From 74f2ea9a61396105afe6b51c6d2887524a10e9aa Mon Sep 17 00:00:00 2001
From: CorpNewt <12772521+corpnewt@users.noreply.github.com>
Date: Sun, 6 Feb 2022 11:19:28 -0600
Subject: [PATCH] Add bash starter to accommodate macOS 12.3 dropping python by
 default

---
 BuildmacOSInstallApp.command | 284 +++++++++++++++++++++++++++++++++++
 gibMacOS.command             | 284 +++++++++++++++++++++++++++++++++++
 2 files changed, 568 insertions(+)
 create mode 100755 BuildmacOSInstallApp.command
 create mode 100755 gibMacOS.command

diff --git a/BuildmacOSInstallApp.command b/BuildmacOSInstallApp.command
new file mode 100755
index 0000000..7f9ca14
--- /dev/null
+++ b/BuildmacOSInstallApp.command
@@ -0,0 +1,284 @@
+#!/usr/bin/env bash
+
+# Get the curent directory, the script name
+# and the script name with "py" substituted for the extension.
+args=( "$@" )
+dir="${0%/*}"
+script="${0##*/}"
+target="${script%.*}.py"
+NL=$'\n'
+
+# use_py3:
+#   TRUE  = Use if found, use py2 otherwise
+#   FALSE = Use py2
+#   FORCE = Use py3
+use_py3="TRUE"
+
+tempdir=""
+
+set_use_py3_if () {
+    # Auto sets the "use_py3" variable based on
+    # conditions passed
+    # $1 = 0 (equal), 1 (greater), 2 (less), 3 (gequal), 4 (lequal)
+    # $2 = OS version to compare
+    # $3 = TRUE/FALSE/FORCE in case of match
+    if [ "$1" == "" ] || [ "$2" == "" ] || [ "$3" == "" ]; then
+        # Missing vars - bail with no changes.
+        return
+    fi
+    local current_os= comp=
+    current_os="$(sw_vers -productVersion)"
+    comp="$(vercomp "$current_os" "$2")"
+    # Check gequal and lequal first
+    if [[ "$1" == "3" && ("$comp" == "1" || "$comp" == "0") ]] || [[ "$1" == "4" && ("$comp" == "2" || "$comp" == "0") ]] || [[ "$comp" == "$1" ]]; then
+        use_py3="$3"
+    fi
+}
+
+get_remote_py_version () {
+    local pyurl= py_html= py_vers= py_num="3"
+    pyurl="https://www.python.org/downloads/macos/"
+    py_html="$(curl -L $pyurl 2>&1)"
+    if [ "$use_py3" == "" ]; then
+        use_py3="TRUE"
+    fi
+    if [ "$use_py3" == "FALSE" ]; then
+        py_num="2"
+    fi
+    py_vers="$(echo "$py_html" | grep -i "Latest Python $py_num Release" | awk '{print $8}' | cut -d'<' -f1)"
+    echo "$py_vers"
+}
+
+download_py () {
+    local vers="$1" url=
+    clear
+    echo "  ###                        ###"
+    echo " #     Downloading Python     #"
+    echo "###                        ###"
+    echo
+    if [ "$vers" == "" ]; then
+        echo "Gathering latest version..."
+        vers="$(get_remote_py_version)"
+    fi
+    if [ "$vers" == "" ]; then
+        # Didn't get it still - bail
+        print_error
+    fi
+    echo "Located Version:  $vers"
+    echo
+    echo "Building download url..."
+    url="$(curl -L https://www.python.org/downloads/release/python-${vers//./}/ 2>&1 | grep -iE "python-$vers-macos.*.pkg\"" | awk -F'"' '{ print $2 }')"
+    if [ "$url" == "" ]; then
+        # Couldn't get the URL - bail
+        print_error
+    fi
+    echo " - $url"
+    echo
+    echo "Downloading..."
+    echo
+    # Create a temp dir and download to it
+    tempdir="$(mktemp -d 2>/dev/null || mktemp -d -t 'tempdir')"
+    curl "$url" -o "$tempdir/python.pkg"
+    if [ "$?" != "0" ]; then
+        echo
+        echo " - Failed to download python installer!"
+        echo
+        exit $?
+    fi
+    echo
+    echo "Running python install package..."
+    sudo installer -pkg "$tempdir/python.pkg" -target /
+    if [ "$?" != "0" ]; then
+        echo
+        echo " - Failed to install python!"
+        echo
+        exit $?
+    fi
+    echo
+    vers_folder="Python $(echo "$vers" | cut -d'.' -f1 -f2)"
+    if [ -f "/Applications/$vers_folder/Install Certificates.command" ]; then
+        # Certs script exists - let's execute that to make sure our certificates are updated
+        echo "Updating Certificates..."
+        echo
+        "/Applications/$vers_folder/Install Certificates.command"
+        echo 
+    fi
+    echo "Cleaning up..."
+    cleanup
+    echo
+    # Now we check for py again
+    echo "Rechecking py..."
+    downloaded="TRUE"
+    clear
+    main
+}
+
+cleanup () {
+    if [ -d "$tempdir" ]; then
+        rm -Rf "$tempdir"
+    fi
+}
+
+print_error() {
+    clear
+    cleanup
+    echo "  ###                      ###"
+    echo " #     Python Not Found     #"
+    echo "###                      ###"
+    echo
+    echo "Python is not installed or not found in your PATH var."
+    echo
+    echo "Please go to https://www.python.org/downloads/macos/"
+    echo "to download and install the latest version."
+    echo
+    exit 1
+}
+
+print_target_missing() {
+    clear
+    cleanup
+    echo "  ###                      ###"
+    echo " #     Target Not Found     #"
+    echo "###                      ###"
+    echo
+    echo "Could not locate $target!"
+    echo
+    exit 1
+}
+
+vercomp () {
+    # From: https://stackoverflow.com/a/4025065
+    if [[ $1 == $2 ]]
+    then
+        echo "0"
+        return
+    fi
+    local IFS=.
+    local i ver1=($1) ver2=($2)
+    # fill empty fields in ver1 with zeros
+    for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
+    do
+        ver1[i]=0
+    done
+    for ((i=0; i<${#ver1[@]}; i++))
+    do
+        if [[ -z ${ver2[i]} ]]
+        then
+            # fill empty fields in ver2 with zeros
+            ver2[i]=0
+        fi
+        if ((10#${ver1[i]} > 10#${ver2[i]}))
+        then
+            echo "1"
+            return
+        fi
+        if ((10#${ver1[i]} < 10#${ver2[i]}))
+        then
+            echo "2"
+            return
+        fi
+    done
+    echo "0"
+}
+
+get_local_python_version() {
+    # $1 = Python bin name (defaults to python3)
+    # Echoes the path to the highest version of the passed python bin if any
+    local py_name="$1" max_version= python= python_version= python_path=
+    if [ "$py_name" == "" ]; then
+        py_name="python3"
+    fi
+    py_list="$(which -a "$py_name" 2>/dev/null)"
+    # Walk that newline separated list
+    while read python; do
+        if [ "$python" == "" ]; then
+            # Got a blank line - skip
+            continue
+        fi
+        python_version="$($python -V 2>&1 | cut -d' ' -f2 | grep -E "[\d.]+")"
+        if [ "$python_version" == "" ]; then
+            # Didn't find a py version - skip
+            continue
+        fi
+        # Got the py version - compare to our max
+        if [ "$max_version" == "" ] || [ "$(vercomp "$python_version" "$max_version")" == "1" ]; then
+            # Max not set, or less than the current - update it
+            max_version="$python_version"
+            python_path="$python"
+        fi
+    done <<< "$py_list"
+    echo "$python_path"
+}
+
+prompt_and_download() {
+    if [ "$downloaded" != "FALSE" ]; then
+        # We already tried to download - just bail
+        print_error
+    fi
+    clear
+    echo "  ###                      ###"
+    echo " #     Python Not Found     #"
+    echo "###                      ###"
+    echo
+    target_py="Python 3"
+    printed_py="Python 2 or 3"
+    if [ "$use_py3" == "FORCE" ]; then
+        printed_py="Python 3"
+    elif [ "$use_py3" == "FALSE" ]; then
+        target_py="Python 2"
+        printed_py="Python 2"
+    fi
+    echo "Could not locate $printed_py!"
+    echo
+    echo "This script requires $printed_py to run."
+    echo
+    while true; do
+        read -p "Would you like to install the latest $target_py now? (y/n):  " yn
+        case $yn in
+            [Yy]* ) download_py;break;;
+            [Nn]* ) print_error;;
+        esac
+    done
+}
+
+main() {
+    python=
+    version=
+    # Verify our target exists
+    if [ ! -f "$dir/$target" ]; then
+        # Doesn't exist
+        print_target_missing
+    fi
+    if [ "$use_py3" == "" ]; then
+        use_py3="TRUE"
+    fi
+    if [ "$use_py3" != "FALSE" ]; then
+        # Check for py3 first
+        python="$(get_local_python_version python3)"
+        version="$($python -V 2>&1 | cut -d' ' -f2 | grep -E "[\d.]+")"
+    fi
+    if [ "$use_py3" != "FORCE" ] && [ "$python" == "" ]; then
+        # We aren't using py3 explicitly, and we don't already have a path
+        python="$(get_local_python_version python2)"
+        if [ "$python" == "" ]; then
+            # Try just looking for "python"
+            python="$(get_local_python_version python)"
+        fi
+        version="$($python -V 2>&1 | cut -d' ' -f2 | grep -E "[\d.]+")"
+    fi
+    if [ "$python" == "" ]; then
+        # Didn't ever find it - prompt
+        prompt_and_download
+        return 1
+    fi
+    # Found it - start our script and pass all args
+    "$python" "$dir/$target" "${args[@]}"
+}
+
+# Check to see if we need to force based on
+# macOS version. 10.15 has a dummy python3 version
+# that can trip up some py3 detection in other scripts.
+# set_use_py3_if "3" "10.15" "FORCE"
+downloaded="FALSE"
+trap cleanup EXIT
+main
diff --git a/gibMacOS.command b/gibMacOS.command
new file mode 100755
index 0000000..7f9ca14
--- /dev/null
+++ b/gibMacOS.command
@@ -0,0 +1,284 @@
+#!/usr/bin/env bash
+
+# Get the curent directory, the script name
+# and the script name with "py" substituted for the extension.
+args=( "$@" )
+dir="${0%/*}"
+script="${0##*/}"
+target="${script%.*}.py"
+NL=$'\n'
+
+# use_py3:
+#   TRUE  = Use if found, use py2 otherwise
+#   FALSE = Use py2
+#   FORCE = Use py3
+use_py3="TRUE"
+
+tempdir=""
+
+set_use_py3_if () {
+    # Auto sets the "use_py3" variable based on
+    # conditions passed
+    # $1 = 0 (equal), 1 (greater), 2 (less), 3 (gequal), 4 (lequal)
+    # $2 = OS version to compare
+    # $3 = TRUE/FALSE/FORCE in case of match
+    if [ "$1" == "" ] || [ "$2" == "" ] || [ "$3" == "" ]; then
+        # Missing vars - bail with no changes.
+        return
+    fi
+    local current_os= comp=
+    current_os="$(sw_vers -productVersion)"
+    comp="$(vercomp "$current_os" "$2")"
+    # Check gequal and lequal first
+    if [[ "$1" == "3" && ("$comp" == "1" || "$comp" == "0") ]] || [[ "$1" == "4" && ("$comp" == "2" || "$comp" == "0") ]] || [[ "$comp" == "$1" ]]; then
+        use_py3="$3"
+    fi
+}
+
+get_remote_py_version () {
+    local pyurl= py_html= py_vers= py_num="3"
+    pyurl="https://www.python.org/downloads/macos/"
+    py_html="$(curl -L $pyurl 2>&1)"
+    if [ "$use_py3" == "" ]; then
+        use_py3="TRUE"
+    fi
+    if [ "$use_py3" == "FALSE" ]; then
+        py_num="2"
+    fi
+    py_vers="$(echo "$py_html" | grep -i "Latest Python $py_num Release" | awk '{print $8}' | cut -d'<' -f1)"
+    echo "$py_vers"
+}
+
+download_py () {
+    local vers="$1" url=
+    clear
+    echo "  ###                        ###"
+    echo " #     Downloading Python     #"
+    echo "###                        ###"
+    echo
+    if [ "$vers" == "" ]; then
+        echo "Gathering latest version..."
+        vers="$(get_remote_py_version)"
+    fi
+    if [ "$vers" == "" ]; then
+        # Didn't get it still - bail
+        print_error
+    fi
+    echo "Located Version:  $vers"
+    echo
+    echo "Building download url..."
+    url="$(curl -L https://www.python.org/downloads/release/python-${vers//./}/ 2>&1 | grep -iE "python-$vers-macos.*.pkg\"" | awk -F'"' '{ print $2 }')"
+    if [ "$url" == "" ]; then
+        # Couldn't get the URL - bail
+        print_error
+    fi
+    echo " - $url"
+    echo
+    echo "Downloading..."
+    echo
+    # Create a temp dir and download to it
+    tempdir="$(mktemp -d 2>/dev/null || mktemp -d -t 'tempdir')"
+    curl "$url" -o "$tempdir/python.pkg"
+    if [ "$?" != "0" ]; then
+        echo
+        echo " - Failed to download python installer!"
+        echo
+        exit $?
+    fi
+    echo
+    echo "Running python install package..."
+    sudo installer -pkg "$tempdir/python.pkg" -target /
+    if [ "$?" != "0" ]; then
+        echo
+        echo " - Failed to install python!"
+        echo
+        exit $?
+    fi
+    echo
+    vers_folder="Python $(echo "$vers" | cut -d'.' -f1 -f2)"
+    if [ -f "/Applications/$vers_folder/Install Certificates.command" ]; then
+        # Certs script exists - let's execute that to make sure our certificates are updated
+        echo "Updating Certificates..."
+        echo
+        "/Applications/$vers_folder/Install Certificates.command"
+        echo 
+    fi
+    echo "Cleaning up..."
+    cleanup
+    echo
+    # Now we check for py again
+    echo "Rechecking py..."
+    downloaded="TRUE"
+    clear
+    main
+}
+
+cleanup () {
+    if [ -d "$tempdir" ]; then
+        rm -Rf "$tempdir"
+    fi
+}
+
+print_error() {
+    clear
+    cleanup
+    echo "  ###                      ###"
+    echo " #     Python Not Found     #"
+    echo "###                      ###"
+    echo
+    echo "Python is not installed or not found in your PATH var."
+    echo
+    echo "Please go to https://www.python.org/downloads/macos/"
+    echo "to download and install the latest version."
+    echo
+    exit 1
+}
+
+print_target_missing() {
+    clear
+    cleanup
+    echo "  ###                      ###"
+    echo " #     Target Not Found     #"
+    echo "###                      ###"
+    echo
+    echo "Could not locate $target!"
+    echo
+    exit 1
+}
+
+vercomp () {
+    # From: https://stackoverflow.com/a/4025065
+    if [[ $1 == $2 ]]
+    then
+        echo "0"
+        return
+    fi
+    local IFS=.
+    local i ver1=($1) ver2=($2)
+    # fill empty fields in ver1 with zeros
+    for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
+    do
+        ver1[i]=0
+    done
+    for ((i=0; i<${#ver1[@]}; i++))
+    do
+        if [[ -z ${ver2[i]} ]]
+        then
+            # fill empty fields in ver2 with zeros
+            ver2[i]=0
+        fi
+        if ((10#${ver1[i]} > 10#${ver2[i]}))
+        then
+            echo "1"
+            return
+        fi
+        if ((10#${ver1[i]} < 10#${ver2[i]}))
+        then
+            echo "2"
+            return
+        fi
+    done
+    echo "0"
+}
+
+get_local_python_version() {
+    # $1 = Python bin name (defaults to python3)
+    # Echoes the path to the highest version of the passed python bin if any
+    local py_name="$1" max_version= python= python_version= python_path=
+    if [ "$py_name" == "" ]; then
+        py_name="python3"
+    fi
+    py_list="$(which -a "$py_name" 2>/dev/null)"
+    # Walk that newline separated list
+    while read python; do
+        if [ "$python" == "" ]; then
+            # Got a blank line - skip
+            continue
+        fi
+        python_version="$($python -V 2>&1 | cut -d' ' -f2 | grep -E "[\d.]+")"
+        if [ "$python_version" == "" ]; then
+            # Didn't find a py version - skip
+            continue
+        fi
+        # Got the py version - compare to our max
+        if [ "$max_version" == "" ] || [ "$(vercomp "$python_version" "$max_version")" == "1" ]; then
+            # Max not set, or less than the current - update it
+            max_version="$python_version"
+            python_path="$python"
+        fi
+    done <<< "$py_list"
+    echo "$python_path"
+}
+
+prompt_and_download() {
+    if [ "$downloaded" != "FALSE" ]; then
+        # We already tried to download - just bail
+        print_error
+    fi
+    clear
+    echo "  ###                      ###"
+    echo " #     Python Not Found     #"
+    echo "###                      ###"
+    echo
+    target_py="Python 3"
+    printed_py="Python 2 or 3"
+    if [ "$use_py3" == "FORCE" ]; then
+        printed_py="Python 3"
+    elif [ "$use_py3" == "FALSE" ]; then
+        target_py="Python 2"
+        printed_py="Python 2"
+    fi
+    echo "Could not locate $printed_py!"
+    echo
+    echo "This script requires $printed_py to run."
+    echo
+    while true; do
+        read -p "Would you like to install the latest $target_py now? (y/n):  " yn
+        case $yn in
+            [Yy]* ) download_py;break;;
+            [Nn]* ) print_error;;
+        esac
+    done
+}
+
+main() {
+    python=
+    version=
+    # Verify our target exists
+    if [ ! -f "$dir/$target" ]; then
+        # Doesn't exist
+        print_target_missing
+    fi
+    if [ "$use_py3" == "" ]; then
+        use_py3="TRUE"
+    fi
+    if [ "$use_py3" != "FALSE" ]; then
+        # Check for py3 first
+        python="$(get_local_python_version python3)"
+        version="$($python -V 2>&1 | cut -d' ' -f2 | grep -E "[\d.]+")"
+    fi
+    if [ "$use_py3" != "FORCE" ] && [ "$python" == "" ]; then
+        # We aren't using py3 explicitly, and we don't already have a path
+        python="$(get_local_python_version python2)"
+        if [ "$python" == "" ]; then
+            # Try just looking for "python"
+            python="$(get_local_python_version python)"
+        fi
+        version="$($python -V 2>&1 | cut -d' ' -f2 | grep -E "[\d.]+")"
+    fi
+    if [ "$python" == "" ]; then
+        # Didn't ever find it - prompt
+        prompt_and_download
+        return 1
+    fi
+    # Found it - start our script and pass all args
+    "$python" "$dir/$target" "${args[@]}"
+}
+
+# Check to see if we need to force based on
+# macOS version. 10.15 has a dummy python3 version
+# that can trip up some py3 detection in other scripts.
+# set_use_py3_if "3" "10.15" "FORCE"
+downloaded="FALSE"
+trap cleanup EXIT
+main