gtk-osx: 1/48] Rewrite setup script to create a pipenv/pyenv virtual environment to build in.

[John Ralls <jralls src gnome org>]

commit 46005b074f12ada2731d24246a89a088cd008bb5
Author: John Ralls <jralls ceridwen us>
Date:   Thu Nov 1 14:56:28 2018 -0700

    Rewrite setup script to create a pipenv/pyenv virtual environment to build in.

 gtk-osx-build-setup.sh | 121 ----------------------------
 gtk-osx-setup.sh       | 210 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 210 insertions(+), 121 deletions(-)
---
diff --git a/gtk-osx-setup.sh b/gtk-osx-setup.sh
new file mode 100755
index 0000000..7093a82
--- /dev/null
+++ b/gtk-osx-setup.sh
@@ -0,0 +1,210 @@
+#!/usr/bin/env bash
+ ####################################################################
+ # new-setup.sh gtk-osx setup with python virtual environments.     #
+ #                                                                  #
+ # Copyright 2018 John Ralls <jralls ceridwen us>                   #
+ #                                                                  #
+ # This program is free software; you can redistribute it and/or    #
+ # modify it under the terms of the GNU General Public License as   #
+ # published by the Free Software Foundation; either version 2 of   #
+ # the License, or (at your option) any later version.              #
+ #                                                                  #
+ # This program is distributed in the hope that it will be useful,  #
+ # but WITHOUT ANY WARRANTY; without even the implied warranty of   #
+ # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    #
+ # GNU General Public License for more details.                     #
+ #                                                                  #
+ # You should have received a copy of the GNU General Public License#
+ # along with this program; if not, contact:                        #
+ #                                                                  #
+ # Free Software Foundation           Voice:  +1-617-542-5942       #
+ # 51 Franklin Street, Fifth Floor    Fax:    +1-617-542-2652       #
+ # Boston, MA  02110-1301,  USA       gnu gnu org                   #
+ ####################################################################
+
+# Function envvardir. Tests environment variable, sets default value if unset,
+# and creates the specified directory if it doesn't already exist. This
+# will barf if the name indicates a file that isn't a directory.
+envvar ()
+{
+    local _varname=$1
+    if test -z "`eval echo '"$'"$_varname"'"'`"; then
+        eval "export $_varname"'="'"$2"'"'
+    fi
+    if test ! -d "`eval echo '"$'"$_varname"'"'`"; then
+        eval "mkdir -p $_varname"
+    fi
+}
+# Environment variable defaults:
+#
+envvar DEVROOT $HOME
+envvar DEVPREFIX $DEVROOT/.new_local
+envvar PYTHONUSERBASE $DEVROOT/.new_local
+envvar DEV_SRC_ROOT $DEVROOT/Source
+envvar PYENV_ROOT $DEV_SRC_ROOT/pyenv
+envvar PIP_CONFIG_DIR $HOME/.config/pip
+
+export PYTHONPATH=$PYTHONUSERBASE/lib/python/site-packages:$PYTHONPATH
+
+if test ! -d $DEVPREFIX/bin ; then
+    mkdir -p $DEVPREFIX/bin
+fi
+
+GITLAB="https://gitlab.gnome.org/GNOME";
+GITHUB="https://github.com";
+
+# We need to have a local copy of bash when compiling to prevent SIP problems.
+if test ! -x $DEVPREFIX/bin/bash; then
+    cp /bin/bash $DEVPREFIX/bin
+fi
+
+# Setup pyenv
+if test ! -x $PYENV_ROOT/libexec/pyenv; then
+  if test -d $PYENV_ROOT; then
+     rm -rf $PYENV_ROOT;
+  fi
+    git clone $GITHUB/pyenv/pyenv.git $PYENV_ROOT
+fi
+
+if test ! -x $DEVPREFIX/bin/pyenv ; then
+    ln -s $PYENV_ROOT/bin/pyenv $DEVPREFIX/bin
+fi
+
+# Setup PIP; note that we're assuming that python is the system python
+# at this point. Having set $PYTHONUSERBASE, pip will be installed in
+# $PYTHONUSERBASE/bin and the requisite modules will go in
+# $PYTHONUSERBASE/lib/python/site-packages.
+
+if test ! -f "`eval echo $PIP_CONFIG_FILE`" ; then
+    export PIP_CONFIG_FILE=$PIP_CONFIG_DIR/pip.conf
+    mkdir -p $PIP_CONFIG_DIR
+fi
+PIP=`which pip`
+if test ! -x "`eval echo $PIP`" ; then
+    mv=`python --version 2>&1 | cut -b 12-13`
+    if test $mv -lt 9 ; then
+        curl https://bootstrap.pypa.io/get-pip.py -o $DEVPREFIX/get-pip.py
+        python $DEVPREFIX/get-pip.py --user
+        rm $DEVPREFIX/get-pip.py
+    else
+        python -m ensurepip --user
+    fi
+    pip install --upgrade --user pip
+fi
+
+# Install pipenv
+pip install --upgrade --user pipenv
+
+# Install jhbuild
+if test ! -d $DEV_SRC_ROOT/jhbuild/.git ; then
+    git clone $GITLAB/jhbuild.git $DEV_SRC_ROOT/jhbuild
+    cd $DEV_SRC_ROOT/jhbuild
+else #Get the latest if it's already installed
+    cd $DEV_SRC_ROOT/jhbuild
+    git pull
+fi
+
+# Install Ninja
+NINJA=`which ninja`
+if test ! -x "`eval echo $NINJA`"; then
+    curl -kLs https://github.com/ninja-build/ninja/releases/download/v1.8.2/ninja-mac.zip -o 
$DEVPREFIX/ninja-mac.zip
+    unzip -d $DEVPREFIX/bin $DEVPREFIX/ninja-mac.zip
+    rm $DEVPREFIX/ninja-mac.zip
+fi
+
+if test ! -d $DEVPREFIX/etc ; then
+    mkdir -p $DEVPREFIX/etc
+fi
+if test ! -f $DEVPREFIX/etc/Pipfile ; then
+    cat  <<EOF > $DEVPREFIX/etc/Pipfile
+[[source]]
+url = "https://pypi.python.org/simple";
+verify_ssl = true
+
+[packages]
+six = "*"
+meson = "*"
+
+[scripts]
+jhbuild = "$DEVPREFIX/libexec/run_jhbuild.py"
+
+[requires]
+python_version = "3.7"
+EOF
+    cat <<EOF > $DEVPREFIX/etc/pipenv-env
+export DEVROOT=$HOME
+export DEVPREFIX=$DEVPREFIX
+export PYTHONUSERBASE=$PYTHONUSERBASE
+export DEV_SRC_ROOT=$DEV_SRC_ROOT
+export PYENV_ROOT=$PYENV_ROOT
+export PIP_CONFIG_DIR=$PIP_CONFIG_DIR
+export PATH=$PYENV_ROOT/shims:$PATH
+export LANG=C
+EOF
+fi
+if test ! -f $DEVPREFIX/bin/jhbuild ; then
+    cat <<EOF > $DEVPREFIX/bin/jhbuild
+#!$DEVPREFIX/bin/bash
+export PYTHONPATH=$PYTHONPATH
+export PIPENV_DOTENV_LOCATION=$DEVPREFIX/etc/pipenv-env
+export PIPENV_PIPFILE=$DEVPREFIX/etc/Pipfile
+export CFLAGS="-I$(xcrun --show-sdk-path)/usr/include"
+export PYTHON_CONFIGURE_OPTS="--enable-shared"
+
+exec pipenv run jhbuild '$@'
+EOF
+fi
+if test ! -d $DEVPREFIX/libexec ; then
+    mkdir -p $DEVPREFIX/libexec
+fi
+if test ! -f $DEVPREFIX/libexec/run_jhbuild.py ; then
+    cat <<EOF > $DEVPREFIX/libexec/run_jhbuild.py
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+import sys
+import os
+import __builtin__
+sys.path.insert(0, '$DEV_SRC_ROOT/jhbuild')
+pkgdatadir = None
+datadir = None
+import jhbuild
+srcdir = os.path.abspath(os.path.join(os.path.dirname(jhbuild.__file__), '..'))
+__builtin__.__dict__['PKGDATADIR'] = pkgdatadir
+__builtin__.__dict__['DATADIR'] = datadir
+__builtin__.__dict__['SRCDIR'] = srcdir
+
+import jhbuild.main
+jhbuild.main.main(sys.argv[1:])
+
+EOF
+fi
+if test ! -x $DEVPREFIX/bin/jhbuild ; then
+    chmod +x $DEVPREFIX/bin/jhbuild
+fi
+if test ! -x $DEVPREFIX/libexec/run_jhbuild.py ; then
+    chmod +x $DEVPREFIX/libexec/run_jhbuild.py
+fi
+if test "x`echo $PATH | grep $DEVPREFIX/bin`" == x ; then
+    echo "PATH does not contain $DEVPREFIX/bin. You probably want to fix that."
+fi
+# pipenv wants enum34 because it's installed with Py2 but that conflicts
+# with Py3 so remove it.
+pip uninstall --yes enum34
+
+export PIPENV_DOTENV_LOCATION=$DEVPREFIX/etc/pipenv-env
+export PIPENV_PIPFILE=$DEVPREFIX/etc/Pipfile
+export PATH=$PYENV_ROOT/shims:$PATH
+
+pipenv install
+
+BASEURL="https://gitlab.gnome.org/GNOME/gtk-osx/raw/master";
+
+if test -L $HOME/.jhbuildrc ; then
+    echo "Installing jhbuild configuration..."
+    curl -ks $BASEURL/jhbuildrc-gtk-osx -o $HOME/.jhbuildrc
+fi
+
+if test ! -e $HOME/.jhbuildrc-custom ; then
+   curl -ks $BASEURL/jhbuildrc-gtk-osx-custom-example -o $HOME/.jhbuildrc-custom
+fi