Added the build_mas_archive.sh script (#479)

Scripts/README.md

@@ -8,6 +8,9 @@ Builds tests and the main application without running so that CodeQL can interce
 ## `build_help.sh`
 Converts the markdown documention into a pdf placed in `build_help.tmp/Help.pdf`
 
+## `build_mas_archive.sh`
+Builds and archive Nimble Commander for submission to MacAppStore.
+
 ## `build_nightly.sh`
 Builds Nimble Commander with the `NimbleCommander-NonMAS` scheme / `Release` configuration, signs it, packages the runnable build into a `.dmg` image and notarizes the final image.  
 `xcodebuild`, `xcpretty` and `create-dmg` must be available in the environment in order for this script to run.  

Scripts/build_mas_archive.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+set -e
+set -o pipefail
+
+if ! [ -x "$(command -v xcpretty)" ] ; then
+    echo 'xcpretty is not found, aborting. (https://github.com/xcpretty/xcpretty)'
+    exit -1
+fi
+
+# https://github.com/xcpretty/xcpretty/issues/48
+export LC_CTYPE=en_US.UTF-8
+
+# Set up the paths to the sources and artifacts
+SCRIPTS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+ROOT_DIR=$(cd "$SCRIPTS_DIR/.." && pwd)
+XCODEPROJ="${ROOT_DIR}/Source/NimbleCommander/NimbleCommander.xcodeproj"
+BUILD_DIR="${SCRIPTS_DIR}/build_mas_archive.tmp"
+BUILT_PATH="${BUILD_DIR}/built"
+mkdir -p "${BUILD_DIR}"
+
+# Build Help.pdf and copy it into the NC sources
+${SCRIPTS_DIR}/build_help.sh
+cp -f "${SCRIPTS_DIR}/build_help.tmp/Help.pdf" "${ROOT_DIR}/Source/NimbleCommander/NimbleCommander/Resources/Help.pdf"
+
+# Gather common flags in the XC variable
+XC="xcodebuild \
+ -project ${XCODEPROJ} \
+ -scheme NimbleCommander-MAS \
+ -configuration Release \
+ OTHER_CFLAGS=\"-fdebug-prefix-map=${ROOT_DIR}=.\""
+
+# Build and archive the project
+$XC archive | xcpretty
+
+## Done!