Bash version of updateAssemblyInfo script (#2211)

* Bash version of updateAssemblyInfo script

* Remove dependency on xmllint tool which might not exist in environment

* Replace grep with sed

This allows it work in BusyBox where grep doesn't have support for Perl
regex syntax

Author: mthalman

updateAssemblyInfo.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+set -euo pipefail
+
+scriptroot=$(cd -P "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)
+
+packageType=${1:-preview}
+
+date=$(date '+%y%m%d%H%M%S')
+# Formats the date by replacing the 4-digit year with a 2-digit value and then subtract 19
+dateTimeStamp=$(echo $((10#${date:0:2}-19)))${date:2}
+
+commitSha=$(git rev-parse HEAD)
+
+assemblyVersion=$(sed -n 's/.*<assemblyVersion>\([^<]*\)<.*/\1/p' $PWD/buildConfiguration.xml)
+assemblyFileVersion="$assemblyVersion.${dateTimeStamp::-6}" # Trim minutes/seconds
+assemblyInformationalVersion="$assemblyVersion.$dateTimeStamp.$commitSha"
+
+echo "assemblyVersion: $assemblyVersion"
+echo "assemblyFileVersion: $assemblyFileVersion"
+echo "assemblyInformationalVersion: $assemblyInformationalVersion"
+
+nugetSuffix=$(sed -n 's/.*<nugetSuffix>\([^<]*\)<.*/\1/p' $PWD/buildConfiguration.xml)
+if [ "$packageType" = "release" ]
+then
+    versionSuffix=""
+else
+    versionSuffix="$nugetSuffix-$dateTimeStamp"
+fi
+
+echo "nugetSuffix: $nugetSuffix"
+
+versionPath="$PWD/build/version.props"
+version=$(cat $versionPath)
+version=$(echo "$version" | sed "s|<VersionPrefix>.*</VersionPrefix>|<VersionPrefix>$assemblyVersion</VersionPrefix>|")
+version=$(echo "$version" | sed "s|<VersionSuffix>.*</VersionSuffix>|<VersionSuffix>$versionSuffix</VersionSuffix>|")
+echo "$version" > $versionPath
+
+projects=$(sed -n '/<src>/,/<\/src>/p' $PWD/buildConfiguration.xml | sed -n 's/.*name="\([^"]*\)".*/\1/p')
+
+for project in $projects; do
+    name="$project"
+    assemblyInfoPath="$PWD/src/$name/Properties/AssemblyInfo.cs"
+    echo "assemblyInfoPath: $assemblyInfoPath"
+
+    assemblyInfo=$(cat $assemblyInfoPath)
+    assemblyInfo=$(echo "$assemblyInfo" | sed "s|AssemblyVersion.*|AssemblyVersion(\"$assemblyVersion\")]|")
+    assemblyInfo=$(echo "$assemblyInfo" | sed "s|AssemblyFileVersion.*|AssemblyFileVersion(\"$assemblyFileVersion\")]|")
+    assemblyInfo=$(echo "$assemblyInfo" | sed "s|AssemblyInformationalVersion.*|AssemblyInformationalVersion(\"$assemblyInformationalVersion\")]|")
+    echo "$assemblyInfo" > $assemblyInfoPath
+done